Senior API Platform Engineer - AWS Microservices (Hybrid)

System One, Inc.; Knoxville (TN); Hybrid; USD 120,000 - 180,000; Full time

Job summary

System One, Inc. is seeking a Senior API Platform Software Engineer to join our API Ecosystem team supporting enterprise scale financial services applications.

Hybrid work arrangement in a distributed AWS-based environment emphasizes building and enhancing backend services, APIs, and platform capabilities. The role focuses on developing secure, scalable RESTful APIs and microservices, participating in API lifecycle activities including versioning, security, monitoring, and production support.

Qualifications

• 5+ years of hands on software development experience using Java (8–21) and/or Python.
• Experience developing RESTful APIs, backend services, and microservices in distributed environments.
• Hands on experience with AWS, particularly services such as EC2, ECS, EKS, Lambda, S3, IAM, Route 53, and CloudWatch.
• Experience with API management and API gateway technologies, including Apigee OPDK, Apigee X, or Apigee Hybrid.
• Strong understanding of the API lifecycle, including versioning, security, throttling, traffic management, and analytics.
• Experience implementing API security using OAuth 2.0, JWT, mTLS, and API key management.
• Working knowledge of OpenAPI/Swagger; GraphQL experience is a plus.
• Experience with CI/CD and DevOps tooling, including GitHub or GitLab and Terraform.
• Working knowledge of JavaScript/TypeScript for supporting full stack or platform development needs.
• Experience with containers and Kubernetes, particularly ECS and EKS in AWS environments.
• Familiarity with monitoring and observability tools such as OpenTelemetry (OTEL), Splunk, and AWS CloudWatch.
• Understanding of load balancing, caching, high availability, resiliency, and disaster recovery concepts.
• Experience working with both relational and NoSQL databases.
• Strong troubleshooting and problem solving skills with the ability to quickly learn new technologies.
• Experience collaborating with Product, DevOps, Security, and Architecture teams in an Agile/Scrum environment.

Responsibilities

• Build and enhance backend services, APIs, and API platform capabilities in a distributed AWS environment.
• Develop secure, scalable RESTful APIs and microservices across the API lifecycle.
• Work with Product, DevOps, Security, and Architecture teams in an Agile setting to meet enterprise requirements.

Skills

Java (8–21)

Python

RESTful APIs

Distributed systems

AWS

API management

OAuth 2.0/JWT/mTLS

OpenAPI/Swagger

CI/CD

GitHub/GitLab

Terraform

JavaScript/TypeScript

Kubernetes

Education

Bachelor's degree in Computer Science, Software Engineering, IT

Tools

OpenTelemetry (OTEL)

Splunk

AWS CloudWatch

Job description

System One, Inc. is seeking a Senior API Platform Software Engineer to join our API Ecosystem team supporting enterprise scale financial services applications.

Hybrid work arrangement in a distributed AWS-based environment emphasizes building and enhancing backend services, APIs, and platform capabilities. The role focuses on developing secure, scalable RESTful APIs and microservices, participating in API lifecycle activities including versioning, security, monitoring, and production support.