11+ Authentication Jobs in Mumbai | Authentication Job openings in Mumbai
Apply to 11+ Authentication Jobs in Mumbai on CutShort.io. Explore the latest Authentication Job opportunities across top companies like Google, Amazon & Adobe.
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.
About us
Cere Labs is a Mumbai based company working in the field of Artificial Intelligence. It is a product company that utilizes the latest technologies such as Python, Redis, neo4j, MVC, Docker, Kubernetes to build its AI platform. Cere Labs’ clients are primarily from the Banking and Finance domain in India and US. The company has a great environment for its employees to learn and grow in technology.
Software Developer
Job brief
Cere Labs is seeking to hire a skilled and passionate software developer to help with the development of our current projects and product. Your duties will primarily revolve around building software by writing code, as well as modifying software to fix errors, improve its performance. You will also be involved in writing of the test cases and testing
To be successful in this role, you will need extensive knowledge of programming languages like Java, Python, Java Script, React.
Ultimately, the role of the Software Engineer is to build high-quality, innovative and fully performing software that complies with coding standards and technical design
Responsibilities
- Develop flowcharts, layouts and documentation to identify requirements and solutions
- Write well-designed, testable code
- Develop software verification plans and quality assurance procedures
- Document and maintain software functionality
- Troubleshoot, debug and upgrade existing systems
- Deploy programs and test the deployed code
- Comply with project plans and industry standards
Requirements
- BE (CS/IT) degree in Computer Science
- Ability to understand the requirements given and generate the design based on specification given.
- Ability to develop unit testing of code components or complete applications.
- Must be a full-stack developer and understand concepts of software engineering.
- Ability to develop software in Python, Java, Java Script
- Excellent knowledge of relational databases, MySQL and ORM technologies (JPA2, Hibernate), in-memory data stores such as Redis
- Experience developing web applications using at least one popular web framework (JSF, Spring MVC, React) is preferred
- Experience with test-driven development
- Proficiency in software engineering tools including popular IDE’s such as PyCharm, Visual Studio Code and Eclipse
- Proven work experience as a Software Engineer or Software Developer will be an added advantage
Working conditions
Hours: 9:00 AM to 6:00 PM
Weekly off: Sunday, First and Third Saturdays
Mode: Work from office
Recruitment process
The selection process includes:
- Written test
- Technical interview
- Final interview
Compensation
CTC: Rs. 3-4 lacs pa, depending on performance in the selection process.
Job Summary:
We are looking for a skilled and motivated .NET Full Stack Developer with strong expertise in .NET Core, React, and Microservices architecture. The ideal candidate will be responsible for designing, developing, and maintaining scalable, high-performance applications while collaborating with cross-functional teams.
Key Responsibilities:
- Design, develop, and maintain web applications using .NET Core / ASP.NET Core and React.js
- Build and implement microservices-based architecture for scalable systems
- Develop and consume RESTful APIs
- Collaborate with UI/UX designers to implement responsive and user-friendly interfaces
- Ensure code quality through unit testing, code reviews, and best practices
- Work with databases such as SQL Server / NoSQL databases
- Optimize applications for maximum speed and scalability
- Participate in Agile ceremonies like sprint planning, stand-ups, and retrospectives
- Troubleshoot and debug production issues
Required Skills:
- Strong experience in C#, .NET Core, ASP.NET Core
- Hands-on experience with React.js, JavaScript, HTML, CSS
- Solid understanding of Microservices architecture
- Experience in building and consuming REST APIs
- Knowledge of Entity Framework / ORM tools
- Experience with SQL Server / PostgreSQL / MongoDB
- Familiarity with Git / version control systems
- Understanding of design patterns and clean architecture
Job Overview:
We are looking for a skilled Full Stack Developer with strong expertise in .NET/C#, React or Angular, and Azure basics to design, develop, and deploy modern web applications. The ideal candidate should have solid experience building scalable, secure, and high-performance solutions, with a passion for clean code and collaboration.
Key Responsibilities:
- Design, develop, and maintain web applications using C#, .NET Core, and SQL Server.
- Build responsive front-end user interfaces using React or Angular with TypeScript.
- Integrate and consume RESTful APIs and ensure smooth front-end/back-end communication.
- Deploy and manage applications on Microsoft Azure using basic PaaS services (e.g., App Services, Functions, Storage, Key Vault).
- Collaborate with cross-functional teams to gather requirements, define architecture, and deliver solutions.
