Java Backend Developer

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 sw…

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.

About Us:DOHE is a pioneering global leader in the EdTech sector, based in Singapore with a branch in the United Kingdom. Our mission is to revolutionize education by responsibly harnessing technology to enhance the quality of learning and drive significant societal advancement.We are in the process of creating EdTech Hub, a worldwide ecosystem designed to empower startups, promote collaboration, and boost innovation in the education sector globally. Through our Go-Together Accelerator Programme, we assist EdTech founders in transforming their visions into realities with tailored coaching and strategic guidance. Utilizing our proprietary Navigator methodology, we establish clear and effective pathways to success for education innovators.In the next decade, we aim to accelerate the growth of over 5,000 EdTech startups worldwide.Every initiative we undertake is committed to supporting EdTech startups to positively impact society and fulfill our mission.As part of the EdTech Hub IT Team, you will help power the digital infrastructure of our ecosystem. We are responsible for designing, building, and maintaining secure, scalable, and reliable technology that facilitates seamless collaboration among startups, partners, and stakeholders.From platform development and data management to cybersecurity and system optimization, our team ensures that innovation is underpinned by robust, future-ready technology. By merging technical expertise with a thorough understanding of the EdTech landscape, we create an environment where startups can concentrate on growth while we handle the technology that propels it.

Join our innovative team at fuku as a Senior Backend Engineer, where you will play a pivotal role in designing, developing, and scaling our backend services to support a rapidly growing platform. You will be at the forefront of creating reliable and efficient systems that enhance user experience and operational efficiency.Responsibilities:- Architect, develop, and maintain backend services with a strong emphasis on reliability and scalability.- Create and manage APIs to facilitate seamless communication between services.- Improve service reliability, observability, and overall performance.- Collaborate closely with product and infrastructure teams to deliver exceptional solutions.- Optimize and enhance microservices architecture in a distributed systems environment.

Responsibilities:Design innovative solutions and implement requirements for systems including trading, risk control, asset management, and clearing and settlement on our Digital Asset Management platform.Maintain, upgrade, transform, and optimize the performance of existing systems.Employ a holistic architectural design approach to enhance local modules while continuously anticipating future challenges.Lead critical projects and address complex technical challenges effectively.Requirements:Bachelor's degree or higher in Computer Science or related fields, with a minimum of 5 years of relevant experience.Expertise in at least one programming language such as Go, C/C++, or Java; willingness to learn Go if not already familiar.Strong understanding of network programming and Linux environments, alongside a solid grasp of data structures and algorithms.Proficient in commonly utilized databases and components, including MySQL, Redis, and Kafka.Demonstrate strong analytical and problem-solving skills, with a commitment to learning, teamwork, and responsibility.Familiarity with distributed system design and experience in building high-concurrency, high-availability systems.Prior development experience within the financial sector is highly desirable.Preferred Qualifications:Experience in engineering within the financial products or digital asset domain is a plus.Fluency in both English and Chinese; experience in supporting global business operations is advantageous.

Join fuku as a Senior Backend Engineer, where you will play a pivotal role in developing and maintaining scalable distributed systems that power our innovative products and services. As a key member of our engineering team, your responsibilities will include:- Designing and implementing backend services using Go and/or Python.- Creating and maintaining APIs to facilitate smooth integrations and communications across services.- Enhancing system performance and reliability through optimization techniques and proactive monitoring.- Collaborating closely with product and infrastructure teams to deliver robust and efficient solutions.

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 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.

Join our innovative team at fuku as a Senior Backend Engineer, where you will play a critical role in building and optimizing the distributed systems that drive our commerce platform. In this position, you will:Take ownership of developing and managing core distributed systems.Design and implement scalable and reliable microservices using Go or Python.Create high-throughput APIs that enhance platform scalability and performance.Work closely with product managers and Site Reliability Engineering (SRE) teams to deliver robust and effective solutions.Mentor junior engineers, fostering their professional growth and development.Enhance and streamline CI/CD workflows to improve development and deployment processes.Continuously seek ways to improve system performance, reliability, and scalability.

Join fuku as a Senior Backend Engineer and play a pivotal role in designing and managing scalable, distributed systems and microservices that power our innovative platform. You will leverage your expertise in Go or Python to develop robust backend solutions, ensuring that our service architecture remains both reliable and efficient. If you are passionate about creating resilient backend services and have a minimum of 3 years of experience in backend development, we want to hear from you!

