Senior Product Developer - Backend at Inncircles · Hyderabad · 3 - 6 years · ₹10L - ₹24L / yr · Profitable · Posted 18 Sep 2025

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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Job Summary
We are looking for a skilled Backend Developer with strong Node.js experience to join our development team. The ideal candidate should have hands-on experience in building scalable, secure, and high-performance backend applications and APIs.
You will work closely with frontend developers, product managers, and other engineering teams to design, develop, test, and maintain backend services and applications.
Key Responsibilities
- Design, develop, and maintain scalable backend applications using Node.js.
- Build and maintain RESTful APIs and backend services.
- Write clean, reusable, maintainable, and efficient code.
- Work with databases such as MongoDB, PostgreSQL, MySQL, or similar.
- Integrate third-party APIs and external services.
- Implement authentication, authorization, and security best practices.
- Optimize application performance, scalability, and reliability.
- Identify and resolve bugs, performance issues, and production problems.
- Write unit and integration tests to ensure application quality.
- Collaborate with frontend developers to integrate APIs with web/mobile applications.
- Participate in code reviews and follow development best practices.
- Work with Git and standard CI/CD and deployment processes.
- Contribute to system design and technical discussions.
Required Skills
- 2–6 years of professional experience in backend development.
- Strong hands-on experience with Node.js.
- Good knowledge of JavaScript and/or TypeScript.
- Strong understanding of REST APIs, HTTP, JSON, and API design.
- Experience with Express.js, NestJS, or similar Node.js frameworks.
- Good understanding of relational or NoSQL databases such as PostgreSQL, MySQL, or MongoDB.
- Knowledge of SQL and database design.
- Experience with Git/GitHub/GitLab/Bitbucket.
- Understanding of authentication mechanisms such as JWT/OAuth.
- Strong problem-solving and debugging skills.
- Good understanding of data structures, algorithms, and backend architecture.
Good to Have
- Experience with TypeScript.
- Knowledge of AWS / Azure / GCP.
- Experience with Docker and Kubernetes.
- Knowledge of Redis, Kafka, RabbitMQ, or other caching/message queue technologies.
- Experience with microservices architecture.
- Familiarity with CI/CD pipelines.
Backend Developers
- Contract To Hire (Initial Engagement: 6 months)
Experience: 5+ years
Mandatory Skills:
● Node.js
● Python
● MongoDB
● PostgreSQL
● REST API design and development
● Backend architecture and service design
● Database design, indexing and query optimisation
● Performance tuning
● Authentication/authorisation
● Third-party integrations
● Asynchronous processing and background jobs
● Logging, monitoring and debugging
● Git and collaborative development
● Scalable, maintainable and testable backend services
● Architecture discussions, code reviews, debugging and production support
Good to have:
● Microservices
● Docker
● Cloud platforms
● Redis
● Message queues
● CI/CD
● Observability
Job Title : Senior Backend Engineer – Node.js & TypeScript
Experience : 4+ Years
Employment Type : Contract – 3 Months
Location : Pune
Work Mode : On-site
Working Hours : 03:00 PM to 11:00 PM OR 03:00 PM to 12:00 AM
Time Zone : Minimum 4-hour overlap with Eastern Time (ET)
About the Role :
We are looking for a Senior Backend Engineer to design, develop, and scale an AI-led digital platform. The role involves working closely with the Founder/CEO and technical team on architecture, product development, innovation, and end-to-end feature ownership.
Mandatory Skills :
Node.js, TypeScript, REST, GraphQL, PostgreSQL, SQL, Prisma / TypeORM / Sequelize, AWS (ECS, EC2, S3, RDS, Lambda), Airbyte / dbt / Airflow / AWS Glue, Data Warehousing, Event-Driven Architecture, Message Queues, CI/CD, Automated Testing, Backend Architecture, Scalability & Performance.
Key Responsibilities :
- Design and develop scalable backend services using Node.js and TypeScript.
- Build and optimize REST and GraphQL APIs.
- Work with PostgreSQL, SQL, and ORMs such as Prisma / TypeORM / Sequelize.
- Design data pipelines using Airbyte, dbt, Airflow, or AWS Glue.
- Manage and optimize AWS infrastructure including ECS, EC2, S3, RDS, and Lambda.
- Implement CI/CD, automated testing, event-driven architectures, and message queues.
