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.

Job Title: MERN Full Stack Developer (2+ Years Experience)

Location: Borivali

Experience Required: 2+ Years

Employment Type: Full-time

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Job Summary

We are looking for a skilled MERN Full Stack Developer with 2+ years of hands-on experience in building scalable web applications using the MERN stack. The ideal candidate should also have practical exposure to AI tools and integrations, and be comfortable working in a fast-paced, product-driven environment.

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Primary Skills (Mandatory)

• Strong experience in MongoDB, Express.js, React.js, Node.js
• Proficiency in JavaScript (ES6+)
• Experience building RESTful APIs
• Frontend development using React (Hooks, Context API)
• Backend development using Node.js and Express
• Database design and optimization using MongoDB
• Version control using Git

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AI Tools & Integration Experience (Required)

• Experience working with AI tools such as ChatGPT/OpenAI APIs or similar AI platforms
• Integrating AI APIs into web applications
• Basic understanding of prompt engineering
• Experience using AI for automation, content generation, data processing, or workflow optimization
• Familiarity with vector databases or embeddings (good to have)

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Key Responsibilities

• Develop and maintain full-stack web applications using MERN stack
• Design and develop scalable REST APIs
• Integrate third-party services and AI-based tools into applications
• Optimize applications for performance and scalability
• Collaborate with UI/UX designers and product teams
• Write clean, maintainable, and well-documented code
• Participate in code reviews and debugging

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Good to Have

• Experience with TypeScript
• Knowledge of cloud platforms (AWS, Azure, or GCP)
• Understanding of CI/CD pipelines
• Experience with Docker
• Basic understanding of microservices architecture

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Candidate Profile

• 2+ years of relevant experience in full-stack development
• Strong problem-solving and logical thinking skills
• Ability to work independently and in a team
• Good communication skills

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Job Types: Full-time, Permanent

Work Location: In person

Senior Full Stack Developer – Analytics Dashboard

Job Summary

We are seeking an experienced Full Stack Developer to design and build a scalable, data-driven analytics dashboard platform. The role involves developing a modern web application that integrates with multiple external data sources, processes large datasets, and presents actionable insights through interactive dashboards.

The ideal candidate should be comfortable working across the full stack and have strong experience in building analytical or reporting systems.

Key Responsibilities

• Design and develop a full-stack web application using modern technologies.
• Build scalable backend APIs to handle data ingestion, processing, and storage.
• Develop interactive dashboards and data visualisations for business reporting.
• Implement secure user authentication and role-based access.
• Integrate with third-party APIs using OAuth and REST protocols.
• Design efficient database schemas for analytical workloads.
• Implement background jobs and scheduled tasks for data syncing.
• Ensure performance, scalability, and reliability of the system.
• Write clean, maintainable, and well-documented code.
• Collaborate with product and design teams to translate requirements into features.

Required Technical Skills

Frontend

• Strong experience with React.js
• Experience with Next.js
• Knowledge of modern UI frameworks (Tailwind, MUI, Ant Design, etc.)
• Experience building dashboards using chart libraries (Recharts, Chart.js, D3, etc.)

Backend

• Strong experience with Node.js (Express or NestJS)
• REST and/or GraphQL API development
• Background job systems (cron, queues, schedulers)
• Experience with OAuth-based integrations

Database

• Strong experience with PostgreSQL
• Data modelling and performance optimisation
• Writing complex analytical SQL queries

DevOps / Infrastructure

• Cloud platforms (AWS)
• Docker and basic containerisation
• CI/CD pipelines
• Git-based workflows

Experience & Qualifications

• 5+ years of professional full stack development experience.
• Proven experience building production-grade web applications.
• Prior experience with analytics, dashboards, or data platforms is highly preferred.
• Strong problem-solving and system design skills.
• Comfortable working in a fast-paced, product-oriented environment.

