Staff Data Scientist - Algorithm (Payments Optimization)

Responsibilities:- Innovate and engineer robust solutions for payment terminal applications compatible with various Android-based devices (Ingenico, PAX, Castles), ensuring seamless integration with diverse host systems utilizing standard protocols such as ISO8583, Web APIs, and JSON, as well as merchant POS systems (Electronic Cash Register - ECR).- Transform user requirements into secure, reliable, and maintainable source code, ensuring thorough testing, documentation, and code reviews.- Engage in EMV L3 certification processes alongside international payment schemes like Visa, Mastercard, AMEX, UnionPay, JCB, and Discover. Familiarity with the PURE kernel is a plus.- Aid in the creation of testing tools and implement test automation frameworks as integral parts of the development lifecycle.- Collaborate effectively with internal teams (QA testers, POS developers, Support, and Certification team) throughout the software development lifecycle, facilitating troubleshooting and resolving issues in both pre-production and post-production settings.- Support external collaborations for application integration with NETS partners.

Join our dynamic Technology team at fuku as a Point-of-Sale (POS) Terminal Tester. We are on the lookout for a dedicated, skilled, and proactive individual who will be instrumental in planning and executing testing strategies for our payment terminals. This role not only focuses on ensuring the quality and functionality of our solutions but also requires keen attention to detail and the ability to identify and address potential risks, ensuring that all projects progress smoothly and meet delivery timelines. The ideal candidate will bring a wealth of experience in payment terminal testing and contribute to the cutting-edge payment technology landscape in Singapore.Key Responsibilities:- Design and implement detailed test cases derived from user requirements and technical specifications, ensuring thorough test coverage.- Detect and document software discrepancies, detailing the steps taken, and communicate these issues to the QA Lead or Developer.- Maintain comprehensive records of test artifacts and outcomes for analysis and review.- Collaborate proactively, taking the initiative to highlight and escalate any challenges or risks that may require the attention of senior leadership, to keep projects on course.- Undertake additional testing-related responsibilities as assigned.

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.

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 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.

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 Accion Labs as an ACI Universal Payment Development Support Specialist and be part of a dynamic team dedicated to enhancing payment solutions. In this role, you will leverage your expertise to support the development and implementation of ACI Universal Payment systems, ensuring seamless transactions and optimal performance for our clients.

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.

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 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.

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 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.

About AirwallexAirwallex is a pioneering unified payments and financial platform designed for global enterprises. By harnessing our proprietary infrastructure and innovative software, we empower over 200,000 businesses globally—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions that encompass business accounts, payments, spend management, treasury, and embedded finance at a worldwide scale.Founded in the vibrant city of Melbourne, our team comprises over 2,000 of the brightest minds in technology across 26 global offices. Valued at $8 billion, we are supported by renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital. Join us in shaping the future of global payments and finance.Attributes We ValueWe seek dynamic builders with an entrepreneurial spirit who aspire to create a meaningful impact, accelerate their learning, and embrace true ownership in their work. You bring substantial expertise, sharp analytical skills, and are driven by our mission and operating principles. You thrive on speed and good judgment, possess a deep curiosity, and make principled decisions while balancing expedience with thoroughness.You are collaborative and humble, transforming innovative concepts into tangible products, and you ensure that tasks are completed effectively from start to finish. Utilizing AI to enhance efficiency and solve challenges swiftly is part of your approach. Here, you will tackle complex, high-stakes issues alongside exceptional colleagues and advance your career as we redefine global banking. If this resonates with you, let's create what's next together.What You’ll DoAs a crucial member of the Search Platform Team, you will expertly bridge the gap between business needs and architectural excellence. Your responsibilities will include:Developing advanced application infrastructure to mitigate widespread challenges across the organization, significantly reducing maintenance costs for developers and fostering innovation;Skillfully addressing complex, organization-wide challenges through the strategic implementation of cutting-edge technologies such as distributed systems, vector databases, and data pipeline solutions;Conducting comprehensive evaluations of strategic solutions on an organization-wide scale.

About AirwallexAirwallex stands as the premier unified payments and financial platform designed for global enterprises. With our unique blend of proprietary technology and software, we empower over 200,000 businesses globally—such as Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions that streamline everything from business accounts and payments to spend management and treasury, along with embedded finance on a global scale.Founded in Melbourne, our team comprises over 2,000 of the brightest minds in technology, operating from 26 offices worldwide. With a valuation of US$8 billion and support from industry-leading investors including T. Rowe Price, Visa, and Mastercard, Airwallex is at the forefront of constructing the future of global payments and financial platforms. If you're ready to embark on the most ambitious journey of your career, we invite you to join us.Attributes We ValueWe seek dynamic builders with an entrepreneurial spirit who desire significant impact, rapid learning, and genuine ownership. You bring a wealth of expertise and acute analytical skills while being motivated by our mission and operating principles. You act swiftly and judiciously, remain inquisitive, and make decisions based on fundamental principles, skillfully balancing speed and thoroughness.Being humble and collaborative, you transform innovative ideas into tangible products and ensure tasks are executed from start to finish. You leverage AI to enhance productivity and solve challenges swiftly. Here, you will take on intricate, high-stakes issues alongside exceptional colleagues and advance your career as we shape the future of global banking. If this resonates with you, let’s innovate together.About the RoleWe are on the lookout for talented Senior Software Engineers to influence and enhance Airwallex’s edge infrastructure—you will architect and develop the software foundations that drive Airwallex’s global edge. Your responsibilities will include crafting high-quality code, designing scalable services, and owning comprehensive features that elevate our API gateway, CDN layer, DNS routing, and perimeter security, making them smarter, faster, and more resilient.You will collaborate closely with product, platform, and security experts to convert real-world requirements into clean, maintainable code—and witness your contributions serve millions of requests daily.