- Optimize API performance, scalability, reliability, and data warehouse solutions.
- Own features end-to-end from design to production.
- Participate in code reviews, on-call support, and production troubleshooting.
- Collaborate with Product, QA, and Engineering teams and mentor junior developers.
- Work closely with the Founder / CEO on technical solutioning and product innovation.
Requirements :
- 4+ years of hands-on Node.js & TypeScript backend development.
- Strong experience with AWS, PostgreSQL, SQL, APIs, and backend architecture.
- Hands-on experience with data pipelines and data warehousing.
- Experience with CI/CD, automated testing, event-driven systems, and message queues.
- Strong problem-solving skills and end-to-end ownership mindset.
- Ability to work independently in a fast-paced environment.
- Good communication and collaboration skills.
- Bachelor's degree in Computer Science, IT, or a related field.
Preferred :
- Terraform / CloudFormation and Infrastructure as Code.
- Docker / Kubernetes and strong DevOps exposure.
- AWS backup / disaster recovery experience.
- Exposure to GCP / Azure.
- Startup / early-stage product development experience.
About the Job -
We have always been in the spotlight for being adeptin “the next big technologies”. What we can offer you is a space to explore varied technologies and quench your techie soul. We are looking for Developer skilled in technologieslike Node.js and AWS who also holds experience with user-interface design.
Responsibilities: ● The full stack developer will be responsible for design and development of scalable and flexible web applications and creating API to connect to databases and applications from back-end to client-side code, using optimal and efficient technologies, frameworks, and patterns.
● Take responsibility for design, implementation and maintain existing development ecosystem, including bugs – fixing, design and develop new custom components to meet project requirements.
● Working with other developers and software engineers to develop front-end and back-end architecture that's well-structured and flexible, along with the APIs to support it.
● Install and configure server environments for React deployments maintain and update project dependencies as well as fix any conflicts.
● Responsible for regular communication with developer team involved in the development process and testing of new features in the application
● Analyzing requirements and designing new functionality for new projects with cutting edge technology with research on optimization and new features for the existing product by ensuring a required level of performance.
● Candidate must be abreast with latest technologies and trends, relevant standards should be able to work effectively in a multidisciplinary, multinational team environment focused on innovation with comfortable working on a range of problems.
Desired Competencies(Technical/Behavioral Competency) – Must Have-
● Nodejs, MongoDB, Socket.IO and Redis.
● Proficient in Node.js and MongoDB and working knowledge of JavaScript, JQuery, HTML, CSS, frameworks (Angular.js, React.js)
● Experience with Unix/Linux or Windows and/or Mac environments, distributed systems
● Excellent practical knowledge of OOP concepts and SOLID principles ● Microservices and agile development
● Hands-on experience with cloud (AWS) development/hosting.
● Experience with Web services development (SOAP, REST)
● Strong in Object Oriented Programming, MVC, Design patterns and SOLID principles.
Skills Required:
- Node.js
- MongoDB
- Angular
- API optimization
- Micro Services
- Multi threading
- Socket.io
Strong Backend Node.js Developer Profile
2
Mandatory (Experience 1) – Must have 7+ years of hands-on Backend Engineering experience using Node.js building production-grade systems for B2C products at meaningful consumer scale
3
Mandatory (Experience 2) – Must be AI-native in their own engineering workflow: already uses LLMs and agentic tooling across the SDLC, from design and code generation through testing and debugging
4
Mandatory (Experience 3) – Must have owned backend architecture end to end, including greenfield builds. Should be able to make early architecture calls and reason clearly about service boundaries, data flow, caching, queueing, failure modes, scalability, and reliability trade-offs under real constraints.
5
Mandatory (Experience 4) – Must have a solid understanding of backend fundamentals, including API development, service-oriented architecture, data structures, algorithms, and clean coding practices
6
Mandatory (Experience 5) – Must have experience designing, building, and maintaining APIs and backend services, including integrations with external systems and third-party platforms
7
Mandatory (Experience 6) – Must have strong experience working with databases (SQL and/or NoSQL), including efficient data modeling, query optimization, and performance tuning
8
Mandatory (Company) – Must have worked in B2C product companies / startups at meaningful consumer scale. (WealthTech, FinTech, or high-growth consumer product background is highly preferred)
9
Mandatory (Stability) – Must have a stable career history, with consistent tenure across previous companies; frequent job-hopping will not be considered
10
Mandatory (AI Product) – Must have experience building and shipping products that use LLMs and agentic workflows to end users.