Nice to Have (Bonus Skills)

• Experience with data pipelines or ETL systems.
• Knowledge of Redis or caching systems.
• Experience with SaaS products or B2B platforms.
• Basic understanding of data science or machine learning concepts.
• Familiarity with time-series data and reporting systems.
• Familiarity with meta ads/Google ads API

Soft Skills

• Strong communication skills.
• Ability to work independently and take ownership.
• Attention to detail and focus on code quality.
• Comfortable working with ambiguous requirements.

Position: Full Stack Developer

Job Location: Mumbai

About BharatNXT

BharatNXT helps unlock the power of the under-utilized credit card that resides in your wallet. We provide the wings to your credit card, to become the Super Hero that you need in your time of need or to improve the working cashflows for your business.

- Through BharatNXT, any business can now pay your suppliers, rent, tax and compliance costs while unlocking discounts and the extra credit days that is available through your card.

Job Description

Roles and Responsibilities

• Determining development requirements and developing work schedules for the team.
• Delegating tasks and achieving daily, weekly, and monthly goals.
• Champion the adherence and implementation of best practices, processes, and standards.
• Perform code reviews and mentor the team. Ensure code meets functional, compatibility and security requirements.
• Take on complex development tasks and execute them efficiently and effectively.
• Translate application storyboards and use cases into functional applications. Clearly articulate the solutions and get there in most efficient way 
• Design and develop UI and back-end features for the enterprise platform.
• Help design, build, document and maintain the platform
• Identify risks and areas of improvement and take steps to address the risks and ensure continuous improvement.
• Analysing existing operations and scheduling training sessions and meetings to discuss improvements.
• Keeping up-to-date with industry trends and developments.
• Provide timely updates to relevant stakeholders via reports and meetings.
• Constantly be on the lookout for ways to improve the system, discover issues and deliver better value to the customer

Candidates Profile

• 4-6 years of hands-on experience developing complex enterprise software systems
• Hands-on experience refactoring code, writing modular reusable code and implementing microservices architecture.
• Proficient in system design and architecture best practices.
• Strong organizational and project management skills.
• Experience with Linux based environments
• Bachelor’s degree in computer science, engineering, or a related field.
• Proficiency in Java, Spring boot Framework, HTML, Javascript, CSS, Angular, MySQL,
• Proficiency in GIT, Jenkins, SonarQube, etc
• Familiarity with cloud-based deployment and architecture.
• Excellent technical, diagnostic, and troubleshooting skills.
• Strong leadership and organizational abilities.
• Knowledge and experience adhering to software development life cycle best practices including test-driven development (TDD), unit testing discipline, agile development, and CI/CD strategies. 
• An ability to translate real business problems into technical solutions. 
• Solid understanding of REST APIs
• Domain expertise in BFSI domain (more specifically Supply Chain Financing, dynamic discounting) is a plus
• Passionate about building quality software and scaling technology to meet the needs of tomorrow
• Writing testable software every day, with a focus on incremental innovation
• Keen to learn about new technologies and business innovations across industry 
• Keen to work in a dynamic fast paced startup environment
• Excellent communication skills that would help in sharing ideas with peers and the senior management

Sr Software Engineer

Opportunity in this role / Why should you join our client?

- You are your own master. We don't preach you, we just allow you to Innovate, Iterate, Learn and Adapt

- Work with one of India's leading food tech unicorn company

- ESOPs in the company

Requirements

- Strong coding and problem-solving skills

- 4-6 years of industry experience

- Bachelors and/or master’s degree, preferably in CS, or equivalent experience

- A full-stack generalist with experience in both front-end and back-end technologies

- Experience in Node.

- Experience in JavaScript frameworks like React, NodeJS.

- Ability to write MySQL queries across tables

- Good architecture and system design skills

Roles and responsibilities

Passion for delivering products end-to-end, from ideation to implementation

Good knowledge of data structures and their use cases (Map, List, Tuple, Object, Interface)

Ability to write using node.js to quickly do a PoC.

Good to have knowledge of Reactjs.

