Senior Backend Developer
SR Technologies · Chennai · onsite · Posted 1d ago
Undisclosed8–13 yrsfulltimeSourced from
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About this role
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Job Summary
Job Summary
We are looking for an experienced Backend Developer with strong expertise in Python and FastAPI to design and build scalable, secure, and high-performance backend systems. The ideal candidate will have hands-on experience in API development, database design, system architecture, and deploying highly available applications, preferably within fintech or regulated environments.
Required Skills & Experience
Required Skills & Experience
Must have
8+ years of backend development experience.
Strong proficiency in Python and FastAPI framework.
Additional qualifications
Experience building and managing REST APIs, WebSockets, or gRPC services .
Strong knowledge of database design, query optimization, and ORM tools .
Experience with asynchronous programming and scalable system design.
Familiarity with microservices architecture and API lifecycle management.
Understanding of CI/CD pipelines, Docker, and cloud deployment environments.
Knowledge of secure coding practices (JWT, OAuth, encryption, etc.).
Experience working in Agile/Scrum teams.
Bachelor degree in Computer Science or related field preferred.
Key Responsibilities
Key Responsibilities
Design, develop, and maintain backend services using Python and FastAPI .
Build and manage secure, scalable RESTful APIs , WebSockets, and microservices.
Design and optimize database schemas using PostgreSQL, MySQL, or MongoDB .
Implement authentication, authorization, and secure coding practices aligned with compliance standards.
Optimize system performance, reliability, and scalability.
Write clean, well-documented code with unit and integration tests.
Collaborate with Frontend, DevOps, QA, and Product teams in Agile sprints.
Support deployment, monitoring, and troubleshooting of production systems.
Requirements
Requirements
Key Responsibilities:
Design, develop, and maintain backend services using Python and FastAPI .
Build and manage secure, scalable RESTful APIs , WebSockets, and microservices.