Senior Backend Developer

• *Job Information**
• ------------------

• Date Opened 10/26/2026
• Job Type Full time
• City Chennai
• State/Province Tamil Nadu
• Country India
• Zip/Postal Code 600096
• Industry IT Services
• *Job Description**
• ------------------

• *Job Title: Senior Backend Developer (Python / FastAPI)**

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• *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**
• --------------------------------

• *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’s degree in Computer Science or related field preferred.

• *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**

• *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.