API Developer
BigHammer India Pvt ltd
2 - 5 years
Hyderabad
Posted: 12/12/2025
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Job Description
Overview
We are seeking a skilled API Developer to design, develop, and maintain robust, scalable, and secure APIs that power our applications and services. The ideal candidate will have strong experience in RESTful and/or GraphQL API design, excellent programming skills, and a deep understanding of system integrations and backend architecture.
Key Responsibilities
- Design, develop, and maintain APIs to support web, mobile, and third-party integrations.
- Collaborate with cross-functional teams (front-end developers, product managers, DevOps, QA) to define API requirements and ensure seamless integration.
- Write clean, efficient, and well-documented code using best practices for API development and versioning.
- Ensure security and data integrity through proper authentication, authorization, and encryption practices.
- Optimize API performance through caching, throttling, and efficient data handling.
- Monitor and troubleshoot API issues in production, ensuring reliability and uptime.
- Implement API testing and maintain test automation suites to ensure quality and stability.
- Stay current with emerging trends and technologies in API development, microservices, and cloud infrastructure.
Required Skills & Qualifications
- 5+ years of experience in API design and development.
- Proficiency in backend languages such as Python
- Expertise in FASTAPI and Python programming
- Strong understanding of RESTful API principles (experience with GraphQL or gRPC a plus).
- Experience with API documentation tools (Swagger / OpenAPI, Postman, etc.).
- Knowledge of OAuth 2.0, JWT, and other authentication standards .
- Experience with databases (SQL and NoSQL) and ORM frameworks .
- Familiarity with cloud platforms (AWS, Azure, or GCP) and CI/CD pipelines .
- Strong understanding of version control systems , preferably Git.
Preferred Qualifications
- Experience building microservices architectures .
- Familiarity with API gateways (Kong, Apigee, AWS API Gateway, etc.).
- Knowledge of containerization (Docker, Kubernetes).
- Experience with monitoring tools (Prometheus, Grafana, ELK stack).
- Understanding of Agile/Scrum development methodologies.
Soft Skills
- Strong problem-solving and analytical abilities.
- Excellent communication and teamwork skills.
- Attention to detail and commitment to writing maintainable code.
- Ability to work in a fast-paced, collaborative environment.
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