11
Mandatory (College) – ) - B.Tech or Dual degree (Btech and Mtech or Integrated Msc/MS) from Tier 1 Engineering Institutes (IITs, not NITs). Candidates from other institutions will not be considered unless they come from top top-tier product companies
12
Mandatory (Compensation Alignment) – Candidate must be comfortable with the compensation structure where the company matches their current CTC and provides ESOPs, without any salary hike
Technical Expertise
• Proficiency in Node.js or Python – Hands-on experience with backend development frameworks
and best practices.
• Expertise in SQL/NoSQL Databases – Strong experience with MySQL, PostgreSQL, MongoDB, or
DynamoDB.
• ElasticSearch & API Development – Strong knowledge of REST APIs, ElasticSearch, and high-
availability system design.
• Cloud & DevOps – Hands-on experience with AWS, Kubernetes, Docker, and CI/CD pipelines.
• Data Structures & Algorithms – Strong command over data structures, algorithms, OOD, and
design patterns.
• Version Control & Deployment – Experience with Git, GitHub Actions, and other deployment
systems.
• High-Performance Systems – Implemented solutions that handle high availability, concurrency,
and low-latency requirements.
Role Description: As a Senior Back-End Developer at Ease Commerce, you will design, build, and maintain scalable server-side applications that power our CRM platform. This full-time, on-site role based in Indore involves architecting APIs, optimizing database structures, and ensuring secure, high-performance integrations with front-end interfaces and third-party services. You will review code, mentor developers, and collaborate closely with product, QA, and front-end teams to deliver robust features and enhancements. Day-to-day responsibilities include writing clean, efficient code, troubleshooting production issues, improving system reliability, and contributing to technical decision-making and best practices.
Qualifications
- Develop and maintain backend services and APIs primarily using Node.js.
- Contribute to building scalable and efficient applications.
- Work with frontend teams where required to support full stack development needs.
- Code Quality & Collaboration
- Write clean, maintainable, and well-structured code following best practices.
- Participate in code reviews and collaborate with team members to improve code quality.
- Work closely with cross-functional teams to deliver features on time.
- Problem Solving & Debugging
- Troubleshoot and debug application issues.
- Optimize performance and improve reliability of backend systems.
- Security & Best Practices
- Implement authentication and authorization mechanisms to ensure secure access to applications.
- Follow security and development best practices across services.
Required Qualifications
- 7+ years of experience in Node.js development.
- Experience with any one of the Node.js frameworks: Fastify, Express, or NestJS.
- Experience with SQL and NoSQL databases.
- Familiarity with authentication and authorization mechanisms.
- Good problem-solving and debugging skills.
- Ability to work effectively in a collaborative team environment.
- Background in designing scalable architectures for SaaS or CRM products is highly beneficial.
- Ability to work on-site in Indore, collaborate in cross-functional teams, and mentor junior developers.
- Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
About VerbaFlo.ai
VerbaFlo.ai is a fast-growing AI SaaS startup revolutionizing how businesses leverage AI-powered solutions. As a part of our dynamic team, you’ll work alongside industry leaders and visionaries to drive innovation and execution across multiple functions.
Role Overview
We are looking for a Senior Backend Engineer to design and develop user-friendly, scalable, and high-performance web applications. This role requires deep expertise in backend technologies, attention to detail, and the ability to collaborate with cross-functional teams.
Responsibilities
- Design, develop, and maintain scalable backend systems, APIs, and data pipelines.
- Collaborate closely with frontend engineers, product managers, and AI teams to deliver cohesive features and seamless user experiences.
- Ensure the reliability, security, and performance of backend systems.
- Write clean, maintainable, and efficient code using modern backend practices.
- Implement automated testing, CI/CD workflows, and infrastructure as code (where applicable).
- Own the end-to-end lifecycle of backend features, from architecture to deployment.
- Monitor production systems and resolve performance and scalability issues.
- Contribute to architectural decisions and help evolve our engineering best practices.
Requirements
- 4–6 years of experience in backend development in startups, preferably in SaaS or AI-driven products.
- Proficiency in Node.js, Python, or Go
- Deep understanding of RESTful API design.
- Strong experience with databases: PostgreSQL, MongoDB, ElasticSearch.
