Python API developer

About Persistent

We are an AI-led, platform-driven Digital Engineering and Enterprise Modernization partner, combining deep technical expertise and industry experience to help our clients anticipate what’s next. Our offerings and proven solutions create a unique competitive advantage for our clients by giving them the power to see beyond and rise above. We work with many industry-leading organizations across the world, including 18 of the Fortune 50 companies, 7 of the 10 top US banks, 9 of the 10 technology companies, and numerous innovators across the healthcare ecosystem.

Our disruptor’s mindset, commitment to client success, and agility to thrive in the dynamic environment have enabled us to sustain our growth momentum. Persistent has been recognized across top industry platforms for innovation, leadership, and inclusion. We have delivered 26 sequential quarters of growth with $487.6M in Q2 FY27 revenue, up 7.8% Q-o-Q and 20.0% Y-o-Y. Our 29,500+ global team members, located in 21 countries, have been instrumental in helping the market leaders transform their industries. We received five awards at the ISG (Information Services Group) Provider Lens™ Awards 2026 and, for the second year in a row, were awarded the Growth Honor of the Year at the Everest Group Elevate 2026.

About Position:

We are looking for an experienced Python API Developer / Data Engineer with 6 to 8 years of experience in developing scalable APIs and building robust data engineering solutions. The ideal candidate should have strong hands-on experience with Python, REST APIs, FastAPI, SQL, data processing, and cloud/data technologies.

• Role: Python API developer
• Location: Pune
• Experience: 6 to 8 years
• Job Type: Full Time Employment

What You'll Do:

• Data Acquisition Senior Developer : PRINCIPLE MISSION Objective of the Mission / Key Challenge Build and support reliable Python backend services and cloud-native data acquisition capabilities.
• The role focuses on REST APIs, asynchronous processing, containerized services and distributed systems running in an Azure/Kubernetes environment.
• Candidates should bring strong backend engineering fundamentals and be able to learn additional platform technologies as needed.
• Develop maintainable Python services using object-oriented programming, reusable modules and robust error handling.
• Build and integrate REST APIs using FastAPI or equivalent Python frameworks such as Flask or Django REST Framework.
• Design JSON request/response contracts, input validation and meaningful API error handling.
• Work with PostgreSQL or comparable SQL databases, including queries, transactions and basic data modelling.
• Write unit and integration tests, use mocks where appropriate, and follow testable-code practices. Cloud-Native Development & Delivery
• Containerize and troubleshoot backend applications with Docker.
• Work with Kubernetes deployments, services, configuration, scaling and basic issue resolution; AKS experience is preferred.
• Develop and support services on Azure, or apply transferable AWS/GCP experience while learning the Azure environment.
• Use Git and GitLab CI or similar CI/CD pipelines for source control, code reviews and automated delivery. Messaging & Distributed Processing
• Work with at least one messaging platform, such as Azure Service Bus, RabbitMQ, Kafka
• Understand queues, consumers/workers, asynchronous workloads, message acknowledgement and failure handling.
• Candidates should demonstrate working knowledge or clear conceptual understanding of remaining technologies and the ability to learn quickly.Design, develop, and maintain scalable REST APIs using Python and FastAPI.

Expertise You'll Bring:

• 6 to 8 years of overall experience in Python/API/Data Engineering.
• 5+ years’ experience in python
• 4+ years’ experience in postgresql
• Supporting & Good-to-Have Skills :
• Redis for caching, shared state, coordination or rate limiting.
• Observability tools such as Prometheus, Grafana, ELK/OpenSearch or equivalents.
• Linux command-line troubleshooting and Git-based collaboration.
• Microservices and service-oriented architecture concepts.
• Cloud security, backend performance and scalability fundamentals.
• Data processing with Polars or Pandas.
• Experience with Linux command.
• Experience with Grafana
• Knowledge of AWS/Azure/GCP.
• Bachelor’s degree in engineering or equivalent experience

Benefits:

• Competitive salary and benefits package
• Culture focused on talent development with quarterly growth opportunities and company-sponsored higher education and certifications
• Opportunity to work with cutting-edge technologies
• Employee engagement initiatives such as project parties, flexible work hours, and Long Service awards
• Annual health check-ups
• Insurance coverage: group term life, personal accident, and Mediclaim hospitalization for self, spouse, two children, and parents

Values-Driven, People-Centric & Inclusive Work Environment:

Persistent is dedicated to fostering diversity and inclusion in the workplace. We invite applications from all qualified individuals, including those with disabilities, and regardless of gender or gender preference. We welcome diverse candidates from all backgrounds.

• We support hybrid work and flexible hours to fit diverse lifestyles.
• Our office is accessibility-friendly, with ergonomic setups and assistive technologies to support employees with physical disabilities.
• If you are a person with disabilities and have specific requirements, please inform us during the application process or at any time during your employment

Let’s unleash your full potential at Persistent -persistent.com/careers

“Persistent is an Equal Opportunity Employer and prohibits discrimination and harassment of any kind.”