Sign up to access all features of our service
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Node.js Developer

Unified Infotech

Node.js Developer

Start Date

Starts  Immediately

CTC (ANNUAL)

Competitive salary Competitive salary

Experience

5 year(s)

5 year(s)

Apply By

Not Provided

Posted today

Job

Be an early applicant

About the job

About Unified

For over 15 years , Unified Infotech has been at the forefront of technology consulting and software development. We specialize in custom software development, web and mobile applications, cloud solutions, data engineering, and user experience (UX) services. Our expertise spans building scalable, distributed digital solutions for a diverse clientele, including emerging startups, MSMEs, and established enterprises across the globe.

We help businesses engineer innovative digital products that solve complex challenges, accelerate growth, and redefine the digital landscape through cutting-edge technology and exceptional user experiences.

At Unified, a job isn't just a jobit's an ongoing pursuit of excellence. We exist to build and create, to understand and consult, to imagine and innovate, to redefine user experiences, to engineer high-performance software, and to collaborate with passionate professionals who are committed to delivering meaningful impact.

Driven by a culture of innovation, ownership, continuous learning, and engineering excellence , we empower our people to challenge conventions, embrace new technologies, and build world-class digital solutions that set industry benchmarks.

Role Summary

We are looking for a Senior Software Engineer (L3) Node.js with 5+ years of experience in designing and developing scalable backend applications and APIs. The ideal candidate should have strong expertise in Node.js, TypeScript, cloud platforms, database technologies, and modern software engineering practices. You will work closely with cross-functional teams to build secure, scalable, and high-performance applications for global clients.

Key Responsibilities

  • Design, develop, and maintain scalable backend applications using Node.js .
  • Develop secure, reusable, and high-performance RESTful APIs and backend services.
  • Collaborate with Product Managers, Business Analysts, UI/UX Designers, Frontend Developers, QA Engineers, and DevOps teams throughout the software development lifecycle.
  • Write clean, maintainable, well-documented, and testable code following engineering best practices.
  • Optimize applications for performance, scalability, security, and reliability.
  • Develop and maintain unit tests to ensure application quality.
  • Troubleshoot, debug, and resolve production issues.
  • Participate in peer code reviews and contribute to improving coding standards.
  • Assist in designing scalable software architecture and technical solutions.
  • Work with CI/CD pipelines and deployment processes.
  • Mentor junior developers and contribute to technical knowledge sharing.
  • Stay updated with emerging technologies and continuously improve engineering practices.

Required Qualifications

  • Bachelor's degree in Computer Science, Information Technology, or a related field.
  • 5+ years of hands-on experience in backend development using Node.js.
  • Experience building enterprise-grade applications or SaaS products.
  • Strong analytical, problem-solving, and debugging skills.
  • Excellent communication and collaboration skills.
  • Ability to work effectively in Agile/Scrum development environments.

Technical Skills

Must Have

  • Strong proficiency in JavaScript (ES6+) and TypeScript .
  • Hands-on experience with Node.js .
  • Experience with Express.js or NestJS .
  • Strong understanding of asynchronous programming and event-driven architecture.
  • Excellent knowledge of RESTful API design and development.
  • Experience integrating third-party APIs.
  • Working knowledge of SOAP APIs is an advantage.
  • Hands-on experience with AWS or Microsoft Azure cloud services.
  • Experience writing unit tests using Jest , Mocha , or similar frameworks.
  • Strong understanding of Test-Driven Development (TDD).
  • Strong knowledge of relational databases such as PostgreSQL or MySQL .
  • Experience using ORMs such as Prisma , Sequelize , or TypeORM .
  • Experience working with MongoDB and Mongoose or similar ODMs.
  • Good understanding of database schema design, indexing, query optimization, and performance tuning.
  • Strong knowledge of Git, code reviews, pull requests, and feature branching workflows.
  • Hands-on experience with Socket.io , WebSockets, or other real-time communication technologies.
  • Experience working with Docker and CI/CD pipelines.

