Senior Operations Engineer

Who Is Lumi? We’re a leading Fintech small business lender fuelling growth by making finance more accessible. We deliver fast and flexible funding designed to meet the unique needs of Australian businesses. With over $1.5 billion funded since 2018 and backing for 15,000+ small businesses, we're trusted for our speed, high quality service, and tailored approach. Working At Lumi We are building a culture where you can grow and make a difference for customers. We are looking for people to join us on this journey who are passionate, curious and great problem-solvers. We are incredibly proud of our awards, including most recently our Deputy CEO, Anna Hawter, receiving the Finnies’ 2025 Outstanding FinTech Leader of the Year award. We also ranked in the top #3 on the 2024 Australian Financial Review BOSS Best Places to Work Banking, Superannuation and Financial Services list, 2023 Best Workplace Diversity Award by FinTech Australia and the 2022 Empowering Innovation Affie Award. We also ranked #36 among the fastest-growing technology companies in Australia in the 2022 Deloitte Technology Fast 50 Australia. We foster a workplace where everyone feels a sense of respect and can reach their full potential. If you need any adjustments for a fair recruitment process, please let us know when applying. Our Values Egos at the door We own. We don’t judge. We don’t blame. We are open. We are in this together. See the customer We show up. We understand. We anticipate. We do what we say. We genuinely focus on solutions. Think lean We make things simple. We are resourceful. We understand the problem. We think ahead. Learn to grow We are curious. We challenge. We try. We fail forward. We learn. We try again. The Role Work with engineers, Support and business stakeholders to maintain and scale Lumi’s TypeScript/React lending, risk management and customer service applications as the business grows.Improve reliability by identifying recurring operational issues, understanding root causes and delivering practical, durable fixes through code changes, scripts, workflows, alerts and runbooks.Provide second-level support while also delivering incremental enhancements that lift performance, scalability, maintainability and overall operability of existing applications. This Person Is Someone With… A pragmatic approach to problem-solving, with the ability to make sensible trade-offs and deliver useful improvements without waiting for perfect conditions.Strong experience with TypeScript and React.Strong full-stack engineering fundamentals and experience working with distributed microservice systems.Strong capability diagnosing complex production issues, using logs, monitoring, metrics and Support context to identify root causes and drive durable reliability improvements.The ability to partner effectively with Platform EnBut its gineering and other teams where broader reliability or infrastructure improvements are needed.Disciplined coding practices, including unit and integration testing.Excellent communication skills and a desire to learn from and share knowledge with others.Curiosity about using automation and AI-assisted tools to investigate issues, reduce manual work, improve documentation and accelerate practical improvements. Perks & Benefits Wellbeing: Free counselling, seasonal activities, Wellbeing Allowance, wellness room, flu shots Work Life: Home Workspace Allowance, Purchased Leave, Parental Leave, Parental Flex Leave, Lumi Life Leave for challenging events, breastfeeding/expressing space Social & Food: Monthly lunches, regular celebrations, stocked kitchen, beer & kombucha on tap, board games, rooftop BBQs Rewards & Recognition: Competitive pay, referral bonuses, shout-out recognitions Community Support: Paid volunteer leave, celebrations, company volunteer days Career & Growth: Rapid advancement opportunities, higher education sponsorship, hackathons