
Job Overview
We are looking for a talented Senior Backend Developer to join our team in developing backend servicing. As a key member of our development team, you will be responsible for cross-functional teams to design, develop, and maintain backend services and APIs using Node.js. The ideal candidate is passionate about distributed systems, has experience with backend services and is excited about optimising applications for performance, scalability, and reliability.
Responsibilities:
- Design, develop, and maintain backend services and APIs using Node.js.
- Collaborate with cross-functional teams to define requirements, architect solutions, and implement features.
- Write clean, modular, and maintainable code following best practices and coding standards.
- Optimise applications for performance, scalability, and reliability.
- Implement security measures to ensure data privacy and integrity in backend systems.
- Troubleshoot and debug issues to ensure smooth operation of production systems.
- Perform code reviews to maintain code quality, consistency, and adherence to coding standards.
- Stay updated with the latest trends and technologies in backend development, Node.js, and related ecosystems
Requirements:
- Bachelor's degree in Computer Science, Engineering, or related field.
- Proven experience in backend development, with at least 4 years of experience using Node.js.
- Strong understanding of data structures, algorithms, and software design principles.
- Experience with web frameworks such as Express.js.
- Proficiency in building RESTful APIs and microservices architecture.
- Familiarity with relational and NoSQL databases (e.g., MongoDB, PostgreSQL).
- Solid understanding of asynchronous programming and event-driven architectures.
- Experience with version control systems (e.g., Git) and collaborative development workflows.
- Excellent problem-solving, analytical, and troubleshooting skills.
- Ability to work independently and in a team environment, with excellent communication skills.

About bitsCrunch technology pvt ltd
About
Similar jobs
Job Title : Backend Developer (.NET Core)
Experience : 2 to 5 Years
Work Environment :
- Hybrid model : Minimum 3 days/week from office
- Office Location : Hauz Khas, Delhi
- Flexible working hours based on project needs
Job Summary :
We are looking for a skilled and motivated Backend Developer with 2–5 years of experience, proficient in .NET Core and experienced with cloud platforms (AWS preferred or Azure).
You will be responsible for building scalable backend services and RESTful APIs, integrating with cloud components, and ensuring robust data handling.
Key Responsibilities :
- Design, develop, and maintain robust backend systems using .NET Core 6 or above.
- Develop and manage Web APIs for frontend and third-party integrations.
- Work with cloud infrastructure (preferably AWS: Lambda, EventBridge, SQS, CloudWatch, S3; or Azure: AppService, Functions, AzureSQL, EventHub, Blob Storage).
- Work with databases such as SQL Server, PostgreSQL, and tools like PGAdmin.
- Utilize Entity Framework Core, Dapper, or equivalent ORM tools.
- Collaborate using Git or TFS for version control.
- Develop, debug, and maintain code in Visual Studio.
- Write optimized and scalable SQL queries and stored procedures.
- Participate in code reviews and maintain high code quality.
Required Skills :
- Proficient in .NET Core 6+.
- Experience with RESTful API development.
- Strong command of SQL and relational databases.
- Familiarity with cloud platforms (AWS preferred, Azure acceptable).
- Good understanding of Git/TFS.
- Hands-on experience with tools like Visual Studio, SQL Server, PGAdmin.
- ORM experience with Entity Framework Core, Dapper, or similar.
Nice to Have :
- Exposure to asynchronous processing or event-driven architecture.
- Experience working with Cursor-based data fetching or streaming.
Note: Salary will be offered based on your overall experience and last drawn salary.
Job Title: Nodejs Developer (Full-time)
Location: Gurugram (Onsite)
Experience Required: 3+ Years
Working Days: 5 Days (Mon to Fri)
Job Summary
We are looking for a skilled Node.js Developer who is experienced with JavaScript/TypeScript, databases, and modern AI development tools. You will build and maintain backend applications, design scalable systems, and use AI tools to enhance development productivity. The role involves backend development, database management, API development, and cloud deployment.
What You’ll Be Doing
Backend Development
- Build and maintain Node.js applications, services, and APIs.
- Write clean, readable JavaScript/TypeScript code.
- Create and manage REST APIs; work with GraphQL when required.
- Develop microservices and containerized applications (Docker).
- Participate in code reviews and help maintain coding standards.
Database Work
- Design database schemas for PostgreSQL, MongoDB, and Redis.
- Write optimized SQL and NoSQL queries.
- Implement indexing and manage database performance tuning.
- Handle database scaling and caching strategies.
