Fullstack Developer

Position : Full Stack Developer (Node.js + React.js)

Experience : 5+ Years

Location : Gurgaon (Work From Office - 5 Days)

Notice Period : Immediate or within 7 days

Job Description :

We are looking for a highly skilled and passionate Full Stack Developer with strong experience in Node.js and React.js, and a solid understanding of Microservices Architecture.

This is a full-time, on-site opportunity based in Gurgaon, ideal for someone who thrives in a fast-paced development environment.

Mandatory Skills :

Node.js, React.js, JavaScript (ES6+), RESTful APIs, Microservices Architecture, MongoDB/PostgreSQL, Git, HTML5, CSS3, JWT

Key Responsibilities :

• Design, develop, test, and maintain scalable web applications using Node.js (backend) and React.js (frontend).
• Build and integrate RESTful APIs and Microservices in a production-grade environment.
• Participate in code reviews, architecture discussions, and performance optimizations.
• Collaborate with cross-functional teams including UI/UX designers, QA, DevOps, and product managers.
• Write clean, maintainable, and reusable code adhering to best practices.
• Ensure system reliability, security, scalability, and performance.
• Debug and resolve production issues efficiently.

Must-Have Skills :

• 5+ Years of full-stack development experience with Node.js and React.js.
• Strong expertise in JavaScript, ES6+, HTML5, CSS3, and responsive design.
• Solid hands-on experience in Microservices Architecture and containerized services (Docker, Kubernetes is a plus).
• Proficiency in RESTful API development and integration.
• Experience with databases such as MongoDB, PostgreSQL, or MySQL.
• Familiarity with version control tools like Git and CI/CD pipelines.
• Understanding of Agile/Scrum methodologies.

Good to Have :

• Knowledge of authentication/authorization mechanisms (OAuth, JWT).
• Exposure to cloud platforms like AWS, Azure, or GCP.
• Familiarity with testing frameworks such as Jest, Mocha, or Cypress.

Role Overview

We are looking for a Senior Full Stack Developer to build and scale our fintech platform. You will own the entire lifecycle of our financial products, from designing high-performance relational schemas in PostgreSQL to building interactive dashboards in React.

Key Responsibilities

• Full Stack Development: Build and maintain end-to-end features using the PERN stack

(PostgreSQL, Express.js, React, Node.js).

• Database Optimization: Design complex relational models and optimize SQL queries to

handle high-volume financial data and audit trails.

• Security & Compliance: Implement rigorous security measures (e.g., JWT, OAuth, data

encryption) and ensure the platform adheres to fintech standards like PCI-DSS.

• API Architecture: Develop robust RESTful APIs to integrate with third-party banking APIs,

payment processors (Stripe/Plaid), and KYC providers.

Technical Requirements

• Front-end: Advanced proficiency in React.js (Hooks, Context API, Redux or TanStack Query)

and modern CSS (Tailwind/Styled Components).

• Back-end: Expert-level Node.js and Express.js experience, with a focus on asynchronous

programming and secure API design.

• Database: Deep knowledge of PostgreSQL (complex joins, indexing, triggers, and

migrations).

Additional skills

• Understanding of Event-Driven Architecture (using AWS SQS/SNS or Kafka).

• Familiarity with SOC2 or ISO 27001 compliance frameworks.

• Cloud (AWS): Proven experience with:

• RDS/Aurora for managed databases.
• IAM for secure access management.
• AWS Lambda & API Gateway for serverless architecture.
• CloudWatch for monitoring and alerting.

• Tools: Git, Docker, and experience with CI/CD workflows.

About US

RJ Fintech Solutions Pvt. Ltd. is a high-growth fintech startup on a mission to automate business financial operations. In a world where financial systems are often slow and opaque, we are building the "missing link"—a secure, transparent, and lightning-fast platform that puts banking and compliance first for various corporates.

We are not just another financial app; we are an engineering-first company. We believe that elegant code and robust architecture are the foundations of trust. By leveraging the PERN stack and AWS cloud-native infrastructure, we are replacing legacy complexity with modern, scalable solutions.

Why Work With Us?

