
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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1) Familiar with the the Django REST API Framework.
2) Experience with the FAST API framework will be a plus
3) Strong grasp of basic python programming concepts ( We do ask a lot of questions on this on our interviews :) )
4) Experience with databases like MongoDB , Postgres , Elasticsearch , REDIS will be a plus
5) Experience with any ML library will be a plus.
6) Familiarity with using git , writing unit test cases for all code written and CI/CD concepts will be a plus as well.
7) Familiar with basic code patterns like MVC.
8) Grasp on basic data structures.
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,
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- 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!
As a Node.js Developer, you will be responsible for:
Designing, developing, and maintaining server-side applications and systems using Node.js, a JavaScript runtime environment. Your expertise in backend development, JavaScript, TypeScript, and REST APIs will play an essential role in creating efficient and powerful server-side applications.
Responsibilities:
● Design and implement efficient, secure, and maintainable server-side code using Node.js.
● Collaborate with the front-end development team to integrate user-facing elements with server-side logic.
● Develop APIs for seamless data flow between the front-end and back-end.
● Optimize application performance and ensure high availability and scalability.
To succeed in this role – you should have the following:
● Minimum of 3-4 years of experience as a backend developer.
● Must have proven experience as a Back-End Developer, with a focus on Node.js.
● Proficiency in JavaScript, TypeScript, and related frameworks (Express.js, Hapi.js, etc.).
● Experience with RESTful API design principles.
● Experience with agile development methodologies.
● Familiarity with working with at least one of PostgreSQL or MongoDB.
● Familiarity with version control systems (Git)
● Strong communication skills and ability to work collaboratively in a team.
● Strong problem-solving skills and attention to detail.
Added bonus:
● Familiarity with frontend development technologies like HTML and CSS.
● Experience working with Docker, Github Actions, and other common CI/CD pipelines
● Knowledge about AWS components (S3, EC2, Cloudfront, Redis Clusters, etc.)
Education:
Bachelor's degree in Computer Science, Information Technology, or a related field
Radisys Corporation, a global leader in open telecom solutions, enables service providers to drive disruption with new open architecture business models. Our innovative technology solutions leverage open reference architectures and standards, combined with open software and hardware, to power business transformation for the telecom industry. Our services organization delivers systems integration expertise necessary to solve complex deployment challenges for communications and content providers.
Job Overview :
We are looking for a Lead Engineer - Java with a strong background in Java development and hands-on experience with J2EE, Springboot, Kubernetes, Microservices, NoSQL, and SQL. As a Lead Engineer, you will be responsible for designing and developing high-quality software solutions and ensuring the successful delivery of projects. role with 7 to 10 years of experience, based in Bangalore, Karnataka, India. This position is a full-time role with excellent growth opportunities.
Qualifications and Skills :
- Bachelor's or master's degree in Computer Science or a related field
- Strong knowledge of Core Java, J2EE, and Springboot frameworks
- Hands-on experience with Kubernetes and microservices architecture
- Experience with NoSQL and SQL databases
- Proficient in troubleshooting and debugging complex system issues
- Experience in Enterprise Applications
- Excellent communication and leadership skills
- Ability to work in a fast-paced and collaborative environment
- Strong problem-solving and analytical skills
Roles and Responsibilities :
- Work closely with product management and cross-functional teams to define requirements and deliverables
- Design scalable and high-performance applications using Java, J2EE, and Springboot
- Develop and maintain microservices using Kubernetes and containerization
- Design and implement data models using NoSQL and SQL databases
- Ensure the quality and performance of software through code reviews and testing
- Collaborate with stakeholders to identify and resolve technical issues
- Stay up-to-date with the latest industry trends and technologies
Location: Remote (Work from Home)
Job title: NodeJS Developer
Job Type: Full-Time
Experience required: 3+ years
Role
As a NodeJS developer at Techwondoe, you will be designing, developing and deploying applications built using nodeJS techstack. You will start working on a project that has cloud functions, services built using nodeJS and deployed into GCP.
