Backend Software Engineer Internship

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.

Role overview Grab Holdings Inc. seeks a Lead Backend Software Engineer in Singapore to guide the design and development of backend systems serving millions of users across Southeast Asia. This position plays a central part in shaping reliable, high-performance services at scale. What you will do Lead and mentor a team of backend engineers, offering technical guidance and support. Shape the backend architecture to enhance services and overall user experience. Encourage strong engineering practices and foster innovation within the team. Design and build scalable systems to handle high traffic and complex requirements. Impact This role has a direct impact on the evolution of Grab’s backend services, helping ensure reliability and strong performance for a rapidly growing user base.

Join Grab as a Lead Backend Software Engineer specializing in Lending, where you will leverage your expertise to drive innovative software solutions that enhance our lending platform. You will lead a team of talented engineers, guiding them through the design, development, and implementation of scalable backend systems. Your role will involve collaborating with cross-functional teams to deliver high-quality software that meets business needs and exceeds customer expectations.

Grab is seeking a Lead Software Engineer with a focus on backend development for AV Integrations and Deployments. This position is based in Singapore and centers on building and integrating audio-visual technologies into Grab's platform. Role overview This role leads a team of engineers, guiding backend projects that support the integration and deployment of AV solutions. The work involves designing backend systems that scale and contribute to a seamless experience for users across Grab's services. What you will do Lead and mentor a team of backend engineers working on AV integrations and deployments Design and implement scalable backend solutions to support audio-visual technologies Drive technical innovation and maintain high standards in software engineering Collaborate with cross-functional teams to ensure smooth integration of AV features Requirements Strong experience in backend software engineering Background in integrating audio-visual technologies Ability to lead and inspire a technical team Comfortable solving complex engineering challenges

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.

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 dynamic team at Delivery Hero as a Backend Software Engineer II. In this pivotal role, you will design and implement scalable backend solutions that enhance our delivery services. Collaborate with cross-functional teams to ensure seamless integration and performance optimization. Your expertise will drive innovation and improve user experiences.

Our JourneyFounded in 2014 by Henry and Joel, ShopBack was born from a vision to revolutionize the connection between brands and consumers. As former advertisers, they identified the shortcomings of conventional marketing and seized the opportunity to enhance value for both parties. This vision turned into action, leading to the rapid development of our prototype within a weekend alongside other co-founders. Today, we proudly serve over 50 million users across 13 markets, collaborating with more than 20,000 merchants and facilitating over half a million transactions daily. Our mission is to create The World’s Most Rewarding Way to Shop, and we are on the lookout for ambitious and driven individuals to join our journey.About the Role:As a Senior Backend Software Engineer at ShopBack, you will be instrumental in developing scalable and operational platforms that cater to eCommerce traffic globally, ensuring a top-notch product experience. You will work with a diverse and talented team of engineers from various countries, all united by a strong desire to make a significant impact on the eCommerce landscape. We value team members who excel at tackling complex challenges, take pride in delivering high-quality products, and thrive in collaborative environments.Ideal Candidate:You are resilient, self-motivated, and eager to see the tangible impact of your work each day. You possess a passion for your craft and are always on the lookout for ways to improve and innovate solutions for demanding problems.We welcome both fresh graduates and seasoned engineers to apply.

Join Our Innovative Team at AirwallexAt Airwallex, we are revolutionizing the financial landscape for global businesses with our unified payments and financial platform. Our cutting-edge proprietary infrastructure and software empower over 200,000 businesses worldwide, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN, to seamlessly manage everything from business accounts to payments, spend management, and treasury solutions, all while integrating finance at a global scale.Founded in Melbourne, our dynamic team of over 2,000 innovative professionals spans 26 offices worldwide. Valued at US$8 billion, we are proudly backed by renowned investors such as T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital. If you are ready to take on the most ambitious challenges of your career, we invite you to join us in shaping the future of global payments.What We Look ForWe seek builders with a founder-like mindset who thrive on real impact, accelerated learning, and genuine ownership of their work. You should bring a wealth of expertise, keen analytical skills, and a passion for our mission and operating principles. You operate swiftly with sound judgment, explore deeply with curiosity, and make decisions based on foundational principles, striking a balance between speed and thoroughness.As a humble and collaborative team member, you will transform innovative ideas into tangible products and ensure tasks are completed efficiently. By leveraging AI tools, you will enhance productivity and expedite problem-solving. Here, you will engage with complex, high-stakes challenges alongside exceptional colleagues and advance your career as we redefine the future of global banking. If this resonates with you, let’s build what’s next together.Your Role: Contribute to Our Onboarding TeamThe Onboarding team is crucial to Airwallex's mission, facilitating the swift integration of businesses into our platform. Leveraging data-driven analytics, we continuously refine our processes to enhance operational efficiency. Our core objectives include conducting Know Your Customer (KYC) procedures and risk-based operations to uphold the highest compliance and security standards while managing sensitive financial data. We empower our business customers through robust, secure, and user-friendly account management solutions.As we expand regionally, our team plays a vital role in onboarding an increasing number of customers in new markets, directly supporting our global growth strategy.