Good to Have

  • Knowledge of Kubernetes.
  • Experience with Redis or other caching technologies.
  • Experience with RabbitMQ, Kafka, or AWS SQS.
  • Familiarity with GraphQL.
  • Working knowledge of frontend frameworks such as React , Angular , or Vue.js .
  • Exposure to AI-assisted development tools such as GitHub Copilot or Cursor.

Desired Competencies

  • Strong ownership and accountability.
  • Excellent analytical and problem-solving skills.
  • High attention to detail and commitment to quality.
  • Ability to work independently and collaboratively in a team environment.
  • Strong communication and interpersonal skills.
  • Ability to manage multiple priorities and deliver within deadlines.
  • Adaptability and willingness to learn new technologies.
  • Results-oriented with a proactive and solution-driven mindset.

What We Offer

  • Opportunity to work on cutting-edge digital products for global clients.
  • Exposure to modern technologies, cloud-native architectures, and AI-driven solutions.
  • A collaborative, innovation-driven engineering culture.
  • Continuous learning and career advancement opportunities.
  • Performance-driven rewards and recognition.
  • A dynamic work environment that encourages ownership, creativity, and professional growth.

Earn certifications in these skills

+ 1 more skills

Who can apply

Only those candidates can apply who:

1. have minimum 5 years of experience

Salary

Probation:

Duration:

Salary during probation:

After probation:

Annual CTC: Competitive salary

Number of openings

1

Editor’s note

Information above is Internshala's interpretation and paraphrasing of what we found on the shared link.

Additional Questions

Sign up to continue

Candidate sign up

Sign up/ Login with Google

Sign up with Email

OR

By continuing as a candidate, you agree to our T&C .

Already registered? Login

Sign up to continue

Candidate sign up

Sign up/ Login with Google

Sign up with Email

OR

By continuing as a candidate, you agree to our T&C .

Already registered? Login

Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Node.js Developer in Kolkatta vacancy
  • AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best...
    Suggested
    Full time
    Local area
    Remote job

    AgileEngine

    Kolkatta
    2 days ago
  • Role Summary : We are seeking an experienced AI professional to design, develop, and deploy enterprise-grade Agentic AI solutions powered by LLMs. The ideal candidate will have strong expertise in prompt engineering, agent orchestration frameworks, multi-agent architectures... 
    Suggested
    Hybrid work

    FX31LABS PRIVATE LIMITED

    Kolkatta
    16 hours ago
  • Location : KolkataWork Mode : Hybrid / Work from OfficeExperience : 6 - 8 YearsJoining : Immediate Joiners PreferredAbout the Role :We are looking for an experienced Site Reliability Engineer (SRE) to join our Infrastructure & Platform Engineering - AI Product Services team....
    Suggested
    Hybrid work
    Immediate start

    MPowerment Resources LLP

    Kolkatta
    16 hours ago
  •  ...Contract - SharePoint Online Developer (SPFx | React | Power Platform | Azure DevOps) | Hybrid, India Role Type: 6-month contract, with possibility of extension Utilization: 40 hours per week Location: Hybrid: Hyderabad, Noida, Kolkata, Gurgaon, or Pune We're... 
    Suggested
    40 hours per week
    Contract work
    Hybrid work

    Infopro Learning

    Kolkatta
    1 day ago
  •  ...Responsibilities Develop and maintain Telematics Core software components for connected vehicles. Design and implement device management, connectivity management, vehicle data collection, cloud communication, remote diagnostics, OTA updates, vehicle health monitoring... 
    Suggested
    Full time
    Remote job

    Visteon Corporation

    Kolkatta
    1 day ago
  • Software Developer Start Date Starts  Immediately CTC (ANNUAL) Competitive salary Competitive salary Experience... 
    Full time
    Immediate start

