Senior Software Engineer — Enterprise Banking Integration

Job overview

The Senior Software Engineer — Enterprise Banking Integration role is listed in Mercer Island, WA; compensation is not specified. PortX develops AI-powered data and integration products for modern banking, including integration, customer data, and payments capabilities. The engineer builds and supports customer integration solutions across banking and payments environments. The role contributes to customer success by developing APIs and backend services, resolving technical issues, and improving secure, reliable, and scalable cloud-based systems.

What you'll do

• Develop customer integration projects
• build and enhance APIs, backend services, and integration components
• design, test, and maintain solutions
• use AI developer tools responsibly
• troubleshoot customer issues and perform root-cause analysis
• participate in technical design
• support deployment and operations in cloud environments, primarily AWS
• write tested code and documentation
• collaborate on performance, reliability, observability, and scalability.

What we're looking for

Skills & competencies

senior software engineer

enterprise banking integration

mercer island wa

apis

backend services

event-driven architecture

aws

rest and soap

containerization

git

maven

ai developer tools

banking and payments

u.s. citizenship required

Work arrangement

• Weekend coverage required

Benefits & perks

• Equity opportunities, medical, dental, and vision insurance, 401(k), and unlimited paid time off.

Why this role

The posting highlights enterprise integration experience, APIs, event-driven architecture, containerization, REST and SOAP services, AWS, Git, Maven, and AI developer tools. U.S. citizenship is required; visa sponsorship is unavailable.

About the employer

PortX is hiring for this role. Industry: Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services. Sector: 51.