API Engineer

eNcloud Services Immediate requirement Job Title: API Engineer Location: Charlotte, NC (Onsite) W2 Job Summary: We are seeking a skilled and detail-oriented API Engineer to design, develop, and maintain robust and scalable APIs that power our applications and services. As an API Engineer, you will be responsible for building secure, high-performance interfaces that enable seamless integration across internal systems, third-party platforms, and customer-facing applications. You will collaborate closely with frontend engineers, DevOps, architects, and product managers to ensure the success of API-driven development efforts across the enterprise. Key Responsibilities: • Design, develop, test, and maintain RESTful and/or GraphQL APIs for internal and external use. • Build scalable, secure, and high-performance backend services that integrate with databases, external APIs, and internal services. • Collaborate with product and design teams to understand requirements and translate them into technical specifications and API contracts. • Write clean, maintainable, and well-documented code and API documentation (e.g., Swagger/OpenAPI). • Work with DevOps/SRE teams to enable CI/CD, monitoring, and logging for all API services. • Ensure security best practices are followed, including proper authentication (e.g., OAuth 2.0), authorization, rate limiting, and data validation. • Participate in code reviews, architectural discussions, and continuous improvement efforts. • Maintain and improve API versioning, backward compatibility, and deprecation strategies. • Optimize APIs for performance, reliability, and scalability under high-load conditions. • Stay up to date with API-related tools, trends, and technologies. Required Qualifications: • Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience). • 7+ years of hands-on experience in API development using Node.js, Python, Java, Go, or a similar backend language. • Solid experience with RESTful API design principles and/or GraphQL. • Proficient in working with relational (e.g., PostgreSQL, MySQL) and NoSQL (e.g., MongoDB, DynamoDB) databases. • Experience with API documentation tools such as Swagger/OpenAPI, Postman, or Stoplight. • Familiarity with OAuth2, JWT, and common API security practices. • Experience with cloud platforms (AWS, Azure, or GCP) and containerized environments (Docker, Kubernetes). • Understanding of version control systems, especially Git. Preferred Qualifications: • Experience with API gateways (e.g., Kong, Apigee, AWS API Gateway). • Familiarity with event-driven architectures, webhooks, and message queues (e.g., Kafka, RabbitMQ). • Exposure to serverless architectures (e.g., AWS Lambda). • Experience with testing frameworks for APIs (e.g., Postman, RestAssured, Supertest). • Understanding of monitoring and observability tools (e.g., Prometheus, New Relic, Datadog).