- Write clean, testable, and maintainable code following best practices and participate in code reviews.
- Troubleshoot, debug, and optimize application performance.
- Follow Agile development practices for planning, testing, and delivery.
Required Skills and Experience:
- Strong hands-on experience with C#, .NET Core/.NET 6+, and object-oriented programming.
- Proficiency in front-end frameworks like React or Angular with TypeScript, HTML, and CSS.
- Experience working with SQL Server or other relational databases.
- Basic knowledge of Microsoft Azure services such as App Services, Functions, Storage, and Key Vault.
- Familiarity with REST APIs, version control systems (e.g., Git), and CI/CD pipelines.
- Good understanding of software development best practices (SOLID principles, unit testing).
- Strong problem-solving and communication skills.
Preferred Qualifications:
- Experience with Azure DevOps or similar tools for build and release pipelines.
- Exposure to containerized applications (e.g., Docker, Kubernetes).
- Knowledge of Agile methodologies (Scrum or Kanban).
We are hiring a Founding Engineer to anchor our engineering team. We’re looking for an enterprising and climate-conscious young engineer to build scalable financial systems and innovate on the future of climate finance. You will help build the first version of our product(s) and work
directly with our founders. The ideal candidate has demonstrated experience in product development at an early stage and an interest in climate tech. Bonus points if you’ve worked on marketplaces or lending products at a FinTech in a previous role.
Location: Hybrid / In-office (Mumbai) depending on preference
Role Type: Full-time
What you’ll be doing
• Lead the development of first product(s) across all phases of software and web
development including ideation, prototyping, design, production, and maintenance.
• Work closely with founders and internal/external stakeholders to build products, tools, and
services from scratch and deliver high-quality software solutions.
• Be actively involved in requirements gathering, customer interviews and the creation of
robust product solutions.
• Brainstorm and lay the foundations of the technology and architectural roadmap as well as
the development processes.
• Share your technical expertise to help the team make thoughtful and scalable design
decisions and identify performance bottlenecks to troubleshoot quickly.
• Manage product development priorities, deadlines, and deliverables.
• Hire and manage a small team of engineers (internal/outsourced).
• Ensure high-performant and responsive web applications and websites.
Skills & Qualities we’re looking for
Hard Skills
• Bachelor’s/Master’s degree in Computer Science (or equivalent experience).
• 4-7 years of experience as a full-stack developer (rare exceptions for highly skilled
developers) at a fast-paced, preferably early / growth stage start-up.
• Proficient with frontend technologies - HTML, CSS, JavaScript & ReactJS/VueJS.
• Proficient with backend technologies - Java/NodeJs/Golang/Python/Ruby.
• Hands-on experience working with any cloud AWS/GCP/Azure/DigitalOcean.
• Knowledge of codebases and version control systems (Git).
• Well-versed with SQL database design & RDBMS concepts.
• Strong arithmetic reasoning, logical and analytical thinking skills.
• Strong knowledge of code quality maintenance and performance analysis.
Soft skills
• Thoughtful problem-solving: We expect you to solve problems. Solving starts with a clear
and accurate understanding of the context. You can decompose tricky problems and work
towards a clean solution, by yourself or with teammates. You're comfortable asking for help
when you get stuck.
• Pragmatic and business-oriented: You care about the business impact of what you're
building, and you prioritise projects accordingly. You're not just going after cool stuff—you
understand the balance between craft, speed, and the bottom line.
• The right attitude toward a sense of urgency, risk, and ambiguity that comes naturally with
working at an early-stage startup.
• Clear communication skills so you can easily convey your thoughts, opinions, and feelings to
customers and teammates.
• Comfortable working in a fluid, growing organisation with minimal supervision.
• Not ideological about technology: To you, technologies and programming languages are
about tradeoffs. You may be opinionated, but you're not ideological and can learn new
technologies as you go.
• Equally effective in individual contributor or team management roles.
Bonus Points if you
• Have a genuine passion for our mission - to solve climate change and its challenges.
• Have worked on the creation of marketplace products/loan management systems (LMS) or
risk assessment solutions.
• Understand object-oriented design principles and design patterns.
• Are familiar with Authentication, Security, XSD, and System Integration concepts.
• Are proficient at product testing - with and without QA support.
• Have experience in agile software development methodologies.
• Have interests outside of technology - could be in any unrelated field (design, sports,
economics, business etc.)