Responsibilities
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- Write unit tests for all the code with good coverage
- Develop and maintain Cl/CD pipelines in gitlab
- Mentor junior engineers by reviewing their code, guiding them in right direction
- Build quality code that is easily readable, scalable and maintainable
Skills Required
- 3+ years of working experience using nodeJS
- Strong expertise in cloud platforms (AWS or GCP)
- Hands on experience with SQL
- Experience in designing and developing serverless applications
- Knowledge of SOLID principles, Design patterns
- Good to have hands on experience with terraform
- Good to have experience in building efficient CI/CD pipelines
- Experience with mentoring junior engineers
- Ability to up-skill in new technologies
- Innovative thinker with strong problem-solving skills
You will get to design, architect and develop complex enterprise software and SaaS web applications leveraging modern web stack.
Roles & Responsibilities
Design & build highly scalable, high performance, responsive web applications.
Take full ownership and responsibility for building, shipping, and maintaining core product features, end to end. Help out in building the backend & front-end infrastructure.
Translation of requirements, designs and wireframes into high quality code. Collaborate closely with designers, engineers, founders and product managers.
Mentor team members and review their work.
You will enjoy this role if you...
Are a geek with a desire to stay ahead of the curve.
Like building beautiful well-architected software products with millions of users.
Work collaboratively as part of a close-knit team of geeks, architects and leads.
Desired Skills & Experience:
2 - 6 years of production experience with modern web frameworks - Ruby on Rails, Phoenix/Elixir and/or Django/Python.
Should have sound experience in developing scalable / distributed SaaS apps
Should have good knowledge and work experience in REST API implementations, JSON format handling, caching, sessions, multi-threading, etc.
Should be comfortable with database schema design and leveraging SQL & NoSQL (PostgreSQL, MySQL, Redis, Elasticsearch, DynamoDB)
Experience developing, consuming and transforming internal and 3rd party API's (REST and GraphQL)
Experience with code quality and reusability practices (CI/CD for back-end & front-end repos)
Solid foundation in data structures, algorithms, distributed systems, design patterns.
Strong understanding of software engineering best practices, including unit testing, code reviews, design documentation, debugging, troubleshooting, and agile development
Communication: You like discussing a plan upfront, welcome collaboration, and are an excellent verbal and written communicator.
Bachelor’s degree in Computer Science or equivalent experience.
Bonus points if you have...
Exposure to front-end technologies like React/Redux, Javascript/Typescript etc.
Cloud native development on AWS or GCP
Experience with implementation of container technologies like Docker, Kubernetes. Knowledge of continuous integration, continuous delivery and enterprise DevOps concepts.
Recently Expertrons raised a funding of $2.3 Mn in the Pre Series A round witnessing investors like Yoga Capital, Venture Catalysts, Auxano Capital, and existing investors LetsVenture, Ivycap Ventures, Iceland Venture Studios, Nikhil Vora (MD, Sixth Sense), and more.
Website: https://www.google.com/url?q=https://www.expertrons.com/&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNHrV5rXdGMrOg122V0uheUES199uw">https://www.expertrons.com/
Expertrons Android App: https://www.google.com/url?q=http://bit.ly/expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNGPySWJi-oUbq2znsqtcN9KMxdcnQ">bit.ly/expertrons
Product Demo Video: https://www.google.com/url?q=https://bit.ly/ProductDemo_Expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNEszDynXjNJRxVfeuhH95YB9WcI8Q">https://bit.ly/ProductDemo_Expertrons
Watch Explainer Video: https://www.google.com/url?q=https://bit.ly/Explainer_Expertrons&sa=D&source=editors&ust=1632121892142000&usg=AFQjCNGSyGd1xSX8DaQcCv2jj0Kr8hzgUg">https://bit.ly/Explainer_Expertrons
It is good to have an understanding of Design Patterns and mandatory OOP principles
Role:
1. Passionate software developer with 3+ years of hands-on software application development experience
2. Experience designing and developing service-based architectures, microservices, and cloud-native applications
3. Demonstrated Experience or good understanding in Cloud Computing using AWS, GCP or other cloud providers
4. Containerization experience with applications deployed on Docker or Kubernetes
5. Demonstrated knowledge of Distributed and Scalable systems
6. Experience with Git or other version control systems Test-driven development (TDD)
7. Ability to quickly adapt & independently work in a fast-paced Agile environment with minimum supervision
8. Excellent communication and interpersonal skills. Articulates thoughts and ideas clearly, concisely, and persuasively
9. A self-starter with demonstrated ability to take initiative, who can proactively identify issues/opportunities and recommend action
Responsibilities:
1. Design and develop highly scalable, highly available, reliable, secure, and fault-tolerant systems with minimal guidance for one of the fastest-growing companies in India
2. Translate business requirements into scalable and extensible design
3. Pair with team members on functional and non-functional requirements and spread design philosophy, goals and improve the code quality across the team
