Fullstack Developer (MERN)

Job Title : Senior Full Stack Developer (React.js, Node.js, C#, .NET)

Experience : 8+ Years

Location : Gurgaon, Haryana

Work Mode : Hybrid (As per Samsung Policy)

Shift : 07:00 PM – 04:00 AM (IST)

Job Summary :

We are looking for a Senior Full Stack Developer with strong expertise in C#, .NET Core, React.js, NestJS, Node.js, SQL Server, and SSO integrations to build and maintain enterprise-grade applications in a Windows Server environment.

Mandatory Tech Stack :

Frontend : React.js, Redux Toolkit (RTK)

Backend : C#, .NET Core, Node.js, NestJS

Database : SQL Server, TypeORM

Authentication : Active Directory, OIDC, SAML

Environment : Windows Server

Key Responsibilities :

• Develop scalable web applications using React.js, C#, .NET Core, Node.js, and NestJS.
• Build and maintain REST/GraphQL APIs and backend services.
• Design and optimize SQL Server databases, T-SQL queries, and TypeORM mappings.
• Implement and manage SSO solutions (Active Directory, OIDC, SAML).
• Deploy and support applications on Windows Server environments.
• Conduct code reviews and follow best development practices.

Required Skills :

• 8+ years of software development experience.
• Strong hands-on experience in C#, .NET Core/ASP.NET Core, React.js, NestJS, and Node.js.
• Expertise in Redux Toolkit (RTK), RTK Query, TypeORM, and SQL Server.
• Experience with GraphQL, REST APIs, Windows Server, and SSO integrations.
• Good understanding of application architecture, performance optimization, and security.

Total Experience: 1+ years

Mode of Hire: Permanent

Required Skills Set (Mandatory): HTML, JavaScript, Node.js, Express.js, MongoDB, React/Next.js, AI Integration (LLMs/APIs - OpenAI, Anthropic, Gemini)

Desired Skills (Good if you have): Cloud Platforms (AWS), System Design, Application Security

What is the role all about?

We're hiring full-stack engineers who build with AI, not the traditional way. You should be fluent in modern web engineering, primarily Node.js, and just as fluent in using LLMs and AI tools (Cursor, Claude Code, and similar) to ship fast. Work that once took a month should take a week; what took a week should take a day.

The role spans a range, from architecting backends for non-trivial products like assistants and agents, to rapidly turning a requirement into a clean, customer-facing app or MVP. Be strong in at least one area, be comfortable across the system as a whole, and tell us where you're strongest so we can place you accordingly.

What will you do?

• Plan, build, and ship product features end-to-end, with AI embedded where it has the most impact.
• Integrate LLMs and AI APIs into production-grade applications.
• Use AI tools to prototype, build, and deliver at high speed without sacrificing quality.
• Design scalable APIs and data models with Node.js, Express.js, and MongoDB.
• Build responsive, performant, customer-facing interfaces with React/Next.js.
• Contribute to design discussions, code reviews, and architectural decisions.

What are we looking for?

AI leverage: 

• You've shipped real things using LLMs or AI APIs and instinctively reach for AI to move faster. 
• Comfortable with prompt engineering and judging AI output for production-readiness.

Engineering depth and delivery:

• Solid fundamentals: problem-solving, data structures, and how systems fit together. 
• At least 2+ years across frontend (React/Next.js), APIs (Node.js/Express.js), and databases (MongoDB). 
• You write clean, production-grade code and you ship.
• Knowledge of application security or ethical hacking is an advantage.

Culture

• Work with performance-oriented teams driven by ownership and passion.
• Learn to design systems for high accuracy, efficiency, and scalability.
• No strict deadlines, focus on delivering quality work.
• Meritocracy-driven, candid culture. No politics.
• Very high visibility regarding which startups and markets are exciting globally.

About Tracxn

Tracxn (Tracxn.com) is a Bangalore-based product company that provides a research and deal-sourcing platform for Venture Capital, Private Equity, Corp Dev, and professionals in the startup ecosystem.

We are a team of 800+ working professionals serving customers across the globe. Our clients include Funds such as Andreessen Horowitz, Matrix Partners, and GGV Capital, as well as Large Corporates such as Citi, Embraer & Ferrero.

