NodeJS Developer

Key Responsibilities

• Lead software development teams across all phases of the SDLC
• Provide technical leadership in coding, debugging, and system integration
• Define system scope, objectives, and technical solutions
• Act as primary technical point of contact for stakeholders
• Develop technical specifications, code, and testing strategies
• Manage change control, issue resolution, and release activities
• Ensure adherence to coding standards and security practices
• Design and implement REST API-based integration solutions
• Conduct code reviews and quality assurance checks
• Identify and mitigate technical risks
• Mentor developers and provide technical guidance
• Maintain documentation for development and testing
• Collaborate across teams to improve processes
• Stay updated with emerging technologies and industry trends

Knowledge / Skills

• Strong programming skills in JavaScript, Java, and Node.js
• Experience with Auth0 (Rules, Actions, MFA, Management API)
• Experience with AWS (Lambda, API Gateway, IAM, CloudFormation)
• Knowledge of Infrastructure as Code (CloudFormation/Terraform)
• Strong REST API design and integration expertise
• Understanding of IAM protocols (OAuth2, OIDC, SAML, JWT, PKCE)
• Experience with CI/CD pipelines using Git
• Strong analytical and problem-solving skills
• Excellent communication and leadership abilities

Education and Experience

• Bachelor’s degree in Computer Science or a related field
• 8–10 years of software development experience
• Experience leading development teams
• Experience in Agile/Scrum environments

We are looking for a skilled Backend Developer with strong experience in building, scaling, and optimizing server-side systems. The ideal candidate is proficient in Node.js, FastAPI (Python), and database design, with hands-on experience in cloud infrastructure on AWS or GCP.

Responsibilities:

Design, develop, and maintain scalable backend services and APIs using Node.js and FastAPI

Build robust data models and optimize performance for SQL and NoSQL databases

Architect and deploy backend services on GCP/AWS, leveraging managed cloud services. 

Implement clean, modular, and testable code with proper CI/CD and observability (logs, metrics, alerts)

Ensure system reliability, security, and high availability for production environments

Requirements:

2–5 years of backend development experience

Strong proficiency in Node.js, FastAPI, REST APIs, and microservice architecture

Solid understanding of PostgreSQL/MySQL, MongoDB/Redis or similar NoSQL systems

Hands-on experience with AWS or GCP, Docker, and modern DevOps workflows

Experience with caching, queueing, authentication, and API performance optimization

Good to Have:

Experience with event-driven architecture, WebSockets, or serverless functions

Familiarity with Kubernetes or Terraform

Job Location: Gurugram, Haryana, India

Industry: Artificial Intelligence

About Us: 

We live in the realm of rising, ever evolving technology. From the cassette tape to nanotech skeletons, we’ve come a long way. Splitting an atom is no big deal – and who’d have thought that we’d talk through airwaves? Change is inevitable, and we’re the tide that brings it. 

At Relinns, we breathe tech solutions and embrace innovation with open arms. With over 4 years of experience, we've had phenomenal growth which acts as a testimony to the knowledge we've come to gather over time. We have been fortunate enough to get an opportunity to work with clients such as Apollo Tyres, Shahi Exports, Manchester City Football Club, etc. 

Our team is on the path of finding religion in the workplace of today. To find our way, we have three tools at our disposal: cutting edge technological tools, a meticulously dedicated work ethic, and crisp bow-tie professionalism. 

About the role:

We are looking for a Node.js Developer responsible for managing the interchange of data between the server and the client. Your primary focus will be the development of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the client end. You will also be responsible for integrating the front-end elements built by your co-workers into the application. Therefore, a basic understanding of front-end technologies is necessary as well.

What You Need for this Position:

• Strong understanding of JavaScript, its quirks and workarounds.
• Basic understanding of TypeScript & its quirks and workarounds.
• Advanced knowledge of NPM and the most frequently used libraries (E.g: Socket.io, Underscore.js, Passport, etc.).
• Knowledge of any Node.JS ORM (Mongoose, Sequlize, Knex, etc.).
• Understanding of any of the following Node.JS frameworks: Express JS, Koa Js, Hapi JS or any other.
• Good understanding of OOP and data structures.
• JavaScript unit testing frameworks (prefer Unit.js, Mocha).
• Ability to write complex algorithms.
• Understanding of code versioning tools, such as {GIT / Mercurial / SVN}.

