
Profile: MERN Stack Developer
📍 Location: Andheri East, Mumbai
🏤 Work Mode: 5 Days WFO
⏰ Experience: 2+ Years
(Only immediate joiners & candidates who have completed notice period)
What We're Looking For:
✅ 2+ years of MERN stack development experience
✅ MongoDB - database design and complex queries
✅ Express.js - server-side application development
✅ React.js - component-based UI development
✅ Node.js - backend JavaScript runtime
✅ Kafka - event streaming and messaging
✅ Docker - containerization and deployment
✅ Redis - caching and session management
✅ RESTful API design and integration

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The Senior Developer will work on core product features, uphold architectural standards, and collaborate closely with the Team Leader to deliver high-quality, scalable solutions.
Responsibilities:
- Develop and maintain major product features
- Follow technical guidance from the Team Leader
- Ensure adherence to coding standards and system architecture
- Perform thorough testing of assigned tasks
Required Skills:
- Strong expertise in Next.js, React.js, Express.js, and PostgreSQL
- Solid understanding of system design, clean code practices, and performance optimization
- To analysis business requirements, prepare design and implementation recommendations and estimate development effort
- Collaborate with cross-functional teams to define, design, and ship new features
- Lead or participate in design reviews, code reviews and architecture evolution discussions
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
- Experienced with front end programming language with React JS.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
- Thorough understanding of React.js and its core principles.
- Experience with popular React.JS workflows (such as Flux or Redux
-Independent developer who can work on .Net MVC as well.
- Also can create Web Apis and can-do SQL work also.
● You can rock with your expertise in fundamental front end languages such as HTML, CSS and JavaScript.
● You can make value additions aided by your familiarity with advanced JavaScript libraries and frameworks such as React.
● You have top notch ability of server side languages such as NodeJS, Web Services, Micro service.
● Database technology such as MySQL also falls in your comfort zone.
● You can enhance our world with your Cloud Experience preferably AWS [EC2, RDS, S3, Lambda] or OCI
● You take pride in your knowledge of code versioning tools such as Git
● Third party integration like payment gateway and any Plugins
● Familiar with third party libraries like D3 Chart, Video and Audio player.
● Development experience with webcam based recording or streaming
● WebRTC protocol with any Media Server
● React with Next.JS framework
● JWT, OAuth, JSON web token, Node mailer
● Experience with WebRTC, RTSP and other streaming applications
● Good at cron Jobs development and configuration
Responsibilities:
● You’ll develop high quality front end architecture.
● You’ll build solid back-end web services/micro services
● You’ll design and develop APIs and API documentation
● You’ll help the team in designing and normalizing databases
● You’ll ensure cross-platform optimization for web and mobile phones.
● You’ll proactively ensure responsiveness of applications
- Bachelor’s/Master’s degree in Computer Engineering with 5+ experience writing high quality, efficient and maintainable code. Proficiency with Elixir or Erlang. Alternatively experience with at least two of Ruby on Rails, NodeJS, Python,Lisp/Clojure, Scala, Haskel or similar
- Proficiency with Typescript or Javascript using ReactJS, VueJS or similar.
- Good knowledge of SQL databases (PostgresSQL, MSSQL, Oracle or similar)
- Good knowledge of revision control system like GIT, SVN, TFS or similar
- Experience with NoSQL databases like InfluxDB, Prometheus, Elastic Stack, SOLR or similar is a plus.
- In depth knowledge of Linux would be a plus
- Exposure to schematic and layout design and understanding would be a plus.
- Experience working with the energy metering segment is a plus.
Roles & Responsibilities:
- The selected candidate will be handling software development activities in Elixir and Typescript
- Technical development activities as per client requirements and internal operational processes.
- Coordinate with multi geographical teams for technical development.
- Close coordination with Technical Support team to visit customers and understand requirements.
- Maintaining/writing high quality code, tests and documentation
Full Stack Developer Responsibilities:
- 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.
Requirements
- Degree in computer science.
- Experience with ( React+Node ) Or ( react + Angular) Or ( Node + Angular)
- Strong organizational and project management skills.
- Proficiency with fundamental front-end languages such as HTML, CSS, and JavaScript.
- Familiarity with JavaScript frameworks
- Familiarity with database technology such as MySQL, Oracle, and MongoDB.
