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Airwallex

Empowering businesses to grow beyond borders

Senior Backend Engineer, Spend Team (FinOS)

Backend EngineerSoftware EngineerFull TimeRemoteSeniorTeam 1,001-5,000Since 2015H1B SponsorCompany SiteLinkedIn

Location

Singapore

Posted

77 days ago

Salary

0

Seniority

Senior

Job Description

Senior Backend Engineer, Spend Team (FinOS)

Airwallex

About Airwallex Airwallex is the only unified payments and financial platform for global businesses. Powered by our unique combination of proprietary infrastructure and software, we empower over 200,000 businesses worldwide - including Brex, Rippling, Navan, Qantas, SHEIN and many more - with fully integrated solutions to manage everything from business accounts, payments, spend management and treasury, to embedded finance at a global scale. Proudly founded in Melbourne, we have a team of over 2,000 of the brightest and most innovative people in tech across 26 offices around the globe. Valued at US$8 billion and backed by world-leading investors including T. Rowe Price, Visa, Mastercard, Robinhood Ventures, Sequoia, Salesforce Ventures, DST Global, and Lone Pine Capital, Airwallex is leading the charge in building the global payments and financial platform of the future. If you're ready to do the most ambitious work of your career, join us. Attributes We Value We hire successful builders with founder-like energy who want real impact, accelerated learning, and true ownership. You bring strong role-related expertise and sharp thinking, and you're motivated by our mission and operating principles. You move fast with good judgment, dig deep with curiosity, and make decisions from first principles, balancing speed and rigor. You're humble and collaborative; turn zero-to-one ideas into real products, and you "get stuff done" end-to-end. You use AI to work smarter and solve problems faster. Here, you'll tackle complex, high-visibility problems with exceptional teammates and grow your career as we build the future of global banking. If that sounds like you, let's build what's next. About the team The Engineering team at Airwallex is a diverse group of innovators, builders, and problem solvers, driven by a mission to empower businesses to operate anywhere, anytime. We thrive in a collaborative and fast-paced environment, where we're constantly pushing the boundaries of what's possible in the financial technology space. As a team, we value technical craftsmanship, continuous learning, and a strong sense of ownership, working together to build scalable, reliable, and secure products that empower businesses of all sizes to grow without borders. A key part of Airwallex's suite of Business Account software, the Spend team are revolutionising the way businesses manage their spend and manage bills, credit cards and expenses. This team solves complex challenges around the growing demands of data and feature complexity in credit cards, bills and and expenses, and they work at the exciting intersection of our backend infrastructure and customer facing applications, working on distributed systems that manage millions of transactions. What you'll do As a Senior Engineer on the Spend team, you will design and build scalable backend systems. You will collaborate with cross-functional teams to deliver reliable, secure features while mentoring engineers and influencing the technical direction of the platform. This role is based in Singapore. Responsibilities - Strong focus on technical excellence through high-quality coding and sound system design. - Committed to delivering high-quality, well-tested solutions. - Experienced in designing and building REST APIs. - Collaborates effectively with cross-functional, multi-regional teams. - Takes a pragmatic approach to problem-solving, weighing trade-offs before adopting new technologies. Who you are We're looking for people who meet the minimum qualifications for this role. The preferred qualifications are great to have, but are not mandatory. Minimum qualifications - Bachelor's degree in Computer Science, Software Engineering, or a related field. - 5+ years of professional software engineering experience. - Hands-on experience designing and building backend systems and APIs in production. - Strong computer science fundamentals, including algorithms, data structures, and distributed systems. - Proficient in at least one backend language (e.g., Java, Kotlin, Go, Python). - Solid understanding of REST API design and backend frameworks (e.g., Spring Boot). - Experience working with cloud infrastructure (e.g., AWS, GCP) and container orchestration (e.g., Kubernetes). - Strong focus on performance, reliability, and code quality. Preferred qualifications - Familiarity with observability and monitoring tools (e.g., Grafana, Prometheus, Splunk). Applicant Safety Policy: Fraud and Third-Party Recruiters To protect you from recruitment scams, please be aware that Airwallex will not ask for bank details, sensitive ID numbers (i.e. passport), or any form of payment during the application or interview process. All official communication will come from an @airwallex.com email address. Please apply only through careers.airwallex.com or our official LinkedIn page. Airwallex does not accept unsolicited resumes from search firms/recruiters. Airwallex will not pay any fees to search firms/recruiters if a candidate is submitted by a search firm/recruiter unless an agreement has been entered into with respect to specific open position(s). Search firms/recruiters submitting resumes to Airwallex on an unsolicited basis shall be deemed to accept this condition, regardless of any other provision to the contrary. Equal opportunity Airwallex is proud to be an equal opportunity employer. We value diversity and anyone seeking employment at Airwallex is considered based on merit, qualifications, competence and talent. We don't regard color, religion, race, national origin, sexual orientation, ancestry, citizenship, sex, marital or family status, disability, gender, or any other legally protected status when making our hiring decisions. If you have a disability or special need that requires accommodation, please let us know.

Benefits

  • 401(K), Commuter benefits, Company equity, Company-sponsored outings, Customized development tracks, Dental insurance, Disability insurance, Volunteer in local community, Flexible Spending Account (FSA), Flexible work schedule, Free daily meals, Generous parental leave, Generous PTO, Company-sponsored happy hours, Health insurance, Life insurance, Mentorship program, Paid volunteer time, Open office floor plan, Paid holidays, Paid sick days, Partners with nonprofits, Performance bonus, Pet friendly, Pet insurance, Promote from within, Recreational clubs, Lunch and learns, Free snacks and drinks, Team based strategic planning, OKR operational model, Team workouts, Mandated unconscious bias training, Vision insurance, Wellness programs, Some meals provided, Mental health benefits, Employee-led culture committees, Day off for your birthday, Quarterly engagement surveys, Hybrid work model, In-person all-hands meetings, In-person revenue kickoff, President's club, Employee awards, Transgender health care benefits, Mother's room, Virtual coaching services, Bereavement leave benefits

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