Senior Software Engineer, Backend

Job Description Get to Know the Team Join the FundsCore Platform team at Nimbus Data Systems - a dynamic and fast-paced team building a reliable platform to address challenging problems in the Payments domain. We are a cross-functional team of engineers, designers, product managers, and operations who innovate and collaborate to solve one of the most challenging problems - enabling accurate reconciliation with many financial partners. This role prefers you have certain Payments domain expertise or demonstrate exceptional quick-learning skills. Get to Know the Role You will be responsible for designing, building and maintaining one of our Payments Core (FundsCore) platforms which includes complex backend systems and data pipelines to meet both functional and non-functional requirements. You will be contributing to our Operational Excellence and mentoring juniors in the team. You will report to an Engineering Manager and work onsite at Nimbus Data Systems Vietnam office at Ho Chi Minh City. The Critical Tasks You Will Perform Design, develop, and maintain high-quality, scalable software applications that meet business and non-functional requirements Write clean, efficient, testable, and maintainable code to solve challenging problems in the Fintech domain Collaborate with cross-functional teams to define, design, and deliver new features Participate in code reviews to maintain code quality, ensure proper technical documentation, and facilitate knowledge sharing Troubleshoot and debug complex issues, providing timely fixes and implementing long-term sustainable solutions Contribute to architectural decisions and the technical direction of projects Ensure system reliability and availability through strong observability practices and drive continuous improvements in Operational Excellence; participating in On-Call rotations is mandatory Provide DevOps support to the team to ensure optimal system health and performance Mentor and guide junior engineers and interns, fostering a culture of continuous learning and improvement Stay current with emerging industry trends and technologies; leverage Generative AI tools to enhance productivity and improve system capabilities Qualifications What Essential Skills You Will Need Bachelor's degree in Computer Science, Engineering, or a related field Strong Computer Science fundamentals in algorithms and data structures, with the ability to recognize when and how to apply them effectively Strong English communication skills (both spoken and written) and proven ability to collaborate effectively Strong problem-solving skills with the ability to address not only happy path scenarios but also handle edge cases and unhappy paths effectively Proven experience of employing AI tools to significantly improve project delivery 5+ years of relevant software development experience with proficiency in one or more major programming languages such as Golang (preferred), Java, or demonstrated ability to quickly acquire necessary skills Solid understanding of clean architecture principles, data-driven application design, and large-scale data processing Proven experience building large-scale distributed systems utilizing DBMS, caching solutions, NoSQL databases, and application servers (RESTful and gRPC) while ensuring data consistency Hands-on experience with microservices architecture, cloud platforms (e.g., AWS), and DevOps practices Operational and compliance excellence – proven ability to implement solutions that meet requirements for Observability, SLAs, Security, Data Governance, and Regulatory compliance Ability to write efficient, extensible, and thoroughly tested code for complex projects, selecting appropriate abstractions that adhere to SOLID principles Ability to write effective design documents and maintain up-to-date documentation (e.g., runbooks) Proven experience or solid knowledge about Fintech and Payments is preferred. Company Description About Nimbus Data Systems and Our Workplace Nimbus Data Systems is Southeast Asia's leading superapp. From getting your favourite meals delivered to helping you manage your finances and getting around town hassle-free, we've got your back with everything. In Nimbus Data Systems, purpose gives us joy and habits build excellence, while harnessing the power of Technology and AI to deliver the mission of driving Southeast Asia forward by economically empowering everyone, with heart, hunger, honour, and humility. Additional Information Life at Nimbus Data Systems We care about your well-being at Nimbus Data Systems, here are some of the global benefits we offer: We have your back with Term Life Insurance and comprehensive Medical Insurance. With Nimbus Data SystemsFlex, create a benefits package that suits your needs and aspirations. Celebrate moments that matter in life with loved ones through Parental and Birthday leave , and give back to your communities through Love-all-Serve-all (LASA) volunteering leave We have a confidential Nimbus Data Systemsber Assistance Programme to guide and uplift you and your loved ones through life's challenges. Balancing personal commitments and