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Experience Level
Senior
Qualifications
Key Responsibilities:Design and implement scalable backend services using our tech stack, including Rails 7, Go, Sidekiq, REST, AWS, and Docker. Develop high-volume APIs utilized by our frontends and external traders. Ensure long-term code quality and influence architecture decisions for production systems. Oversee custody solutions for digital assets, maintaining the highest security and compliance standards. Collaborate effectively with engineers, product managers, and designers throughout the product development lifecycle. Enhance engineering standards, tooling, and processes. What We Seek:Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline. Deep understanding of best practices for building and working with APIs.5+ years of experience in developing scalable distributed systems, especially with Ruby; Go experience is a plus. Ability to navigate ambiguity and define solutions collaboratively. Proactive, organized, and capable of managing your own workload effectively. Familiarity with cryptography, security principles in blockchain, and compliance frameworks for cryptocurrency.
About the job
Join our dynamic Payments & Wallet team (also affectionately known as PAW ) at Coinhako, where we spearhead innovation in asset management, compliance, and On-chain Services & Integrations (Superwallet).
In this pivotal role as a Senior Engineer, you will architect, develop, and maintain high-performance services that underpin our payments and wallet infrastructure. Collaborate with cross-functional teams to ensure seamless system integrations, optimize transaction workflows, and enhance platform reliability and scalability.
About Coinhako
Coinhako is a leading cryptocurrency platform dedicated to simplifying digital asset management. Our innovative approach empowers users with secure and compliant solutions in the evolving landscape of finance.
Join our dynamic Payments & Wallet team (also affectionately known as PAW ) at Coinhako, where we spearhead innovation in asset management, compliance, and On-chain Services & Integrations (Superwallet).In this pivotal role as a Senior Engineer, you will architect, develop, and maintain high-performance services that underpin our payments and wallet infrastructure. Collaborate with cross-functional teams to ensure seamless system integrations, optimize transaction workflows, and enhance platform reliability and scalability.
Design, develop, and enhance core modules of custodial wallets, focusing on account management, deposits, withdrawals, sweeping, signing, and transaction broadcasting.Seamlessly integrate diverse blockchain protocols (BTC, ETH, Solana, Tron, Cosmos, etc.) utilizing RPC, SDKs, or custom solutions to maintain stable and high-availability operations.Contribute to the architectural and modular design of the wallet system, driving improvements in scalability, reliability, and performance.Establish automated monitoring, alerting, and logging systems to ensure comprehensive traceability of asset flows.Create high-quality, testable code, actively engaging in code reviews and CI/CD processes.Work collaboratively across teams, including frontend, DevOps, security, and risk management, to optimize overall system performance and security.
Join OKX as a Staff/Senior Staff Engineer focused on advancing our Web3 Wallet technology. In this role, you will be at the forefront of building robust backend infrastructure for our Account Abstraction (AA) Wallet and developing essential services for products like OKX Pay and CeDeFi Wallets. Collaborate with a talented team to innovate and enhance user experiences in the rapidly growing crypto ecosystem.
Join Binance, the world's foremost blockchain ecosystem powering the largest cryptocurrency exchange by trading volume and user base. With over 300 million users across more than 100 countries, we are known for our exceptional security, transparency in handling user funds, rapid trading engine performance, deep liquidity, and an extensive range of digital asset products. Our suite of offerings spans trading, finance, education, research, payments, institutional services, Web3 innovations, and beyond. At Binance, we harness the transformative potential of digital assets and blockchain technology to cultivate a holistic financial ecosystem that champions monetary freedom and enhances financial accessibility globally.As a Senior Frontend Developer specializing in wallet solutions, you will play a crucial role in designing and developing high-performance web applications that cater to a diverse clientele, including retail users, high-net-worth individuals, institutions, and enterprises. We are looking for a proactive self-starter who thrives on taking features from conception to completion, ensuring an engaging user experience and seamless integration of our services.
