Full Stack Engineer (Senior) ID55910
AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. WHY JOIN US If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Senior Full Stack Engineer to own the build-out of AI usage dashboards, billing logic, and financial insights across a founder-led product. You’ll work across Python, Node.js, React, and PostgreSQL — integrating Azure billing data, designing APIs, and shipping data-heavy UI in a low-process, high-ownership environment. A strong fit for engineers who are comfortable with incomplete requirements and want direct influence over product and architecture. WHAT YOU WILL DO - Own the implementation and integration of existing product components, including AI usage dashboards and advisor insights; - Design and build backend functionality to support billing rules, chargeback logic, and ROI calculation; - Integrate external billing data sources, including Microsoft Azure billing systems; - Build and evolve APIs and data pipelines that translate raw billing data into financial insights; - Implement frontend functionality for metrics, dashboards, and data-heavy UI views; - Make architectural decisions focused on maintainability and speed; - Collaborate with founders and product stakeholders in a low-process environment; - Ensure smooth deployment and delivery workflows using Vercel; - Improve AI-driven development workflows using tools like Claude or similar LLMs; - Design systems with strong guarantees around data integrity, auditability, and financial accuracy; - Identify technical gaps, risks, and architectural improvements and drive solutions proactively. MUST HAVES - 6+ years of experience in full-stack development; - Strong experience with Python and Node.js in production environments; - Experience designing and working with PostgreSQL schemas and data models; - Experience building frontend applications with React or similar frameworks; - Experience with AWS services in production; - Experience using AI tools such as Claude, GPT, or similar in development workflows; - Experience integrating third-party APIs, especially billing or usage-based systems; - Ability to work with incomplete requirements and build solutions; - Comfortable in early-stage product environments; - Professional working proficiency in English; - Experience integrating frontend tests into CI/CD pipelines; - Familiarity with observability and usage tracking concepts; - Upper-intermediate English level. NICE TO HAVES - Experience integrating Azure billing systems or similar APIs; - Experience building or consuming SDKs; - Experience with PHP; - Experience building financial, billing, or cost-allocation systems; - Familiarity with AI usage metrics, token-based billing, or ROI tracking models; - Experience with dashboards, tables, filters, and data-dense UI patterns; - Prior startup or founder-led product experience; - Exposure to AI tooling workflows. PERKS AND BENEFITS - Professional growth: Mentorship, TechTalks, and personalized growth roadmaps. - Competitive compensation: USD-based pay with education, fitness, and team activity budgets. - Exciting projects: Modern solutions with Fortune 500 and top product companies. - Flextime: Flexible schedule with remote and office options. Apply To This Job