
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
About
Similar jobs
Job Title : Senior Node.js Developer
Experience : 5 to 10 Years
Location : Gurugram (5 days WFO) | Initial 15 days in Udaipur (expenses covered)
Notice Period : 1 Month or less
Role Overview :
We are hiring a Senior Node.js Developer to lead and deliver scalable solutions, drive best practices, and mentor engineers. Strong Node.js expertise is mandatory (MERN experience welcome with Node.js depth).
Mandatory Skills :
Node.js, Express.js, Data Structures & Algorithms, System Design (HLD/LLD), CI/CD, Git, Agile, Async programming, Debugging & Performance Optimization.
Key Responsibilities :
- Lead development and ensure high‑quality delivery.
- Gather requirements, design (HLD/LLD), and implement solutions.
- Optimize performance, scalability, and integrations.
- Mentor team members and support hiring.
- Collaborate in Agile teams and enforce coding best practices.
Required Skills :
- 5 to 10 Years in backend with Node.js/Express.js.
- Strong in DSA, problem‑solving, and system design.
- Experience with CI/CD, Git, and Agile methodologies.
- Expertise in async programming, debugging, and performance tuning.
- Excellent communication and collaboration skills.
Nice to Have : MERN stack exposure, cloud (AWS/Azure/GCP), Docker, caching/queues.
Interview Process :
- AI Technical Interview
- System Design Round (HLD & LLD)
- Data Structures & Algorithms
- HR Interview
Location :
- Primary : Gurugram (Digital Greens, Sector 61)
- Initial 15 days : Udaipur (A‑square, Shobhagpura)
Note : Preference for Gurugram/NCR candidates. Stable profiles only.
Responsibilities :
● Designing and developing robust and scalable server-side applications using Python, Flask, Django, or other relevant frameworks and technologies.
● Collaborating with other developers, data scientists, and data engineers to design and implement RESTful APIs, web services, and microservices architectures.
● Writing clean, maintainable, and efficient code, and reviewing the code of other team members to ensure consistency and adherence to best practices.
● Participating in code reviews, testing, debugging, and troubleshooting to ensure the quality and reliability of applications.
● Optimizing applications for performance, scalability, and security, and monitoring the production environment to ensure uptime and availability. ● Staying up-to-date with emerging trends and technologies in web development, and evaluating and recommending new tools and frameworks as needed.
● Mentoring and coaching junior developers to ensure they grow and develop their skills and knowledge in line with the needs of the team and the organization.
● Communicating and collaborating effectively with other stakeholders, including product owners, project managers, and other development teams, to ensure projects are delivered on time and to specification.
You are a perfect match, if you have these qualification :
● Strong experience in Python and server-side development frameworks such as Flask or Django.
● Experience in building RESTful APIs, web services, and microservices architectures.
● Experience in using database technologies such as MySQL, PostgreSQL, or MongoDB.
● Familiarity with cloud-based platforms such as AWS, Azure, or Google Cloud Platform.
● Knowledge of software development best practices such as Agile methodologies, Test-Driven Development (TDD), and Continuous Integration/Continuous Deployment (CI/CD).
● Excellent problem-solving and debugging skills, and the ability to work independently as well as part of a team.
● Strong communication and collaboration skills, and the ability to work effectively with other stakeholders in a fast-paced environment
What kind of work will you get?
We are looking for a Nodejs developer.
Examples of technical tasks:
Working on our backend SDK to implement APIs that will be consumed by the frontend widgets
Designing APIs for different auth recipes
Architecting auth flows
You will also be given non technical tasks like product brain storming, competitor analysis and writing documentation.
Note: Compensation is as per the applicant's geography
Requirements
Well versed in nodejs with 2+ years of professional experience
Familiar with and comfortable working with Web frameworks like FastAPI, Django and Flask
Familiar with HTTP networking in nodejs
Strong understanding of async and sync modes in nodejs
Bonus:
Contributed to open source, or have your own open source repo with a community and many github stars
Built an in-house authentication or authorization solution or worked with solutions such as Keycloak, Auth0, Ory, Okta etc
About Us
Aura is developing a platform to help companies/communities mint, buy, trade and sell NFTs in the easiest manner possible. Developing a state of the art store front customized to the community and a user friendly interface to unlock the digital growth of companies in the gaming, art, music, etc space by leveraging the power of NFTs. We are assembling a high performing team from the tech ecosystem to build this product and compete with the likes of NBA TopShot.
Requirements:
- Integration of user-facing elements developed by a front-end developers with server side logic
- Building reusable code and libraries for future use
- Optimization of the application for maximum speed and scalability
- Implementation of security and data protection
- Design and implementation of data storage solutions
Skills and Qualifications:
- 2+ years of experience in Node.js. Basic understanding of front-end technologies and platforms, such as JavaScript, HTML5, and CSS3
- Good understanding of server-side CSS preprocessors, such as LESS and SASS
- Integration of multiple data sources and databases into one system
- Management of hosting environment, including database administration and scaling an application to support load changes
- 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
- Proficient understanding of security principles
- Understanding of “session management” in a distributed server environment
- Must have an understanding of SQL and NoSQL databases like Postgres, MySQL, Mongodb etc.
- Must have an understanding of Cloud: AWS or GCP
- Must have a good understanding of data structures and Algorithms
Benefits:
- Work on the cutting edge of blockchain technology and the upcoming use-case of NFTs (Non Fungible Token)
- Be a part of an early stage startup with funding from founders of Polygon
P.S. The website to our company is https://auranft.co/
He/she should have minimum 3 yrs working experience on PHP, PHP Frameworks, Ajax, Knowledge on CMS platform like Open cart, payment gateway integration, experience working on portals.
Responsibilities :
- Execute full lifecycle software development
- Develop, designed well efficient code
- Integrate software components into a fully functional software system
- Fully adaptive to the technology needed for the current project
Required Skills :
- Bachelor/ Master degree from good college.
- Strong knowledge of algorithms, data structure
- Understanding object-oriented programming
- Excellent knowledge of PHP, Mysql, SQL. NoSQL, Mongodb
- Ability & Readiness to work with any technology
- Familiarity with software development methodology and release processes.
- Strong problem-solving skills and excellent communication skills.
Job Type: Full-time
Qrata is currently searching for a full stack developer for a YC backed product startup.
Familiar with push notifications service and socket programming
Self-motivated with the ability to work independently or jointly in a self-directed way.
Demonstrated successful development of enterprise-grade web applications
Proven analytical and problem-solving capabilities
Comfortable leading product development
Strong work ethic and desire to build industry-leading products
Startup experience
Worked on product development
Built on a foundation of AI we are automating enterprise application integration, data integration, data preparation for Analytics and bot automation. We are looking to build our engineering development center in Pune with passionate and entrepreneurial developers at all levels (Interns, Fresh Graduates, Senior Software Engineers and Architects).
As a Architect/Technology Lead you will be involved in design and development of enterprise automation. Knowledge of building workflow engines, microservices design patterns, experience with large scale enterprise architectures, springboot, kafka, data management and caching is needed. At a startup you will be wearing multiple hats engineering, presales, talking to customers, setting up operational processes.

It can be taking our own product and customizing as per the customer requirements or developing applications from the scratch.







