Senior Software Engineer (R14285)

Headquarters: Remote - US Who We Are Oportun (Nasdaq: OPRT) is a mission-driven financial services company that puts its members' financial goals within reach. With intelligent borrowing, savings, and budgeting capabilities, Oportun empowers members with the confidence to build a better financial future. Since inception, Oportun has provided more than $22.7 billion in responsible and affordable credit, saved its members more than $2.5 billion in interest and fees, and helped its members set aside an average of more than $1,800 annually. The Opportunity The Engineering Ecosystem Org exists to help engineers deliver member value with high speed and high quality. As a Senior Software Engineer, you will design, build, and operate scalable platform services and shared libraries that improve developer productivity, system reliability, and delivery velocity. In your first year, success means delivering complex platform capabilities end-to-end, contributing to architecture decisions, and raising engineering quality through strong technical practices and mentorship . At Oportun, we move fast and we hold each other to a high bar. If you care about doing your best work while actually moving the needle for real people, you'll fit right in. What You'll Do Your day-to-day • You'll design, build, test, deploy, and maintain scalable, reliable platform services and shared libraries. • You'll contribute to platform and system architecture decisions with a focus on reliability, scalability, and developer experience. • You'll write high-quality, maintainable code and model strong engineering best practices. • You'll collaborate with Staff Engineers and peers to implement standards and patterns that support Continuous Delivery. • You'll identify and address performance, scalability, and reliability issues across platform services. • You'll participate actively in design reviews, code reviews, and technical discussions, providing thoughtful and constructive feedback. • You'll drive operational excellence by improving monitoring, alerting, and incident response practices. • You'll investigate root causes of production issues and implement long-term fixes to reduce on-call burden. • You'll mentor and support junior and mid-level engineers through code reviews, pairing, and technical guidance. • You'll partner with cross-functional teams to understand requirements and deliver solutions that create measurable business and customer value. • You'll bring ideas for how we can do things better - proactively, not just when asked. • You'll look for ways to use AI tools thoughtfully - to work smarter, reduce manual work, and make better decisions faster. Who You Are The right fit looks like this You're a hands-on engineer who enjoys solving complex technical problems, navigating ambiguity, and improving systems that other engineers depend on. You take ownership from design through production, communicate clearly, and help raise the technical bar through mentorship and constructive feedback. You're comfortable navigating complexity and don't wait for perfect information to move forward. You communicate clearly, give direct feedback, and expect the same in return. What You Bring Skills & experience Required • You'll have 7-8 years of related software engineering experience with a bachelor's degree, or a master's degree with an equivalent combination of education and experience. • You've demonstrated strong experience in software development focused on backend systems and services. • You bring proficiency in Java, C#, C++, or similar backend languages, with strong knowledge of software design principles, data structures, and algorithms. • You have experience building and operating scalable, reliable, and secure systems, including 3+ yea