Join fuku as a Backend Software Engineer specializing in distributed systems at our Singapore office. This role is crucial for our rapidly expanding global consumer internet platform, which caters to hundreds of millions of users across diverse ecosystems including content, community, e-commerce, and advertising.Singapore serves as a pivotal hub for our international expansion, where you will develop high-performance backend systems tailored to support overseas users and facilitate efficient platform scaling across regions. In this role, you will tackle challenges associated with distributed systems, high concurrency, and cross-region architecture while collaborating with globally distributed teams to create impactful solutions.

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.

Role overview As a Principal Backend Software Engineer I at Delivery Hero in Singapore, the focus is on shaping the backend systems that drive the logistics platform. This position plays a key role in strengthening the delivery ecosystem, with particular attention to reliability, scalability, and security. What you will do Design and build backend systems that form the foundation of the logistics platform Collaborate with cross-functional teams to deliver services that are both reliable and secure Create scalable solutions that help support and sustain business growth

Join Airwallex as a Staff Backend EngineerAt Airwallex, we are revolutionizing the financial landscape for global businesses. Our unique blend of proprietary technology and software supports over 200,000 companies worldwide, including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN. We provide fully integrated solutions that span business accounts, payments, spend management, treasury services, and embedded finance on a global scale.Founded in Melbourne, we are a diverse team of over 2,000 innovative professionals across 26 offices globally. With a valuation of US$8 billion and backing from prestigious 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 building the future of global payments and finance. If you’re ready to embark on the most ambitious work of your career, we invite you to join our journey.What We ValueWe seek builders with the energy and passion of founders who desire to make a significant impact, accelerate their learning, and embrace true ownership. You should possess strong technical expertise and analytical thinking, driven by our mission and operating principles. You operate swiftly with sound judgment, demonstrating deep curiosity and a principled approach to decision-making, balancing speed with thoroughness.We value humility and collaboration, encouraging you to transform innovative concepts into tangible products. You should be adept at utilizing AI to enhance efficiency and solve problems effectively. Here, you will navigate complex, high-visibility challenges alongside exceptional colleagues, advancing your career as we shape the future of global banking. If this resonates with you, let’s create what’s next together.About the Issuing Engineering TeamThe Issuing Engineering Team at Airwallex is responsible for developing and maintaining critical systems for card issuing, transaction processing, and settlement on a global scale. Our team focuses on delivering reliable, scalable, and compliant platforms that support Airwallex’s issuing products. Key areas of responsibility include:Card Management: Developing customer-facing and internal systems for managing card lifecycles, controls, and configurations.Transaction Processing: Creating a high-throughput global transaction processing platform designed for low latency, high availability, and resilience.Settlement Workflows: Overseeing clearance, settlement, and dispute workflows to ensure financial accuracy and compliance with industry standards.

About AirwallexAirwallex is a pioneering unified payments and financial platform designed specifically for global enterprises. By leveraging our proprietary infrastructure and advanced software, we empower over 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—with seamless solutions that encompass everything from business accounts and payment processing to spend management, treasury services, and embedded finance on a global scale.Founded in Melbourne, we take pride in our diverse team of more than 2,000 innovative professionals located across 26 offices globally. With a valuation of US$8 billion and backing from top-tier 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 shaping the next generation of global financial solutions. If you are ready to embark on the most ambitious journey of your career, we invite you to join us.

