Backend Developer

2 weeks ago


Salt Lake Kolkata West Bengal, India unnatim payments private limited Full time

Job Title: Backend Developer / Python)Location: Kolkata, West Bengal (On-site / Hybrid / Remote – as applicable)Company: Unnatim Payments Private LimitedExperience: 4–6 YearsEmployment Type: Full-timeAbout the Role

We are looking for a skilled Backend Developer with hands-on experience in and/or Python frameworks to design, develop, and maintain scalable backend systems for fintech applications. The ideal candidate should have a strong understanding of RESTful API design, database management, and microservices architecture.

Key Responsibilities

  • Design, develop, and maintain RESTful and GraphQL APIs using , , ) or Python (Django, Flask).
  • Build and optimize server-side logic, ensuring high performance and responsiveness.
  • Integrate third-party APIs, payment gateways, and internal services.
  • Collaborate with front-end developers to define API requirements and ensure smooth integration.
  • Manage and optimize databases (MySQL, PostgreSQL, MongoDB).
  • Implement authentication, authorization, and data security best practices.
  • Write clean, maintainable, and well-documented code.
  • Participate in code reviews, testing, and debugging.
  • Work closely with the DevOps team to deploy and monitor backend services.
  • Contribute to system design discussions and architecture decisions.

Required SkillsTechnical Skills:

  • Strong proficiency in JavaScript ) and/or Python.
  • Hands-on experience with:
  • frameworks: , , (API routes).
  • Python frameworks: Django, Flask.
  • Strong understanding of REST APIs and microservices architecture.
  • Experience with database systems: MySQL, PostgreSQL, MongoDB.
  • Knowledge of version control systems (Git, GitHub, GitLab).
  • Familiarity with cloud platforms (AWS, GCP, or Azure) and containerization tools (Docker).
  • Knowledge of message queues (RabbitMQ, Kafka) is a plus.
  • Experience with unit testing frameworks (Jest, PyTest, Mocha, etc.).

Soft Skills

  • Excellent problem-solving and analytical skills.
  • Strong communication and teamwork abilities.
  • Ability to write clean, efficient, and reusable code.
  • Attention to detail and a proactive learning attitude.

Educational Qualification

  • Bachelor's degree in Computer Science, Information Technology, or related field.

Preferred Qualifications

  • Experience in fintech or payment gateway systems.
  • Knowledge of API security standards (OAuth2, JWT).
  • Exposure to CI/CD pipelines and automated deployment.

Compensation

  • Competitive salary based on experience and skills.
  • Performance-based incentives and benefits.

Job Type: Full-time

Pay: ₹35, ₹50,000.00 per month

Benefits:

  • Provident Fund

Work Location: In person



  • Salt Lake, Kolkata, West Bengal, India Kontest Chemical Full time

    A CMMI Level 3 organization with office Salt Lake, Kolkata is looking for an experienced Developer with 3+ years of hands-on experience in building backend applications using , , and Prisma ORM. The ideal candidate should have strong technical skills, a solid understanding of database design, and the ability to build scalable, high-performance backend...


  • Kolkata, West Bengal, India RECEX Full time

    About the Role We are seeking an experienced Backend Developer who can design robust APIs architect scalable databases and manage server-side logic for high-performance applications The ideal candidate will have strong expertise in Node js Laravel MongoDB and MySQL along with solid experience in server setup cloud platforms and Linux systems Key...

  • Backend Developer

    2 weeks ago


    Shakespeare Sarani, Kolkata, West Bengal, India Noah Healthcare Full time

    BACKEND DEVELOPER (Python / Django)About the RoleWe're looking for a passionate Backend Software Engineer to join our core product team. Inthis role, you'll architect and build scalable backend systems that power our digital collectiblesand gifting ecosystem. You'll work closely with frontend, mobile, and product teams to deliverhigh-quality, data-driven...


  • west bengal, India beBeeBackend Full time

    Senior Backend Developer Job DescriptionWe're seeking a skilled Senior Backend Developer to join our team and contribute to high-impact AI-driven projects.As a key member, you will develop and maintain scalable APIs using Django Rest Framework, work on backend logic for AI/ML applications, optimize database queries with PostgreSQL, deploy and manage...


  • west bengal, India beBeeBackendDeveloper Full time

    Seeking a skilled Senior Backend Developer with expertise in Django Rest Framework and a strong backend development foundation. The ideal candidate will have at least 3 years of hands-on experience in Python, Django, and PostgreSQL.Job Description:Develop and Maintain Scalable APIs: Build robust RESTful APIs using DRF.Backend Logic for AI/ML Applications:...

  • Backend Developer

    2 weeks ago


    Park Street, Kolkata, West Bengal, India Noah Healthcare Full time

    Job Description: Backend Developer )Role Overview We are seeking a skilled Backend Developer with expertise in to design, develop, and maintain scalable server-side applications. You will collaborate with front-end developers, product managers, and other stakeholders to deliver high-quality solutions.Key ResponsibilitiesDevelop and maintain APIs using and...

  • MERN Stack Developer

    2 weeks ago


    Salt Lake, Kolkata, West Bengal, India altis infonet Full time US$ 24,000 - US$ 36,000 per year

    We are looking for a talented and passionate MERN Stack Developer to join our team. The ideal candidate should have strong experience in building scalable web applications using MongoDB, , , and , along with a solid understanding of modern development practices, REST APIs, and cloud deployment.You will work closely with cross-functional teams including...


  • New Town, Kolkata, West Bengal, India NIRNAYAN HEALTHCARE PVT LTD Full time

    Job Title: Backend Developer / PostgreSQL / Server Management)Location: West Bengal (New Town, Rajarhat)Experience Required: 01 Years with both Male and Female can applyEmployment Type: Full-TimeAbout the Role:We are looking for a highly skilled and experienced Backend Developer to join our dynamic team. The ideal candidate should have 01 years of...

  • Developer

    2 weeks ago


    Salt Lake, Kolkata, West Bengal, India WEBINGO INFOTECH SOLUTIONS Full time ₹ 1,80,000 - ₹ 3,60,000 per year

    Hiring: DeveloperCompany: Webingo Infotech Solutions LLPLocation: Salt Lake Sector V, KolkataExperience: Minimum 2 YearsSalary: ₹15,000 – ₹30,000/monthMust Have: Strong proficiency in – building scalable backend applications and RESTful APIsHands-on experience with CI/CD pipelines – setting up automated build, test, and deployment...


  • west bengal, India beBeeDevelopement Full time

    About usWe develop innovative technology solutions.Our team is looking for a developer with at least 2 years of experience to help build scalable, high-performance applications using modern technologies like React or Angular, Node.js, Django or Java, and databases such as MySQL, PostgreSQL or MongoDB.The role involves designing and developing both frontend...