Full Stack Engineer II

Avici Money

Gurugram District

On-site

INR 800,000 - 1,200,000

Full time

14 days+

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Benefits offered by this job

Work directly with the founding team

Exposure to cutting-edge Web3 technologies

Competitive compensation with token/ESOP opportunities

Job summary

A fintech startup is seeking a Full Stack Developer to join their core engineering team. The role requires strong experience in JavaScript/TypeScript, Node.js, as well as backend systems and frontend interfaces using Next.js and React. Key responsibilities include developing secure APIs, designing scalable databases, and integrating blockchain interactions. Candidates should have knowledge of MySQL, MongoDB, and Web3 technologies. This position offers competitive compensation and opportunities to shape product direction.

Qualifications

Strong proficiency in JavaScript/TypeScript and Node.js ecosystem.
Hands-on experience with MySQL and MongoDB.
Practical knowledge of Next.js and React.

Responsibilities

Develop APIs using Node.js and Express.
Design database schemas and queries using MySQL and MongoDB.
Build front-end interfaces using Next.js and React.

Skills

JavaScript/TypeScript

Node.js

MySQL

MongoDB

Next.js

React

Web3.js

Viem

Express

Docker

Tools

Git

Postman

Job description

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Avici is a fintech startup changing the way people use stablecoins. Our platform enables easy spending, saving of stablecoins through an integrated solution featuring a DEFI wallet & Visa credit card.

Our purpose is to decrease the influence of central banks by building distributed internet banking infrastructure.

About Avici

Our purpose is to decrease the influence of central banks by building distributed internet banking infrastructure.

Role Overview

We’re looking for a Full Stack Developer with strong backend and frontend experience to join our core engineering team. The ideal candidate should be confident working with Node.js, MySQL, MongoDB, and Next.js, while having a good understanding of blockchain concepts and libraries like Web3.js or Viem.

You’ll be working closely with the founders to build secure APIs, scalable backend systems, and intuitive front-end interfaces for wallets, transactions, and dashboards.

Key Responsibilities

Develop, optimize, and maintain backend APIs using Node.js and Express.
Design scalable database schemas and queries using MySQL and MongoDB.
Build front-end interfaces and dashboards using Next.js and React.
Integrate smart contract interactions via Web3.js or Viem for ERC-20 tokens and on-chain activities.
Work with authentication layers, middleware, and session management (JWT, Web3Auth, etc.).
Collaborate with product and design teams to deliver smooth UX across mobile and web.
Write clean, maintainable, and testable code (TypeScript preferred).
Implement caching, queues, and performance optimization for API endpoints.
Participate in code reviews, architecture discussions, and deployment automation (Docker, Nginx).

Requirements

Strong proficiency in JavaScript/TypeScript and Node.js ecosystem.
Hands‑on experience with MySQL (joins, indexing, stored procedures) and MongoDB (aggregation pipelines).
Practical knowledge of Next.js, React, and front‑end state management (Redux/Zustand).
Understanding of RESTful APIs, WebSockets, and real‑time data flows.
Familiarity with Web3.js, Ethers.js, or Viem and ERC‑20 token standards.
Good understanding of authentication, security best practices, and error handling.
Experience using Git, Postman, and Docker for development workflows.
Ability to work independently, manage priorities, and communicate clearly.