At OKX, we are on a mission to redefine the future of cryptocurrency by making it accessible to everyone. We are looking for a talented Senior Product Designer to lead the design of our Web3 Wallet products. In this role, you will be responsible for crafting exceptional user experiences, owning transaction workflows, and optimizing data displays. Join our innovative team and contribute to shaping the future of decentralized finance!
About AirwallexAirwallex is a pioneering unified payments and financial platform designed for global businesses. Our innovative combination of proprietary infrastructure and software allows us to empower over 200,000 businesses worldwide, including notable names like Brex, Rippling, Navan, Qantas, and SHEIN, by providing fully integrated solutions for managing business accounts, payments, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, we are proud to have grown to a team of over 2,000 talented and innovative tech professionals across 26 offices worldwide. With a valuation of US$8 billion, backed by world-class investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of developing the future of global payments and financial solutions. If you're ready to embark on the most ambitious journey of your career, we invite you to join us.
About AirwallexAirwallex is revolutionizing the way global businesses manage their payments and finances. As the sole unified payments and financial platform tailored for international operations, we leverage our proprietary infrastructure and software to offer integrated solutions to over 200,000 businesses globally, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN. Our suite of services encompasses business accounts, payments, spend management, treasury solutions, and embedded finance on a global scale.Founded in Melbourne and now operating with a talented team of more than 2,000 across 26 offices, Airwallex is valued at US$8 billion. We are backed by top-tier investors, including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, positioning us at the forefront of the global payments and financial technology landscape. If you're eager to embark on an ambitious journey in your career, we invite you to join us.Attributes We ValueWe seek builders who exhibit founder-like enthusiasm and are committed to making a significant impact. You should possess robust expertise and insightful thinking, driven by our mission and operating principles. You move swiftly with sound judgment, explore with curiosity, and make principled decisions, balancing speed with thoroughness.Collaboration and humility are key; you can transform innovative concepts into tangible products and take ownership from start to finish. Utilizing AI to enhance efficiency and solve challenges is essential. Here, you'll confront complex, high-profile challenges alongside exceptional teammates while advancing your career as we shape the future of global banking. If this resonates with you, let's create what's next.
Join Our Innovative Team at AirwallexAt Airwallex, we are revolutionizing the global payments landscape with our all-in-one financial platform tailored for businesses worldwide. Our cutting-edge technology empowers over 200,000 businesses, including industry giants like Brex, Rippling, and Qantas, to seamlessly manage their financial operations.Founded in Melbourne, our dynamic team of over 2,000 talented professionals spans 26 global offices, all united by a shared vision to shape the future of finance. Backed by esteemed investors such as T. Rowe Price and Visa, Airwallex is valued at $8 billion and is at the forefront of innovation in the fintech space.
As an Engineering Manager II specializing in Payments at Grab, you will lead a dynamic team of engineers to drive the development of cutting-edge payment solutions. You will play a pivotal role in shaping the future of digital payments in Southeast Asia, ensuring our services are efficient, secure, and scalable.In this role, you will collaborate closely with product managers, designers, and other stakeholders to deliver innovative solutions that meet the diverse needs of our users. You will mentor junior engineers, fostering a culture of continuous learning and improvement within the team.
About AirwallexAirwallex is an innovative global payments and financial platform that unifies payment solutions for businesses around the world. We leverage a proprietary blend of technology and infrastructure to empower over 200,000 companies, including notable names such as Brex, Rippling, Navan, Qantas, and SHEIN, by providing comprehensive solutions for business accounts, payment processing, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, Airwallex prides itself on a diverse team of more than 2,000 talented individuals across 26 offices worldwide. As a company valued at $8 billion and supported by leading investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, we are at the forefront of developing the future of global payments and finance. If you're eager to take on challenging work that could define your career, we invite you to join our team.
Join Grab as a Principal Engineer for Payments, where you will be at the forefront of transforming digital payment solutions in Southeast Asia. You will lead a team of talented engineers to design and implement scalable payment systems that enhance user experience and drive business growth.Your expertise will contribute to innovative solutions that meet the diverse needs of our customers, ensuring seamless transactions across various platforms. This is an exciting opportunity to shape the future of payments in a rapidly evolving market.