Knowledge of encapsulation/inheritance

Basic knowledge of CSS and principle behind it and its use in javascript or jquery

Candidates willing to relocate to Middle East would be preferred

1. Roles & Responsibilities -
   
   * We are looking for full-stack/back-end developers.
   * Our ideal candidate will be able to build applications from scratch and deliver
   a complete project i.e. understand requirements, design architecture, write reusable code that follows basic coding standards, test, deploy and support/follow-up features.
   * As a start-up, we are keen to work with people who are passionate about technology and who love the speed, chaos, and versatility of start-ups.
   
   Skills and Qualifications -
   
   * Team player with strong work ethic; Detail and deadline-oriented; Take ownership of tasks.
   * Good with version control systems like Git.
   * Professional understanding of CS fundamentals, data structures and algorithms.
   * Knowledge of Python is preferred.
   * Hands-on experience with front-end technologies - HTML5, CSS3, Bootstrap library & JavaScript/jQuery.
   * Knowledge of Angular 2/ReactJs is a plus.
   * Knowledge of Rest API is a plus.
   
   
   Perks -
   * Competetive compensation
   * MaBook
   * Friendly Leave Policy

Expected Skills :-

• Knowledge/Application of data structures and algorithms.-
• Problem-solving attitude : This means when you face a problem (not necessarily technical), your natural reaction is "How can I solve it best" rather than "How can I get out of it/avoid it/overlook it"-
• Working knowledge in Java(SpringFramework) is a must.
• Working knowledge in ReactJs is a plus.- Working knowledge in Python, MongoDB is a plus.
• The founding team has extensive experience in launching and scaling up fintech products & New business verticals. The founders have rich leadership experience across Consulting, fintech and payment companies

• Working with the product team to develop new features focused on improving the user experience
• Improving existing features and working on streamlining client implementations through improved tools
• Improving our technical architecture and building out a continuous integration pipeline
• Modernizing our front-end in new frameworks
• Everything else - our team is small and you'll likely be involved in almost every tech-related thing going on
  
  

Requirements

• 1+ years of experience building consumer-facing web apps
• You are interested in the full-stack opportunity and love building a feature from start to finish
• Self-starter with a deep interest in tech - we want someone who will come in with opinions, and shape our engineering practices and decisions for the better
• An eye for design - you'll have an important role in making the product look great
• Believe in our mission and love the idea of working in education to help students succeed
  
  

Technologies you'll work with:

• NodeJS, http://sails.js/">Sails.JS
• http://react.js/">React.js, Redux, Redux-Saga
• Kubernetes, Postgres, ElasticSearch, Redis, RabbitMQ
• Whatever else you decide - we're constantly re-evaluating our stack and tools
• Having prior experience with the technologies is a plus, but not mandatory for skilled candidates.

Benefits

• Remote Option - You can work from any location of your choice
• Reimbursement of Home Office Setup
• Competitive Salary
• Friendly atmosphere
• Flexible paid vacation policy

Job Summary

• Excellent hands-on experience with Go lang (if not Golang, in either JAVA, DotNet and/or NodeJS)
• Write CRONs and background tasks required for the growth of business and product
• Build REST APIs as required
• Ability to code using design principles
• Write reusable code and libraries for future use
• Have the working knowledge of Microservices Architecture using Docker
• Collaborate with other team members and stakeholders in executing various new and existing ideas
• Possesses the knowledge of developing and deploying in Linux environments
• Passion for building great products and loads of energy.

Key Skills
Skills that we would be more than happy for a dev to have: - Worked in CI/CD environments - Developed code using TDD/BDD approach. - Worked with Virtualization on Linux (KVM) - Experience in working in Agile development environment 

About You

We’re looking for exceptional Engineers with an amazing breadth and depth of technology expertise! If you’re the kind of person that looks at the bigger picture and want to build something that has a real impact on the end user, go ahead and apply for the position.

Ability to see the big picture but still love to code!

Strong in backend languages, such as Java, DotNet or NodeJS!

Familiar with client-side frameworks such as React, Angular, Vue etc.

Strong HTML/CSS skills – you understand not only how to build the data, but how to make it look great too.

Knowledge of architectural design and you like to build something scalable and flexible to support business

Agile or Scrum is your favorite development approach.

And when we start talking about performance, security and unit testing? Well that’s music to your ears