
Job Title: Full-Stack MERN Developer (5–8 Years Experience)
Location: Borivali, Mumbai (Onsite)
Experience: 6–8 Years
Joining: Immediate Joiners
Employment Type: Full-time
Job Overview
We are looking for an experienced Full-Stack MERN Developer to join our engineering team in Borivali, Mumbai. The ideal candidate should have strong hands-on experience building scalable web applications using React, Node.js, Express, and MongoDB, with a solid understanding of REST APIs, microservices architecture, performance optimization, and cloud infrastructure.
You will work on consumer-facing applications, handle large datasets, and contribute to building reliable, high-performance systems.
Key Responsibilities
- Design, develop, and maintain full-stack web applications using MERN stack
- Build scalable and secure RESTful APIs and backend services using Node.js & Express
- Develop reusable and high-performance React components with proper state management
- Implement microservices-based architecture and inter-service communication
- Optimize application performance at both frontend and backend levels
- Work with MongoDB for data modeling, indexing, and performance tuning
- Handle large datasets efficiently and ensure system reliability
- Implement logging, tracing, and monitoring for production-ready applications
- Collaborate with product, frontend, backend, and DevOps teams
- Write clean, maintainable, and well-documented code
Technical Requirements
Backend
- Strong hands-on experience with Node.js & Express.js
- Expertise in building REST APIs and backend business logic
- Strong understanding of async programming (Callbacks, Promises, Async/Await)
- Experience with microservices architecture
- Hands-on experience with MongoDB (Expert level)
- Working knowledge of PostgreSQL / MySQL
- Experience with Kafka or other message queue systems
- Familiarity with Bull / job schedulers
Frontend
- Strong experience with React.js
- Hands-on experience with state management (Redux, Context API, or similar)
- Good understanding of HTML, CSS, AJAX
- Experience with performance optimization techniques in React
Infrastructure & Cloud
- Experience with Docker and Kubernetes (K8s)
- Hands-on exposure to AWS services such as EC2, S3, ELB, AutoScaling, CloudFront
- Understanding of CI/CD pipelines is a plus
Core Computer Science
- Good understanding of Data Structures & Algorithms
- Solid knowledge of Operating Systems fundamentals
Good to Have
- Experience with Redis for caching
- Exposure to Vue.js
- Experience working on consumer-facing web or app products
- Strong debugging and problem-solving skills
- Familiarity with application monitoring tools (logs, metrics, tracing)
What We’re Looking For
- Strong problem-solving mindset and ownership attitude
- Ability to learn new tools and technologies quickly
- Comfortable working in fast-paced, production-driven environments
- Immediate or short-notice joiners preferred

About Wama Technology
About
Wama Technology integrates state-of-the-art technology smoothly to promote corporate success, providing a comprehensive “One-Stop Solution” for all digital demands, from cloud services, artificial intelligence, machine learning, and mobile and web app development technologies. Wama Technologies offers customized solutions that enable businesses to prosper in the digital era. At Wama Technology, our team prioritizes innovation, user experience, and client happiness to provide digital transformation. Wama Technology assists companies in improving user interaction, automatization processes, or delivering new ideas through the strategic use of technology.
Tech stack
Candid answers by the company
Wama Technology is a global IT Solution and Services Company and Consulting Agency, accelerating business to the next level.Wama Technology provides IT Solution and Services to Businesses. We strive to deliver the catalyst solutions that would accelerate the business to next level. We work on the requirement providing the concepts, models that best suits and can be utilized.
We offer a full range of mobile app development services that make things better for enterprises and companies we work with. Our team of dedicated developers fulfills your diverse business requirements through a number of services.
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Remote position
Full-stack developer | .NET Core + Angular
Are you...
- Interested in working at a successful, well-funded scale-up where every team member can make a huge contribution?
- Keen to make software that people will use every single day to make their lives easier?
- Excited to work on greenfield projects with responsibility and independence?
- Ready to develop and use your skills across our frontend, backend and mobile offerings?
- Meticulous about quality, and gifted with a strong desire to write beautiful code?
