Senior API Platform Software Engineer

System One Holdings, LLC

$110K — $130K *
Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • 5+ years of hands-on software development experience with Java (8-21) and/or Python.
  • Proven experience developing RESTful APIs, backend services, and microservices in distributed settings.
  • Advanced knowledge and experience with AWS services like EC2, ECS, EKS, Lambda, and S3.
  • Familiarity with API management technologies, notably Apigee OPDK, X, or Hybrid.
  • Strong understanding of API lifecycle management including security and performance.

Responsibilities

  • Develop secure and scalable RESTful APIs and microservices for financial applications.
  • Enhance backend services and API platform capabilities in a distributed AWS environment.
  • Collaborate with cross-functional teams including Product, DevOps, and Architecture in Agile processes.
  • Implement API security measures using OAuth 2.0 and JWT, among others.
  • Monitor and support production performance and reliability of APIs.

Benefits

  • Hybrid work arrangement allowing flexibility between home and office.
  • Opportunity to work in a dynamic team with exposure to enterprise-level projects.
  • Collaborative Agile environment fostering innovation and rapid iteration.
Full Job Description
Job Title - Senior API Platform Software Engineer
Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC
Work Arrangement: Hybrid
Employment Type: Full time
Experience Required: 5+ years
Position Overview
We are seeking a Senior API Platform Software Engineer to join an API Ecosystem team supporting enterprise scale financial services applications. This role is focused on building and enhancing backend services, APIs, and API platform capabilities within a highly distributed, AWS based environment.

The engineer will develop secure, scalable RESTful APIs and microservices while contributing across the API lifecycle, including implementation, versioning, security, performance, monitoring, and production support. The role requires strong hands-on development experience with Java or Python, modern DevOps practices, AWS services, and API management technologies.

You will work closely with Product, DevOps, Security, and Architecture teams in an Agile environment to deliver reliable API solutions that meet enterprise security, availability, and performance requirements.

Required qualifications to be successful in this role
. 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.

Desired Skillset:

. CloudFormation experience is beneficial.

Education:
Bachelor's degree in Computer Science, Software Engineering, Information Technology, or a related technical field

Ref: #404-IT Pittsburgh

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