Python Backend Developer

3 days ago

Kolkata, West Bengal, India Weavers Web Full time ₹ 12,00,000 - ₹ 36,00,000 per year

About the Role

We are seeking a highly skilled Backend Developer with strong expertise in Python (Django REST or FastAPI), SQL, and microservices architecture. The role also requires proficiency in Generative AI (GenAI), including prompt engineering and fine-tuning LLMs for production-grade solutions.

Experience with the U.S. healthcare domain will be considered a strong advantage.

  • Level of Experience: 5 Experience+ Years
  • Job Type: Full Time
  • Location: Kolkata
  • Vacancies: 1
Responsibilities:

Key Responsibilities

  • Design, develop, and maintain backend services and APIs using Python (Django REST Framework or FastAPI).
  • Architect and optimize SQL database schemas and queries for performance and scalability.
  • Build and manage microservices to support modular, high-performing applications.
  • Apply GenAI expertise to integrate and optimize LLM-based solutions, including prompt design, fine-tuning, and API-driven workflows.
  • Ensure code quality, security, and compliance with best practices and industry standards.
  • Collaborate closely with cross-functional teams (Frontend, QA, Product, DevOps) for end-to-end solution delivery.
  • Conduct code reviews, debugging, and performance tuning of backend services.
Requirements And Qualifications:

Required Skills & Qualifications

  • 5+ years of overall software development experience.
  • Minimum 2 years of hands-on Python backend development experience.
  • Strong expertise in Django REST Framework or FastAPI.
  • Proficiency with SQL databases (PostgreSQL, MySQL, or similar).
  • Proven experience in Generative AI (LLMs) including prompt engineering and fine-tuning models.
  • Solid understanding of microservices architecture and API-first design.
  • Familiarity with Git, CI/CD pipelines, and agile delivery.

Good to Have

  • Experience in U.S. healthcare domain and HIPAA-compliant application development.
  • Knowledge of cloud platforms (AWS, GCP, or Azure).
  • Hands-on with containerization/orchestration (Docker, Kubernetes).
  • Strong focus on application security and performance optimization.
Why Join Us?
  • Enjoy recognition from the joining date, and welcome to be a part of our efficient team.
  • Enjoy five days working from Monday-Friday with flexible 9 hours working with a 1-hour break.
  • You can balance between work and personal life.
  • Supportive management team who can help you reach success.
  • Get learning and achieving opportunities.
  • Get opportunities to work with great clients.
  • Best-in-class facilities and modern infrastructure.
  • Grab the chance to work with the award-winning company.
  • Attractive perks and benefits with competitive salary packages.
  • Enjoying work here with fun activities and teamwork.
Perks & Benefits

We provide a range of learning opportunities and a flexible work schedule. Join us and thrive in your career scope

Competitive Salary

Earn deserving salary packages. Our company values your skills and rewards you for your hard work.

Career Growth

Unlock your skills and grab the endless career growth opportunities. We are ready to help you climb the ladder of success with comprehensive guidance.

Exciting Projects

Get inspired by challenging projects and be part of the creativity for fruitful results.

Health Insurance

Enjoy your family's comprehensive health insurance coverage, and take care of your health.

Flexible Working Hours

Balance your professional and personal life with our flexible working hours. Boost productivity that fits your lifestyle.

Paid Holidays

Boost up your body and mind by taking petite breaks from work. Enjoy well-deserved leaves and breaks for relaxation.

Paid Training Programs

Develop your skills with our paid training programs. Learn and grow in a continuous process in your career.

Support

Work in a supportive environment where you can learn and succeed in your career.

  • Python Developer

    3 weeks ago

    Kolkata, West Bengal, India Brainium Information Technologies Full time

    About the Role :We are looking for a talented and passionate Python Developer to design, develop, and deploy cutting-edge AI-powered applications. You will leverage your expertise in Python and LangChain to build intelligent systems using large language models (LLMs) and advanced retrieval techniques. Your work will enable seamless integration of AI...

