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API Developer

Tekgence Inc — United States · Posted ~22 hours ago

Onsite

Skills

API development REST APIs SOAP GraphQL Backend development API security OAuth2 JWT API keys API documentation Unit testing Integration testing Debugging REST Python Java Node.js C# Swagger Postman

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Summary ✨ AI‑Generated

Design, build, and maintain scalable, secure, high-performance APIs that connect software systems and external services. You will work with REST, SOAP, or GraphQL, implement robust authentication and authorization, document endpoints, and perform testing and debugging to ensure reliable performance under load.

Highlights

Hands-on API engineering role focused on scalable and secure integrations, modern API architectures, authentication and authorization, documentation, testing, and performance optimization.

Description

API Developer Location: Pittsburgh, PA- 100% onsite FROM DAY 1 An API Developer designs| builds| and maintains application programming interfaces that allow different software systems and services to communicate seamlessly. Key duties include developing RESTful or GraphQL endpoints| ensuring security and data encryption| and writing clear documentation. Core Responsibilities Design & Build: Create scalable| secure| and high-performance REST| SOAP| or GraphQL APIs. Integration: Connect internal platforms and third-party vendor services. Security: Implement robust authorization and authentication mechanisms like OAuth2| JWT| and API keys. Documentation: Produce clear technical guides and endpoint references using tools like Swagger or Postman. Testing & Debugging: Run unit and integration tests to resolve errors and optimize latency under high traffic. Required Skills and Qualifications Languages: Proficiency in backend languages such as Python| Java| Node.js| or C#. Architectural Styles: Deep knowledge of REST| microservices| and event-driven patterns. Databases: Experience with SQL (MySQL| PostgreSQL) and NoSQL (MongoDB| Redis) systems. Cloud & DevOps: Familiarity with AWS| Azure| Docker| and CI/CD deployment pipelines.