Founders

• Neha Singh (ex-Sequoia, BCG | MBA - Stanford GSB)
• Abhishek Goyal (ex-Accel Partners, Amazon | BTech - IIT Kanpur)

About Technology Team

Tracxn's Technology team is 50+ members strong and growing. The technology team is subdivided into multiple smaller teams, each of which owns one or more services/components of the technology platform. Ours is a young team of motivated engineers with a minimal management structure, in which almost everyone is actively involved in technical development and design. We have a team-centric culture where ownership and responsibility for a feature or module lie with a team rather than an individual.

We work on an array of technologies, including but not limited to ReactJS, Next.js, Storybook, Webpack, Node, Mongo, AWS Lambda, Spring, Elastic Stack, MySQL, Kafka, Redis, Ansible, etc.

We value ownership, continuous learning, consistency, and discipline as a team.

Experience: 2-3 years of experience in Python, NodeJS, MySQL, ReactJS, NextJS technologies.

About: Fletch is a U.S. based technology firm building an open insurance ecosystem

connecting consumer apps to insurance providers. The team has previously built global

payment infrastructure at scale (processing $billions in transactions) and founded enterprise

technology companies with solutions in commercial use by over 100 corporates. 

Fletch has seen rapid traction (existing partnerships with leading U.S. insurance providers)

and is backed by top global fintech VCs and angels. The team is now looking to scale

further hiring & expansion.

Location:  Remote 

Responsibilities:

-Developing complex web application features using Python, NodeJS, ReactJS, JS, MySQL, TypeScript, NextJS.

-Writing reusable, testable, and efficient code

-Implementation of low-latency, high-availability, and performant applications

-Integration of user-facing elements developed by front-end developers with server side logic

-Translating designs and wireframes into high quality code

-Optimising components for maximum performance across a vast array of web-capable devices and browsers.

Skills:

-Very strong in programming, DataStructures, Algos and complex tech concepts

-Strong in developing no-code platforms and configurable applications.

-Strong experience in developing apps using React hooks, state, DOM manipulation etc.,

-Strong experience in developing BE code using Python, Node, MySQL.

-Strong expertise working with RESTful APIs

-Strong experience in NextJS

We have openings for Fullstack / Backend / Frontend Developers who can write reliable, scalable, testable and maintainable code.

At Everest, we innovate at the intersection of design and engineering to produce outstanding products. The work we do is meaningful and challenging - which makes it interesting. Imagine each line of your code, making the world a better place. We work on five workdays weeks, and overtime is a rarity. If clean architecture, TDD, DDD, DevOps, Microservices, Micro-frontends, scalable systems resonate with you, please apply.

To see the quality of our code, you can checkout some of our open source projects: https://github.com/everest-engineering

If you want to know more about our culture:

https://github.com/everest-engineering/manifesto

Some videos that can help:

https://www.youtube.com/watch?v=A7y9RpqXAdA;

https://youtu.be/PPjyP1WPOn8" target="_blank">https://youtu.be/PPjyP1WPOn8

• Passion to own and create amazing product.
• Should be able to clearly understand the customer's problem.
• Should be a collaborative problem solver.
• Should be able a team player.
• Should be open to learn from others and teach others.
• Should be a good problem solver.
• Should be able to take feedback and improve continuously.
• Should commit to inclusion, equity & diversity.
• Should maintain integrity at work

• Familiarity with Agile methodologies and clean code.

• Design and/or contribute to client-side and server-side architecture.

• Well versed with fundamentals of REST.

• Build the front-end of applications through appealing visual design.

• Knowledge of one or more front-end languages and libraries (e.g. HTML / CSS, JavaScript, XML, jQuery, Typescript) JavaScript frameworks (e.g. Angular, React, Redux, Vue.js)

• Knowledge of one or more back-end languages (e.g. C#, Java, Python, Go, Node.js and frameworks like SpringBoot, .NET Core) 

• Well versed with fundamentals of database design.

• Familiarity with databases - RDBMS like MySQL, Postgres & NoSQL like MongoDB, DynamoDB.

• Well versed with one or more cloud platforms like - AWS, Azure, GCP.

• Familiar with Infrastructure as Code - CloudFormation & Terraform & deployment tools like Docker, Kubernetes.

• Familiarity with CI/CD tools like Jenkins, CircleCI, Github Actions..

• Unit testing tools like Junit, Mockito, Chai, Mocha, Jest

·        Qualification: bachelor’s or master’s degree in computer science, Engineering, or related field.

·        Proven 4+ years of experience in full stack development, including proficiency with React, Tailwind CSS, Python, and Flask.

·        Strong understanding of Graph QL concepts and hands-on experience with Ariadne or similar frameworks.

·        Familiarity with containerization using Docker for application deployment.

