System One logo

Senior API Platform Software Engineer

System One
  • Pittsburgh, PA
  • $98,000 Per Year
  • Quick Apply
1 day ago
System One

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

Why Join Us?

You will have the opportunity to work on high-impact cloud data initiatives supporting enterprise risk and analytics with one of world class fortune 500 company. This role offers exposure to modern AWS technologies, complex data challenges, AI-enabled automation, and cross-functional collaboration within a major financial services environment.


Ref: #404-IT Pittsburgh


Numbers & Facts

LocationPittsburgh, PA
IndustryStaffing/Employment Agencies
Salary$98,000 Per Year
Company Size2,500 to 4,999 employees
Websitehttps://systemone.com

About Company

Every day, System One focuses on services and solutions that require a high degree of specialization, in-demand technical skills, and large-scale operational expertise. We are essential partners to those on the front lines of our nation’s most critical infrastructure, technology, and life sciences initiatives. 

Founded more than 40 years ago as a staffing partner to the engineering industry, today System One is a diversified organization operating in over 50 locations and putting more than 9,000 people to work in the United States, Canada, and the United Kingdom.

Skills

  • AWS Lambdaunmatched
  • Agile Programming Methodologiesunmatched
  • Amazon Elastic Compute Cloud (EC2)unmatched
  • Amazon Simple Storage Service (S3)unmatched
  • Amazon Web Services (AWS)unmatched
  • Application Programming Interface (API)unmatched
  • Artificial Intelligence (AI)unmatched
  • Automationunmatched
  • Cachingunmatched
  • Cloud Applicationsunmatched
  • Cloud Computingunmatched
  • Computer Scienceunmatched
  • Continuous Deployment/Deliveryunmatched
  • Continuous Integrationunmatched
  • Cross-Functionalunmatched
  • DevOpsunmatched
  • Disaster Recoveryunmatched
  • Financial Servicesunmatched
  • Fortune 500 Customersunmatched
  • GitHubunmatched
  • GraphQLunmatched
  • High Availabilityunmatched
  • Identify Issuesunmatched
  • Information Technology & Information Systemsunmatched
  • Javaunmatched
  • JavaScriptunmatched
  • Knowledge Baseunmatched
  • Load Balancingunmatched
  • Microservicesunmatched
  • NoSQLunmatched
  • OAuthunmatched
  • Performance Analysisunmatched
  • Production Controlunmatched
  • Production Supportunmatched
  • Python Programming/Scripting Languageunmatched
  • REST (Representational State Transfer)unmatched
  • Relational Databases (RDBMS)unmatched
  • Risk Analysisunmatched
  • SWAGGER OASunmatched
  • Scalable System Developmentunmatched
  • Scrum Project Management and Software Developmentunmatched
  • Security Analysisunmatched
  • Security Architectureunmatched
  • Software Developmentunmatched
  • Software Engineeringunmatched
  • Splunkunmatched

Be found by employers

5,500+ employers search our resume database daily. Add yours to get found by recruiters looking for candidates like you.

Level up your application

Professional resume templates

Browse dozens of recruiter approved resume templates, layouts and formats. Choose your favorite and make it your own in minutes.

Free resume templates

Free resume builder

Improve your existing resume or start from scratch and create a standout, ATS-friendly resume. Add job-specific content, download and apply.

Free resume builder