Senior Full-Stack Developer (Full-time Remote)

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

As a Senior/Lead Full-Stack Engineer, you will help build a financial intelligence platform designed for AI consumption, turning complex data into actionable insights. This is a full-time role starting with a focused 6-month project, offering strong autonomy and fast execution in a product-driven environment. You will act as a hands-on utility player, working across frontend, backend, integrations, and light architecture while shaping a cohesive, customer-ready system. Successful delivery opens the opportunity to continue on other impactful projects.

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 for AI usage;
• Integrate external billing data sources, starting with cloud billing systems;
• Build and evolve APIs and data pipelines that translate raw billing data into usable financial insights;
• Implement frontend functionality to surface metrics, dashboards, and data-heavy UI views clearly and pragmatically;
• Make sound architectural decisions at a medium level of complexity, prioritizing maintainability and speed;
• Collaborate closely with product stakeholders, operating with minimal process overhead;
• Ensure smooth deployment and delivery workflows using Vercel;
• Contribute to overall product cohesion by connecting disparate parts into a single, usable experience;
• Work full-time on a 6-month project , with the opportunity to continue on other projects afterward.

MUST HAVES

• 4+ years of experience and strong full-stack background with proven ability to move across frontend, backend, and integrations;
• Solid experience with Python and Node.js in production environments;
• Experience designing and working with PostgreSQL schemas and data models ;
• Direct experience integrating cloud billing systems or similar cost and usage APIs ;
• Experience building frontend applications deployed via Vercel (React or similar frameworks);
• Strong experience consuming and integrating third-party APIs, especially billing or usage-based systems;
• Demonstrated ability to work with incomplete requirements and turn them into working solutions;
• Comfortable operating in early-stage product environments with limited structure;
• Professional working proficiency in English;
• Experience integrating frontend tests into CI/CD pipelines (GitHub Actions or similar);
• Familiarity with observability and usage tracking concepts (e.g., OpenTelemetry or similar telemetry systems);
• Experience building or consuming SDKs.

NICE TO HAVES

• Experience with PHP;
• Experience building financial, billing, or cost-allocation systems;
• Familiarity with AI usage metrics, token-based billing, or ROI tracking models;
• Experience working on 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.