What You Will Be Doing:

• Develop and provide solutions on JavaScript frameworks
• Develop high-traffic, flawless web applications using Node.JS
• Participate in code and design reviews to ensure consistency in architecture and design/code practice
• Code with performance, scalability, and usability in mind
• Work on new tools in leading industry trends, with new and emerging technologies, prototypes and engineering process improvements
• Work closely with next-generation architecture development teams using cutting edge approaches and technologies

Top Reasons to Work with Us:

• We're a small, fast-paced growing team tackling huge new challenges every day.
• Learning new concepts while working with intellectual and exceptionally talented team
• Friendly and high growth work environment
• Competitive compensation

Sr. Software Developer

Work Experience: 8+ Years

The Number of Vacancies: 2

Location:  

CTC: As per industry standards

About the Job Description

Senior software developers are responsible for designing, testing, and implementing new and updated software programs. They take on a managerial role and lead the development team with all software development tasks. Their job is to ensure all projects are completed on time and to company specifications.

What We Are Seeking

• Hands-on experience in Core Java and Advanced Java.
• Hands-on Java Framework-Architecture and Advanced Concepts Understanding and Implementation in Real-Time Projects
• Knowledge of Weblogic, Microservices
• Experience in developing APIs and RESTful services using Node JS.
• Strong understanding of the usage and implementation of JWT tokens and access control API development.
• Knowledge of AWS, SSL integration, Docker, Postman
• Extensive knowledge of MongoDB, MySQL, Redis, and Oracle.
• Understanding of how to integrate third-party APIs such as Payment Gateway
• Knowledge of code versioning tools such as GIT
• Must have good analytical, debugging, and problem-solving skills.
• Good communication skills.

Responsibilities

• Produce high-quality code and experience with security implementations.
• Collaborating with front-end developers on the integration of elements.
• Running diagnostic tests, repairing defects, and providing technical support.
• Documenting Node.js processes, including database schemas, as well as preparing reports.
• Work with the QA Team to develop testing protocols to identify and correct challenges.

• Experience in Web and Mobile Applications
• Agility and ability to adapt quickly to changing requirements and scope and priorities
• Experience in Java, Python.
• Deep understanding of data structures and microservices.
• Knowledge of Node.js
• Understanding the nature of asynchronous programming and its quirks and workarounds
• Familiarity with front-end technologies
• User authentication and authorization between multiple systems, servers, and environments
• Interaction with multiple data sources
• Good understanding of SQL
• 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.
• Implementing automated testing platforms and unit tests
• Proficient understanding of code versioning tools, such as Git .

Aimed at building a massive parallel economy, This For That, is looking for highly driven engineers to build out a world class product. The product is in its early stages so there’s a lot to learn and build from scratch. You will get to work alongside seasoned business and marketing professionals and become part of the core engineering team.

Ideal skills:

1) 2-5 years of professional JavaScript development experience

2) Understanding of asynchronous programming and its quirks and workarounds

3) Comfortable working through the entire stack from the user interface through systems levels

4) Understanding accessibility and security compliance

5) Strong Logical and Analytical Skills

6) Experience in consuming web services (REST) and processing data (JSON)

7) Experience with SQLite, NoSQL, Redis or other databases

8) Proven experience in building API services using NodeJS Express and related frameworks

9) Good understanding of NodeJS asynchronous runtime

10) Good understanding of JS concepts on callbacks and closures

11) Experience in debugging issues related to memory leaks

12) Experience in building highly scalable and high throughput services with sub-second response times

13) Experience with ElasticSearch/Solr

14) Experience working in a collaborative team environment

15) Ability to understand and analyse issues across multiple vendors and interfaces

16) Experience with NoSQL queries

17) Experience with AWS

18) Experience in managing/mentoring small teams

In depth knowledge of all of the above is not mandatory but the nature of the work will involve learning and getting involved with all of the above. You would be working directly with key members of the management team to define and drive technical strategy.

Experience in the mobile space is mandatory. Please only apply if you have been part of building a mobile product. Since our product is mobile only, it is essential that you understand implications on the front end.