- Excellent verbal communication skills.
- Good problem-solving skills.
- Attention to detail.
Skills: Node.js, React.js, MongoDB, Express JS, HTML, CSS, .
Requirements:
- Should have experience on Node.js and frameworks available for it, such as Express or StrongLoop. Preferably Express.
- Should have experience in building Rich UI components with React.js.
- Should have hands on experience on MongoDB.
- Strong understanding of JavaScript, its quirks and workarounds.
- Knowledge of ES6, ES7 and Object-oriented and functional programming.
- Understanding the nature of asynchronous programming and its quirks and workarounds.
- Should have experience in working on Linux (Ubuntu) Environment and basic linux commands.
- Proficient understanding of code versioning tools, such as Git.
- Good to have knowledge on Redis DB.
- Good understanding of browser rendering behavior and performance.
- Good to have exposure working in an agile development environment
- Experience in software development, prototyping, functional analysis, integration, and testing.
- Experience with Javascript and RESTful technologies including building RESTful APIs
- In-depth understanding of the JavaScript programming languages especially Angular and node.js and the ability to peer review other engineer's code constructively
- Highly skilled at problem-solving, unit-testing, and debugging.
- Expert understanding of best practice engineering principles for building MEAN applications.
- In-depth knowledge of database systems and an understanding of data structures, data normalization, and query performance considerations. Particularly Non-Relational/NoSQL databases including MongoDB.
- Automated unit testing and CI experience
- Ability to effectively communicate technical concepts pictorially, orally or in writing.
- Docker experience desired
- Ability to learn business rules quickly by reading requirements, engaging in conversation, or reverse engineering.
- Expertise in source code control and versioning concepts.
- 3-10 years experience
- Strong React, TypeScript, JavaScript
- Experience with NextJS and Material UI
- Experience with popular React.js workflows (such as Flux or Redux)
- Demonstrated mastery of HTML, CSS & JavaScript (ES6+)
- Good understanding of HTML, CSS, Javascript, jQuery, Bootstrap3/4, JSON & AJAX.
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model.
Backend server development & support with Node, JavaScript, JSON, REST, NoSQL, Cloud Native technologies like Docker & Registry, Kubernetes & Helm
- Skilled in data structures, algorithms, modularization, OOP, microservices, and design patterns
- Skilled in coding best practices using containers, packaging (npm, yarn), agility (with Git, Jira), unit testing (JEST), CI/CD (Jenkins), debugging, and ensuring high productivity & quality
- Exposure to security (OIDC/JWT, RBAC, monitoring, auditing)
- Good with learning, problem solving & innovation
- About the Job
Upside Digital is looking for a brilliant mind to help build its portfolio FinTech Startup, https://www.instaval.co/">InstaVal. The role of the FS Developer is ideal for smart coders who have the technical expertise and passion to turn our vision into a living product.
- You will
- Work with product lines to implement functional & non-functional business requirements into working software, including APIs, web services, etc.
- Enhance existing web solutions to ensure scalability across customer's new business requirements.
- You have
- Good Communication Skills.
- Good personal work ethics and a well-rounded team player.
- Ability to own and start projects with the team and manage to deliver in timely manner.
- You’re skilled at
- Microsoft .NET Framework (C#).
- Web development (http://asp.net/">ASP.NET, web services, WCF, JavaScript, NodeJS, AngularJS, HTML5, CSS).
- MongoDB or Microsoft SQL, MySQL, NoSQL.
- Staying on top of technology trend and contribute to technical design throughout project.
5. Your Bonus to us
- Experience or familiar with a SaaS business.
- Past startup experience.
6. Why us?
- InstaVal is a tech-enabled Business Valuation and Deal Discovery Platform made to promote equity investments in early stage business.
- Our vision is (i) to empower founders and (ii) enable ecosystem stakeholders to efficiently deliver their set of investment advisory & support services.
- An opportunity for you to be part of a global disruptive startup in the corporate finance space.
- We encourage creative thinking, independent responsibilities for business results & team collaboration.
- We have lives outside of work.
7. Terms, Perks & Conditions
- Airtime: Full-time basis - five days a We’re not civil service officials neither.
- Compensation structure: Salary, Bonus, Equity.
- Location: Dubai,
- Unlimited paid time off as long as you get **** done.
- Start Period: November 2019







