Nisum - Backend Engineer - API Development

Description :

Job Position : Backend Engineer (1 Intermediate and 1 Senior)

Job Description :

We are seeking a highly experienced Staff Engineer to lead the design and development of enterprise-grade APIs and integration frameworks. The ideal candidate will have deep expertise in building scalable API platforms, implementing API gateways, and driving best practices for microservices architecture. This role requires strong technical leadership, hands-on development skills, and the ability to influence architectural decisions across teams.

Key Responsibilities :

- Architect and develop RESTful APIs using Spring Boot and J2EE frameworks.

- Define and enforce API standards, including Swagger/OpenAPI specifications.

- Implement and manage API Gateway solutions for secure and scalable API consumption.

- Drive centralized authentication, authorization, and traffic management strategies.

- Design and maintain centralized Airflow pipelines for data processing and automation.

- Architect and deploy API solutions on AWS Cloud leveraging services like API Gateway, Lambda, ECS/EKS, S3, RDS, DynamoDB, and IAM.

- Optimize cloud infrastructure for scalability, security, and cost efficiency.

- Mentor engineers, review code, and establish best practices for API development.

- Contribute to architectural roadmaps and technology strategy.

Required Skills :

- 4 - 7years of experience in software engineering with a focus on API development.

- Strong proficiency in Spring Boot, J2EE, and RESTful API design.

- Hands-on experience with Swagger/OpenAPI documentation.

- Expertise in API Gateway technologies (e.g., Kong, Apigee, AWS API Gateway).

- Experience with Apache Airflow for centralized workflow management.

- Strong hands-on experience with AWS services for API hosting, security, and orchestration.

- Familiarity with AWS networking, IAM policies, and cost optimization.

- Solid understanding of microservices architecture, distributed systems, and cloud-native patterns.

- Strong problem-solving, debugging, and performance optimization skills.

- Excellent communication and leadership abilities.

Required Certifications :

- AWS Certified Solutions Architect Professional

- AWS Certified Developer Associate

- AWS Certified DevOps Engineer Professional (preferred)

Preferred Qualifications/Good to have :

- Experience with containerization (Docker/Kubernetes).

- Familiarity with CI/CD pipelines and DevOps practices.