About the company
KeyNest solves the key exchange problem for Airbnb users. Our worldwide network of over 4,000 shops store keys so that Airbnb guests / cleaners / contractors can pick them up whenever is convenient for them. As a global partner of Airbnb we’ve checked-in over 2 million guests.
Why we need you
As the entire Airbnb ecosystem increasingly relies on KeyNest, our customers expect us to integrate additional features without reducing the ease of use that our customers love. This is why we continue to invest in beautiful, intuitive user interfaces that integrate with every tool and are used by our customers, their guests and staff, as well as our own staff.
A product manager, a team lead, two full-stack developers, one mobile developer, and a UX designer make up our product team. Who will serve as your mentor. We are looking for a developer who cares about how their code affects users so that we can work together.
With a genuine passion for high quality work, attention to detail and readiness to own your own projects, you will be looking for a new and exciting challenge which allows you to use your experience to drive change and maintain the high standards of our organisation.
Our Tech Stack
- C# MVC modern tech stack
- .Net Core
- Front end web in TypeScript & Angular
- Test Driven Development (TDD) and follow SOLID design principles.
- EF 6.0
- SQL Server 2017
- Agile experience (Scrum, Kanban)
- TFS
- Cloud hosted in Azure with micro-services architecture
Your qualities
- 5+ years experience in C#
- Experience with .NET core
- Front-end web experience in Angular and CSS
- Track record of building great products
- You’ll love the idea of being a big part of a small team. Current team size is 5.
- Motivation and ambition to succeed in a fast-paced environment
- Not afraid to take on responsibilities
What we offer
- Crucial role in a funded, dynamic & fast-growing scale-up shaking up the sharing economy
- Competitive salary based on relevant experience
- Flexible working for our most committed staff
- Unparalleled opportunities to develop your career as the company develops rapidly
If you want to join the KeyNest team, please get in touch – we look forward to meeting you.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, colour, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.
- Strong at Core Java and OOPs concepts
- Exposure to Spring, Spring Boot and Spring Security
- Exposure to implementation of RESTful APIs
- Exposure to programming using Queues and No SQL database
- Good understanding about JavaScript, JQuery and HTML
- Good understanding about Data Structures and Multithreaded Programming
- Good understanding about Design Patterns
- Good understanding about Standard and Secure Coding practices
2-5 years of experience
Comprehensive grasp over OOPs concepts and Java Programming.
Lead designs of major software components and features to improve the availability, scalability, usability, and efficiency of the DART application.
Be interested in the new tech stack and complex problems solving. Bring a positive, can-do attitude and be open to all ideas.
Provide operational support on deployment, Server Setup, DB script generation.
Developing front end website architecture.
Designing user interactions on web pages.
Developing back-end website applications. Creating servers and databases for functionality. Ensuring cross-platform optimization for mobile phones.
Ensuring responsiveness of applications.
Working alongside graphic designers for web design features. Seeing through a project from conception to finished product.
Designing and developing APIs. Meeting both technical and consumer needs.
Staying abreast of developments in web applications and programming languages.
Familiarity with database technology such as MySQL, Oracle, and MongoDB.
Angular.js/Angular 2/4/5/6/7/8 (Mandatory)
Node.js (Mandatory).
1.Atleast 1.5 - 3 yr Experience in Mongodb
2.Overall 4-10 yrs Experience in PHP/MERN Stack Development
3.Strong Experience in large data set
4.Strong Knowledge in anyone of PHP ( Yii2, Larvel,Codeigniter)
5.Good understanding of Code optimization.
6.Excellent in Designing & Architecture, handle AWS(Amazon Web Services) for our product in Financial domain.
7.Expert in working on core PHP,Oops,MySQL,Javascript,Ajax,HTML5,CSS3,& JQuery technologies
8.Proficient Understanding of Code Version Tools Such as Git ,Bit Bucket
9.The candidate should be well versed with problem solving skills,task breakdown & code reviewing.
10.Expert in team handling of 15 working in PHP framework yii & MERN Stack development.
We are looking for a Full Stack Developer with 4+ years of experience, to produce scalable
software solutions. As a Full Stack Developer, you should be comfortable around both front-
end and back-end coding, building web environments on AWS
Responsibilities
Strong understanding of algorithms, data structures, and system design
Develop client side and server-side architecture.
