11+ Authorization Jobs in Mumbai | Authorization 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

Minimum 7 years experience : Individual Contributor ( Back-end plus Cloud- Infra)

Banking/Payments Domain : Worked on projects from scratch and scaled

Experience with Payment Gateway Companies is a plus

Tech Stack

Java SpringBoot,AWS,GCP,REST

Worked on CI/CD (Manage and setup )

Different SQL and NO-SQL Databases -,PostgreSQL,MongoDB

Responsibilities:

End to end coding ; from software architecture to managing scaling,of high throughput(100000)RPS high volume transactions.

DIscuss business requirements and timelines with management and create a task plan for junior members.

Manage the day to day activities of all team members and report their work progress

Mentoring the team on best coding practices and making sure modules are Live

on time.

Management of security vulnerabilities.

Be a full individual contributor which means can work in a team as well as alone.

Attitude:

Passion for tech innovation and solve problems

GoGetter Attitude

Extremely humble and polite

Experience in Product companies and Managing small teams is a plus

KEY RESPONSIBILITES:

• Participate in requirements analysis
• Collaborate with internal teams to produce software design and architecture
• Write clean, scalable code using .NET programming languages
• Test and deploy applications and systems
• Create API / webservices
• Develop documentation throughout the software development life cycle (SDLC)
  
  

Candidates with the below skillsets are preferred:

• Proven experience as a .NET Developer
• Familiarity with the http://asp.net/">NETframework, SQL Server and design/architectural patterns (e.g. Model-View-Controller (MVC))
• Knowledge of at least one of the .NET languages (e.g. C#, Visual Basic .NET) and HTML5/CSS3
• Familiarity with architecture styles/APIs (REST, RPC)
• Understanding of Agile methodologies
• Excellent troubleshooting and communication skills
• Attention to detail

Education Details: BSc/BA in Computer Science, Engineering or a related field

Delivery Solutions is a Retail eCommerce OXM Platform that provides retailers with out-of-the-box solutions to power Same-Day Delivery, Curbside, In-Store Pickup, Shipping, and Post Purchase experiences. We are trusted with some of the biggest names in multiple verticals of retail like Sephora, AT&T, Footlocker, Michael's, Office Depot, GameStop, Total Wine, Sally Beauty, Abercrombie & Fitch Co. Belk, Loblaw, Vineyard Vines etc.

Our SAAS-based solution is highly flexible and interacts seamlessly with E-commerce properties, OMS, WMS, and POS systems for a highly scalable experience and a delighted customer base.

Delivery Solutions is a wholly-owned subsidiary of UPS | We are a certified Great Places To Work Company

Role: Senior Software Engineer - MEAN Stack

Reports to: Team Lead

Division/Department: Product

Work Location: India - Remote / Pune

We are seeking highly skilled and experienced Senior Software Engineers to join our SaaS company. As a Senior Software Engineer, you will play a pivotal role in the development and enhancement of our cutting-edge software products. You will work closely with cross-functional teams to design, develop, and deploy scalable software solutions using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and related technologies.

Responsibilities:

• Collaborate with product managers, designers, and other stakeholders to define software requirements and translate them into technical specifications.
• Design and develop robust and scalable software solutions using the MEAN stack and other relevant technologies.
• Take ownership of feature development and deliver high-quality code on time.
• Participate in code reviews to ensure code quality and adherence to coding standards.
• Troubleshoot and debug software issues, and identify and implement effective solutions.
• Collaborate with DevOps teams to ensure smooth deployment and operation of software applications.
• Stay up-to-date with the latest industry trends, tools, and technologies and make recommendations for process improvements.

Qualifications:

• Bachelor's degree in Computer Science, Software Engineering, or a related field. (Master's degree preferred)
• 4+ years of hands-on experience in MEAN stack development, including MongoDB, Express.js, Angular (version 2 or higher), and Node.js.
• Proven experience working in a product-based company, delivering software solutions to customers.
• Strong understanding of Agile methodologies and Agile development practices.
• Proficient in front-end technologies such as Angular, HTML, CSS, and responsive design principles.
• Solid understanding of back-end technologies including Node.js, RESTful APIs, and server-side frameworks.
• Experience with cloud platforms, specifically AWS, and familiarity with related services.
• Knowledge of JSON, Kibana, JIRA, and Jenkins is a plus.
• Strong problem-solving skills and the ability to work independently as well as in a team.
• Excellent communication and interpersonal skills, with the ability to effectively collaborate with cross-functional teams.

