Sr Python Backend Engineer

Lumiq; Pune District; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

LUMIQ is seeking a Senior Backend Engineer to design, develop, and scale robust Python-based services and data pipelines. You will build high-performance REST APIs using FastAPI, implement asynchronous processing, and ensure security and scalability.

The role includes ETL pipelines, real-time streaming, and cloud deployment on AWS/Azure, with Docker and Kubernetes. You will collaborate with frontend, DevOps, and data engineering teams to deliver end-to-end solutions and maintain OpenAPI

Qualifications

• Strong Python 3.7+ with emphasis on typing and asynchronous code.
• Proven experience building scalable backend services with FastAPI.
• Excellent RESTful API design and documentation practices.

Responsibilities

• Design, build, and maintain backend services and REST APIs using Python (3.7+) and FastAPI.
• Implement asynchronous processing, background tasks, and dependency injection within FastAPI.
• Design and maintain ETL pipelines and data models in PostgreSQL, MySQL, and MongoDB.

Skills

Python 3.7+

FastAPI

Asynchronous programming

REST API design

PostgreSQL

MySQL

MongoDB

ETL pipelines

Real-time data streaming

AWS or Azure

CI/CD pipelines

GitHub Actions

Tools

Docker

Kubernetes

OpenAPI/Swagger

GitHub Actions

Job description

About the job Sr Python Backend Engineer

Who we are:

LUMIQ is the leading Data and Analytics company in the Financial Services and Insurance (FSI) industry. We aretrusted by the world's largest FSIs, including insurers, banks, AMCs, and NBFCs, to address their data
challenges. Our clients include 40+ enterprises with over $10B in deposits/AUM, collectively representingabout 1B customers globally.
Our expertise lies in creating next-gen data technology products to help FSI enterprises organize, manage, andeffectively use data. We have consistently challenged the status quo, introducing many industry-firsts like thefirst enterprise data platform in Asia on cloud for a regulated entity.
Founded in 2013, LUMIQ has now completed a decade of innovation, backed by Info Edge Ventures (a JVbetween Temasek Holdings of Singapore and Naukri) and US-based Season 2 Ventures.

Our Culture:
At LUMIQ, we strive to create a community of passionate data professionals who aim to transcend the usualcorporate dynamics. We offer you the freedom to ideate, commit, and navigate your career trajectory at your
own pace.Culture of ownership empowerment to drive outcomes.
Our culture encourages 'Tech Poetry' combining creativity and technology to create solutions thatrevolutionize industry. We trust our people to manage their responsibilities with minimal policy constraints. Ourteam is composed of the industry's brightest minds, from PhDs and engineers to industry specialists fromBanking, Insurance, NBFCs, AMCs, who will challenge and inspire you to reach new heights.

About the Role

We are looking for a highly skilled Senior Backend Engineer to design, develop, and scale robust backend systems and APIs. You will be responsible for building high-performance backend services, data pipelines, and API integrations, ensuring they are secure, scalable, and maintainable.

Key Responsibilities

• Design, build, and maintain backend services and REST APIs using Python (3.7+) and FastAPI.
• Implement asynchronous processing, background tasks, and dependency injection within FastAPI.

Integrate OpenAPI/Swagger documentation for all backend endpoints.

• Design and integrate RESTful APIs with frontend systems and third-party services, handling versioning, error responses, and edge cases.
• Build and optimize data models in relational databases like PostgreSQL and MySQL, and work with NoSQL systems like MongoDB.
• Design and maintain ETL pipelines for bulk data ingestion, transformation, validation, and deduplication to ensure master data integrity.
• Work on real-time data streaming pipelines using Apache Kafka or similar tools.
• Deploy, monitor, and scale services on cloud platforms like Amazon Web Services (AWS) or Microsoft Azure.
• Containerize services using Docker and orchestrate deployments using Kubernetes.

Set up CI/CD pipelines using GitHub Actions or similar tools.

• Collaborate with frontend, DevOps, and data engineering teams to deliver end-to-end solutions.

Required Skills & Qualifications

• Strong expertise in Python (3.7+) with experience in type annotations, asynchronous programming, and scripting.

Proven experience building scalable backend services using FastAPI.

• Strong understanding of RESTful API design principles and best practices.
• Hands-on experience with PostgreSQL, MySQL, and MongoDB including schema design and query optimization.
• Experience designing and managing ETL pipelines and real-time data streaming systems.
• Familiarity with cloud services (Amazon Web Services or Microsoft Azure) and infrastructure as code.
• Proficiency with Docker, Kubernetes, and CI/CD pipelines (GitHub Actions or similar).
• Strong debugging, performance optimization, and problem-solving skills.

Excellent communication and collaboration abilities.

Nice-to-Have

Knowledge of microservices architecture.

Familiarity with message queues (e.g., RabbitMQ, Amazon SQS).

Experience with security best practices (OAuth2, JWT, rate limiting).