    Brainware University

    Barasat
    1 day ago
  •  ...models via: fine-tuning (LoRA, full fine-tune) quantization (INT8, 4-bit, GGUF, etc.) distillation and performance tuning Develop multi-model pipelines (generation + retrieval + tools + agents) Integrate external tools/APIs into agent workflows Build evaluation... 
    Long term contract
    Full time
    Temporary work
    Part time
    Side job
    Immediate start
    Work from home
    Night shift

    Qubrid AI

    Kolkatta
    1 day ago
  •  ...Responsibilities Full Stack Product Development Design and develop end-to-end SaaS applications from scratch Build...  ...Experience with modern frontend frameworks such as React or Next.js Experience with Node.js, Python, or Go backend systems Familiarity with AI integrations... 
    Immediate start
    Work from home

    Qubrid AI

    Kolkatta
    1 day ago
  •  ...GPUs, multi-model orchestration, and scalable AI deployments. Our mission is simple: democratize access to AI infrastructure - from developers spending their first $5 to enterprise-scale AI deployments processing billions of inference requests. We are looking for a deeply technical... 
    Full time
    Part time
    Side job
    Immediate start
    Work from home
    Night shift

    Qubrid AI

    Kolkatta
    1 day ago
  • Angular Developer Start Date Starts  Immediately CTC (ANNUAL) Competitive salary Competitive salary Apply By... 
    Immediate start

    Unified Infotech

    Kolkatta
    1 day ago
  •  ...and shipping. You'll work in both TypeScript/Node and Python ecosystems depending on the...  ...and services; model the data behind them. Develop modern, responsive UIs and the server-side...  ...one modern frontend framework (React, Next.js, or similar). ~ Solid backend experience... 
    Immediate start

    Finarb

    Kolkatta
    1 day ago
  • Senior Software Developer Start Date Starts  Immediately...  ...5 years of experience in software development. Knowledge of Node.js is an added advantage. Knowledge of OOP concepts. Familiarity... 
    Full time
    Immediate start

    Vehere

    Kolkatta
    1 day ago
  • HTML Developer Start Date Starts  Immediately CTC (ANNUAL) Competitive salary Competitive salary Experience... 
    Immediate start

    Sundew

    Kolkatta
    1 day ago
  • Tibco Senior Developer Start Date Starts  Immediately CTC (ANNUAL) Competitive salary Competitive salary Experience... 
    Immediate start

    PwC Acceleration Center India

    Kolkatta
    1 day ago
  • Rs 18 - 22 lakhs p.a.

      HIRING | SECURITY DELIVERY LEAD – ORACLE CLOUD GRC     Role: Security Delivery Lead   Location: Kolkata   Experience: 8-12 Years   Education: 15 Years Full-Time Education   Level: Team Lead / Consultant   CTC: 23 LPA ROLE OVERVIEW We...
    Full time

    Vrinda International

    Kolkatta
    2 days ago
  •  ...revenue processes.- Perform integration with FI/CO, MM, SD, PP, and other SAP modules.- Prepare functional specifications for custom developments and coordinate with ABAP teams.- Conduct unit testing, integration testing, UAT, and defect resolution.- Support data migration,... 

    Employehub

    Kolkatta
    1 day ago
  • Rs 5 - 35 lakhs p.a.

     ...real-time and external data sources to enrich procurement insights. Integrate the AI solution with ERP and enterprise systems. Develop tool/API integrations that allow AI agents to retrieve information and perform approved business actions. Build actionable workflows... 

    Zorba Consulting India

    Kolkatta
    4 days ago
  •  ...Design and build AI agents that continuously analyze Discovery logs, execution results, errors, and failed discoveries at scale. - Develop agents capable of classifying and correlating failures, performing troubleshooting, identifying probable root causes, and... 
    Full time
    Local area
    Remote job
    Flexible hours

    AgileEngine

    Kolkatta
    6 days ago
  •  ...specialists with innovative technology projects. Our mission is to help develop high-quality AI technologies by combining real-world expertise...  ...(BeautifulSoup, Selenium or similar), including dynamic content (JS, AJAX, infinite scroll) and APIs via proxies Proven ability to... 
    Hourly pay
    Part time
    Freelance
    Remote job

