Full-Stack Developer
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Job Description
Full-Stack Developer creating scalable web applications for AI-driven fintech startup. Collaborating with engineering, product, and design teams in a remote work environment.
Responsibilities:
- As a Full-Stack Developer at VELZI AI, you’ll work across the stack to create powerful, scalable web applications that delight users and simplify complex financial workflows.
- You’ll collaborate closely with our engineering, product, and design teams to push the boundaries of what’s possible with fintech and AI.
- Build fast, responsive UIs with React, Next.js, JavaScript, HTML, and CSS.
- Convert Figma designs into clean, accessible, pixel-perfect components.
- Optimize for speed, security, and performance.
- Develop server-side logic with Node.js and Python.
- Build and scale RESTful APIs, handle secure integrations, and manage system performance.
- Work with both Firebase Authentication and MongoDB, optimizing data flow and structure.
- Design and consume both private and public APIs.
- Troubleshoot integration issues and ensure secure, efficient communication between services.
- Ensure accessibility and responsive design across devices.
- Work within an Agile team environment using SOLID principles and best practices.
- Conduct code reviews, share learnings, and mentor junior developers.
- Collaborate cross-functionally with product, design, and other engineering team members.
Requirements:
- Relevant work experience and completed technical education
- Strong foundation in JavaScript, Node.js, and Python
- Experience building cloud functions, managing authentication, and optimizing performance
- Proven ability to build responsive UIs and translate Figma into front-end code
- Solid understanding of API architecture and integration
- Comfort working with Firebase, MongoDB, and cloud-native tools
- Bonus: Experience with AI models, LLMs, prompt engineering, RAG, and vector databases
- You’re a versatile professional —comfortable working across different stacks and tools
- You’re a problem-solver who thrives in ambiguity and loves building from 0 to 1
- You’re a self-starter who enjoys ownership but also thrives in a collaborative, feedback-driven team
Benefits:
- Remote-first & flexible – Work from wherever you do your best work
- Cutting-edge tech – Work with AI, automation, and the latest dev tools
- Rapid growth – Be part of an early-stage rocket ship
- Collaborative culture – Join a team that values innovation, autonomy, and teamwork
- Competitive salary & equity – Get well-compensated with generous stock options
- Career advancement – As we scale, so do your opportunities
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