·        Demonstrated expertise in machine learning model integration, preferably using the Hugging Face framework.

·        Experience deploying machine learning models on cloud platforms such as Replicate and AWS is a strong plus.

·        Excellent problem-solving skills and a proactive attitude towards learning and adapting to new technologies.

·        Should have experience in Backend: Python, Flask Framework, Langchain ML Ops Framework, Ariadne Graph QL Framework, Docker. Frontend: React, Tailwind. ML Model Development – Hugging Face Model Training, ML Deployment onto Replicate or AWS

We are looking for Sr. Node Js Developer

Experience - 1-5 years 

Location - Ahmedabad, Gujarat. (Work from Office/Home)

5 Days working 

Should have good communication skills.

Requirements:

•API Development

• Mongodb or Firebase

•Designing and developing user interfaces using Angular OR JavaScript MV-VM/MVC frameworks

•Good understanding of AJAX and JavaScript, TypeScript Dom manipulation Techniques

•Experience with RESTful services

•Expert in any one of the modern JavaScript MV-VM/MVC frameworks (AngularJS, JQuery, ReactJS)

•Knowledge of Node.js, Express and frameworks available for it

•Understanding the nature of asynchronous programming and its quirks and workarounds

•User authentication and authorization between multiple systems, servers, and environments


Note:- We are not providing permanent work from home. They have to come to the office if needed.

Your Tasks:

• Participate in all aspect of operation and application support.
• Work primarily in Java-on-Java Spring and web frameworks like Bootstrap and Vue.js.
• Engage and collaborate across time zones with different front-end and back-end developers.
• Working closely with your teammates on knowledge sharing and experience build-up.
• Drive development best practices with your teammates to deliver high quality solutions. 

  Your profile:

• Bachelor’s degree in computer science, information technology, or engineering with strong communication skills.
• 4+ years of experience building large-scale software applications or web applications
• Strong knowledge of Full-Stack development with Java Spring Framework and established web frameworks Bootstrap, Vue.js, React or AngularJS.
• Experience of different data stores and search engine solutions like Apache Solr or Elasticsearch and designing and implementing API web services (RESTful and SOAP-based)
• Ability to work independently and collaboratively in a multidisciplinary team environment whiles providing operational support capability.

Job Description

The ideal candidate is a self-motivated, multi-tasker, and demonstrated team-player. You will be a responsible developer helping our clients, either developing new products or enhancing products. You should be able to contemplate and communicate as much as possible!

Responsibilities

• Writing clean, maintainable, desired quality, desired performing code.
• Develop and support software including applications, database integration, interfaces, and new functionality enhancements
• Coordinate cross-functionally to ensure project meets business objectives and compliance standards
• Support test and deployment of new products and features
• Participate in feature brainstorm, code reviews
• Explore cutting edge technologies and taking up PoC line up.

Qualifications

• Team player
• Passion to solve problems
• Constant learner
• A degree in Computer Science (or related field)
• 4-7 years of relevant work experience
• Able to code in JAVA (with Spring framework)
• Ability to organize, and prioritize work
• Good at Object Oriented Design, Database Design(SQL/NoSQL), and Microservices
• Exposure to UI framework (React/Angular/Vue/Next)
• Exposure with Agile software development methodologies
• Exposure to any one public cloud (AWS/GCP/Azure)
• Exposure to cache, messaging systems, docker, API gateway

What we will not ask from you?

• Your current CTC, you'll be paid for what you deserve!
• If you had breaks in your career that's okay! We will not poke you on why you had your break blah blah...!
• Your notice period in current organization! If everything goes well, you let us know your joining date we will roll out the offer with joining the date as you say!

What's onboard for you as an employee?

• Empathy
• Generous package.
• Variable pay as low as possible (max 15% of your CTC)
• Medical Insurance (limited to spouse & kids) is not part of your CTC.
• Tax beneficial salary structure.
• Comprehensive leave policy
• Flexible Remote working
• Weekly Social Hour on working days
• Open-source Hour on working days
• Flat organization structure
• 15 days notice period (we wanted to keep it as same day exit! we would love to have you with us as long as possible.)

Next steps:

• Feel free to apply for this job if you like this JD.

• Proficiency with fundamental front end languages such as HTML, CSS and JavaScript.
• Familiarity with JavaScript frameworks such as Angular JS, React.
• Proficiency with server side languages such as Python, Java, PHP and .Net.
• Familiarity with database technology such as MySQL, Oracle and MongoDB.
• Excellent verbal communication skills.