Node js Backend developer at Crescentek · Kolkata · 2 - 6 years · ₹3L - ₹7L / yr · Profitable · Posted 12 Jan 2023

You should be proficient in Node js , Mongo db , Express , React js.

About Crescentek
About
We are the leading online marketing firm that enables you to get huge return on your investment. Our main objective is to provide unique website design to our valuable customers that will definitely make their business extraordinary from the entire crowd. Wherever you may be located, we will create website for you or help you to redesign your present website so that it looks more professional.
Our Mission Value
Our Mission is built on underpinnings that spell transparency and dedication. While we firmly believe that dedication is not what you expect of us, but what we can give to you, we do it in the most visible way - not behind your back. All our strategies and techniques that would be employed for raising your ranking will never be shrouded in any deceptive veil but would be conducted in an honest straightforward fashion. That's precisely why most our clients have stopped being clients; they have become friends. Even though we have not given birth of their Brands but we have reared them to maturity
Our Support
We are available 24*7 for our clients. We work with you so that your website explains about your products and services and improve marketing strategy. We are always there to offer right solution for all our client's requirements
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Job Description: React + Node.js Full Stack Developer
Experience: 4+ Years
Location: HP, Bellandur Office, Bangalore
Joining: Immediate Joiners Only
Job Overview
We are looking for an experienced React + Node.js Full Stack Developer to build scalable, responsive, and high-performance web applications. The ideal candidate should have strong hands-on experience in React.js for frontend development and Node.js with Express.js for backend development.
Mandatory Skills
- React.js
- Node.js
- Express.js
- JavaScript (ES6+)
- REST API development and integration
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js.
- Build scalable backend services and APIs using Node.js and Express.js.
- Design, develop, and integrate RESTful APIs.
- Integrate frontend and backend systems.
- Work with databases such as MongoDB, MySQL, or PostgreSQL.
- Write clean, reusable, and maintainable code.
- Troubleshoot, debug, and optimize application performance.
- Participate in code reviews and Agile development activities.
- Implement authentication and authorization mechanisms.
Preferred Skills
- Redux or Context API
- MongoDB, MySQL, or PostgreSQL
- Git version control
- JWT / OAuth authentication
- Basic knowledge of AWS, Azure, or GCP
Candidate Requirements
- Minimum 4 years of relevant development experience.
- Strong hands-on experience in both React.js and Node.js.
- Good understanding of full-stack application development.
- Immediate joiners only, due to urgent project requirements.
- Must be comfortable working from the HP Bellandur office in Bangalore.
Skill: React+Node
BPM ID: 114488-23
Budget: Max 15 LPA
Location: HP Bellandur office
Experience: 4+
Note: Only Immediate Joiner’s pls very urgent requireemnt
We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js
- Build scalable backend services and APIs using Node.js and Express.js
- Design and manage RESTful APIs
- Integrate frontend and backend systems
- Work with databases such as MongoDB / MySQL / PostgreSQL
- Write clean, maintainable, and efficient code
- Perform code reviews and participate in agile ceremonies
- Troubleshoot and debug applications
- Optimize applications for performance and scalability
Required Skills
- Strong experience in React.js (Hooks, Redux/Context API)
- Solid experience with Node.js and Express.js
- Good understanding of JavaScript (ES6+)
- Experience with REST APIs
- Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
- Familiarity with Git version control
- Understanding of authentication & authorization (JWT, OAuth)
- Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus
🚀 We're Hiring – Node.js Developer 🚀
📍 Location: Taramani, Chennai
💼 Experience: 1–5 Years
📄 Employment Type: Contract
⏳ Duration: 6+ Months
💰 CTC: ₹2 – ₹3.5 LPA
⚡ Immediate Joiners Only
Skills Required:
✔ Node.js
✔ Express.js / NestJS
✔ JavaScript (ES6+)
✔ SQL
✔ REST APIs
✔ JWT/OAuth
✔ MongoDB / PostgreSQL / MySQL
✔ Git
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
About the role
A Gurugram-based FinTech is hiring a Web Developer Intern (posted by Ziro.digital, the hiring partner). On-site, Sector 94, Gurugram. 6-month internship, 6 days/week, 10 AM–7 PM.
Skills
• Next.js
• Node.js and REST APIs
• MySQL or MongoDB CRUD
• HTML/CSS/JS ES6+ (Tailwind preferred)
What you'll do
• Build and maintain web applications end-to-end
• Frontend development in Next.js
• Backend development in Node.js
• Database operations (MySQL/MongoDB)
• Debugging and performance tuning
Perks
• Real-world projects
• Hands-on mentorship
• Full-time offer based on performance
Apply now — start date: immediate.
About the Role
We are looking for enthusiastic Backend Developer Interns to join our team remotely for a 3-month internship. This is an excellent opportunity to gain hands-on experience in backend development, work on real projects, and expand your technical skills.
Responsibilities
- Assist in developing and maintaining backend services and APIs.
- Work with databases (SQL/NoSQL) for data storage and retrieval.
- Collaborate with frontend developers to integrate user-facing elements with server-side logic.
- Write clean, efficient, and reusable code.
- Debug, troubleshoot, and optimize backend performance.
- Participate in code reviews and team discussions.
- Document technical processes and contributions.
Requirements
- Basic knowledge of at least one backend language/framework (Node.js, Python/Django/Flask, Java/Spring Boot, or similar).
- Understanding of RESTful APIs and web services.
- Familiarity with relational and/or NoSQL databases (MySQL, PostgreSQL, MongoDB, etc.).
- Knowledge of Git/GitHub for version control.
- Strong problem-solving and analytical skills.
- Ability to work independently in a remote environment.
- Good communication skills and eagerness to learn.