Join Our Team at AirwallexAirwallex is revolutionizing the way global businesses manage their payments and finances. Our cutting-edge, unified payments and financial platform empowers over 200,000 businesses worldwide—ranging from Brex to SHEIN—with seamless solutions for everything from business accounts to embedded finance on a global scale.Founded in Melbourne and now boasting over 2,000 talented professionals across 26 global offices, we are valued at US$8 billion and supported by top-tier investors including T. Rowe Price, Visa, and Mastercard. At Airwallex, we are committed to building the future of global banking, and we invite you to make your mark with us.
As a Senior Backend Developer specializing in Payments at fuku, you will play a vital role in designing, developing, and scaling high-performance payment systems that facilitate millions of transactions worldwide. Our payment infrastructure supports a diverse range of solutions, including international card networks, real-time QR payments, and high-volume switching platforms, ensuring optimal performance in both retail POS and e-commerce settings.In this impactful role, you will:- Architect and implement robust backend systems to integrate with major payment networks such as Visa, Mastercard, Amex, and UPI.- Develop secure, scalable solutions across the entire payment lifecycle, including authorization, clearing, settlement, and merchant onboarding.- Lead modernization efforts to transition legacy payment platforms to Linux RHEL or cloud environments.- Optimize switching systems to handle ultra-high transaction volumes, minimizing latency, ensuring resilience, and maintaining consistent uptime.- Collaborate with cross-functional teams, including product management, quality assurance, and business units, to deliver reliable, production-ready payment capabilities on a global scale.What you bring to the role:- Over 8 years of backend development experience, particularly within payment systems and transaction processing environments.- Strong expertise in C++, Linux, and scripting languages (e.g., Korn Shell) in high-availability production settings.- Proven experience with Base24, international card scheme integrations, and contemporary QR payment systems.- In-depth knowledge of databases (PostgreSQL/MySQL), messaging frameworks (IBM MQ), and performance tuning in distributed systems.- Familiarity with POS/EDC, ATM systems, and the broader payment infrastructure for both physical and digital transactions.This position offers an exceptional opportunity to influence real-world transactions, enhancing customer experiences and driving business growth. Join us at fuku, where you will face complex challenges in performance, security, and the evolution of payment solutions in a high-scale environment.
About YouTrip YouTrip is a leading multi-currency payment platform in Asia Pacific. Since launching in 2018, the company has introduced Asia's first multi-currency digital wallet and now supports millions of users, processing over US$15 billion in payments each year. With offerings for both consumers (YouTrip) and businesses (YouBiz), the company delivers accessible and cost-effective financial solutions. YouTrip has raised over US$110 million, including a recent Series B round led by Lightspeed Venture Partners. The team is committed to advancing digital financial services across the region. Recognition includes being named a Global Innovator 2025 by the World Economic Forum and a spot on CNBC’s World’s Top Fintech Companies for 2024 and 2025. Diversity, inclusion, and an entrepreneurial mindset are core to the culture. Role Overview The Senior Engineering Manager will play a key role in leading the development of scalable applications at YouTrip’s Singapore office. This position manages several engineering squads, guiding them to deliver products that range from backend services to front-end applications, serving millions of users. This leader will collaborate closely with cross-functional teams, ensuring projects stay aligned and teams work effectively together. The role also shapes engineering strategy, influences culture, and steers execution as the company grows its fintech offerings throughout Asia Pacific. What You Will Bring Significant experience as an Engineering Manager or Senior Engineering Manager Strong technical foundation and leadership skills Proven success working across diverse teams and domains Background in building and scaling comprehensive products for a large user base YouTrip welcomes candidates who are eager to help shape the future of digital financial services in Asia Pacific.