Join the forefront of financial innovation as a Backend Software Engineer at YouTrip, the leading multi-currency payment platform in the Asia Pacific. Our pioneering digital wallet has transformed how millions manage their finances, processing over US$15 billion annually. At YouTrip, we empower consumers and businesses with inclusive financial solutions through our platforms, YouTrip and YouBiz.In 2018, we launched the region's first multi-currency digital wallet, and since then, we've garnered over US$110 million in investments, with support from global venture capital firms like Lightspeed Venture Partners. Recognized by the World Economic Forum and CNBC as a top fintech company, we are on a mission to redefine digital financial services.We are committed to fostering a diverse and inclusive entrepreneurial culture and are seeking motivated individuals to join our dynamic team as we explore new frontiers in fintech.Position OverviewAs a Software Engineer focused on backend development, you will play a critical role in designing and building scalable, reliable, and secure systems that support our fintech platform. This position offers a unique opportunity to engage in impactful projects within a collaborative and fast-paced environment.Key Responsibilities: Develop and maintain robust backend services and APIs using Golang. Engage in the full software development lifecycle, from requirements gathering to deployment and maintenance. Write clean, maintainable, and efficient code adhering to industry best practices. Collaborate with cross-functional teams to architect solutions and deliver high-quality software. Enhance system performance, reliability, and scalability through continuous monitoring and optimization. Create and maintain automated tests to ensure software quality. Participate in code reviews and contribute to architectural discussions. Stay updated on emerging technologies and assess their applicability to our systems.

Empowering a Future of AutonomyAt Venti Technologies, we are pioneers in the development of robotic vehicles designed to enhance logistics safety, contribute to a sustainable environment, and improve the quality of life for individuals. Our close-knit team is on a mission to revolutionize the world with innovative technology, and we are searching for exceptional talent to help us achieve our vision of deploying autonomous vehicles at scale.About Venti TechnologiesVenti Technologies is a leading force in safe-speed autonomous logistics systems, operating across the U.S. and Asia. We specialize in transforming the future of goods transportation through sophisticated mathematics, deep learning, and cutting-edge algorithms. Our proprietary suite of logistics technologies is proven to reduce costs, enhance vehicle utilization, and boost safety, garnering recognition from clients and fuelling our expansion. Established in 2018, Venti boasts a remarkable international team and has autonomous systems actively deployed in Asia for various industrial and logistics applications. Our offices span globally, with Singapore serving as our Asian headquarters.Key ResponsibilitiesContribute to the architectural design and implementation of new service infrastructures for our Autonomous Prime Mover (APM) business.Develop a large-scale IoT system to monitor real-time operation data for effective fleet management.Design and implement data models and services focused on global route optimization, live monitoring, and vehicle maintenance.Create internal services that enhance our research and development processes.Establish universal authentication integration and implement best security practices.Develop a common client SDK for backend services.QualificationsBachelor's or Master's degree in Computer Science or a related field.Minimum of 5 years of experience in backend development.Proficient in RESTful API frameworks using Python, Java, or Golang.Experience in high-performance backend implementation, profiling, and monitoring.Skilled in data modeling with relational databases.

Join Our Team at AirwallexAirwallex stands out as the leading unified payments and financial platform tailored for global enterprises. Our innovative blend of proprietary technology and software empowers over 200,000 businesses globally – including industry giants such as Brex, Rippling, Navan, Qantas, and SHEIN – to seamlessly manage their business accounts, payments, spend management, treasury, and embedded finance solutions on a worldwide scale.Established in Melbourne, our diverse team of over 2,000 talented individuals operates across 26 offices worldwide. With a valuation of US$8 billion and strong backing from premier investors like T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is at the forefront of shaping the future of global financial services. If you’re eager to embark on the most ambitious journey of your career, we invite you to join us.What We Look ForWe seek builders with entrepreneurial spirit who are passionate about making a tangible impact, eager to learn quickly, and desire substantial ownership in their work. You should bring deep expertise in your role, coupled with analytical thinking, and be driven by our mission and operating principles. You thrive in fast-paced environments, apply good judgment, and approach problems with curiosity and a first-principles mindset, balancing speed with thoroughness.As a humble and collaborative innovator, you’ll transform initial concepts into tangible products and drive projects to completion. Embracing AI to enhance productivity and expedite solutions is crucial. Here, you’ll face complex, high-impact challenges alongside exceptional colleagues and advance your career as we build the future of global banking. If this resonates with you, let’s create what’s next together.Exciting Opportunity: Join Our Onboarding TeamThe Onboarding team is vital to Airwallex's mission, ensuring the swift integration of businesses into our platform. Using data-driven insights, we refine our processes to maximize operational efficiency and effectiveness. Our core responsibilities include executing Know Your Customer (KYC) protocols and risk-based operations to uphold the highest compliance and security standards while managing sensitive financial information. Our goal is to empower business clients through secure, robust, and user-friendly account management solutions.This team plays a key role in our regional growth, facilitating the onboarding of increasing numbers of clients in both new and established markets. By supporting our global expansion, we contribute significantly to the evolution of our platform.