AI Tools & Productivity
- Use AI coding assistants (GitHub Copilot, Cursor AI, Tabnine).
- Integrate AI APIs (OpenAI, Claude) into backend applications.
- Build features powered by AI/ML capabilities.
- Use AI tools to debug and enhance code quality.
Deployment & Operations
- Deploy applications on AWS, Azure, or GCP.
- Set up CI/CD pipelines (GitHub Actions, Jenkins).
- Work with Docker and Kubernetes.
- Monitor backend services and perform troubleshooting.
Job Requirements
Must-Have (3 Years Experience)
- Strong hands-on experience with Node.js and Express.js.
- Excellent understanding of JavaScript/TypeScript, ES6+, async/await.
- Experience with at least one major database: PostgreSQL, MongoDB, Redis.
- Knowledge of API development (REST, GraphQL).
- Hands-on experience with Git and version control.
- Experience with testing tools like Jest, Mocha, or similar.
Bonus Skills (Good to Have)
- Cloud platforms: AWS, Azure, Google Cloud.
- Docker, Kubernetes.
- CI/CD pipelines.
- Frontend exposure (React/Vue/Angular).
- Message queues: RabbitMQ, Kafka.
- Caching: Redis, Memcached.
- API security: JWT, OAuth2.
- Expert in Python, with knowledge of Python web framework Django
- Familiarity with some ORM (Object Relational Mapper) libraries
- Able to integrate multiple data sources and databases into one system
- Basic understanding of front-end technologies, such as JavaScript, HTML5 and CSS3
- Familiarity with event-driven programming in Python
- Strong experience on Linux
- Solid database skills in a relational database (i. e. PostgresSQL)
- Able to create database schemas that represent and support business processes
- Strong unit test and debugging skills
- Proficient understanding of code versioning tools (git)
- Experience on RESTful APIs
- Experience deploying on AWS is desirable
- Experience on Automation Builds using Jenkins and other popular frameworks
- Strong analytical and problem-solving skills paired with the ability to develop creative and efficient solutions
- Excellent interpersonal, leadership, influence and communication skills
- Experience in designing scalable micro-services is desirable
We are looking for a Java developer responsible for building Java applications. This includes anything between complex groups of back-end services and their client-end counterparts. Primary responsibility will be to design and develop these types of applications and to coordinate with the rest of the team working on different layers of the infrastructure.
Responsibilities:
Contribute to all stages of the software development lifecycle
Design, build and maintain efficient, reusable, and reliable Java code
Design, implement and maintain applications that can be high-volume and low-latency
Identify bottlenecks and bugs, and devise solutions to these problems
Help maintain code quality, organization, and automatization
Skills:
Minimum 1+ years of experience in Java
Proficient in Java and Springboot
Solid understanding of object-oriented programming
Familiar with various design and architectural patterns
Skill for writing reusable Java libraries
Familiarity with concepts of MVC, and RESTful
Proficient understanding of code versioning tools, such as Git
Familiarity with build tools such as Maven, and Gradle
Excellent knowledge of Relational Databases, SQL, and ORM technologies (Hibernate)
Excellent written and verbal communication.
● Experience Level: Min 2+ years
● Experience working with Nodejs/any JS framework, operating blockchain nodes especially in
Ethereum.
● Knowledgeable about smart contract security and best practices (design patterns).
● Build back-end web services that interact with the Ethereum blockchain.
● Research, design, implement and maintain all decentralized finance systems.
● Good Communication Skills.
Out of many tools and technologies, we use Java, MongoDb, Cassandra, Redis, Twem, Netty extensively for our back-end development.
- Leading the entire Backend platform for a product portfolio.
- End to end delivery new features.
- Evolving the architecture for performance and scalability.
- Design, develop and own components of a highly scalable, distributed web services platform.
- Constantly strive to improve software development process and team productivity.
- Mentor and train team members
- Lead module development independently
Required background, Knowledge, Skills and Abilities
- 5.5+/ 7+ Years of experience in a scalable product/ecommerce organization·
- Excellent Java skills, Understanding of Spring framework & MVC approach
- Strong knowledge of Performance optimization and caching techniques.
- Strong Object Oriented Programming concepts, data structure and algorithms
- Experience in developing scalable, fault-tolerant, distributed backend services
- Experience with prevalent design patterns and advanced system designing
- Good experiences with databases and Schema design. We heavily use NoSQL databases
- Strong Problem Solving skills