Who We AreAbout StripeStripe is at the forefront of revolutionizing financial infrastructure for businesses worldwide. Our innovative platform empowers millions of organizations—from industry giants to dynamic startups—to accept payments seamlessly, drive revenue growth, and unlock new business avenues. Our mission? To elevate the GDP of the internet, an ambitious goal that presents you with an extraordinary opportunity to play a pivotal role in shaping the global economy while making a significant impact in your career.About the TeamThe Payments team is the cornerstone of Stripe’s offerings, processing trillions of dollars in transactions each year. As a member of this team, you will have the chance to broaden the capabilities of Stripe’s global payments network, design and implement cutting-edge payment solutions, and ensure top-tier reliability and performance.As a Software Engineer, you will be instrumental in steering pivotal decisions for the company. Collaborate with fellow engineers to develop engaging features that resonate across various system components, and partner with our business, sales, and operations teams to address and resolve user challenges effectively.
Join Our Team at AirwallexAt Airwallex, we are transforming the global payments landscape with our cutting-edge financial platform designed for businesses worldwide. We support over 200,000 companies, including industry leaders such as Brex, Rippling, Navan, Qantas, and SHEIN, by providing a comprehensive suite of integrated solutions for managing everything from business accounts to payments and embedded finance.Founded in Melbourne, our dynamic team of over 2,000 innovative minds operates across 26 offices globally. Our valuation has soared to US$8 billion, backed by prestigious investors such as T. Rowe Price, Visa, Mastercard, and Sequoia. If you’re eager to embark on the most ambitious work of your career, we invite you to join us on this exciting journey.
Join Our Exciting JourneyFounded in 2014, ShopBack is not just a Cashback platform; it represents a vision to redefine the connection between brands and consumers. Our founders, Henry and Joel, drew upon their experience as advertisers to identify the shortcomings of conventional marketing strategies. This sparked a revolutionary idea that led to the development of a prototype within a weekend. Today, we proudly serve over 50 million users across 13 markets, collaborate with more than 20,000 merchants, and facilitate over half a million transactions daily. We are on a mission to create The World’s Most Rewarding Way to Shop and are eager to welcome passionate and ambitious individuals to our team.Position OverviewWe are actively seeking a Senior Business Analyst specializing in Payments to become a key member of our Regional Payments team. In this pivotal role, you will collaborate closely with the Strategy & Planning team, delivering strategic insights that enhance our Payments Products and Services. The ideal candidate will possess a solid combination of technical expertise and business acumen, enabling them to analyze data effectively and establish actionable insights through partnerships with various stakeholders.
Key Responsibilities:As a Software Engineer, you will be instrumental in designing and developing innovative devices for an integrated e-payment Fare Collection System in collaboration with our esteemed client. You will engage in the full software development lifecycle, including requirement analysis, design, development, and rigorous testing. Key responsibilities encompass:Collecting and analyzing user requirements.Crafting and implementing software applications for embedded systems.Optimizing communication protocols (such as TCP/IP, HTTPS, FTPS/SFTP, MQTT-S) to establish secure and reliable connections between embedded devices and cloud/on-premises platforms.Conducting comprehensive testing, debugging, and troubleshooting of embedded devices to ensure optimal functionality, performance, and reliability.Creating and delivering essential documentation throughout the Software Development Lifecycle (SDLC), including Business Rules, Software Requirement Specifications, Software Architecture Documents, and more.Providing ongoing application support and addressing user inquiries related to requirements and production issues.
Role Overview Grab Holdings Inc. is looking for a Lead Backend Software Engineer with a focus on payments to join the team in Singapore. This role centers on building secure, efficient, and scalable payment systems that support millions of users across Southeast Asia. What You Will Do Design and implement backend services for payment solutions that improve user experience and support business growth. Collaborate with engineers, product managers, and other teams to deliver reliable and high-performance payment infrastructure. Mentor junior engineers and help guide their technical development. Promote backend engineering best practices across the team. Contribute to architectural decisions that shape the future of Grab’s payments platform. What We’re Looking For Strong experience with backend technologies and payment systems. Ability to lead technical discussions and mentor less experienced engineers. Comfortable working across teams to deliver scalable, reliable solutions. Solid understanding of designing secure and efficient backend services.
