Senior Software Engineer - Enterprise integration for banking

About this role

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 new opportunities for Senior Software Engineers, working in a high-impact environment that's open and rewarding, so it's a great time to join.

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:

Enterprise integration and implementation experience: APIs, event-driven architecture, integration platforms/iPaaS

Hands on experience with containerization

Experience with consuming web services, REST and SOAP based architecture

Hands on experience with deploying to AWS platform

Hands on experience with GIT

Hands on experience with Maven

Demonstrated hands-on expertise with AI developer tools (e.g., GitHub Copilot, GPT-powered coding assistants, automated test writers etc.

Preferred 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

Demonstrated technical architectural design capability from past projects

This is a chance to join a fast-growing company at the forefront of AI-powered banking integration and data innovation. You will work in a collaborative, high-impact environment where your technical expertise directly influences business growth and customer success. At this stage, ownership isn't a talking point - it's the job. You'll drive your space end to end, which means your time and availability flex with what the work actually needs, not a fixed clock. If that type of environment is energizing rather than exhausting, you'll thrive here.

PortX Principles

Do Everything with Purpose

Challenge the Ordinary

Check your Ego at the Door

Benefits

Competitive compensation: attractive equity opportunities at a venture-backed startup

High Impact Role: Have a direct and immediate impact on revenue & scaling the business

Insurance (medical, dental, vision)

401(k)

Unlimited PTO

Be a part of a collaborative and highly motivated team culture where your voice is heard and you're not just a number in a big company

US Citizenship required - No Visa Sponsorship available