Senior API Platform Software Engineer

System One Holdings, LLC

• $110K — $130K *
Pittsburgh, PA 15237In-Person
Finance & Insurance
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 5+ years of experience in Java 8-21 and/or Python development.
  • Expertise in RESTful APIs, backend services, and microservices.
  • Hands-on experience with a range of AWS services including EC2, ECS, EKS, and Lambda.
  • Proficient in using Apigee for API management.
  • Strong understanding of API security measures like OAuth 2.0, JWT, and mTLS.
  • Familiarity with OpenAPI/Swagger for API design and documentation.
  • Experience with CI/CD practices using tools like GitHub, GitLab, and Terraform.

Responsibilities

  • Develop secure and scalable RESTful APIs and microservices.
  • Manage the complete API lifecycle from implementation to production support.
  • Utilize Java and/or Python for application development.
  • Build API management solutions with Apigee.
  • Implement robust API security protocols.
  • Work with various AWS cloud services including containerized platforms.
  • Support monitoring, infrastructure management, and troubleshooting efforts.

Benefits

  • Opportunity to work in a hybrid environment across multiple team locations.
  • Access to cutting-edge technology and tools in financial services.
  • Collaboration with cross-functional teams including Product, DevOps, and Security.
  • Exposure to advanced API security practices and cloud services.
Full Job Description
Senior API Platform Software Engineer
Fulltime
Hybrid - Knoxville, TN | Columbia, SC | Lafayette, LA | Birmingham, AL

Position Overview
Seeking a Senior API Platform Software Engineer to build and enhance backend services, APIs, and API platform capabilities within a highly distributed, AWS-based financial services environment.
This is a hands-on role requiring strong experience with Java and/or Python, REST APIs, Microservices, AWS, Apigee, API Security, and DevOps.
Key Responsibilities

  • Develop secure and scalable RESTful APIs, backend services, and microservices.
  • Support the complete API lifecycle including implementation, versioning, security, performance, monitoring, and production support.
  • Develop applications using Java and/or Python.
  • Build and support API management solutions using Apigee.
  • Implement API security using OAuth 2.0, JWT, mTLS, and API key management.
  • Work with AWS cloud services and containerized platforms.
  • Support CI/CD, Infrastructure as Code, monitoring, and observability.
  • Troubleshoot API, cloud, application, and performance issues.
  • Collaborate with Product, DevOps, Security, and Architecture teams.

Must-Have Skills
  • 5+ years of hands-on development experience with Java 8-21 and/or Python.
  • Strong experience with RESTful APIs, backend services, and microservices.
  • Hands-on AWS experience including:
    • EC2
    • ECS
    • EKS
    • Lambda
    • S3
    • IAM
    • Route 53
    • CloudWatch
  • Strong experience with Apigee OPDK, Apigee X, or Apigee Hybrid.
  • Strong understanding of API lifecycle, versioning, throttling, traffic management, security, and analytics.
  • API security experience with OAuth 2.0, JWT, mTLS, and API Keys.
  • Knowledge of OpenAPI / Swagger.
  • Experience with GitHub or GitLab, Terraform, and CI/CD.
  • Working knowledge of JavaScript / TypeScript.
  • Experience with Kubernetes, ECS, and EKS.
  • Monitoring experience with OpenTelemetry, Splunk, and CloudWatch.
  • Knowledge of load balancing, caching, high availability, resiliency, and disaster recovery.
  • Experience with relational and NoSQL databases.
  • Agile/Scrum experience.

Nice-to-Have Skills
  • GraphQL.
  • AWS CloudFormation.

Key Technologies

Java | Python | AWS | REST APIs | Microservices | Apigee | OAuth 2.0 | JWT | mTLS | OpenAPI | Swagger | ECS | EKS | Kubernetes | Terraform | GitHub | GitLab | OpenTelemetry | Splunk | CloudWatch | JavaScript | TypeScript | SQL | NoSQL

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


The real hiring focus is Java/Python + API development + Apigee + AWS + API Security (OAuth/JWT/mTLS) + Microservices

#M1
#DI-CB2

#L1 - KB1

Ref: #404-IT Pittsburgh
* Ladders Estimates

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