11+ Authentication Jobs in Mumbai | Authentication Job openings in Mumbai

Position: Full Stack Developer (React.js + Node.js)

Experience: 2–5 Years

Location: Mumbai – Chembur West (Onsite)

Job Summary

We are looking for a Full Stack Developer with strong hands-on experience in React.js and Node.js to build scalable, secure, and high-performance web applications. The ideal candidate should be comfortable owning features end-to-end, developing responsive UI, building REST APIs, integrating databases, and supporting production systems.

Key Responsibilities

• Build responsive UI using React.js, HTML5, CSS3, JavaScript (ES6+)
• Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS)
• Work with MongoDB and MySQL (schema design, indexing, query optimization)
• Implement authentication & authorization using JWT , RBAC , Oauth
• Integrate third-party APIs, Webhooks
• Build real-time features using Socket.io / WebSockets
• Ensure performance, scalability, and security (validation, sanitization)
• Implement caching using Redis (if applicable) and optimize API response times
• Support API testing (Postman/Supertest)
• Maintain API documentation using Swagger / OpenAPI
• Debug and resolve defects, handle RCA, and support production troubleshooting with logs/monitoring
• Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery

Mandatory Skills

• React.js, Node.js, JavaScript (ES6+)
• MongoDB (must), MySQL
• REST API development & integration
• Socket.io / WebSockets, Webhooks
• HTML5, CSS3
• Git
• Typescript, Express.js / NestJS
• jQuery / AJAX (basic / legacy support)

Good to Have

• Redis, Swagger/OpenAPI
• Docker, CI/CD (GitHub Actions/Jenkins)
• Cloud exposure (AWS/Azure/GCP)

Qualification

BE / BTech / MCA / MSc IT / BSc IT with 2–5 years relevant experience.

CTC: As per industry std.

Experience: 8-15 Years

Qualification: BE / B. Tech 

Location: Pune, Remote

Technical Know -How: React.js/ReactJs, Java Spring Boot, Spring Framework, Java Spring developers, Rest API, Microservices, front end and Back-end technologies etc.

Key Responsibilities

• Work with team of Java & Springboot Developers in the design, development, and maintenance of applications.
• Work with business stakeholders and technical teams to gather and analyze requirements for Java & Springboot applications.
• Lead a team of developers in building scalable, secure, and high-performance applications using React and Spring Boot.
• Drive end-to-end ownership of application development including requirement analysis, design, coding, testing, and deployment.
• Collaborate with product owners, architects, and cross-functional teams to define and deliver high-quality solutions.
• Ensure adherence to coding standards, best practices, and agile development methodologies.
• Mentor and guide team members, conduct code reviews, and encourage technical excellence.
• Oversee application performance tuning, debugging, and troubleshooting in production and non-production environments.
• Participate in architectural discussions and contribute to technology roadmaps.

Required Skills & Experience

• Bachelor’s degree in computer science, computer engineering or similar.
• Excellent communication skills.
• Critical thinker and good problem-solver.
• 8–15 years of overall software development experience, with at least 3 + years in a lead/mentorship role.
• Strong proficiency in React.js, JavaScript/TypeScript, HTML5, CSS3, Redux, and related libraries/frameworks.
• Solid backend development experience using Spring Boot, Spring Security, REST APIs, and Microservices architecture.
• Strong understanding of Test Driven Development ( Junit)
• Write efficient and well-structured code to implement business logic and functionality on the Java platform.
• Perform unit testing and debugging to ensure the quality and reliability of developed applications.
• Maintain and enhance existing Java & Springboot applications by troubleshooting issues, implementing bug fixes, and optimizing performance.
• Strong understanding of RDBMS/NoSQL databases (e.g., MySQL, MongoDB / Azure Cosmos DB).
• Experience with cloud platforms (AWS / Azure / GCP) and containerization (Docker, Kubernetes).
• Proficiency in version control (Git), CI/CD pipelines, and DevOps practices.
• Strong problem-solving skills, debugging expertise, and performance optimization experience.
• Excellent communication and leadership skills with the ability to drive technical discussions
• Good knowledge of security best practices (OAuth2, JWT, SSO, etc.).
• Good to have experience with message brokers (Kafka, Azure Service Bus).

