Backend Developer - Node JS

Role: Backend Developer

Experience: 3-6 years

Duration: 1–3 months

Tech Stack: .NET Core, MongoDB

Domain: Clinical/Healthcare (Preferred)

Responsibilities

• Develop and maintain REST APIs using .NET Core
• Design scalable backend services and microservices
• Implement data storage and retrieval using MongoDB
• Optimize database queries and application performance
• Integrate with external systems (APIs, FHIR etc.)
• Ensure data security and compliance (GxP/FDA preferred)
• Support debugging and production issue resolution

Required Skills

• Strong experience in .NET Core/ASP.NET Core
• Hands-on experience with MongoDB or NoSQL databases
• Experience in REST API development
• Knowledge of microservices architecture
• Familiarity with Git and CI/CD pipelines

Preferred

• Healthcare/Clinical Trial domain exposure
• Experience with Azure cloud deployments
• Understanding of FHIR or Healthcare Data Standards

Role & Responsibilities

You will be working with the Rust compiler and will be responsible for compiling to alternate targets such as WebAssembly

You will be exposed with TDD for unit testing individual functions and integration testing for testing publicly exposed APIs

Working with a Git style workflow where every commit deploys to a stagingenvironment and merged pull requests deploy to production

Setting up CI/CD pipelines for testing and deployment (canary, staging) using Github actionsaccording to project needs

Developing software in Rust

Maintaining and improving existing rust codebases.

BACKEND DEVELOPER JOB DESCRIPTION

Job Title: Backend Developer - Node.js & MongoDB

Location: Hyderabad

Employment Type: Full-Time

Experience Required: 3–5 Years

About Us

Inncircles – THE INNGINEERING COMPANY

We are a forward-thinking construction-tech innovator building CRM solutions that manage crores of records with precision and speed. Our mission is to revolutionize the construction domain through scalable engineering and robust backend systems. Join us to solve complex challenges and shape the future of data-driven construction tech!

Job Description

We are hiring a Backend Developer with 3–5 years of hands-on experience in Node.js and MongoDB to design, optimize, and maintain high-performance backend systems. You will work on large-scale data processing, external integrations, and scalable architectures while ensuring best coding practices and efficient database design.

Key Responsibilities

Backend Development & Optimization

1. Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.
2. Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.
3. Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.
4. Scalability & Performance
5. Implement horizontal and vertical scaling strategies to handle growing data and traffic.
6. Optimize database performance through indexing, aggregation pipelines, and query tuning.
7. External Integrations & Debugging
8. Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.
9. Debug and resolve complex issues in production environments with a systematic, data-driven approach.

AWS & Cloud Services

Work with AWS services like Lambda (serverless), SQS (message queuing), S3 (storage), and EC2 (compute) to build resilient and scalable solutions.

Collaboration & Best Practices

Collaborate with frontend teams to ensure smooth API integrations and data flow.

Document code, write unit/integration tests, and enforce coding standards.

Mandatory Requirements

3–5 years of professional experience in Node.js and MongoDB.

Expertise in:

1. MongoDB: Collection design, indexing, aggregation pipelines, replica sets, and sharding.
2. Node.js: Asynchronous programming, middleware, and API development (Express.js/Fastify).
3. Query Optimization: Writing efficient queries for large datasets (crores of records).
4. Strong debugging skills and experience in resolving production issues.
5. Hands-on experience with external integrations (APIs, SDKs, webhooks).
6. Knowledge of horizontal/vertical scaling techniques and performance tuning.
7. Familiarity with AWS services (Lambda, SQS, S3, EC2).

Preferred Skills

1. Experience with microservices architecture.
2. Knowledge of CI/CD pipelines (GitLab CI, Jenkins).
3. Understanding of Docker, Kubernetes, or serverless frameworks.
4. Exposure to monitoring tools like Prometheus, Grafana, or New Relic.

Why Join Inncircles?

Solve large-scale data challenges in the construction domain.

Work on cutting-edge cloud-native backend systems.

Competitive salary, flexible work culture, and growth opportunities.

Apply Now:

If you’re passionate about building scalable backend systems and thrive in a data-heavy environment, share your resume and a GitHub/portfolio link showcasing projects with Node.js, MongoDB, and AWS integrations.