As a Test Engineer, you will play a crucial role in the comprehensive testing lifecycle of our integrated e-payment system. This includes planning, designing, executing, and automating tests, as well as tracking defects and analyzing performance metrics.Key Responsibilities: Lead the end-to-end testing processes for our integrated e-payment solutions. Translate business and system requirements into actionable and effective test strategies. Establish and maintain robust test environments. Develop and implement both manual and automated test cases. Leverage scripting and programming languages to enhance test automation and performance tuning. Ensure comprehensive test coverage through meticulous traceability and gap analysis. Document and manage defects, ensuring timely resolutions. Collaborate with internal and external stakeholders to review test outcomes. Conduct root cause analysis for issues identified in production and UAT. Generate clear technical documentation and user guides for testing tools and solutions.
Join our dynamic Payments & Wallet team (also affectionately known as PAW ) at Coinhako, where we spearhead innovation in asset management, compliance, and On-chain Services & Integrations (Superwallet).In this pivotal role as a Senior Engineer, you will architect, develop, and maintain high-performance services that underpin our payments and wallet infrastructure. Collaborate with cross-functional teams to ensure seamless system integrations, optimize transaction workflows, and enhance platform reliability and scalability.
Design, develop, and enhance core modules of custodial wallets, focusing on account management, deposits, withdrawals, sweeping, signing, and transaction broadcasting.Seamlessly integrate diverse blockchain protocols (BTC, ETH, Solana, Tron, Cosmos, etc.) utilizing RPC, SDKs, or custom solutions to maintain stable and high-availability operations.Contribute to the architectural and modular design of the wallet system, driving improvements in scalability, reliability, and performance.Establish automated monitoring, alerting, and logging systems to ensure comprehensive traceability of asset flows.Create high-quality, testable code, actively engaging in code reviews and CI/CD processes.Work collaboratively across teams, including frontend, DevOps, security, and risk management, to optimize overall system performance and security.
Join OKX as a Staff/Senior Staff Engineer focused on advancing our Web3 Wallet technology. In this role, you will be at the forefront of building robust backend infrastructure for our Account Abstraction (AA) Wallet and developing essential services for products like OKX Pay and CeDeFi Wallets. Collaborate with a talented team to innovate and enhance user experiences in the rapidly growing crypto ecosystem.
Join Binance, the world's foremost blockchain ecosystem powering the largest cryptocurrency exchange by trading volume and user base. With over 300 million users across more than 100 countries, we are known for our exceptional security, transparency in handling user funds, rapid trading engine performance, deep liquidity, and an extensive range of digital asset products. Our suite of offerings spans trading, finance, education, research, payments, institutional services, Web3 innovations, and beyond. At Binance, we harness the transformative potential of digital assets and blockchain technology to cultivate a holistic financial ecosystem that champions monetary freedom and enhances financial accessibility globally.As a Senior Frontend Developer specializing in wallet solutions, you will play a crucial role in designing and developing high-performance web applications that cater to a diverse clientele, including retail users, high-net-worth individuals, institutions, and enterprises. We are looking for a proactive self-starter who thrives on taking features from conception to completion, ensuring an engaging user experience and seamless integration of our services.
At OKX, we are on a mission to redefine the future of cryptocurrency by making it accessible to everyone. We are looking for a talented Senior Product Designer to lead the design of our Web3 Wallet products. In this role, you will be responsible for crafting exceptional user experiences, owning transaction workflows, and optimizing data displays. Join our innovative team and contribute to shaping the future of decentralized finance!
About AirwallexAirwallex is a pioneering unified payments and financial platform designed for global businesses. Our innovative combination of proprietary infrastructure and software allows us to empower over 200,000 businesses worldwide, including notable names like Brex, Rippling, Navan, Qantas, and SHEIN, by providing fully integrated solutions for managing business accounts, payments, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, we are proud to have grown to a team of over 2,000 talented and innovative tech professionals across 26 offices worldwide. With a valuation of US$8 billion, backed by world-class investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of developing the future of global payments and financial solutions. If you're ready to embark on the most ambitious journey of your career, we invite you to join us.