Develop and manage well-functioning databases and applications
Be responsible for the planning, implementation, and growth of the AWS cloud
infrastructure
Manage a continuous integration and deployment methodology for server-based
technologies
Ensuring cross-platform optimization.
Designing user interactions on web pages.
Test software to ensure responsiveness and efficiency Troubleshoot, debug and
upgrade software
Meeting both technical and consumer needs.
Staying abreast of developments in web applications and programming languages.
Requirements ·
1+ years in Front-end and 3+ years in Back-end development.
Knowledge of front-end technologies and its libraries: React JS, Angular
Knowledge of back-end technologies and its libraries: Express.js, Node.js
Familiarity with databases: MongoDB
Familiarity with continuous integration/continuous delivery (CI/CD) pipelines
Experience designing and building web environments on AWS, which includes
working with services like EC2, ELB, RDS, and S3
Familiarity with tools like AWS CodeBuild, AWS CodeDeploy, and AWS
CodePipeline
Proven experience as a Full Stack Developer or similar role
Experience developing SAAS Products.
Good problem-solving skills and attention to detailing.
We are looking for a Full Stack Developer to produce scalable software solutions.
You’ll be part of a cross-functional team that’s responsible for the full software
development life cycle, from conception to deployment.
As a Full Stack Developer, you should be comfortable around both front-end and
back-end coding languages, development frameworks and third-party libraries. You
should also be a team player with a knack for visual design and utility.
If you’re also familiar with Agile methodologies, we’d like to meet you.
Responsibilities
• Work with development teams and product managers to ideate software
solutions.
• Design client-side and server-side architecture
• Build the front-end of applications through appealing visual design.
• Develop and manage well-functioning databases and applications.
• Write effective APIs.
• Test software to ensure responsiveness and efficiency.
• Troubleshoot, debug and upgrade software.
• Create security and data protection settings.
• Build features and applications with a mobile responsive design.
• Write technical documentation.
• Work with data scientists and analysts to improve software.
Requirements
• Proven experience as a Full Stack Developer or similar role
• Experience developing desktop and mobile applications.
• Familiarity with common stacks
• Knowledge of multiple front-end languages and libraries (e.g. HTML/ CSS,
JavaScript, XML, jQuery)
• Knowledge of multiple back-end languages (e.g. C#, Java, Python) and
JavaScript frameworks (e.g. Angular, React, Node.js)
• Familiarity with databases (e.g. MySQL, MongoDB), web servers (e.g.
Apache) and UI/UX design
• Excellent communication and teamwork skills
• Great attention to detail
• Organizational skills
• An analytical mind
• Degree in Computer Science, Statistics or relevant field
Full Stack Developer
Skills:
-
Proficiency with JavaScript and HTML5
-
Minimum 2+ years of hands-on experience with AngularJS and Angular Frameworks
-
Experience with Java, JSON, Spring Boot and Hibernate
-
Experience with MYSQL databases
-
Familiarity with Linux environments
-
Experience with GIT
-
Hands on experience with AWS S3 is preferred
-
Experience with web servers & application servers such as Apache and Nginx is good to have
Responsibilities:
-
Design and develop client-side and server-side architecture
-
Develop and manage well-functioning database
-
Implementation of approved user interface
-
Design and construction of REST APIs
-
Server management and deployment for the relevant environment
Responsibility :
- Responsible for design, development, deployment and maintenance of our applications and its various modules.
- Work closely with Product, UX, and QA teams to deliver the product.
- Ability to own several modules of the application.
Skills required :
- Ability to understand a problem and write good quality code to solve it
- Very strong skills in JavaScript, Node.js
- Candidates should have worked on Single Page Application based applications (Angular.js or React.js)
- Working knowledge of Databases like MySQL, MongoDB etc
- Understanding of data structures and algorithms
- Ability to design products independently
- Ability to take complete ownership of his/her tasks
- Working knowledge of at least one of SVN/GIT or a similar version control system
- Ability to quickly learn and pick up new technologies
- Understanding on website scalability and performance
Good to Have :
- Experience with front end technologies like PWA, Service Worker will be a plus
- Knowledge of unit testing theory
- Product start up experience