Inncircles – THE INNGINEERING COMPANY

📍 Hyderabad | 🚀 Building Tomorrow’s Tech Today

We are looking for a Node.js Developer to join our team.

In this role, you will be entrusted with developing JavaScript applications using Node.js.

Apply now for the role of a Node.js Developer at CodeBuddy that is opening doors for skilled, energetic developers looking for Mern Stack Developer Jobs.

If you can help us design and create multiple layers of applications while working cross-functionally across different infrastructures. You would fit perfectly if you love problem-solving, design, and creating quality offerings.

Technical Competency :

• Professional experience in Javascript Stack / Framework
• Development experience in Node.js
• Experience with backend using REST API.
• Proficiency in React.js concepts is a plus but not mandatory
• Experience with Object-Oriented Programming
• Ability to multitask and work in a fast-paced environment.
• Ability to document their code.
• Understanding accessibility and security compliance.
• To translate storyboards and various use cases to create high-performing apps
• Write, execute, and maintain clean, reusable, and scalable code
• Integrate our various data storage solutions
• Ensure the responsiveness and boost the performance of our apps
• Find and address the various bottlenecks and bug-fixes
• Help in code automatization
• Proficient use of GIT.

Interpersonal skills :

• Must be comfortable working in a team and independently when required.
• Must be disciplined, proactive, and self-motivated
• Needs to have problem-solving and analytical skills
• Good to have previous experience of direct client interaction for project briefs and updates.

What You Need To Apply:

• Previous work experience as a Node.js developer for 1 year at least.
• Strong experience with Javascript
• Self-motivated with the ability to work independently or jointly in a self-directed way.
• Demonstrated successful development of web or mobile-based applications
• Proven analytical and problem-solving capabilities
• Keen attention to detail
• Strong work ethic and desire to build industry-leading products
• Proactive instead of reactive
• Looking for ways to improve self and projects.

If you have it all in you, we are happy to have you with us!!!

Perks and Benefits:

We at Codebuddy believe our team is our biggest strength and we believe in paying our team members fair remuneration because we respect everyone’s effort.

• Review in every 9-12 months
• Opportunity to learn new technologies at the company's expense
• On-time salary (7th of every month)
• Fair pay policy
• Easy leave structure
• Performance awards
• Festival gifts
• Annual picnic
• Monthly dinner parties

We will be even happier if you have:

• Proficiency in Nest.js or Express.js,
• Being an open-source contributor,
• Ability to discover functional and non-functional requirements of an app, based on various levels of inputs from clients,
• Ability to transform customer ideas to business model and scope understandable by technical experts,
• Having excellent stakeholder management and client-facing skills.

Joining Codebuddy Means:

• Working in a comfortable and stimulating environment that boosts creativity,
• Being involved in challenging projects,
• Taking part and initiating knowledge-sharing initiatives,
• Working with clients from around the world, 
• Having the opportunity to bounce your ideas off our experienced team,
• Enjoying flextime and flexplace: adjust your daily schedule to your individual needs!
• We decide together and value equality: there is no strong hierarchy in our teams, and every opinion is more than welcome,
• Processes based on Scrum and Agile methodologies,
• Dev-friendly processes such as Code Review,
• The constant development of your hard and soft skills 
• Having a smooth start: your leader and a buddy will support you and mentor you.

What will happen next?

• Fill out the form
• Give us some time to review your application
• Meet us for an interview
• Complete a recruitment task to see how we work
• Join our team!

Job Description:

• Expert level knowledge of JavaScript
• We use Airbnb style to code
• Should be strong in Problem solving skills, data structure and algorithms
• Strong Proficiency in Node.js with detailed experience in Express, loopback, swagger, PM2
• Should have well understanding on Asynchronous Programming
• Experience with Socket.io, engine.io (Preferred)
• Working knowledge of Promise, Callback hell and ways to avoid it
• Solid experience with RDBMS (PostgreSQL)
• Experience with Redis, MongoDB (Preferred)
• Understanding of the design Principles of a scalable system
• Exposure to GCP/ AWS is must
• Excellence in Programming, Debugging and Maintaining the code
• A strong ability to quickly learn new technologies and to keep yourself updated with the latest in tech
• A go-getter attitude with oceans of optimism, humility, and self-motivation
• Passion for code quality and attention to detail
• Experience with Code versioning tool like Git, SVN is preferred