Mid-Level Full-Stack Engineer

About the role

We are seeking a Mid-Level Full-Stack Engineer to join a fast‑growing fintech company that provides a payment‑provider orchestration platform. You will work across the entire product stack, from UI to API to data, and take ownership of features from conception to production.

Key responsibilities

• Design and implement end‑to‑end product features using TypeScript, React, Next.js and Node.js.
• Create responsive, accessible, and polished user interfaces.
• Design, build, and integrate REST APIs with Express.
• Model and query relational data using PostgreSQL and Drizzle ORM.
• Define and validate application boundaries with Zod.
• Collaborate with product, design and engineering teams to shape feature requirements.
• Write unit, integration and end‑to‑end tests.
• Use AI coding tools (Claude Code CLI, Codex CLI) daily and enforce high quality standards for AI‑generated code.
• Work with AI frameworks and APIs as part of the product development.

Required profile

• Mid‑level experience building full‑stack web applications.
• Comfortable owning features from design through production.
• Willingness to adopt AI‑assisted development and help define best practices.
• Ability to work closely with cross‑functional teams.

Required skills

• TypeScript
• React
• Next.js
• Tailwind CSS
• Node.js
• Express
• PostgreSQL
• Drizzle ORM
• Zod
• AWS
• Git
• Claude Code CLI
• Codex CLI