Full Stack Lead Engineer

Full Stack Developer (3+ Years Experience)

Location: Chennai - Work From Office

Job Type: Full-time

About the Role:

We are looking for a highly skilled Full Stack Developer with 3+ years of experience in designing, developing, and maintaining scalable web applications. The ideal candidate should have expertise in Node.js, TypeScript, NestJS, Angular, and databases like MongoDB, DynamoDB, and RDBMS. You will be working on building robust REST APIs, implementing various authentication methods (Cookies, JWT, OAuth, etc.), and deploying applications in AWS & GCP cloud environments using serverless technologies.

Key Responsibilities:

● Develop and maintain scalable backend services using Node.js, TypeScript, and NestJS.

● Design and implement frontend applications using Angular.

● Build and optimize RESTful APIs for high-performance web applications.

● Work with databases (MongoDB, DynamoDB, and RDBMS) to store and retrieve application data efficiently.

● Implement authentication and authorization mechanisms such as JWT, cookies, and OAuth.

● Deploy and manage applications on AWS (Lambda, API Gateway, S3, DynamoDB, IAM, Cognito, etc.) and GCP Cloud Functions.

● Ensure code quality with unit testing, integration testing, and CI/CD pipelines.

● Work on serverless architectures to optimize performance and scalability.

● Collaborate with cross-functional teams to define and develop new features.

● Troubleshoot and debug application issues in both development and production environments.

Required Skills & Qualifications:

● 3+ years of experience as a Full Stack Developer.

● Strong knowledge of Node.js, TypeScript, and NestJS.

● Experience with Angular (Angular 10+ preferred).

● Hands-on experience with MongoDB, DynamoDB, and RDBMS (e.g., PostgreSQL, MySQL).

● Expertise in REST API development and API security best practices.

● Experience with authentication methods (JWT, OAuth, Session Cookies).

● Proficiency in AWS (Lambda, API Gateway, S3, DynamoDB, IAM, Cognito, etc.) and/or GCP Cloud Functions.

● Familiarity with serverless development and microservices architecture.

● Strong knowledge of CI/CD pipelines and automated deployment strategies.

● Understanding of software development best practices, version control (Git), and

Agile methodologies.

Nice to Have:

● Experience with Kubernetes and containerized applications (Docker).

● Understanding of WebSockets and real-time applications.

Benefits:

● Competitive salary based on experience.

● Flexible working hours.

● Learning and development opportunities.

● Collaborative and growth-oriented team environment

About the role

As a full-stack engineer, you’ll feel at home if you are hands-on, grounded, opinionated and passionate about building things using technology. Our tech stack ranges widely with language ecosystems like Typescript, Java, Scala, Golang, Kotlin, Elixir, Python, .Net, Nodejs and even Rust.

This role is ideal for those looking to have a large impact and a huge scope for growth while still being hands-on with technology. We aim to allow growth without becoming “post-technical”. We are extremely selective with our consultants and are able to run our teams with fewer levels of management. You won’t find a BA or iteration manager here! We work in small pizza teams of 2-5 people where a well-founded argument holds more weight than the years of experience. You will have the opportunity to work with clients across domains like retail, banking, publishing, education, ad tech and more where you will take ownership of developing software solutions that are purpose-built to solve our clients’ unique business and technical needs.

Responsibilities

• Produce high-quality code that allows us to put solutions into production.
• Utilize DevOps tools and practices to build and deploy software.
• Collaborate with Data Scientists and Engineers to deliver production-quality AI and Machine Learning systems.
• Build frameworks and supporting tooling for data ingestion from a complex variety of sources. Work in short sprints to deliver working software with clear deliverables and client-led deadlines.
• Willingness to be a polyglot developer and learn multiple technologies.

Skills you’ll need

• A maker’s mindset. To be resourceful and have the ability to do things that have no instructions.
• Extensive experience (at least 10 years) as a Software Engineer.
• Deep understanding of programming fundamentals and expertise with at least one programming language (functional or object-oriented).
• A nuanced and rich understanding of code quality, maintainability and practices like Test Driven Development.
• Experience with one or more source control and build toolchains.
• Working knowledge of CI/CD will be an added advantage.
• Understanding of web APIs, contracts and communication protocols.
• Understanding of Cloud platforms, infra-automation/DevOps, IaC/GitOps/Containers, design and development of large data platforms.

What will you experience in terms of culture at Sahaj?

• A culture of trust, respect and transparency
• Opportunity to collaborate with some of the finest minds in the industry
• Work across multiple domains

What are the benefits of being at Sahaj?

• Unlimited leaves
• Life Insurance & Private Health insurance paid by Sahaj
• Stock options
• No hierarchy
• Open Salaries

Job description

• Hands-on experience in C#, http://asp.net/">ASP.NET, MVC, Web API, SQL Server.
• Experience in latest .Net framework versions (4/4.5/.Net Core 2.0 Frameworks), SQL Server 2008/2012.
• Experience in OOPS, HTML5, Bootstrap,CSS, AJAX/ JavaScript/ JQuery/ AngularJS and Angular 2.0 and web development.
• Excellent communication, analytical and interpersonal skills.
• .NET Full Stack (C#, MVC / .Net Core, WEB API, JSON, REST, JavaScript, Ajax)
• Good knowledge on Angular development, Angular JS
• knowledge in Azure cloud solutions.
• Developing and Hosting REST API Swagger and integration with angular.

We are looking for a seasoned full-stack developer(JavaScript) to build out and manage our Web and API infrastructure. Successful candidates will have a minimum of three years’ recent experience with all of the skills listed below.

Our project entails implementing our pre-approved UI, constructing our API, connecting the two, and setting up our cloud infrastructure. This includes all associated areas such as database and architecture design.

• Design and implementation of the overall web architecture
• “Pixel-perfect” implementation of our approved user interface
• Ensuring the entire stack is designed and built for speed and scalability
• Design and construction of our REST API and integration with front-end
• Design and implementation of continuous integration and deployment
• Write clean, great quality, scalable and maintainable code with thorough testing
• Troubleshoot, test and maintain the products and databases to ensure strong optimization and functionality

At least two years’ experience with:

• Writing HTML, CSS, and JavaScript. Being up on latest practices is a must, e.g., HTML5, CSS3, and ECMAScript 6 (minimum)
• A relevant experience in back-end programming with NodeJS
• A relevant experience in front-end programming with ReactJS
• Database design and management of MySQL and DynamoDB
• Cloud infra management and deployment for the relevant environment
• Ideally, familiarity with Sass and Webpack
• Thorough understanding of user experience and possibly even product strategy
• Experience implementing testing platforms and unit tests
• Proficiency with Git
• Appreciation for clean and well documented code
• Knowledge of Serverless Framework and AWS Lambda is a plus.

Roles and Responsibilities

• The candidate should have good experience in React & Node. Ability to understand business requirements and translate them into technical requirements.
• Produce high-quality code and experience with security implementations Identifying application security risks and Implementing security patches procedures.
• Stronghold on MongoDB and experience on other No SQL databases.
• Experience with Graph, Payment Gateway, Node.js process management, and web sockets like socket.io

Desired Candidate Profile

• Good understanding of core concepts of React.js.
• Strong understanding of Node.js and express.
• Hands-on experience in state management libraries like Redux & RXJS.
• Strong foundation of HTML5 & CSS3, pre-processors (Less/SCSS) and JavaScript.
• Experience integrating with Restful web services.
• Proficient with ES6/7/8 syntax and concepts.
• Also into Microservice architecture, Kubernetes, PUB-SUB concept

Permanent WFH opportunity.

Shift timing 11 am- 8 pm