
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
- Develop and maintain RESTful/GraphQL APIs using Node.js, adhering to best coding practices and reusable code structures.
- Write optimized MongoDB queries for collections with crores of records, ensuring efficient data retrieval and storage.
- Design MongoDB collections, implement indexing strategies, and optimize replica sets for performance and reliability.
- Scalability & Performance
- Implement horizontal and vertical scaling strategies to handle growing data and traffic.
- Optimize database performance through indexing, aggregation pipelines, and query tuning.
- External Integrations & Debugging
- Integrate third-party APIs (payment gateways, analytics tools, etc.) and SDKs seamlessly into backend systems.
- 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:
- MongoDB: Collection design, indexing, aggregation pipelines, replica sets, and sharding.
- Node.js: Asynchronous programming, middleware, and API development (Express.js/Fastify).
- Query Optimization: Writing efficient queries for large datasets (crores of records).
- Strong debugging skills and experience in resolving production issues.
- Hands-on experience with external integrations (APIs, SDKs, webhooks).
- Knowledge of horizontal/vertical scaling techniques and performance tuning.
- Familiarity with AWS services (Lambda, SQS, S3, EC2).
Preferred Skills
- Experience with microservices architecture.
- Knowledge of CI/CD pipelines (GitLab CI, Jenkins).
- Understanding of Docker, Kubernetes, or serverless frameworks.
- 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

About Inncircles
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Ability to translate Wireframes and PSD Designs into functional web apps using HTML5, AngularJS, React , Node.js, and Mongo
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Binding of UI elements to JavaScript object models
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Creating RESTful services with Node.js
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Architect scalable web architectures
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Work in a cross-functional team to deliver a complete user experience
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We are looking for an experienced Node.js Developer with at least 3-years of experience. In this role, you will be responsible for developing and maintaining server-side applications and building scalable applications using Node.js. It is a WFH/Remote, full-time position.
Responsibilities
- Design and develop RESTful APIs using Node.js
- Build and maintain high-performance, reusable, and reliable code
- Write unit and integration tests for all code changes
- Developing and maintaining all server-side network components
- Designing customer-facing UI and back-end services for various business processes
- Collaborate with cross-functional teams to define, design, and ship new features
- Optimize application performance and ensure scalability and reliability
- Troubleshoot and debug issues in the application codebase
- Documenting Node.js processes, including database schemas, as well as preparing reports
Qualifications
- 3+ years of experience designing and/or developing applications using node.js
- Extensive knowledge of JavaScript, web stacks, libraries, and frameworks
- Strong experience with ExpressJS or Restify frameworks
- Very well understanding of Javascript, Browsers, real time communication
- Experience with ReactJS & MongoDB is a plus
- Strong fundamentals in OOPS, Data structured and Design Patterns
- Knowledge of front-end technologies such as HTML5 and CSS3
Key Responsibilities:
- Rewrite existing APIs in NodeJS.
- Remodel the APIs into Micro services-based architecture.
- Implement a caching layer wherever possible.
- Optimize the API for high performance and scalability.
- Write unit tests for API Testing.
- Automate the code testing and deployment process.
Skills Required:
- At least 2 years of experience developing Backends using NodeJS — should be well versed with its asynchronous nature & event loop, and know its quirks and workarounds.
- Excellent hands-on experience using MySQL or any other SQL Database.
- Good knowledge of MongoDB or any other NoSQL Database.
- Good knowledge of Redis, its data types, and their use cases.
- Experience with graph-based databases like GraphQL and Neo4j.
- Experience developing and deploying REST APIs.
- Good knowledge of Unit Testing and available Test Frameworks.
- Good understanding of advanced JS libraries and frameworks.
- Experience with Web sockets, Service Workers, and Web Push Notifications.
- Familiar with NodeJS profiling tools.
- Proficient understanding of code versioning tools such as Git.
- Good knowledge of creating and maintaining DevOps infrastructure on cloud platforms.
- Should be a fast learner and a go-getter — without any fear of trying out new things Preferences.
- Experience building a large scale social or location-based app.
3+ years of experience developing Backends using NodeJS. Should be well versed with its asynchronous nature, event loop, promises, and callbacks.
Node expressProficient in Node.js and working knowledge of JavaScript, JQuery, AJAX, HTML, CSS, and frameworks ( React.js)
Experience in Node JS MVC framework and Rest API frameworks like Express.
Experience developing desktops.
Experience in Mongo DB.
Familiarity with using AWS components.
Postman for documenting/testing APIs.
Location - Pune/ Mumbai/ Bangalore
Education
Degree, Postgraduate in Computer Science or related field (or equivalent industry experience)
Experience
- Minimum 5 years of coding experience in NodeJS, JavaScript and Databases.
- At least 1 year hands-on in TypeScript .
- Hands-on experience in performance tuning, debugging, monitoring
Technical Skills
- Excellent knowledge developing scalable and highly-available Restful APIs using NodeJS technologies
- Practical experience with GraphQL.