    Mindrift

    Kolkatta
    5 days ago
  •  ...grow, make an impact, and work with people who care, we'd love to meet you! ABOUT THE ROLE We are looking for a Senior Java Developer to build backend and data-driven services combining strong Java skills with data systems experience. This person works across... 
    Full time
    Local area
    Remote job
    Flexible hours

    AgileEngine

    Kolkatta
    6 days ago
  •  ...designing service architecture, and driving extensible frameworks. MUST HAVES - 6+ years of software engineering experience developing applications and services hosted on public cloud infrastructure. - 2+ years of experience with cloud infrastructure deployment... 
    Full time
    Local area
    Remote job
    Flexible hours

    AgileEngine

    Kolkatta
    7 days ago
  •  ...team.Key Responsibilities :1. Generative AI & LLM Development :- Develop applications using LLMs and Generative AI services.- Design and implement...  ...to Have :- TypeScript- MCP- Terraform- Ansible- Angular or Vue.js- Microservices architecture- Data ingestion and transformation-... 

    BASSETTI INDIA PRIVATE LIMITED

    Kolkatta
    5 days ago
  •  ...across Mynt end-to-end : a multi-service Node / TypeScript backend on PostgreSQL; a medallion...  ...and mobile, and be the technical partner developers actually want precise repros, root-cause...  ...collaborative mindset.Tech Stack : - Node.js, TypeScript, PostgreSQL, React, Flutter,... 

    High Impact Talent

    Kolkatta
    5 days ago
  • IFS is a billion-dollar revenue company with 7000+ employees on all continents. Our leading AI technology is the backbone of our award-winning enterprise software solutions, enabling our customers to be their best when it really matters–at the Moment of Service™. Our commitment...
    Full time
    Hybrid work
    Worldwide
    Flexible hours

    IFS

    Kolkatta
    6 days ago
  • Roles & Responsibilities :- Design and develop interactive Spotfire dashboards, visualisations, and analytical applications aligned to business requirements.- Build complex data transformations using Information Links, Data Functions (Python / R / TERR), and calculated columns... 
    Hybrid work

    ABS InfoTech Pvt. Ltd.

    Kolkatta
    6 days ago
  • Roles & Responsibilities:- Design and develop interactive Spotfire dashboards, visualisations, and analytical applications aligned to business requirements.- Build complex data transformations using Information Links, Data Functions (Python / R / TERR), and calculated columns... 
    Hybrid work

    Worksconsultancy

    Kolkatta
    6 days ago
  •  ...data pipelines.- Perform basic data analysis and validation to identify data-related issues.- Work closely with L2/L3 support teams, developers, data engineers, and other stakeholders.- Participate in root cause analysis and help implement permanent fixes for recurring issues... 
    Shift work

    Mantra Labs Pvt Ltd

    Kolkatta
    6 days ago
  • Role Overview :We are looking for an experienced Python + AWS Backend Developer to design and develop scalable backend solutions and RESTful APIs. The ideal candidate should have strong hands-on experience with Python 3.x and AWS services including Lambda, S3, DynamoDB, CloudWatch... 

    Sysmind Tech PVT LTD

    Kolkatta
    6 days ago
  •  ...Summary : We are looking for a highly skilled AI Engineer - Generative AI & Agentic Systems with 3 - 8 years of experience in designing, developing, and deploying enterprise-grade AI solutions powered by Large Language Models (LLMs).The ideal candidate will have hands-on... 

    Polestar Analytics

    Kolkatta
    6 days ago
  •  ...F ull Stack Developer (Laravel / AI / Automation) Experience: 4-7 years Location: Kolkata/Hyderabad About the Role: We are looking for a hands-on Full Stack Developer with strong Laravel/PHP experience who can independently deliver features across frontend,... 
    Full time

    2coms

    Kolkatta
    8 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Node.js Developer. Be the first to apply!