About AirwallexAirwallex is revolutionizing the way global businesses manage their payments and finances. As the sole unified payments and financial platform tailored for international operations, we leverage our proprietary infrastructure and software to offer integrated solutions to over 200,000 businesses globally, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN. Our suite of services encompasses business accounts, payments, spend management, treasury solutions, and embedded finance on a global scale.Founded in Melbourne and now operating with a talented team of more than 2,000 across 26 offices, Airwallex is valued at US$8 billion. We are backed by top-tier investors, including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, positioning us at the forefront of the global payments and financial technology landscape. If you're eager to embark on an ambitious journey in your career, we invite you to join us.Attributes We ValueWe seek builders who exhibit founder-like enthusiasm and are committed to making a significant impact. You should possess robust expertise and insightful thinking, driven by our mission and operating principles. You move swiftly with sound judgment, explore with curiosity, and make principled decisions, balancing speed with thoroughness.Collaboration and humility are key; you can transform innovative concepts into tangible products and take ownership from start to finish. Utilizing AI to enhance efficiency and solve challenges is essential. Here, you'll confront complex, high-profile challenges alongside exceptional teammates while advancing your career as we shape the future of global banking. If this resonates with you, let's create what's next.
Join Our Innovative Team at AirwallexAt Airwallex, we are revolutionizing the global payments landscape with our all-in-one financial platform tailored for businesses worldwide. Our cutting-edge technology empowers over 200,000 businesses, including industry giants like Brex, Rippling, and Qantas, to seamlessly manage their financial operations.Founded in Melbourne, our dynamic team of over 2,000 talented professionals spans 26 global offices, all united by a shared vision to shape the future of finance. Backed by esteemed investors such as T. Rowe Price and Visa, Airwallex is valued at $8 billion and is at the forefront of innovation in the fintech space.
As an Engineering Manager II specializing in Payments at Grab, you will lead a dynamic team of engineers to drive the development of cutting-edge payment solutions. You will play a pivotal role in shaping the future of digital payments in Southeast Asia, ensuring our services are efficient, secure, and scalable.In this role, you will collaborate closely with product managers, designers, and other stakeholders to deliver innovative solutions that meet the diverse needs of our users. You will mentor junior engineers, fostering a culture of continuous learning and improvement within the team.
About AirwallexAirwallex is an innovative global payments and financial platform that unifies payment solutions for businesses around the world. We leverage a proprietary blend of technology and infrastructure to empower over 200,000 companies, including notable names such as Brex, Rippling, Navan, Qantas, and SHEIN, by providing comprehensive solutions for business accounts, payment processing, spend management, treasury, and embedded finance on a global scale.Founded in Melbourne, Airwallex prides itself on a diverse team of more than 2,000 talented individuals across 26 offices worldwide. As a company valued at $8 billion and supported by leading investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, we are at the forefront of developing the future of global payments and finance. If you're eager to take on challenging work that could define your career, we invite you to join our team.
Join Grab as a Principal Engineer for Payments, where you will be at the forefront of transforming digital payment solutions in Southeast Asia. You will lead a team of talented engineers to design and implement scalable payment systems that enhance user experience and drive business growth.Your expertise will contribute to innovative solutions that meet the diverse needs of our customers, ensuring seamless transactions across various platforms. This is an exciting opportunity to shape the future of payments in a rapidly evolving market.
Join Our Team at AirwallexAirwallex is revolutionizing the way global businesses manage their payments and finances. Our cutting-edge, unified payments and financial platform empowers over 200,000 businesses worldwide—ranging from Brex to SHEIN—with seamless solutions for everything from business accounts to embedded finance on a global scale.Founded in Melbourne and now boasting over 2,000 talented professionals across 26 global offices, we are valued at US$8 billion and supported by top-tier investors including T. Rowe Price, Visa, and Mastercard. At Airwallex, we are committed to building the future of global banking, and we invite you to make your mark with us.
