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PortX

Senior Java Software Engineer, Contract

PortX Mercer Island, Washington, United States · $208K/yr

Software Development · 51-200 employees

20 h ago
java Senior (5-10 yrs) Contractor United States
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About the role

Develop, maintain, and enhance backend services and integration components for banking and payment projects. Collaborate with cross-functional teams to ensure system performance, scalability, and high-quality technical documentation.

What they look for

Java Docker Kubernetes Spring Boot AWS REST SOAP Git Maven AI developer tools API development Backend services Integration Banking domain Payments Apache Camel

Requirements

Requires strong Java development experience and hands-on expertise with Spring Boot, Docker, Kubernetes, and AWS. Candidates must have experience with API architectures and integration frameworks, with a preference for banking or payments domain knowledge.

Full description

This position is Seattle based, at office.

PortX is a leading AI-powered data and integration company for modern banking, bringing systems together and data to life through our unified platform for modern integration, governed customer 360 data, and next-generation payments.

We're in strong growth mode, with opportunities for Senior Software Engineers, working in a high-impact environment, so it's a great time to get involved. 

Day to day responsibilities include:

  • Hands-on development for PortX customer integration projects.
  • Build and enhance APIs, backend services, and integration components across modern banking and payments environments.
  • Design, develop, test, and maintain high-quality solutions for PortX customer integration projects.
  • Use modern AI tools responsibly to accelerate engineering productivity, code quality, testing, and documentation.
  • Troubleshoot, diagnose, and resolve customer-reported technical issues in a timely manner, including root cause analysis and permanent fixes where appropriate.
  • Participate in architectural and technical design discussions, helping define robust, secure, and maintainable solutions.
  • Contribute to deployment, configuration, and operational support processes across cloud-based environments, primarily AWS.
  • Write clean, maintainable, well-tested code and contribute to continuous improvement of engineering standards, tooling, and development practices.
  • Collaborate with cross-functional teams to improve system performance, reliability, observability, and scalability.
  • Create and maintain technical documentation relating to implementations, integrations, troubleshooting, and support handover.

Required skills:

 

  • Strong Java development experience, as main programming language
  • Hands on experience with Docker and Kubernetes
  • Experience with consuming web services, REST and SOAP based architecture
  • Hands on experience with Spring Boot framework
  • Hands on experience with deploying to AWS platform
  • Knowledge and experience with integration, APIs, ESBs, etc
  • Hands on experience with GIT
  • Hands on experience with Maven
  • Demonstrated hands-on expertise with AI developer tools

 

Desirable skills:

 

  • Banking, credit union, or payments domain experience (core banking systems, digital banking, ACH/ISO 20022).
  • Hands on experience with integration framework, such as Apache Camel

 

 

USC required/no sponsorship available.

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