NodeJS Developer

Job Title: Full Stack Engineer

Location: Delhi-NCR

Type: Full-Time

Responsibilities

Frontend:

• Develop responsive, intuitive interfaces using HTML, CSS (SASS), React, and Vanilla JS.
• Implement real-time features using sockets for dynamic, interactive user experiences.
• Collaborate with designers to ensure consistent UI/UX patterns and deliver visually compelling products.

Backend:

• Design, implement, and maintain APIs using Python (FastAPI).
• Integrate AI-driven features to enhance user experience and streamline processes.
• Ensure the code adheres to best practices in performance, scalability, and security.
• Troubleshoot and resolve production issues, minimizing downtime and improving reliability.

Database & Data Management:

• Work with PostgreSQL for relational data, ensuring optimal queries and indexing.
• Utilize ClickHouse or MongoDB where appropriate to handle specific data workloads and analytics needs.
• Contribute to building dashboards and tools for analytics and reporting.
• Leverage AI/ML concepts to derive insights from data and improve system performance.

General:

• Use Git for version control; conduct code reviews, ensure clean commit history, and maintain robust documentation.
• Collaborate with cross-functional teams to deliver features that align with business goals.
• Stay updated with industry trends, particularly in AI and emerging frameworks, and apply them to enhance our platform.
• Mentor junior engineers and contribute to continuous improvement in team processes and code quality.

SleekSky is a fast-growing engineering studio that partners with venture-backed product teams to ship modern, cloud-native software. We’re hiring a Software Engineer to join one of our health-tech clients and help build a scalable, user-centric platform that’s making a real-world impact—without revealing any confidential project details.

What you’ll do

• Build and ship production-ready React features that feel fast, accessible and polished.
• Design and maintain Node.js / Express APIs that are clean, secure and well-documented.
• Leverage AWS services (EC2, Lambda, Elastic Cache / Redis, load balancers, etc.) to deliver reliable, high-performance solutions.
• Automate CI/CD pipelines with GitHub Actions and uphold strong Git workflows.
• Collaborate in an agile, fully remote team that values code reviews, knowledge-sharing and continuous improvement.
• Champion engineering best practices—testing, monitoring, and infrastructure-as-code—while keeping an eye on new tech that can raise the bar.

What you’ll bring

• 2+ years of hands-on experience in full-stack development.
• Proven expertise with React (hooks, component architecture, state management) and modern JavaScript/TypeScript.
• Solid experience building RESTful services in Node.js with Express (or similar).
• Familiarity with AWS fundamentals (EC2, Lambda, load balancing, caching layers).
• Comfortable with Git, GitHub and automated CI/CD pipelines (e.g., GitHub Actions).
• Self-motivated, proactive and enthusiastic about learning new technologies and sharing knowledge with the team.
• Clear, concise communication skills—vital for an all-remote environment.

Nice-to-haves

• Experience with infrastructure-as-code (Terraform, CloudFormation, CDK).
• Exposure to containerisation (Docker, ECS, EKS) or serverless architecture patterns.
• Prior work in health-tech or other regulated domains.

Why SleekSky?

At SleekSky, you’ll join a culture that puts people first—pair programming, regular knowledge-sharing sessions and a genuine passion for building things the right way. Expect autonomy, trust and a runway to grow your craft alongside enthusiastic peers.

Ready to level up with SleekSky? Submit your résumé on your preferred hiring portal and we’ll be in touch right away.

What you will be doing

● Building and maintaining micro services.

● Develop new features and improve existing features of the application.

● Coding, Implementing, Unit Testing and Documenting Typescript and Javascript based services.

● Design, build, and maintain efficient, reusable, and reliable code.

● Code reviews and ensuring adherence to software development standards.

● Contribute to team and organizational improvements in process and infrastructure.

● Participating in requirements gathering and functional specification activities.

● Resolving and helping to mitigate production issues.

Job Sector: IT, Software

Job Type: Permanent

Location: Chennai

Experience: 10 - 20 Years

Salary: 15 - 35 LPA

Education: Any Graduate

Notice Period: Immediate

Key Skills: ReactJS, NodeJS, Angular

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Job Description:

Requirements

As the expectation from the candidate would be to develop, architect and work with different stakeholders in the organization, most of the skillset mentioned below is a must have.

• Overall 10+ years of experience in the IT industry.
• Full Stack Senior Developer/Architect with extensive knowledge in, at least 2 programming language such as JavaScript, C#, Java, Python, Go etc.
• Experience in any one of the Frontend JavaScript frameworks; ReactJS, Angular, VueJS.
• Experience in building and managing scalable high availability RESTful services using frameworks like NodeJS, .NET Core etc.
• Experience in RDBMS and NoSQL database technologies like SQL Server, MongoDB, DynamoDB etc.
• Extensive experience in web fundamentals like HTML 5 and CSS 3.
• Should have understanding of Containerisation with Kubernetes or Docker.
• Familiar with Test Driven Development and CI/CD pipelines (GitLab, Jenkins).
• Experience in different AWS Cloud Services like ECS, EKS, S3, EC2 etc is good to have.
• Working knowledge of source code repository Git.
• Understanding of how to build performant, decoupled, testable, maintainable code.
• Ability to understand business requirements and translate them into technical requirements.

Good written and verbal communication skills.