As a Senior Backend Developer specializing in Payments at fuku, you will play a vital role in designing, developing, and scaling high-performance payment systems that facilitate millions of transactions worldwide. Our payment infrastructure supports a diverse range of solutions, including international card networks, real-time QR payments, and high-volume switching platforms, ensuring optimal performance in both retail POS and e-commerce settings.In this impactful role, you will:- Architect and implement robust backend systems to integrate with major payment networks such as Visa, Mastercard, Amex, and UPI.- Develop secure, scalable solutions across the entire payment lifecycle, including authorization, clearing, settlement, and merchant onboarding.- Lead modernization efforts to transition legacy payment platforms to Linux RHEL or cloud environments.- Optimize switching systems to handle ultra-high transaction volumes, minimizing latency, ensuring resilience, and maintaining consistent uptime.- Collaborate with cross-functional teams, including product management, quality assurance, and business units, to deliver reliable, production-ready payment capabilities on a global scale.What you bring to the role:- Over 8 years of backend development experience, particularly within payment systems and transaction processing environments.- Strong expertise in C++, Linux, and scripting languages (e.g., Korn Shell) in high-availability production settings.- Proven experience with Base24, international card scheme integrations, and contemporary QR payment systems.- In-depth knowledge of databases (PostgreSQL/MySQL), messaging frameworks (IBM MQ), and performance tuning in distributed systems.- Familiarity with POS/EDC, ATM systems, and the broader payment infrastructure for both physical and digital transactions.This position offers an exceptional opportunity to influence real-world transactions, enhancing customer experiences and driving business growth. Join us at fuku, where you will face complex challenges in performance, security, and the evolution of payment solutions in a high-scale environment.
About YouTrip YouTrip is a leading multi-currency payment platform in Asia Pacific. Since launching in 2018, the company has introduced Asia's first multi-currency digital wallet and now supports millions of users, processing over US$15 billion in payments each year. With offerings for both consumers (YouTrip) and businesses (YouBiz), the company delivers accessible and cost-effective financial solutions. YouTrip has raised over US$110 million, including a recent Series B round led by Lightspeed Venture Partners. The team is committed to advancing digital financial services across the region. Recognition includes being named a Global Innovator 2025 by the World Economic Forum and a spot on CNBC’s World’s Top Fintech Companies for 2024 and 2025. Diversity, inclusion, and an entrepreneurial mindset are core to the culture. Role Overview The Senior Engineering Manager will play a key role in leading the development of scalable applications at YouTrip’s Singapore office. This position manages several engineering squads, guiding them to deliver products that range from backend services to front-end applications, serving millions of users. This leader will collaborate closely with cross-functional teams, ensuring projects stay aligned and teams work effectively together. The role also shapes engineering strategy, influences culture, and steers execution as the company grows its fintech offerings throughout Asia Pacific. What You Will Bring Significant experience as an Engineering Manager or Senior Engineering Manager Strong technical foundation and leadership skills Proven success working across diverse teams and domains Background in building and scaling comprehensive products for a large user base YouTrip welcomes candidates who are eager to help shape the future of digital financial services in Asia Pacific.
Who We AreAbout StripeStripe is at the forefront of revolutionizing financial infrastructure for businesses worldwide. Our innovative platform empowers millions of organizations—from industry giants to dynamic startups—to accept payments seamlessly, drive revenue growth, and unlock new business avenues. Our mission? To elevate the GDP of the internet, an ambitious goal that presents you with an extraordinary opportunity to play a pivotal role in shaping the global economy while making a significant impact in your career.About the TeamThe Payments team is the cornerstone of Stripe’s offerings, processing trillions of dollars in transactions each year. As a member of this team, you will have the chance to broaden the capabilities of Stripe’s global payments network, design and implement cutting-edge payment solutions, and ensure top-tier reliability and performance.As a Software Engineer, you will be instrumental in steering pivotal decisions for the company. Collaborate with fellow engineers to develop engaging features that resonate across various system components, and partner with our business, sales, and operations teams to address and resolve user challenges effectively.