- Exposure to message queues, job schedulers, or event-driven architectures (e.g., SQS, Celery, etc).
- Familiarity with cloud platforms like AWS, GCP, or Azure and containerization tools (Docker, Kubernetes).
- Experience with Git, CI/CD tools, and writing unit/integration tests.
- Strong problem-solving skills and a mindset geared toward performance and security.
- Excellent communication and collaboration abilities.
Why Join Us?
- Work directly with top leadership in a high-impact role.
- Be part of an innovative and fast-growing AI startup.
- Opportunity to take ownership of key projects and drive efficiency.
- A collaborative, ambitious, and fast-paced work environment.
- Perks & Benefits: gym membership benefit, workation policy, and company-sponsored lunch.
If you’re looking for an exciting role that combines strategy, execution, and leadership exposure, we’d love to hear from you!
Job Title : Node.js Developer
Experience : 5+ Years
Location : Gurgaon – Sector 43
Work Mode : 5 Days Work From Office (WFO)
Interview Mode : Direct Walk-in
Job Summary :
We are looking for an experienced Node.js Developer with 5+ years of hands-on experience in backend development and building scalable applications.
The ideal candidate should have strong problem-solving skills and experience working in a fast-paced product or service-based environment.
Key Responsibilities :
- Develop and maintain server-side applications using Node.js.
- Design and implement RESTful APIs and microservices.
- Work with databases like MongoDB / MySQL / PostgreSQL.
- Integrate third-party APIs and services.
- Ensure performance, security, and scalability of applications.
- Collaborate with frontend developers, QA, and DevOps teams.
- Write clean, reusable, and efficient code.
- Participate in code reviews and technical discussions.
Required Skills :
- Strong expertise in Node.js and JavaScript.
- Experience with Express.js or similar frameworks.
- Knowledge of Microservices architecture.
- Hands-on experience with MongoDB / SQL databases.
- Experience with Git and CI/CD processes.
- Good understanding of cloud platforms (AWS preferred).
- Strong debugging and optimization skills.
Preferred Skills :
- Experience with Docker / Kubernetes.
- Knowledge of Redis, Kafka, or message queues.
- Understanding of Agile methodologies.
At BigThinkCode, our technology solves complex problems. We are looking for talented back-end (node.JS) engineer to join our at Chennai.
Please find below our job description, if interested apply / reply sharing your profile to connect and discuss.
Company: BigThinkCode Technologies
URL: https://www.bigthinkcode.com/
Experience required: 3-4 years
Work location: Chennai
Joining time: Immediate – 4 weeks
Work Mode: Work from office / Hybrid
Must have skills:
· Hands on expertise in OOJS, node.js, distributed systems.
· Event drive architecture (EDA) microservices project experience MUST
· Any programming: Typescript or nodeJS or Golang
· Hands on experience using docket containers and Kubernetes.
· Aware about Asynchronous and Loose Coupling.
· Familiar with API’s gateway and microservice design patterns.
A skilled Node.js Developer with 5+ years of experience in building scalable applications using event-driven architecture within distributed systems. The ideal candidate should be comfortable in high-performance backend services and have a strong understanding of asynchronous programming patterns.
Experience or exposure to knowledge embedding and vectorization techniques is a strong plus, especially in the context of modern data-driven or AI-powered systems.
Required Skills
· 5+ years of hands-on experience with Node.js
· Strong understanding of event-driven architecture and non-blocking I/O
· Experience working with distributed systems and microservices architecture
· Proficiency in RESTful API design and implementation
· Experience with databases such as MongoDB, PostgreSQL, or MySQL
· Experience with containerization tools like Docker and orchestration tools like Kubernetes
Key Responsibilities
· Design, develop, and maintain server-side applications using Node.js
· Build and optimize scalable, event-driven systems in distributed environments
· Implement asynchronous workflows, message queues, and pub/sub architectures
· Collaborate with cross-functional teams to define and deliver backend solutions
Good to Have
· Experience with knowledge embedding and vectorization techniques
· Familiarity with vector databases (e.g., Pinecone, Weaviate, FAISS)
· Understanding of cloud platforms (AWS, Azure, or GCP)
Why Join Us:
· Collaborative work environment.
· Exposure to modern tools and scalable application architectures.
· Medical cover for employee and eligible dependents.
· Tax beneficial salary structure.
· Comprehensive leave policy
· Competency development training programs.