What You'll Gain
- Real-world experience in backend development.
- Mentorship and exposure to industry practices.
- Completion Certificate at the end of the internship.
- Letter of Recommendation based on performance.
- Opportunity to strengthen your portfolio with live projects.
Internship Details
- Duration: 3 months
- Location: Remote (Work from Home)
- Perks: Completion Certificate + Letter of Recommendation
What you’ll work on
- Build features from end to end. Translate product requirements into working interfaces, backend services and database changes, and follow them through testing and release.
- Create responsive web experiences. Develop reusable React and Next.js components, connect them to APIs, and handle forms, loading states, errors and accessibility across screen sizes.
- Develop dependable APIs. Build modular Node.js services with NestJS, Fastify and related frameworks, with clear contracts, input validation, authentication, authorization and consistent error handling.
- Design and improve data models. Work with PostgreSQL and MySQL for relational data, MongoDB for document models and Neo4j for connected data. Write efficient queries, use appropriate indexes and manage schema changes carefully.
- Integrate systems and workflows. Connect third-party services and internal APIs, manage asynchronous operations, and account for failures, retries and data consistency.
- Make quality part of delivery. Write meaningful unit and integration tests, review code, reproduce bugs and document API behavior and technical decisions.
- Improve performance and security. Investigate slow pages and queries, troubleshoot service errors, and apply secure coding practices to protect application data.
- Work closely with the team. Discuss trade-offs with designers and developers, break work into manageable tasks, and communicate progress and blockers clearly.
What you’ll bring
- A solid understanding of JavaScript or TypeScript, asynchronous programming and how web applications communicate over HTTP.
- Hands-on experience building React or Next.js interfaces and Node.js APIs, with familiarity with NestJS, Fastify or similar frameworks.
- An understanding of SQL, database relationships and querying, along with an interest in document and graph databases.
- Comfort with Git, code reviews, debugging and testing your work before handing it over.
- A practical approach to problem-solving, willingness to learn and ownership of the features you build.
Bonus skills
Helpful experience, rather than prerequisites for applying.
- CI/CD pipelines: Automating builds, checks, tests and deployments, working with environment-specific configuration, and understanding release and rollback workflows.
- Jenkins: Creating or maintaining Jenkinsfiles, organizing pipeline stages, handling credentials securely and diagnosing failed builds.
- AWS: Deploying or supporting applications using services such as EC2, S3 and RDS, with awareness of IAM permissions, networking and CloudWatch logs.
- Nginx: Configuring reverse proxies, routing requests to application services, setting up HTTPS, and troubleshooting timeouts, upload limits and access logs.
Responsibilities:
* Collaborate with cross-functional teams on project requirements and deliverables
* Develop user interfaces using React.JS and Express API's
* Implement database solutions with MongoDB and Node.JS
Node.js Developer
Location: Chennai – Taramani
Experience: 1–5 Years (minimum 2 years of relevant Node.js experience preferred)
Employment Type: Contract
Duration: 6+ Months
Joining: Immediate Joiners Only
Job Summary
We are looking for a Node.js Developer with hands-on experience in developing scalable backend applications, building RESTful APIs, and working with databases and third-party integrations. The ideal candidate should have strong JavaScript skills and knowledge of backend development best practices.
Key Responsibilities
- Design, develop, test, and maintain server-side applications using Node.js.
- Develop RESTful APIs and backend services.
- Integrate third-party APIs and external services.
- Write clean, reusable, and maintainable code.
- Work with databases and optimize queries where required.
- Implement authentication and authorization mechanisms.
- Troubleshoot, debug, and resolve application issues.
- Collaborate with frontend developers, QA engineers, and business teams.
- Participate in code reviews and Agile/Scrum activities.
- Maintain technical documentation.
Required Skills
- Hands-on experience with Node.js.
- Strong knowledge of JavaScript (ES6+) and asynchronous programming.
- Experience with Express.js or NestJS.
- Good understanding of REST APIs.
- Knowledge of authentication mechanisms such as JWT and OAuth.
- Experience with SQL databases such as MySQL or PostgreSQL.
- Familiarity with MongoDB is an advantage.
- Understanding of API security and backend development best practices.
- Experience with Git and version control.
Preferred Skills
- Knowledge of Docker and containerization.
- Exposure to AWS, Azure, or Google Cloud.
- Familiarity with Redis and caching mechanisms.
- Exposure to CI/CD pipelines.
- Understanding of microservices architecture.
- Basic knowledge of frontend technologies such as Angular or React.
Interested candidates can share their updated resumes along with their current CTC, expected CTC, notice period, and availability to join.
We are seeking a skilled React & Node.js Developer to join our development team. The ideal candidate will be responsible for building scalable web applications using modern frontend and backend technologies. You will work closely with cross-functional teams to design, develop, and maintain high-performance applications.
Key Responsibilities
- Develop responsive and user-friendly web applications using React.js
- Build scalable backend services and APIs using Node.js and Express.js
- Design and manage RESTful APIs
- Integrate frontend and backend systems
- Work with databases such as MongoDB / MySQL / PostgreSQL
- Write clean, maintainable, and efficient code
- Perform code reviews and participate in agile ceremonies
- Troubleshoot and debug applications
- Optimize applications for performance and scalability
Required Skills
- Strong experience in React.js (Hooks, Redux/Context API)
- Solid experience with Node.js and Express.js
- Good understanding of JavaScript (ES6+)
- Experience with REST APIs
- Knowledge of database systems (MongoDB, MySQL, or PostgreSQL)
- Familiarity with Git version control
- Understanding of authentication & authorization (JWT, OAuth)
- Basic knowledge of cloud platforms (AWS/Azure/GCP) is a plus










