company

Senior Python Backend Developer

weekday-1Pune, Maharashtra, India
On-site Full-time ₹100K/yr - ₹4M/yr

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Experience Level

Senior

Qualifications

Key Responsibilities:Design and develop scalable backend services and RESTful APIs leveraging Python and FastAPI. Architect and manage a microservices architecture for modular, high-performance applications. Implement event-driven and asynchronous communication frameworks like Kafka, SQS, and SNS. Develop integrations with third-party systems and external vendor platforms. Design and optimize data storage solutions utilizing PostgreSQL/MySQL, MongoDB, Redis, and Neo4j. Automate deployments and manage infrastructure with Docker, Kubernetes, and CI/CD pipelines. Define and maintain API standards, including OpenAPI specifications. Ensure platform security and compliance across all services. Implement observability and monitoring using tools like Prometheus, Grafana, and CloudWatch. Optimize system performance for large-scale production workloads. Collaborate with cross-functional teams to integrate AI, data, and analytics capabilities. Participate in code reviews and mentor junior engineers. What Makes You a Great Fit:4+ years of experience in building production-grade backend systems and microservices. Strong expertise in Python, FastAPI, and asynchronous programming. Deep understanding of microservices and cloud-native architecture. Hands-on experience with AWS services such as EKS, Lambda, SQS, SNS, and RDS. Proficiency with Docker, Kubernetes, and CI/CD tools like GitLab pipelines. Strong database experience across relational, NoSQL, graph, and caching systems. Familiarity with authentication and authorization frameworks (OAuth2, JWT, RBAC). Experience with observability and performance optimization in production systems. Able to thrive in fast-paced environments and tackle challenging problems with innovative solutions.

About the job

weekday-1 is looking for a Senior Python Backend Developer in Pune, Maharashtra, India. This position partners with a key client to design and build the core backend for a cloud-native fintech platform. The work centers on creating reliable systems that serve as the foundation for financial technology services.

What you will do

  • Architect and develop backend systems for a fintech product using Python.
  • Build microservices that are scalable, secure, and deliver strong performance.
  • Collaborate with DevOps, data, AI, and frontend teams to deliver integrated solutions.
  • Shape the overall platform architecture and drive key system integrations.
  • Ensure backend systems are resilient, meet compliance standards, and support high-volume production workloads.

Who will succeed

  • Engineers who enjoy solving challenges in distributed systems.
  • Individuals comfortable working in product-focused teams.
  • Developers with a strong background in building backend infrastructure using modern tools and practices.

About weekday-1

weekday-1 is a leading platform dedicated to connecting skilled professionals with innovative companies. We pride ourselves on delivering top-notch talent to meet the unique needs of our clients in various industries, particularly in the technology and fintech sectors.

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