Backend Developer

3 days ago

Salt Lake Kolkata West Bengal, India unnatim payments private limited Full time ₹ 25,00,000 - ₹ 50,00,000 per year

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

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