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
Website
Company social profiles
Similar jobs (10)
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.
The recruiter has not been active on this job recently. You may apply but please expect a delayed response.
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.
What we need:
• Experience in both Web + Mobile development
• Strong understanding of APIs & system design
• Ability to build end-to-end features
· Maintain version control and documentation using Git / GitHub.
Roles and Responsibilities
- Design and develop responsive web applications using React.js / Next.js.
- Build and maintain scalable RESTful APIs using Node.js and Express.js.
- Implement user authentication and authorization using JWT / OAuth2.
- Manage and optimize database structures using MongoDB or MySQL.
- Integrate front-end and back-end components seamlessly for smooth user experience.
- Collaborate with UI/UX designers and product teams to deliver high-quality features.
- Participate in Agile / Scrum sprints, daily stand-ups, and code reviews.
- Optimize applications for speed, performance, and security.
- Maintain version control and documentation using Git / GitHub.
Troubleshoot and debug production issues efficiently.
Job Location- Bangalore,
Candidates from Tamil Nadu willing to relocate to Bangalore can also apply.
About The Nexora Group Inc.
The Nexora Group Inc. is a technology-driven organization focused on developing modern digital solutions and scalable web applications. Our teams work on innovative projects involving web development, cloud technologies, automation tools, and AI-powered platforms designed to solve real-world business challenges.
We are looking for motivated Full Stack Web Developer Interns who are eager to gain hands-on experience in building modern web applications and working with real-world development workflows.
Internship Responsibilities
- Assist in developing responsive and interactive web applications
- Work on frontend development using technologies such as HTML, CSS, JavaScript, and modern frameworks
- Support backend development using technologies such as Node.js, Python, PHP, or similar platforms
- Develop and integrate REST APIs for web applications
- Participate in debugging, testing, and optimizing application performance
- Collaborate with design and development teams on project requirements
- Contribute to building scalable and user-friendly web platforms
Required Skills
- Basic understanding of HTML, CSS, and JavaScript
- Knowledge of web development fundamentals
- Familiarity with frontend frameworks such as React, Angular, or Vue.js is a plus
- Basic understanding of backend development or APIs
- Understanding of databases such as MySQL, MongoDB, or similar
- Good problem-solving and analytical skills
- Ability to learn quickly and work in a team environment
Preferred Qualifications
- Students or recent graduates in Computer Science, IT, Software Engineering, or related fields
- Basic knowledge of Full Stack development
- Familiarity with Git or version control systems
- Exposure to cloud platforms or deployment tools is beneficial
- Interest in modern web technologies and scalable applications
What Interns Will Gain
- Hands-on experience working on real-world web development projects
- Exposure to modern full stack development workflows
- Opportunity to build a strong portfolio of development projects
- Mentorship from experienced developers
- Internship completion certificate based on performance and participation
About the Internship
The Nexora Group is looking for enthusiastic and passionate interns for the role of AI-Powered Full Stack Web Developer Intern. This internship is designed for students and aspiring developers who want hands-on experience in modern web technologies, AI-integrated applications, and real-world development projects.
Interns will work on live projects, collaborate with mentors, and gain practical exposure to frontend development, backend development, databases, APIs, and AI-powered web features.
Responsibilities
- Assist in developing responsive and user-friendly web applications.
- Work on frontend technologies such as HTML, CSS, JavaScript, and modern frameworks.
- Support backend development and API integration.
- Participate in database management and web application deployment.
- Learn and implement AI-powered features in web applications.
- Collaborate with mentors and team members on project tasks.
- Debug, test, and improve application performance.
- Maintain documentation for assigned tasks and projects.
Required Skills
- Basic understanding of web development concepts.
- Familiarity with HTML, CSS, JavaScript, or any programming language.
- Interest in Full Stack Development and AI technologies.
- Problem-solving and logical thinking skills.
- Good communication and teamwork abilities.
- Willingness to learn new technologies and tools.
Preferred Skills (Optional)
- Knowledge of React.js, Node.js, MongoDB, or Python.
- Understanding of REST APIs or Git/GitHub.
- Interest in AI tools, automation, or machine learning integration.
Who Can Apply
- Students pursuing B.Tech, BCA, MCA, B.Sc IT, M.Tech, or related fields.
- Freshers looking to gain practical industry experience.
- Candidates passionate about web development and AI technologies.
Perks & Benefits
- Hands-on experience on live industry projects.
- Mentorship from experienced developers.
- Internship Completion Certificate.
- Letter of Recommendation based on performance.
- Flexible work environment.
- Opportunity to enhance technical and professional skills.
- Top performers may receive future opportunities based on project requirements.
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: Backend Developer Trainee
Location: Indore, Madhya Pradesh
Experience: 0–6 Months
Job Type: Full-Time | Work From Office
Job Overview
TechnoToil is looking for a motivated Backend Developer Trainee who is eager to learn, build scalable applications, and work with modern backend technologies. The ideal candidate should have a strong learning attitude and be comfortable using AI tools in development workflows.
Roles & Responsibilities :-
- Develop and maintain backend applications and APIs.
- Write clean, efficient, and maintainable code.
- Work with databases and perform basic database operations.
- Assist in developing, testing, debugging, and optimizing backend functionality.
- Integrate APIs and third-party services as required.
- Collaborate with frontend developers and other team members.
- Use AI tools to improve coding, debugging, documentation, and development productivity.
- Learn and adapt to new backend technologies and development practices.
- Follow coding standards and development best practices.
Requirements:-
- Graduation must be completed.
- 0–6 months of experience; freshers and trainees are welcome.
- Basic understanding of backend development concepts.
- Knowledge of any backend programming language/framework is an advantage.
- Good communication and problem-solving skills.
- Strong willingness to learn and grow.
- Candidate must be comfortable working with AI tools as part of the development process.
- Ability to work effectively in a team.
Job Location:-
2nd Floor, Building Number 79, Main Road, Behind C21 Mall, Scheme 54 PU4, Indore
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
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
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. While this is an unpaid internship, interns who successfully complete the program will receive a Completion Certificate and a Letter of Recommendation.
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)
- Stipend: Unpaid
- Perks: Completion Certificate + Letter of Recommendation






