VELZI AI is looking for a Full-Stack Developer to build powerful, scalable web applications that simplify complex financial workflows. You will work across the entire technology stack, collaborating closely with engineering, product, and design teams to push the boundaries of fintech and AI.
What You'll Do
- Build fast, responsive user interfaces with React, Next.js, JavaScript, HTML, and CSS.
- Convert Figma designs into clean, accessible, pixel-perfect components.
- Optimize applications 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 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.
- Transform UI/UX designs into intuitive, high-performing interfaces.
- 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.
What We're Looking For
- 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.
- 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.
Nice to Have
- Experience with third-party OAuth (Google, Microsoft, etc.).
- Experience with AI models, LLMs, prompt engineering, RAG, and vector databases.
Technical Stack
- React, Next.js, JavaScript, HTML, CSS
- Node.js, Python
- Firebase Authentication, MongoDB
- RESTful APIs
Benefits & Compensation
- Remote-first and flexible work environment.
- Work with cutting-edge AI, automation, and the latest dev tools.
- Be part of a rapid-growth, early-stage company.
- Join a collaborative culture that values innovation, autonomy, and teamwork.
- Competitive salary and equity with generous stock options.
- Career advancement opportunities as the company scales.
Work Mode
This is a global, remote position.
VELZI AI is an equal opportunity employer.