Why Work with us
Aside from being a highly-motivated, mission-driven organisation we offer:
• Highly competitive salaries including attractive stock options.
• Flexibility with location (Remote / In-person) and working hours.
• 25-days paid leave every year + top-ups for key life events.
• Unlimited sick leave.
• Insurance for you and your spouse.
• A yearly learning allowance to go learn a new skill / develop new talent.
• A yearly allowance to use towards the improvement of your physical and mental health.
Job Requirements
Must have:
- Experience working on Node.js with Typescript and Express.
- Experience working with SQL and NoSQL databases. Experience with PostgreSQL and DynamoDB would be preferred.
Nice to have:
- Experience in ReactJS and its main fundamentals like JSX, Virtual DOM, component lifecycle, etc.
- Strong proficiency in JavaScript, object model, DOM manipulation and event handlers, data structures, algorithms.
- Knowledge of Unit testing frameworks
.
Job Responsibilities
- Design, build and maintain software applications.
- Write well-designed, testable, efficient code by using best software development practices.
👋🏼We're Nagarro.
We are a Digital Product Engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale across all devices and digital mediums, and our people exist everywhere in the world (19000+ experts across 33 countries, to be exact). Our work culture is dynamic and non-hierarchical. We are looking for great new colleagues. That is where you come in!
REQUIREMENTS:
- Experience: 5.5-8.5 years
- Must Have: Design patterns (Expert), Game Development - General Experience, HTML5 (Expert), JavaScript (Expert), PixiJS
- Skills: ReactJS + HTML + CSS + ReactMaterialUI - Frontend developer with hands on experience in React JS Or Angular.
- Must has prior experience in developing microservices for customer facing channels. - Implementing pixel perfect design of components.
- Candidate should have good knowledge of working with React JS, NodeJS, advanced JavaScript, HTML5, CSS3,Mongo DB,
- Component-based frontend architecture along with how to design components in a way so that they can handle a big dataset.
- Unit testing, Code review and CI/CD process and flow.
- Knowledge of GitHub - Should have worked with tools like webpack.
- Code review tools like TSlint, Jslint, React-and, Redux-forms, super-agent is added advantage. Expectation: Spends 100% of time in implementing front end for all user stories.
RESPONSIBILITIES:
- Writing and reviewing great quality code
- Understanding functional requirements thoroughly and analysing the client’s needs in the context of the project.
- Envisioning the overall solution for defined functional and non-functional requirements, and being able to define technologies, patterns, and frameworks to realize it.
- Determining and implementing design methodologies and tool sets
- Enabling application development by coordinating requirements, schedules, and activities.
- Being able to lead/support UAT and production roll outs.
- Creating, understanding, and validating WBS and estimated effort for given module/task, and being able to justify it.
- Addressing issues promptly, responding positively to setbacks and challenges with a mindset of continuous improvement
- Giving constructive feedback to the team members and setting clear expectations.
- Helping the team in troubleshooting and resolving of complex bugs
- Coming up with solutions to any issue that is raised during code/design review and being able to justify the decision taken.
- Carrying out POCs to make sure that suggested design/technologies meet the requirements.
4 to 6 years of experience in React.js
You will be responsible for developing and implementing user interface components
using React.js concepts and workflows such as Redux, Flux, and Webpack.
You will also be responsible for profiling and improving front-end performance and
documenting our front-end codebase.
Should be able to design and build modern user interface components to enhance
application performance.
In-depth knowledge of JavaScript, CSS, HTML, and front-end languages.
Knowledge of REACT tools including React.js, Webpack, Enzyme, Redux, and Flux.
Experience with user interface design
Skills Required:
- Must have strong exposure working on Java Script
- Proficient in Javascript frameworks (Vue Js / React Js) is a must
- Strong understanding of REST APIs
- Have experience with common front-end development tools such as Babel, Webpack, NPM is a definite advantage
- Good understanding of asynchronous request handling, partial page updates, and AJAX
- Proficient understanding of code versioning tools, such as GitHub
- Good to have working experience on CSS pre-processor either LESS or SASS
- Good understanding of BEM (Block, Element, Modifier) methodology
- Proficiency in Database (MySQL, MongoDB)
- Proficiency in best practices for building backend services like Session management, caching, authentication, etc
- Strong proficiency with JavaScript & ES6 or ECMA 2015 on the NodeJs platform.