Join Our Team at AirwallexAt Airwallex, we are transforming the global payments landscape with our cutting-edge financial platform designed for businesses worldwide. We support over 200,000 companies, including industry leaders such as Brex, Rippling, Navan, Qantas, and SHEIN, by providing a comprehensive suite of integrated solutions for managing everything from business accounts to payments and embedded finance.Founded in Melbourne, our dynamic team of over 2,000 innovative minds operates across 26 offices globally. Our valuation has soared to US$8 billion, backed by prestigious investors such as T. Rowe Price, Visa, Mastercard, and Sequoia. If you’re eager to embark on the most ambitious work of your career, we invite you to join us on this exciting journey.
Join Our Exciting JourneyFounded in 2014, ShopBack is not just a Cashback platform; it represents a vision to redefine the connection between brands and consumers. Our founders, Henry and Joel, drew upon their experience as advertisers to identify the shortcomings of conventional marketing strategies. This sparked a revolutionary idea that led to the development of a prototype within a weekend. Today, we proudly serve over 50 million users across 13 markets, collaborate with more than 20,000 merchants, and facilitate over half a million transactions daily. We are on a mission to create The World’s Most Rewarding Way to Shop and are eager to welcome passionate and ambitious individuals to our team.Position OverviewWe are actively seeking a Senior Business Analyst specializing in Payments to become a key member of our Regional Payments team. In this pivotal role, you will collaborate closely with the Strategy & Planning team, delivering strategic insights that enhance our Payments Products and Services. The ideal candidate will possess a solid combination of technical expertise and business acumen, enabling them to analyze data effectively and establish actionable insights through partnerships with various stakeholders.
Key Responsibilities:As a Software Engineer, you will be instrumental in designing and developing innovative devices for an integrated e-payment Fare Collection System in collaboration with our esteemed client. You will engage in the full software development lifecycle, including requirement analysis, design, development, and rigorous testing. Key responsibilities encompass:Collecting and analyzing user requirements.Crafting and implementing software applications for embedded systems.Optimizing communication protocols (such as TCP/IP, HTTPS, FTPS/SFTP, MQTT-S) to establish secure and reliable connections between embedded devices and cloud/on-premises platforms.Conducting comprehensive testing, debugging, and troubleshooting of embedded devices to ensure optimal functionality, performance, and reliability.Creating and delivering essential documentation throughout the Software Development Lifecycle (SDLC), including Business Rules, Software Requirement Specifications, Software Architecture Documents, and more.Providing ongoing application support and addressing user inquiries related to requirements and production issues.
Role Overview Grab Holdings Inc. is looking for a Lead Backend Software Engineer with a focus on payments to join the team in Singapore. This role centers on building secure, efficient, and scalable payment systems that support millions of users across Southeast Asia. What You Will Do Design and implement backend services for payment solutions that improve user experience and support business growth. Collaborate with engineers, product managers, and other teams to deliver reliable and high-performance payment infrastructure. Mentor junior engineers and help guide their technical development. Promote backend engineering best practices across the team. Contribute to architectural decisions that shape the future of Grab’s payments platform. What We’re Looking For Strong experience with backend technologies and payment systems. Ability to lead technical discussions and mentor less experienced engineers. Comfortable working across teams to deliver scalable, reliable solutions. Solid understanding of designing secure and efficient backend services.
As a Test Engineer, you will play a crucial role in the comprehensive testing lifecycle of our integrated e-payment system. This includes planning, designing, executing, and automating tests, as well as tracking defects and analyzing performance metrics.Key Responsibilities: Lead the end-to-end testing processes for our integrated e-payment solutions. Translate business and system requirements into actionable and effective test strategies. Establish and maintain robust test environments. Develop and implement both manual and automated test cases. Leverage scripting and programming languages to enhance test automation and performance tuning. Ensure comprehensive test coverage through meticulous traceability and gap analysis. Document and manage defects, ensuring timely resolutions. Collaborate with internal and external stakeholders to review test outcomes. Conduct root cause analysis for issues identified in production and UAT. Generate clear technical documentation and user guides for testing tools and solutions.
Jul 31, 2025
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