Senior Software Engineer, Fullstack

Design, build, and maintain backend services powering FlexCard features for millions. Contribute across the stack using TypeScript, Node.js, React, and React Native. Collaborate with product managers and designers to translate features into scalable solutions. Improve reliability and performance of core services via architecture, monitoring, and metrics. Participate in code reviews and elevate engineering quality across the team. Mentor and pair with other engineers to grow the team and shipping practices. 4+ years of experience building full-stack applications in production Strong programming in JavaScript/TypeScript, Java, Python, Go, or C/C++ Backend systems and APIs powering consumer-facing products Experience with modern UI frameworks such as React Bachelor’s degree in Computer Science or related discipline (or equivalent) Familiarity with monitoring, observability, and metrics-driven development Flexible hours and virtual-first culture Home office stipend Premium medical, dental, and vision insurance Generous parental and caregiver leave 401(k) savings plan with matching contributions Flexible PTO and company holidays