# Full Stack Engineer

> 1Kosmos · Mumbai, India (Hybrid) · Full-time · Posted 2026-02-18

**Workplace:** hybrid

**Department:** Engineering

## Description

**Job Description - Fullstack Engineer**

**As a Full Stack Engineer, you will design, build, and enhance our authentication and ID-proofing systems, delivering seamless**

**user experiences for our clients supported by robust and scalable backend implementations.**

**In this role, you'll be responsible for front-end and back-end development, integrating various technologies to build robust**

**applications. Your contributions will directly impact how we help enterprises secure and verify identities. We are looking for**

**someone who is passionate about coding, enjoys problem-solving, and thrives in a collaborative environment**

**Experience Level: 4 - 7 yrs**

**Skillset Required: NodeJS, React, Java or Golang, ExpressJS, Mongo DB, knowledge of any of the cloud platform like**

**AWS, GCP or Azure.**

**Key Responsibilities**

• Design and develop scalable web applications using modern JavaScript frameworks (React) for front-end

solutions.

• Own the design, development, and maintenance of RESTful APIs and microservices using Node.js as the primary

technology, with support for Java or Go as needed.

• Work closely with designers to translate wireframes and figma prototypes into functional, user-friendly web

applications, ensuring optimal user experience.

• Maintain high code quality throughout the development process.

• Collaborate closely with product teams to define feature specifications and translate them into technical

requirements.

• Handle customer escalations, diagnose and resolve production issues.

• Work in an Agile environment, participating in code reviews, sprint planning, and regular stand-ups.

• Build and maintain databases, ensuring data integrity, security, and performance optimization.

• Integrate third-party services and APIs to enhance application functionality.

• Monitor application performance and troubleshoot issues, optimizing system performance as necessary.

## Requirements

Required Skills and Experience

• Bachelor’s degree in computer science or a related field, or equivalent experience.

• 4+ years of experience in full-stack development.

• Proficient in modern front-end technologies (HTML, CSS, JavaScript) and frameworks (React).

• Strong experience in back-end development using technologies such as Node.js, Java, or Go.

• Experience creating and consuming RESTful APIs and microservices architecture.

• Knowledge of database technologies, both SQL (PostgreSQL, MySQL) and NoSQL (MongoDB).

• Familiarity with version control systems (Git) and CI/CD practices.

• Experience with cloud platforms (AWS, Azure, or GCP) for deployment and scaling.

• Strong problem-solving skills, ability to troubleshoot issues, and an eagerness to learn new technologies.

• Excellent communication skills and a team-oriented mindset.

• Experience working in an Agile/Scrum environment.

## Apply

[Apply at 1Kosmos](https://apply.workable.com/1kosmos/j/51D4D6A9E0/apply)

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