Senior Backend Engineer (Python | FastAPI)

👋🏼 We're Nagarro. We are a digital product engineering company that is scaling in a big way! We build products, services, and experiences that inspire, excite, and delight. We work at scale — across all devices and digital mediums, and our people exist everywhere in the world (18 000+ experts across 39 countries, to be exact). Our work culture is dynamic and non-hierarchical. We're looking for great new colleagues. That's where you come in! By this point in your career, it is not just about the tech you know or how well you can code. It is about what more you want to do with that knowledge. Can you help your teammates proceed in the right direction? Can you tackle the challenges our clients face while always looking to take our solutions one step further to succeed at an even higher level? Yes? You may be ready to join us. Responsibilities: Collaborate with cross-functional teams to design and implement backend services and APIs. Write efficient, scalable, and maintainable server-side code using modern backend technologies. Develop and optimize microservices for high-performance distributed systems. Streamline real-time data processing and event-driven architectures. Conduct unit, integration, and load testing to ensure system reliability and performance. Implement RESTful APIs and server-side logic using Python and FastAPI. Develop and deploy containerized applications in cloud environments (e.g., Docker, Kubernetes). Work with server-side events and messaging queues (e.g., SQS) to support real-time communication. Ensure application security, scalability, and resilience through robust backend design 8+ years of experience as a backend engineer. Strong experience with Python, particularly in building REST APIs using frameworks like FastAPI or Flask. Expertise in microservices architecture and deployment in containerized environments (e.g., Docker, Kubernetes). Solid understanding of databases (e.g., Snowflake, AWS DynamoDB, RDS, MySQL, MongoDB). Experience with distributed search and indexing technologies (e.g., Elasticsearch, OpenSearch, Solr) Proficiency with server-side events, event-driven architectures, and messaging systems. Experience with cloud-based deployment on AWS, including Serverless platforms like AWS Lambda, Step Functions, and SQS. Knowledge of CI/CD tools and pipelines (e.g., GitHub Actions, Octopus). Strong problem-solving skills and experience debugging and optimizing backend systems. Solid understanding of security best practices for backend systems, including authentication and data protection. Experience with agile development methodologies. Proficiency in logging and monitoring tools for backend systems (e.g., Prometheus, Grafana, CloudWatch). Experience integrating with third-party APIs and ensuring data consistency. Flexibility to work across global time zones (EST, IST, and others). What We Value / Soft Skills: Strong interpersonal skills with a collaborative mindset Comfortable working in tight-knit engineering squads alongside product owners and platform teams Clear and proactive communicator, both in written documentation and in day-to-day team interactions (stand-ups, design reviews, async channels) Nice-to-Have Skills: Exposure to GenAI application development and RAG-based systems. Familiarity with infrastructure as code tools like Terraform or CloudFormation. Strong grasp of distributed systems and high-performance backend architecture. Experience with Elastic Search or similar enterprise search solutions.