4. Partner with the product management team to define and execute the feature roadmap
5. Coordinate with cross-functional teams (Mobile, UX, etc.) on planning and execution.
6. Proactively manage stakeholder communication related to deliverables, risks, charges, and dependencies
7. The building of all server-side logic, definition, and maintenance of the central database, and ensuring high performance and responsiveness to requests from the front-end
Skill Requirements:
1. Understanding of JavaScript/Object-Oriented JS
2. Hands-on Node JS and related frameworks such as Express.js.
3. Good hold on MongoDB and Redis caching.
4. Experience in Unit testing frameworks like Mocha/Chai.
5. Proficient understanding of code versioning tools, such as SVN or GIT
6. Worked on API-driven micro-services architecture
You can apply for the position:
1. Preferred available for full-time in-office employment (Office Location - Andheri, Mumbai)
2. Preferred work from office
3. Preferred Can join immediately
4. Preferred a personal laptop
5. Have the relevant skills and interests
Rewards:
1. Entrepreneurial Exposure
2. Letter of Recommendation
3. Become a part of an elite group of innovators
4. ESOP opportunity based on Interview interaction
5. Grow up to 10X in 3 years
The idea is not to live forever, but to create something that will!
Be a part of our growing team and climb up the ladder of success. So, if you have the expertise, skills, quirks that can help you add value to Expertrons, then apply with us, now!
• Experience with frameworks such as Angular, React, and Express etc.
• Integration of data storage solutions such as Redis, MongoDB, Postgres, MySql.
• Hands on experience with HTML, CSS, and AJAX, javascript.
• Understanding of HTTP protocol, RESTful data structures and JSON format
• Familiarity with package managers (NPM, Bower)
• Experience with cloud services such as Amazon, Google, or Microsoft.
• Familiarity with version control (Git, Mercurial, Subversion)
• Exposure to working with API's (preferable RESTful /SOAP API's)
• Experience with cross-browser, cross-platform, and design constraints on the web.
• Experience in software design patterns, problem solving and troubleshooting skills.
• Proven problem-solving and interpersonal communication skills.
• Ability to operate effectively both independently and within a team.

We are looking to hire seasoned .net Developers with minimum experience of 4 years - 11 years for our client based Germany. This position is contract-to-hire, so you have the chance to permanently join our team with competitive salary and benefits if you show you are a dedicated and valuable member of the team.
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Job Location: Mohali (WFO)
Salary Budget: 6 to 13 LPA
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2. The key focus will be execution of implementation, deployment, and support, with a consultative approach aimed at promoting modern development practices.
3. You will be working with and supporting a distributed team of technical resources with a range of e highly experienced members.
4. The scope of work is extensive, and all candidates must have a broad range of technical capabilities.
Tech Stack Required for the profile:
1. C# with http://asp.net/">ASP.NET 5.0 (#Mandatory)
2. MongoDB (#Mandatory)
3. Git / Bitbucket
4. Experience with Microservice architectures (#Mandatory)
5. Experience with REST
***Nice to have***
1. GraphQL
2. Docker
3. Kubernetes / Helm
4. Experience with social media and e-commerce systems
Required Candidate profile:
1. Strong analysis, design, programming and testing skills
2. Excellent Coding Skills
3. Ability to learn new Technologies
4. Must be a self-starter who requires minimal supervision.
5. Resources must have exemplary Communication Skills.
6. Experienced in direct client interaction.
7. Should be creative, quick learner and hard working
8. Priority given to immediate joiners or can join at the earliest