  • Senior Backend Developer

    2 days ago

    Kolkata, West Bengal, India Ascon Infrastrucutre Full time ₹ 8,00,000 - ₹ 24,00,000 per year

    About Company:At Gintaa, we are transforming the way India experiences food ordering by combining affordability, trusted restaurant partnerships, and efficient hyperlocal logistics. Our vision is to bring seamless access to great food across Tier 1 and Tier 2 cities, while building solutions that create real impact at scale. Backed by a passionate,...

  • Senior Backend Developer

    2 weeks ago

    Kolkata, West Bengal, India stealth Full time

    Responsibilities : - You'll build : Scalable microservices (Flask/FastAPI) and robust APIs.- You'll optimize : Performance, latency, and system scalability on GCP.- You'll manage : Deployments on Cloud Run, Firestore, IAM, CI/CD, and observability.- You'll collaborate with cross-functional teams, integrating AI/ML.Requirements : - You have : 4+ years Python...

  • Python/FastAPI Developer

    2 weeks ago

    Kolkata, West Bengal, India SuperTeams Full time ₹ 1,86,000 - ₹ 3,00,000 per year

    At , we harness the power of cutting-edge AI technologies and a global talent pool to supercharge enterprise projects and teams. Our mission is to create super teams that can tackle complex AI/ML challenges, innovate and build solutions, and educate developer communities along the way.We are seeking a highly skilled and motivated Python/FastAPI or...

  • Senior Backend Developer

    2 weeks ago

    Kolkata, West Bengal, India beBeeMachineLearning Full time ₹ 1,20,00,000 - ₹ 1,50,00,000

    Machine Learning Engineer Job DescriptionWe are seeking an experienced backend developer with a strong background in building intelligent systems using Generative AI technologies.You will be responsible for designing, implementing, and maintaining scalable backend systems while integrating cutting-edge AI capabilities such as Retrieval-Augmented Generation...

  • Backend Architect

    2 weeks ago

    Kolkata, West Bengal, India beBeebackend Full time ₹ 1,20,00,000 - ₹ 2,40,00,000

    Job Title: Backend Systems Engineer – Agent & Workflow Infrastructure">Location: Remote">Employment Type: Full-time">About the Job:">We are seeking a skilled Backend Systems Engineer to join our team and lead the development of a FastAPI backend powering multi-agent workflows.">The ideal candidate will have strong backend experience with Python/FastAPI,...

  • Senior Backend Developer Leader

    2 weeks ago

    Kolkata, West Bengal, India beBeeBackend Full time ₹ 60,00,000 - ₹ 70,00,000

    Software Leadership OpportunityThis is a key role in our development team where you will oversee the end-to-end design, development, and deployment of high-performance Python-based applications.Develop architectural solutions using MongoDB, Redis, FastAPI, and containerization tools like Docker and Kubernetes.Collaborate with cross-functional teams to...

  • Python AI Prompt Engineer

    3 days ago

    Kolkata, West Bengal, India Weavers Web Full time ₹ 15,00,000 - ₹ 25,00,000 per year

    Job Role: Python AI Prompt EngineerExperience Required: 5+ years overall (including 2+ years in Python development) Location: KolkataEmployment Type: Full-timeShare your cv to Key Responsibilities:Design, develop, and maintain backend services and APIs using Python (Django REST Framework or FastAPI).Architect and optimize SQL database schemas and...

  • Backend Developer

    2 days ago

    Kolkata, West Bengal, India The Brand Stori Full time ₹ 6,00,000 - ₹ 12,00,000 per year

    Role Overview: You will be joining our web development team as a talented Backend Developer (PHP), where your main responsibility will involve building and maintaining server-side logic, APIs, and database systems for high-performance websites and web applications. Key Responsibilities: - Developing, maintaining, and optimizing backend services and APIs...

  • Backend Architectural Intern

    2 weeks ago

    Kolkata, West Bengal, India beBeeBackend Full time ₹ 2,40,000 - ₹ 3,00,000

    We are seeking a talented and motivated individual to join our team as an Architectural Intern – Backend. In this role, you will play a pivotal part in designing and building scalable, multi-agent systems that integrate with modern AI workflows.Key ResponsibilitiesService Development: Design and implement gRPC or REST APIs using Node.js, TypeScript, Go,...