Full Stack Developer

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About the job

Location: Remote | Type: Full-time | Compensation:Competitive salary + stock options

About VELZI AI

At VELZI AI, were redefining finance for the modern business. Our mission is to eliminate manual accounting through cutting-edge AI automation. From procurement to financial reporting, our intelligent SaaS platform streamlines every stepso companies can focus on growth, not spreadsheets.

Were a fast-growing, AI-driven fintech startup backed by innovation and a clear vision. Now, we're looking for a Full-Stack Developerto help bring this vision to life.

About the Role

As a Full-Stack Developer at Velzi AI, youll work across the stack to create powerful, scalable web applications that delight users and simplify complex financial workflows. Youll collaborate closely with our engineering, product, and design teams to push the boundaries of whats possible with fintech and AI.

Tasks

What Youll Do

Frontend Development

• 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

Backend & Middleware

• 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

• Understand and apply concepts from both RDBMS and NoSQLsystems

API & System Integration

• Design and consume both private and public APIs

• Troubleshoot integration issues and ensure secure, efficient communication between services

• Bonus: Experience with third-party OAuth (Google, Microsoft, etc.)

UI/UX Implementation

• Transform UI/UX designs into intuitive, high-performing interfaces

• Ensure accessibility and responsive design across devices

Collaboration & Code Quality

• 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

What Were 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

• Bonus: Experience with AI models, LLMs, prompt engineering, RAG, and vector databases

• Youre a versatile professionalcomfortable working across different stacks and tools

• Youre a problem-solver who thrives in ambiguity and loves building from 0 to 1

• Youre a self-starter who enjoys ownership but also thrives in a collaborative, feedback-driven team

Benefits

Why Join VELZI AI?

• 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

How to Apply

Ready to build the future of finance?

Click Apply and lets start building AI-powered financial automation together.

Join VELZI AI. Automate boldly. Build brilliantly.

Desired Skills and Experience

HTML

CSS

JavaScript

Note.js

Next.js

React.js

MongoDB

Python

PostgreSQL

API design; REST, gPRC or GraphQL