• Minimum 3 years of frontend development experience using React JS.
• Minimum 3 years of backend development experience using Node JS or .NET Core .

We are building a global content marketplace that brings companies and content creators together to scale up content creation processes across 50+ content verticals and 150+ industries. Over the past 2.5 years, we’ve worked with companies like India Today, Amazon India, Adobe, Swiggy, Dunzo, Businessworld, Paisabazaar, IndiGo Airlines, Apollo Hospitals, Infoedge, Times Group, Digit, BookMyShow, UpGrad, Yulu, YourStory, and 350+ other brands.

We are creating high-quality remote talent workforces across Content Writers, Graphic Designers, Video Makers, Content Strategists, Audio Artists, and eventually aim to cover each and every creative professional involved in the marketing domain. Imagine us being able to build virtual marketing teams for any company globally, by providing them a product that solves for content operations and gives the customer the ability to strategize, create, distribute and manage all their content projects at one place. At the same time, they have the ability to be able to extend their team by being matched with high-quality creators from our talent marketplace for different projects that they have. It isn’t long before content becomes so fundamental to individuals and brands alike, that there is a need for buying and selling content on-demand. We want to be that force of change!

Responsibilities: -

• We are looking for solid senior back-end developers who are well-versed with NodeJs.
• The tech stack on the back end side - MySQL, Postgres, Redis, Node, TypeScript, Express, Knex.
• We are looking at folks who have a minimum of 6-7 years of experience in back-end development and have been strong experience.
• The mindset is very different and we are looking for folks who have evolved fast in terms of skills and in terms of working on their own projects.

• Min 5 years of software development experience, with a Bachelor's degree in Computer Science or related field.
• Proficiency in a Go programming language
• Strong software development fundamentals (Data structures,  Algorithms, problem-solving,  OO  design,  systems architecture,  and development methods).
• Excellent verbal and written communication skills, and interpersonal skills. Self-motivated attitude with the ability to multitask, learn and thrive in a timeline-driven environment
• Good understanding of memory/SQL/NoSQL database concepts (key-value, schemas, indexing, etc)
• Writing scalable, robust, testable, efficient, and easily maintainable code
• Translating software requirements into stable, working, high-performance software
• Playing a key role in architectural and design decisions, building toward an efficient microservice distributed architecture

Skills

• Strong knowledge of Go programming language, paradigms, constructs, and idioms
• Knowledge of common Goroutine and channel patterns
• Experience with the full site of Go frameworks and tools, including:
• Dependency management tools such as Godep, Sltr, etc.

• Own and implement features used by large customers like Truecaller, Mozilla, Zomato, Netflix, etc.
• Performance, Security and Usability goals are in DNA.
• Full ownership and accountability of Microservices which includes day-to-day operations and maintenance.
• Business and technical Metric definitions and reviews.
• Drive CI & CD Evaluate technologies and development stacks for API-based platform which scales to 100,000 transactions per second.
• Perform push-button deployments of any version of the software to any environment on demand.
• Design and build web apps that are scalable and puts user experience front and center.
• Develop modular UI components for company-wide reuse.
• Evolve a common design language for UI across apps.
• Establish and advocate front-end coding guidelines.
• Meld UX and great-looking UI while keeping excellent code quality.
• Own end-to-end life cycle of the product from requirement analysis, design, development, test, release, and maintenance.
• Develop reusable tools/libraries
• Identify opportunities for automation and collaboration points.
• Continuously improve cycle time, throughput, and code quality.
• Continuously improve value-adding-activities/non-value-adding activities ratio.

• 4 - 6 years of experience in large-scale distributed systems.
• Proficient in Python/Golang/Java/ http://node.js/">Node.js 
• Understanding of CSS, Advanced Javascript, http://vue.js/">Vue.js, http://react.js/">React.js, and other web technologies.
• Understanding of Rest based API Architecture
• Writing high-performance, reliable and maintainable code.  
• Excellent microservices pattern understanding.  
• Ability to define cross-core contracts and bring them to closure through collaboration.
• Good knowledge of database structures, theories, principles, and practices.  
• Experience working with AWS components [EC2, S3, RDS, SQS, ECS, Lambda].
• Analytical and problem-solving skills  
• Good aptitude in multi-threading and concurrency concepts.  
• Working knowledge of Git and proficiency with at least one build server: Jenkins/Travis/Bamboo.
• Good to have a telecom background

• Very strong in HTML & mobile techniques;
• Strong knowledge of Codeigniter / Laravel;
• Front-end skills HTML, CSS, CSS3, CSS3 animations, JavaScript,bootstrap;
• Experience with Angular or React;
• Popular JavaScript libraries/frameworks e.g. jQuery, LESS / Sass;
• Back-end skills PHP, MySQL or equivalent language such as C#, java, etc.;
• Strong knowledge of source control e.g. Bitbucket, Github;
• Experience with deployment and configuration of common stacks (LAMP, MERN, MEAN)
• Ability to work with design files for web development needs;
• In-depth experience with MongoDB & MySQL, including SQL & PL/SQL, or NoSQL query building
• Knowledge of tools & frameworks such as Gulp, Grunt, Node, Composer, etc.
• Ability to work with APIs;
• Experience working with CMS systems e.g. Magento, Wordpress;
• Good knowledge of web hosting environments e.g. cPanel, AWS, Google;
• Python skills are a plus