1. Build the Foundation, Not Just Features

You won't be a small cog in a massive machine. As an early member of our engineering team, you will help define our technical architecture, choose our libraries, and set the coding standards for everyone who follows. Your fingerprints will be on the core DNA of our product.

2. Solve Problems That Matter

Fintech is one of the few industries where code has a direct, measurable impact on people's lives.

Whether we are [e.g., simplifying cross-border payments, democratizing investment, or building the next generation of credit], you will be solving high-stakes challenges around security, trust, and financial inclusion.

Job Summary

We are seeking a highly skilled Full Stack Engineer with 2+ years of hands-on experience to join our high-impact engineering team. You will work across the full stack—building scalable, high-performance frontends using Typescript & Next.js and developing robust backend services using Python (FastAPI/Django).

This role is crucial in shaping product experiences and driving innovation at scale.

Mandatory Candidate Background

• Experience working in product-based companies only
• Strong academic background
• Stable work history
• Excellent coding skills and hands-on development experience
• Strong foundation in Data Structures & Algorithms (DSA)
• Strong problem-solving mindset
• Understanding of clean architecture and code quality best practices

Key Responsibilities

• Design, develop, and maintain scalable full-stack applications
• Build responsive, performant, user-friendly UIs using Typescript & Next.js
• Develop APIs and backend services using Python (FastAPI/Django)
• Collaborate with product, design, and business teams to translate requirements into technical solutions
• Ensure code quality, security, and performance across the stack
• Own features end-to-end: architecture, development, deployment, and monitoring
• Contribute to system design, best practices, and the overall technical roadmap

Requirements

Must-Have:

• 2+ years of professional full-stack engineering experience
• Strong expertise in Typescript / Next.js OR Python (FastAPI, Django) — must be familiar with both areas
• Experience building RESTful APIs and microservices
• Hands-on experience with Git, CI/CD pipelines, and cloud platforms (AWS/GCP/Azure)
• Strong debugging, optimization, and problem-solving abilities
• Comfortable working in fast-paced startup environments

Good-to-Have:

• Experience with containerization (Docker/Kubernetes)
• Exposure to message queues or event-driven architectures
• Familiarity with modern DevOps and observability tooling

TechChefz (TCZ Digital Private Limited) is a digital transformation partner helping established organizations get to their future, digitally-enabled state, both in the way they work and the way they serve their customers. We help unlock value through a start-up mindset and modern methods, fusing strategy, consulting, and customer experience with agile engineering and problem-solving creativity. United by our core values and our purpose of helping people thrive in the brave pursuit of next, our people in offices around the globe combine experience across technology, data sciences, consulting, and customer obsession to accelerate our clients’ businesses through designing the products and services their customers truly value. For more details, explore our website: www.techchefz.com

Responsibilities:

Building interactive consumer data from multiple systems and Restfully abstract 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

Skills and Experience:

In-depth knowledge of NodeJS, ExpressJS or Restify. Experience implementing applications using Angular or React Experience creating front end applications using HTML5, Angular, LESS/SASS Hands on experience with JavaScript Development on both client and server-side Experience with modern frameworks and design patterns, minimum one-year experience with MERN Full stack paradigm Knowledge of the following will be considered as an advantage: Consumer Web Development Experience for High-Traffic, Public Facing web applications Experience with cloud technologies is also a plus Creating secure RESTful-based web services in XML and JSON, JavaScript, jQuery Continuous integration (Jenkins/Hudson) and version control (SVN, Git).

The Benefits of Working Here

Benefits of both the worlds - Enthusiasm & Learning Curve of a Start-Up, Deliveries & Performance of an Enterprise Service Provider flexible working hours with the delivery oriented approach The sky's the limit when it comes to learning, growth, and ideas. We do not follow the typical corporate hierarchy ladder. As part of our dedication to an inclusive and diverse workforce, TechChefz is committed to Equal Employment Opportunity without regard to race, colour, national origin, ethnicity, gender, protected veteran status, disability, sexual orientation, gender identity, or religion.

We are looking for a Full Stack Developer who is proficient in NodeJS, React, and Go to join our team. The ideal candidate will be responsible for developing and maintaining web applications using modern technologies.