Join fuku as a Senior Backend Engineer and take the lead in designing and developing robust backend services for our high-performance distributed platform. You will be responsible for ensuring the reliability, performance, and observability of backend systems, while delivering production-grade services that emphasize resilience. Collaborate closely with cross-functional teams, including product and infrastructure, to create effective solutions and mentor fellow engineers to foster their growth.

- Position: Senior Backend Engineer - Location: SingaporeResponsibilities:- Take ownership of designing and developing robust, high-performance backend services.- Collaborate closely with product and infrastructure teams to architect and implement APIs.- Automate deployment processes to guarantee efficient and reliable software releases.- Provide mentorship and support to fellow engineers within the team.Requirements:- A minimum of 3 years of experience in developing systems using Go or Python.- Deep understanding of distributed systems and their complexities.- Demonstrated success in working with microservices architecture.- Knowledge of cloud platforms, service meshes, and observability tools is highly desirable.This position offers the chance to tackle challenging backend engineering problems, work collaboratively across diverse teams, and play a key role in the growth and technical excellence of fuku.

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 and implement cutting-edge Digital Asset Management trading systems.Maintain, upgrade, transform, and optimize the performance of existing systems.Oversee the overall architecture design and future-proofing of the trading system.Lead pivotal projects and collaborate in overcoming technical challenges.

Empowering Your Future with AvePoint AvePoint stands as a global frontrunner in data management and governance, with over 21,000 clients worldwide relying on us to enhance their digital environments across platforms like Microsoft, Google, Salesforce, and others. Our extensive global channel partner program boasts more than 3,500 managed service providers, value-added resellers, and systems integrators, with our offerings available in over 100 cloud marketplaces. For more insights, visit www.avepoint.com. At AvePoint, we are committed to nurturing our talent. Our culture, characterized by agility, enthusiasm, and collaborative spirit, empowers you to steer your career, make a meaningful difference, and take control of your future. Join us and discover how you can unlock your true potential! Job Summary: We are on the lookout for a proficient Backend Developer to oversee and enhance the Master Data Manager (MDM) system, ensuring data integrity and optimizing backend services for seamless functionality. The ideal candidate should possess experience in crafting robust systems utilizing Java and managing databases with Postgres/Oracle RDBMS.

As a Backend Developer at fuku, you will play a pivotal role in the design, development, and maintenance of robust backend systems and APIs utilizing Golang. Your work will be essential in supporting scalable and high-performance applications. You will collaborate closely with cross-functional teams, including frontend developers, product managers, and designers, to ensure seamless user experiences. Your responsibilities will include writing clean, efficient, and well-documented code, while adhering to industry best practices and coding standards.In this role, you will optimize application performance, ensuring system reliability, scalability, and security. You will participate in code reviews, provide constructive feedback, and mentor junior developers as necessary. Additionally, you will troubleshoot and resolve technical issues, bugs, and performance bottlenecks promptly. You will also contribute to the design and implementation of database schemas and data storage solutions, while staying informed about the latest industry trends, tools, and technologies to continuously enhance development processes.

Join Our Team at AirwallexAirwallex stands out as the only all-in-one payments and financial platform tailored for businesses operating on a global scale. Our unique blend of proprietary technology and software empowers more than 200,000 businesses worldwide—including industry leaders like Brex, Rippling, Navan, Qantas, and SHEIN—to manage everything from business accounts, payments, and spend management to treasury and embedded finance effectively.Founded in Melbourne, our dynamic workforce of over 2,000 talented individuals spans 26 offices across the globe. With a valuation of US$8 billion and support from prestigious investors such as T. Rowe Price, Visa, and Mastercard, we are at the forefront of revolutionizing the future of global payments and finance. If you’re prepared to embark on an ambitious journey that shapes your career, we invite you to join us.

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 Grab as a Senior Backend Software Engineer and become a vital part of our innovative team. In this role, you will design and develop scalable backend systems that enhance the user experience and bolster our service offerings. You will collaborate with cross-functional teams to identify requirements and implement high-quality code that adheres to best practices.This is an exciting opportunity to work in a fast-paced environment where your contributions will have a significant impact on our business. If you are passionate about technology and want to be part of a dynamic team, we would love to hear from you!