Position OverviewJoin the dynamic team at AvePoint as a Software Developer, where you will play a vital role within the Products and Engineering division of NETS Solutions. Reporting directly to the Software Development Lead, you will be instrumental in delivering high-quality applications to our customers, focusing on both development and implementation.Core ResponsibilitiesEngage in requirement gathering and generate necessary technical and operational documentation.Collaborate with the Solution Architect and Software Development Lead to analyze and design code modifications based on finalized product specifications.Execute code changes and conduct system testing in alignment with product specifications.Adhere to coding and security standards, as well as corporate processes.Conduct quality assurance activities, including unit testing, system testing, and code reviews.Support the Test Team during system integration testing and assist in resolving any reported issues.Provide assistance to internal and external stakeholders throughout the testing phases.Support customers during acceptance testing and post-implementation phases.Contribute to the creation of training materials and deliver presentations.

Join xcellink as a Software Engineer, where you will play a crucial role in the design and development of innovative devices for an integrated e-payment Fare Collection System. Your expertise will guide you through the entire software development lifecycle, from requirement definition to design, development, and rigorous testing.Key responsibilities include:Designing and building advanced applications for the Ubuntu platform.Collaborating with cross-functional teams to define, design, and implement new features.Unit testing code to ensure robustness, covering edge cases, usability, and reliability.Addressing bugs and enhancing application performance.Preparing and submitting necessary documentation throughout the software development lifecycle, including Business Rules, Software Requirement Specifications, Software Architecture Documents, Design Specifications, Interface Specifications, Source Codes, Testing Specifications, and Operation and Maintenance Manuals.Liaising with stakeholders to address requirements, design, and testing issues.

About CSIT:CSIT stands as a leader in the cybersecurity landscape, committed to providing innovative solutions that safeguard Singapore against cyber threats. We specialize in the development of advanced penetration testing products and platforms that empower organizations to conduct proactive security assessments and identify vulnerabilities. At CSIT, we cultivate an environment of innovation, collaboration, and continuous learning, where talented professionals can excel and significantly influence the realm of cybersecurity. Join us in our mission to outsmart cyber threats with state-of-the-art penetration testing tools.Role Overview:As a Security Software Developer, you will be instrumental in the design, development, and maintenance of products aimed at identifying and mitigating security vulnerabilities. Your responsibilities will include architecting, building, and optimizing systems that bolster our security infrastructure and enhance our cybersecurity capabilities.Core Responsibilities:- Design, develop, and maintain innovative pentesting products and platforms that facilitate daily cybersecurity operations.- Architect and implement scalable, dependable, and secure software solutions for penetration testing operations and exercises.- Create scripts and tools that streamline the deployment, configuration, and orchestration of pentesting environments.- Conduct research and develop security testing frameworks and techniques for pentesting tools that simulate real-world attack scenarios.- Collaborate with security researchers and analysts to identify emerging threats and vulnerabilities for inclusion in pentesting simulations.- Design, implement, and maintain Continuous Integration/Continuous Delivery (CI/CD) pipelines for rapid product iteration and delivery.- Keep up-to-date with the latest industry trends in cybersecurity and DevOps, integrating new technologies as appropriate.

Join ThoughtWorks as a Software Developer and be part of a global community that is changing the way software is developed. You'll work on exciting projects, collaborate with diverse teams, and leverage cutting-edge technologies to build impactful software solutions. Our culture encourages continuous learning, and we value innovation and creativity in every project.

About AirwallexAirwallex stands as the premier unified payments and financial platform tailored for global enterprises. With our distinctive blend of proprietary infrastructure and cutting-edge software, we empower over 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with comprehensive solutions to manage everything from business accounts and payments to spend management and treasury, as well as embedded finance on a global scale.Founded in Melbourne, our team comprises over 2,000 of the brightest minds in technology, spread across 26 offices globally. Valued at US$8 billion and backed by renowned 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 finance. If you're ready to embark on the most ambitious venture of your career, we invite you to join us.Attributes We ValueWe seek passionate builders with an entrepreneurial spirit who aspire to make a significant impact, accelerate their learning, and embrace true ownership of their work. You should possess strong expertise relevant to the role, coupled with sharp analytical thinking, and be driven by our mission and operating principles. You act swiftly with sound judgment, explore deeply with curiosity, and make informed decisions based on first principles, balancing speed and thoroughness.You embody humility and collaboration, turning innovative ideas into tangible products while ensuring tasks are completed from start to finish. You leverage AI to enhance productivity and accelerate problem-solving. Here, you’ll engage with intricate, high-impact challenges alongside exceptional colleagues and advance your career as we redefine the landscape of global banking. If this resonates with you, let's create the future together.About the TeamThe Global Treasury and Payment Network (GTPN) Team is integral to Airwallex’s payment infrastructure. Our focus is on broadening the reach of Airwallex’s global treasury and payment network while enhancing its capabilities, user experience, and offering innovative payment products anchored in a robust financial foundation.Your RoleAs we extend our global presence, we are on the lookout for enthusiastic software engineers to join our dynamic team. This is a unique chance to work closely with product managers and designers from around the world, crafting products that not only fulfill but surpass our customers' expectations.This opportunity is based in Singapore.