Responsibilities:

Design and implement complex web applications using NodeJS, React, and Go

Collaborate with the development team to ensure the project is delivered on time and to the highest standards

Identify and resolve technical issues and bugs

Develop and maintain server-side and client-side code

Ensure web applications are scalable, efficient, and secure

Write and maintain unit and integration tests

Work with other teams to integrate third-party systems and APIs

Keep up-to-date with the latest technologies and best practices in web development

Participate in code reviews and provide constructive feedback to other team members

Take ownership of the project and ensure its success

Requirements:

Strong experience in web application development using NodeJS, React, and Go

Familiarity with databases such as MongoDB, PostgreSQL, and MySQL

Understanding of RESTful APIs and Microservices Architecture

Experience with DevOps, Continuous Integration/Continuous Deployment, and Cloud Technologies such as AWS, Azure, or GCP

Understanding of Agile/Scrum methodologies

Excellent communication and problem-solving skills

Strong attention to detail

Ability to work independently and as part of a team

If you are a motivated, enthusiastic, and talented Full Stack Developer with a passion for creating high-quality web applications, we encourage you to apply.

Role: Full Stack Web Developer (full time, remote)

Job description:
Ycenter is looking for a Full Stack Developer to join its Digital Innovations and product development team. This is a fully remote, full time position. You will be employed under the Ycenter India office.

We’re looking for a dynamic coder and problem-solver to work with our Digital Innovations team and help build web products that solve complex global problems for our clients. Preferably a Full Stack Developer / Software Engineer with 2-4 years of experience in building & maintaining web applications, not afraid of taking on new challenges in a fast paced startup environment, able to take leadership decisions independently (read: without a boss) and an obsession for effective & timely communication.

Why you should work with us:

1. If you’ve ever felt that technology should be used for social good, or wanted to create measurable impact through your work, this is the opportunity
2. Be a part of a global team of engineers, entrepreneurs, researchers, designers, and a bot to tackle complex business & social problems for our clients. Past clients include Abbott Global Healthcare, US Department of Commerce, GODAN (Global Open Data For Agriculture & Nutrition), Microsoft and United Nations.
3. Work directly with Ycenter’s leadership team and grab optional opportunities to learn Design Thinking, Leadership and Entrepreneurship (read: what makes a startup successful. We will tell you from experience)
4. Work on end-to-end projects that add real value to your portfolio.
5. We care about you as a person and the work you do, more than spreadsheets and corporate KPIs. In fact if you love spreadsheets, this role is not for you.
6. We are obsessed about pop culture, good movies, TV shows, books and music. We will probably judge you by your Netflix Watch History more than your CV.

Responsibilities:

1. Build end-to-end web applications and test for performance based on predefined scope.
2. Work with Ycenter's leadership team to integrate business requirements with technical architecture and understand the product development roadmap.
3. Analyze & optimize user metrics, system performance and database security.
4. Work with Ycenter’s leadership team to conduct user research and design UX/UI.
5. Optimize search engine performance.
6. Maintain third-party API integrations & help automate client business processes. 

Skills & technologies: 

• Should be proficient in at least one object oriented programming language: C++ / Java / Python / JavaScript
• Skilled at and experienced in web application development with the following full-stack competency:

1. Preferred stack: MERN (MongoDB, ExpressJS, React, NodeJS)
   Alternate stack: LAMP with Laravel framework
2. Should be familiar with building Progressive Web Applications using custom service workers for offline functionality
3. Experience with offline storage, threading, and performance tuning 
4. Proficient in frontend development using HTML5, CSS3, JavaScript, JQuery, JSON
5. Knowledge of Javascript-based data visualization & graph libraries
6. Knowledge of and experience in server-side scripting and process automation
7. Knowledge of and experience in MySQL database operations & optimization.
8. Knowledge of and experience in building & handling REST APIs
9. Knowledge of and experience in server environment setup & application deployment in either AWS or Microsoft Azure
10. Knowledge of building Python-based applications is a bonus but not a requirement

• Should have experience with UI/UX design
• Should be familiar with the Git version control system.
• Should be experienced in application testing (manual) and CI/CD workflow
• Should be comfortable working with DevOps processes using Agile methodology