- Experience in working with AWS platform and its core services like Lambda, Cloud Watch, Cloud Formation, CDK, SQS, S3 etc., or its equivalent Azure services
- Hands-on working experience in front-end applications development with HTML, CSS, Node JS with strong working experience in backend technologies Java, TypeScript and JavaScript programming languages.
- Understanding of containerization, experienced in Dockers , Kubernetes.
- Exposed to API gateway integrations like 3Scale.
- Understanding of Single-Sign-on or token-based authentication (Rest, JWT, oAuth)
- Experience on DevOps ways of working with good understanding on CI/CD and actively involved in solving, troubleshooting issues in distributed services ecosystem
- Hands on experience with both SQL and No-SQL databases.
- More than 3 years proven experience in developing high volume scalable cloud solutions utilizing platforms like Amazon AWS or Microsoft Azure.
- Possess expert knowledge of task/message queues include but not limited to: AWS, Microsoft Azure, Pushpin and Kafka
Functional Skills
- Experience in following best Coding, Security, Unit testing and Documentation standards and practices Experience in Banking, Financial and Fintech experience in an enterprise environment preferred
- Experience in Agile methodology.
- Ensure quality of technical and application architecture and design of systems across the organization.
- Effectively research and benchmark technology against other best in class technologies.
Soft Skills
- Able to influence multiple teams on technical considerations, increasing their productivity and effectiveness, by sharing deep knowledge and experience.
- Self-motivator and self-starter, Ability to own and drive things without supervision and works collaboratively with the teams across the organization.
- Have excellent soft skills and interpersonal skills to interact and present the ideas to Senior and Executive management
Requirement Analysis
- Programming/Software Development
- Developer Testing
- Code Review
- Client Handling
We are looking for a highly capable Node.js developer to optimize our web-based application performance. You will be collaborating with our front-end application developers, designing back-end components, and integrating data storage and protection solutions.
To ensure success as a Node.js developer, you should possess extensive knowledge of Node.Js based services and experience in a similar role. An accomplished Node.js developer will be someone whose expertise results in the stable, fast, and secure exchange of data between servers and end-users.
Node.js Developer Responsibilities:
Developing and maintaining all server-side network components.
Ensuring optimal performance of the central database and responsiveness to front-end requests.
Collaborating with front-end developers on the integration of elements.
Designing customer-facing UI and back-end services for various business processes.
Developing high-performance applications by writing testable, reusable, and efficient code.
Implementing effective security protocols, data protection measures, and storage solutions.
Running diagnostic tests, repairing defects, and providing technical support.
Documenting Node.js processes, including database schemas, as well as preparing reports.
Recommending and implementing improvements to processes and technologies.
Keeping informed of advancements in the field of Node.js development.
Node.js Developer Requirements:
Bachelor's degree in computer science, information science, or similar.
At least two years' experience as a Node.js developer.
Extensive knowledge of JavaScript, web stacks, libraries, and frameworks.
Knowledge of front-end technologies such as HTML5 and CSS3.
Superb interpersonal, communication, and collaboration skills.
Exceptional analytical and problem-solving aptitude.
Great organizational and time management skills.
Availability to resolve urgent web application issues outside of business hours
Roles and Responsibilities :
- Design, Develop, test and maintain software applications with MVC architectures, Microservices and scalable cloud-native apps.
- Perform hands-on coding and provide thoughtful code reviews
- Mentor and lead team members to continuously improve the quality and productivity of deliverables
- Demonstrate ability to work within an agile team as well as collaborate with many other teams on design and implementation strategies. Follow SCRUM Agile Development methodology
- Effective Communication Skills- An ability to express your ideas to the recipient & Co-ordinate and communicate with the cross-functional team along with the client's team
- Problem Solving, Hustler - Get Stuff Done, Self-Disciplined Open-minded, User-Focused, Adaptive
- Lean Principles & Analytical Thinking
- Project planning, timelines and milestones for execution and deliverables
- Participate in the Evaluation Review of your team member
Primary Skills
- Expert in Python with experience on Django.
- Expert in server programming, you should be able to implement complex business logic.
- Good understanding of the threading limitations of Python, and multi-process architecture.
- Good understanding of fundamental design principles behind a scalable application.
- Knowledge of event-driven programming in Python.
- Experience with python packages like Numpy, pandas, flask, Pyspark, pymongo, os, logging, re, pyyaml.
- Experience with swagger io module to expose API
- Strong unit test and debugging skills.
- At least 2 years of experience in RESTful API/HTTP/JSON`
- Knowledge of AWS cloud and python Boto lib.
- Proficient understanding of code versioning tools Like Git.
- Good understanding of Linux OS.
Secondary Skills:
- AWS Kinesis
- Web Sockets
- RAbbitMQ
- AWS Cloud formation









