Node Js 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).

• Web application development experience in HTML5, CSS3, Javascript (including new ES features), Python
• Hands-on experience in any one of the python-based backend frameworks like Django or Flask or Pyramid along with end to end testing
• Hands-on experience in building high performant React applications
• Hands-on experience working with Object Oriented JavaScript (OOJS), JavaScript libraries and their practical uses in building complex interactive experiences
• Hands-on experience working with TDD in JS with the help of frameworks like Mocha, Chai, Jest, Enzyme, React Testing Library etc.
• In depth knowledge of SQL is a must. SQL Technologies that are desired are MySQL, PostGres, Oracle
• Experience in state management libraries like Redux and MobX
• Good understanding of asynchronous request handling, partial page updates, and AJAX
• Familiarity with various component libraries and design systems
• Proficient in using media queries and CSS frameworks like bootstrap or foundation for implementing responsive web design patterns in the applications
• Knowledge of common JavaScript design patterns
• Experience in owning Code Quality and Code Review processes
• Experience on Node.js is an advantage
• Work "in the trenches" with junior developers to implement large features that wow our clients
• Partner with Managers, Business Analysts, and test analysts to develop realistic implementation plans with a focus on quality, sustainability, and delivering value to our clients
• Stand up for coding best practices that ensure quality products: automated testing, unit testing, agile development, continuous integration, code reviews, and technical design
• Improve technical skills of self and the team
• Research industry trends and web technologies, and promote adoption of best-in-class web tools and technologies
• Understand client business issues and actively participate in designing solutions and features that meet client needs
• Take initiative to advance the quality, responsiveness, architecture, or design of our solution, if you want to make it happen you can.
• Excellent organizational and task management skills
• Strong oral and written communication skills
• Ability to work in global cross-office teams
• Fluency in English is required

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

Professional development experience, working the Full stack on large scale B2B, SaaS products. • Expertise with learning new technologies and strong experience with our tech stack AngularJS, JavaScript, Node.js, Go, React.js and Postgres. • Bachelor’sin Computer Scienceorsolid knowledgeof CS fundamentals(OOP, designpatterns, algorithms, etc...) • Experience and adesire towork in a fast-paced environment. • We are a leading cloud-based open platform used by some of the most prestigious companies around • You will get to work with some of the most complex technologies on the market today • You will have an opportunity to work at all levels of the organization.

Roles and Responsibilities:

·         Design and implement scalable web applications and platforms using technologies such as Typescript, NestJS, Angular, NodeJS, ExpressJS, TypeORM, and Postgres

·         Good understanding of web and REST API design patterns

·         Experience with AWS technologies such as EKS, ECS, ECR, Fargate, EC2, Lambda, ALB will be an added advantage

·         Hands-on experience with unit test frameworks like Jest

·         Good working knowledge of JIRA, Confluence, Git

·         Basic knowledge of Kubernetes and Terraform for infrastructure as code

·         Basic knowledge of Docker compose and Docker

·         Strong understanding of microservices architecture and ability to implement components independently

·         Proven track record of problem-solving skills

·         Excellent communication skills

What you need to have:

About the Role:

We are looking for an experienced Full Stack Developer, focused on writing well structured, efficient and

Maintainable software. You will be working on writing code, tests and documentation for the Network

Management and Head End Systems. You will be interfacing with devices in the field, collecting data from

Electricity meters and networking equipment. Your responsibility will include the data collection services,

External APIs, user interface and data analytics. You will be committed to making a high-quality, fault tolerant

System to interact with physical devices and make collected data available to 3rd party services.

Qualification & Experience:

• Bachelor’s/Master’s degree in Computer Engineering with 2+ 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

Location: Mohali

• You will hold the beacon for development and user experience at a company while helping us scale from 3 million users to 50 million users
• Build performance and effective new features by participating in the overall application lifecycle
• Build modular, reusable, performant, and optimal features both in frontend and backend
• Code, debug, troubleshoot, deliver
• Help maintain and improve existing data structures while planning and implementing new model data structures for scalability
• Continuously improve stability and performance of company’s tech platform
• Be the user’s voice and help make product decisions
• Exhibits knowledge and behavior to adopt Information Security and Privacy practices at their work.

• 1 - 4 years experience as a Full-Stack Developer
• In-depth understanding of the entire web development process (design, development, and deployment)
• Proficiency with Nodejs, MongoDB, AWS.
• Proficiency with front-end languages (e.g. HTML, JavaScript, and CSS)
• Team Building & Leadership
• Want to interact with all levels of the company including senior leaders and cross-functional teams
• Love problem solving and thrive on handling multiple projects and tasks
• Foster strong professional relationships with the full organization
• Sense of ownership and pride in your performance and its impact on the company’s success