Python/Django Developer will be responsible for implementing the relevant Server-Side Architecture for a Web Application based on the client's requirement for new and existing products. The primary focus will be on the development of software packages ensuring high quality and ease of usability to requests from various teams.

Duties & Responsibilities:

- Writing reusable, testable and efficient code 

- Design and Implementation of low-latency, user-friendly web and mobile-based applications 

- Devise and develop user-friendly software solutions for automation of industry processes 

- Contribute to design reviews and discussions across software teams. 

- Following strict security protocols without any deviation is of prime importance.

- Implementing DevOps in all projects and establishing best practices in the team.

Preferred Skills & Knowledge:

- Strong programming skills in Python/Django

- Experience with Angular, JavaScript frameworks/libraries

- Hands-on experience with MySQL, PostgreSQL or other RDBMS

- Experience with Web application security and secure coding practices

- Strong Analytical thinking and problem-solving ability

- Familiarity with software collaboration tools - GIT

- Ability to work with a distributed and diverse team of researchers and developers.

- Excellent English language communication skills, both written and verbal.

- High level of innovation and motivation

• You're proficient in Node.js/Javascript with a strong foundation in NoSQL/ SQL 
• You're proficient in React and strong frontend javascript foundation 
• Knowing GoLang and/or Solidity is a definite plus but not a requirement
• You have a passion for writing code as well as understanding and crafting the ways systems interact
• You have experience deploying to and implementing solutions in AWS
• You believe in the benefits of agile processes and shipping code often
• You are pragmatic and work to coalesce requirements into reasonable solutions that provide value

• Deploy well-tested, maintainable and scalable software solutions
• Take end-to-end ownership of the technology stack and product 
• Collaborate with other engineers to architect scalable technical solutions
• Embrace and improve our standards and processes to reduce friction and unlock efficiency

Current Ecosystem : 
ShibaSwap : https://shibaswap.com/#/" target="_blank">https://shibaswap.com/#/

Metaverse : https://shib.io/#/" target="_blank">https://shib.io/#/

NFTs : https://opensea.io/collection/theshiboshis" target="_blank">https://opensea.io/collection/theshiboshis

Game: Shiba Eternity on iOS and Android

Job Description

We are looking for a skilled and ambitious Full-Stack Developer (React/React-Native, PHP, and NodeJs )to join our development team. In this role, you will be responsible for developing and implementing applications using React.js, NodeJS, PHP, and its libraries such as Redux, Redux-Saga, ExpressJs, Laravel. You will also be responsible for profiling and improving performance and documenting the codebase. To ensure success as a Full Stack developer, you should have in-depth knowledge of Javascript (ES6 or above), NodeJS, PHP 7.x, MySQL and its concepts, excellent coding skills, and a good understanding of progressive web applications.

Full Stack Developer Responsibilities:

• Reviewing application requirements and interface designs.
• Identifying web-based user interactions.
• Understand the past code and improve when needed.
• Develop components in a scalar way so, can be used again.
• Developing and implementing front-end + back-end architecture to support user interface concepts.
• Monitoring and improving application performance.
• Documenting application changes and developing updates.

Full Stack Developer Requirements:

• In-depth knowledge of Javascript, CSS, and HTML.
• In-depth knowledge of REACT libraries like Webpack, Redux, Redux-Saga and React Router.
• In-depth knowledge of NodeJs, ExpressJs, PHP, Laravel Framework
• Experience with User interface design and development.
• Experience with browser-based debugging and performance testing software
• Excellent troubleshooting skills.
• Build high-quality user interfaces from design mockups.
• Good project management skills and communication skills
• Collaborate with Product, Design, and other developers to understand requirements.
• Write tests to ensure high-grade code.
• Adhere to code style and code quality standards.
• Provide code review feedback to teammates.
• Good understanding of AWS infrastructure.

• 2 to 4 years experience in MERN stack
• Good problem-solving technique
• Knowledge of AWS ecosystem is a plus
• Experience in FinTech is a big plus