Jr. Full Stack Developer

Optiminastic; Mumbai; On-site; INR 350,000 - 550,000; Full time

Job summary

Optiminastic is seeking a Junior Full Stack Developer in Mumbai to join our growing in-house tech team. You will contribute to both frontend and backend, working with senior developers and cross-functional teams to build and maintain scalable web applications.

This role is ideal for someone at the early stage of their career who is eager to learn, take ownership, and grow with the organization, embracing accountability, innovation, and long-term growth opportunities.

Qualifications

• Evidence of problem-solving abilities and attention to detail.
• Ability to collaborate with cross-functional teams and stakeholders.
• Willingness to learn and take ownership in a fast-paced environment.
• Familiarity with frontend and backend development practices and best practices.

Responsibilities

• Develop, test, and deploy scalable front-end and back-end features.
• Collaborate with designers, product managers, and other developers to deliver high-impact solutions.
• Write clean, maintainable, and well-documented code.
• Integrate third-party APIs and create efficient internal APIs.
• Optimize applications for speed, performance, and security.
• Troubleshoot, debug, and resolve technical issues.
• Participate in code reviews and contribute to improving development processes.
• Stay up to date with emerging technologies and recommend improvements.

Skills

Problem-solving

Team collaboration

Tools

React

Angular

Vue

Node.js

Express.js

MongoDB

MySQL

PostgreSQL

Git

Job description

At Optiminastic, we are building a strong in-house tech team to support our next phase of growth after 7+ years of delivering impactful solutions for domestic and international brands. As we aim to regain market share and scale our capabilities in 2026, technology and talent will be at the core of everything we do.

We are looking for a Junior Full Stack Developer who is eager to learn, take ownership, and grow with the organization. In this role, you will work closely with senior developers, designers, and cross-functional teams to build, enhance, and maintain web applications that drive business outcomes. You will contribute across both frontend and backend development, gaining hands‑on exposure to real‑world projects in a fast‑paced, collaborative environment.

This role is ideal for someone who is in the initial phase of their career, curious, detail‑oriented, and motivated to strengthen their full stack development skills while being part of a team that values accountability, innovation, and long‑term growth. We will expect commitment and initiative, and in return, offer meaningful learning opportunities and the chance to build a solid foundation for your tech career.

Key Responsibilities

• Develop, test, and deploy scalable front‑end and back‑end features.
• Collaborate with designers, product managers, and other developers to deliver high‑impact solutions.
• Write clean, maintainable, and well‑documented code.
• Integrate third‑party APIs and create efficient internal APIs.
• Optimize applications for speed, performance, and security.
• Troubleshoot, debug, and resolve technical issues.
• Participate in code reviews and contribute to improving development processes.
• Stay up to date with emerging technologies and recommend improvements.

What we're looking for

• Hands‑on experience with front‑end frameworks such as React, Angular, or Vue.
• Solid understanding of Node.js, Express.js, or similar back‑end technologies.
• Good knowledge of databases (MongoDB, MySQL, or PostgreSQL).
• Understanding of RESTful APIs, authentication, and authorization.
• Experience with Git and version control workflows.
• Ability to write clean, modular code and follow best practices.
• Good problem‑solving skills and attention to detail.