MERN Stack Developer

Design and develop scalable web applications using MEAN/MERN stack.

Build & optimize AI/LLM workflows using LangChain or LangGraph.

Implement vector storage & semantic search using FAISS / Pinecone / Chroma / Milvus.

Build APIs, microservices, and integration layers.

Optimize application performance and ensure code quality.

Collaborate with cross-functional teams (product, design, backend, DevOps).

Must-Have Skills

• Strong experience in Node.js, Express.js, MongoDB, and Angular/React.
• Hands-on experience in LLM apps, RAG pipelines, Vector Databases.
• Practical knowledge of LangChain / LangGraph.
• Experience with REST APIs, authentication, and integrations.
• Solid understanding of Git, CI/CD, and cloud platforms (AWS/Azure/GCP).

 1.Experience in proper MERN Stack

 2.In depth knowledge of Node JS, Angular JS, MongoDB 

 3.Experience in implementing applications using AngularJS.

 4.Experience in creating front end applications using HTML 5, Angular JS, LESS/SASS 

 5.Javascript experience both on client as well as on server side

 6.Experience with MVC and MVVM design patterns

 7.Good experience with multiple third party API's integration

 8.Experience in MongoDB scaling and optimization

 9.Experience with cloud technologies AWS Lambda & EC2 setup

 10.Experience in creating RESTful based web services in JSON & XML

 11.PLUS to have additional experience in Angular 2+/

 12.Added experience in MySQL optimisation would be a great plus 

 13.Good communication, analytical and logical skills to understand and work with any kind of project requirements independently

Duties and responsibilities

• Responsible for the development of new highly responsive, web-based user interface
• Construct visualisations that are able to depict vast amounts of data
• Work and collaborate with the rest of the engineering team
• Work with the product team and graphic designers
• Learn and understand user interactions
• Develop a flexible and well-structured front-end architecture, along with the APIs to support it

Requirements and qualifications

• Experience in Work Frontend Frameworks like Bootstrap, MUI & Antd.
• Must have experience in ES6
• Hands-on experience with REACT REDUX
• Hands-on experience with REDUX SAGA or REDUX ToolKit
• Experience with HTML5 / CSS3
• Experience in creating REST API's based on NODE JS
• GraphQL is a plus
• Must have Git knowledge
• Team player
• Good time-management skills
• Good interpersonal and communication skill

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.

3 - 5 Years of experience, in that min 2 years of experience with PHP MVC frameworks like

Laravel(preferred), CodeIgniter, etc.

Strong Experience in PHP and MySQL and their declarative query languages

Understanding the fully synchronous behaviour of PHP

Strong experience in JavaScript and good to have working knowledge on any JS frameworks like Angular (Preferred) React, Python etc. - Understanding of MVC design patterns

Good understanding of front-end technologies JavaScript, jQuery, Angular, HTML, and CSS3

Knowledge of object-oriented PHP programming

Understanding accessibility and security compliance

Strong knowledge of the common PHP or web server exploits and their solutions

Understanding fundamental design principles behind a scalable application

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

Integration of multiple data sources and databases into one system

Familiarity with limitations of PHP as a platform and its workarounds

Creating database schemas that represent and support business processes

Proficient understanding of code versioning tools, such as Git

Basic knowledge of AWS and Shell command

Knowledge of Node.js and frameworks available for it (such as Express, StrongLoop, etc depending on your technology stack)

Understanding the nature of asynchronous programming and its quirks and workarounds

Good with REST Api and integration of many API's in our backend

Good understanding of server-side templating languages (such as Jade, EJS, etc depending on your technology stack)

Understanding accessibility and security compliance

User authentication and authorization between multiple systems, servers, and environments
Integration of multiple data sources and databases into one system

Understanding fundamental design principles behind a scalable application

Understanding differences between multiple delivery platforms, such as mobile vs. desktop, and optimizing output to match the specific platform

Creating database schemas that represent and support business processes
Implementing automated testing platforms and unit tests

Proficient understanding of code versioning tools, such as Git
Good Code writing skills 
Integration with Shopfy, Zoho, ERP, CRM is a plus.