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

EXPERTISE AND QUALIFICATIONS

• 14+ years of experience in Software Engineering with at least 6+ years as a Lead Enterprise Architect preferably in a software product company
• High technical credibility - ability to lead technical brainstorming, take decisions and push for the best solution to a problem
• Experience in architecting Microservices based E2E Enterprise Applications
• Experience in UI technologies such as Angular, Node.js or Fullstack technology is desirable
• Experience with NoSQL technologies (MongoDB, Neo4j etc.)
• Elastic Search, Kibana, ELK, Logstash.
• Good understanding of Kafka, Redis, ActiveMQ, RabbitMQ, Solr etc.
• Exposure in SaaS cloud-based platform.
• Experience on Docker, Kubernetes etc.
• Experience in planning, designing, developing and delivering Enterprise Software using Agile Methodology
• Key Programming Skills: Java, J2EE with cutting edge technologies
• Hands-on technical leadership with proven ability to recruit and mentor high performance talents including Architects, Technical Leads, Developers
• Excellent team building, mentoring and coaching skills are a must-have
• A proven track record of consistently setting and achieving high standards

Five Reasons Why You Should Join Zycus

1. Cloud Product Company: We are a Cloud SaaS Company, and our products are created by using the latest technologies like ML and AI. Our UI is in Angular JS and we are developing our mobile apps using React.

2. A Market Leader: Zycus is recognized by Gartner (world’s leading market research analyst) as a Leader in Procurement Software Suites.

3. Move between Roles: We believe that change leads to growth and therefore we allow our employees to shift careers and move to different roles and functions within the organization

4. Get a Global Exposure: You get to work and deal with our global customers.

5. Create an Impact: Zycus gives you the environment to create an impact on the product and transform your ideas into reality. Even our junior engineers get the opportunity to work on different product features.

About Us

Zycus is a pioneer in Cognitive Procurement software and has been a trusted partner of choice for large global enterprises for two decades. Zycus has been consistently recognized by Gartner, Forrester, and other analysts for its Source to Pay integrated suite. Zycus powers its S2P software with the revolutionary Merlin AI Suite. Merlin AI takes over the tactical tasks and empowers procurement and AP officers to focus on strategic projects; offers data-driven actionable insights for quicker and smarter decisions, and its conversational AI offers a B2C type user-experience to the end-users.

Zycus helps enterprises drive real savings, reduce risks, and boost compliance, and its seamless, intuitive, and easy-

to-use user interface ensures high adoption and value across the organization.

Start your #CognitiveProcurement journey with us, as you are #MeantforMore

• Building interactive consumer data from multiple systems and RESTfully abstracting to the UI through a Node.js backend
• Define code architecture decisions to support a high-performance and scalable product with a minimal footprint
• Address and improve any technical issues
• Collaborate well with engineers, researchers, and data implementation specialists to design and create advanced, elegant and efficient systems

What is Pocketbits?
India's Oldest Active Cryptocurrency Exchange. Born in 2016, PocketBits takes pride in being India's oldest operating Crypto Exchange. Our strategy focuses on providing unprecedented support and innovative products for all our global user base. We are solely a product-based company wherein we build and develop our own line of products and currently operate primarily in the Cryptocurrency and Blockchain space.

Visit us at: https://pocketbits.in/.">https://pocketbits.in/

What is in it for you?

Working in a hyper-growth community of young, adventurous, and enthusiastic minds who passionately own and love what they do will be an excellent spot. You'll have absolute freedom to pursue your objectives without constraints, and you'll get a front-row seat to the cryptocurrency revolution while we make history.

Domain: Fintech ( Cryptocurrency)

Experience: 1-3 years 

What do we expect:

• Experience with the MERN stack (MongoDB, Docker, Express.JS, React.JS, and Node.JS)
• Excellent JavaScript skills and strong proficiency in React
• Experience building backend APIs using NodeJs and ExpressJs
• Experience with NoSQL databases such as MongoDB, mongoose, aggregation framework, and Redis
• Experience with Web sockets, KAFKA, and related frameworks
• Experience with Blockchain-related developments is a plus.
• Understanding accessibility and security compliance.

What will you do :

The duties and responsibilities of a selected applicant would include:

• Designing and building scalable applications from end to end.
• Seeing through a project from conception to finished product.
• Creating servers and databases for functionality.
• Ensuring cross-platform optimization for mobile phones.
• Ensuring responsiveness of applications.
• Designing and developing APIs.
• Testing and fixing bugs or other coding issues.