Senior Software Engineer (Internal Tools)

Join Relay, a fast-growing fintech company on a mission to reinvent banking for small businesses. As a Senior Software Engineer (Internal Tools), you'll play a crucial role in building scalable systems, optimizing infrastructure, and improving internal workflows. Enjoy a competitive salary, equity, comprehensive health benefits, and a hybrid work environment.

• End-to-End Development: Own internal tool features across the full development lifecycle, from design and development through testing, deployment, and monitoring.
• System & Infrastructure Ownership: Manage production systems, optimize infrastructure, and contribute to the availability, scalability, and resilience of our platform.
• Internal Customer Focus: Run your own discovery by sitting with the teams you build for, understanding their workflows, and prioritizing based on real operational pain.
• This role is for someone who’s energized by removing friction
• If you're motivated by building software that makes a whole company faster, you'll feel right at home here
• You proactively drive enhancements and lead initiatives to enhance code quality, optimize performance, and streamline development processes
• You're comfortable doing your own product discovery, talking directly to internal users, asking why a process exists, and proposing a better one
• You’re a collaborative team player, eager to pitch in, ask questions, and provide and receive feedback
• You thrive in fast-paced, dynamic environments and are comfortable navigating ambiguity and change
• You're energized by internal-facing work and see making teams more efficient as a meaningful engineering outcome
• You mentor junior engineers, sharing expertise and fostering the growth and skill development of the entire team
• You have led the development of significant components or features, delivering them successfully with minimal oversight
• You have 3+ years of full-stack software engineering experience; internal tooling is a plus
• You’re a lifelong learner, curious about new frameworks, best practices, and emerging technologies
• We're looking for people who are relentless, curious, and care deeply about the work. You're encouraged to apply even if your experience doesn't perfectly match the job description -- your perspective and drive matter more. We welcome diverse backgrounds and people who think critically, challenge the status quo, and want to help small businesses thrive
• Have built internal tooling, admin platforms, or back-office systems, particularly in fintech, banking, or another regulated industry
• Have working knowledge of AWS services (ECS, S3, RDS, Dynamo, Lambda) and continuous deployment pipelines
• Have experience with JavaScript – we primarily use TypeScript, React, and Node.js
• Have worked in startups or high-growth tech companies