Senior Engineer- APIs and Integration

Job Description

Job title: Senior Engineer - APIs and Integration

Industry- Telecommunication

Location: Okhla, Delhi

About the Role: As a Senior API Engineer, you will play a key role in developing and enhancing cutting-edge application integrations within an agile delivery team.

Major Responsibilities:
• End-to-End API Integration: Own the full lifecycle of API development, from design and implementation to deployment and maintenance, ensuring robust and secure integrations across diverse systems.
• API Design & Documentation: Analyze data, workflows, system interfaces, and software to create detailed API specifications and design documents. Establish and enforce API management best practices and standards.
• API Security & Integration: Build secure, scalable integration APIs to interface with a wide range of systems and services, ensuring compliance with industry standards.
• CI/CD Implementation: Set up and maintain continuous integration and continuous deployment pipelines using tools like GitLab, Harness, and deploy to AWS EKS or serverless environments.
• System Gap Analysis: Identify gaps between current systems and desired end-state solutions, and develop actionable roadmaps to bridge these gaps.
• Software Development Lifecycle: Design, develop, and enhance software solutions. Perform unit testing, code reviews, performance testing, and documentation. Ensure code quality and maintainability.
• Project Ownership & Mentorship: Take ownership of moderately complex projects, ensuring they are completed on time and within scope. Mentor junior engineers and foster a collaborative environment.
• Agile Methodology: Collaborate with cross-functional teams in an Agile environment, delivering timely, high-quality solutions.

Requirements Qualifications:
• Experience: 5+ years of hands-on experience in API development, with a deep understanding of API design and implementation.
• Expertise in Java, Spring Boot, and API management platforms such as APIGEE, with a solid understanding of web service protocols and API gateways.
• Extensive experience working with AWS technologies, including ECS/EKS, Lambda, API Gateway, S3, Terraform, Step Functions, SQS, SNS, EventBridge, CloudWatch, Dynatrace, ALB, NLB, DynamoDB, Aurora RDS, MongoDB, Redis, Memcached, AWS Secrets Manager, and Kafka.
• Strong familiarity with authentication/authorization protocols such as OAuth, SSO/SAML.
• Proficiency in build tools (Maven, Gradle) and unit testing frameworks (JUnit, Mockito). Foundational experience with service orchestration, messaging technologies, and microservices architectures.
• Solid understanding of OpenAPI Specifications (Swagger) and API interface design.
• Exposure to SOAP and traditional web services is a plus.
• Experience with API gateway features such as rate limiting, spike arrest, and quotas.

Preferred Qualifications: Experience in the telecommunications industry, specifically with provisioning APIs or TMF APIs, is a strong plus