Senior Full-Stack Engineer: Developer Portal & API UX

Jack Henry & Associates, Inc.; Northern (KY); Hybrid; USD 120,000 - 160,000; Full time

Job summary

Jack Henry & Associates, Inc. is seeking a Senior Full-Stack Software Engineer to lead jackhenry.dev, steering architecture, performance, and long-term strategy for our Developer Relations Portal.

You will shape a scalable portal for external developers integrating with our APIs and platforms. The role emphasizes developer experience, modern web architecture, and API ecosystems, with remote work within the United States (CA excluded).

Qualifications

• Minimum 6 years of experience in software engineering.
• Minimum 3 years in full-stack software development.
• Must be proficient with JavaScript/TypeScript.
• Hands-on use of AI coding tools (e.g., Cursor, Claude Code, GitHub Copilot) in day-to-day workflows.

Responsibilities

• Serve as the Senior Engineer for jackhenry.dev, responsible for the platform's architecture, performance, reliability, and long-term strategic direction.
• Design and evolve a scalable developer portal that delivers a best-in-class experience for external developers consuming Jack Henry APIs and platforms.
• Lead the implementation of new portal capabilities, developer tools, workflows, and integrations that improve developer adoption and engagement.
• Drive continuous improvements to developer onboarding, API discoverability, self-service functionality, documentation experiences, and technical resources.
• Monitor platform health and usage metrics, leveraging developer feedback and analytics to identify opportunities for optimization and enhancement.
• Ensure the platform meets enterprise requirements for security, authentication, authorization, compliance, and data protection.

Skills

JavaScript/TypeScript

Education

Bachelor's degree in Computer Science

Tools

AI coding tools

Job description

Jack Henry & Associates, Inc. is seeking a Senior Full-Stack Software Engineer to lead jackhenry.dev, steering architecture, performance, and long-term strategy for our Developer Relations Portal.

You will shape a scalable portal for external developers integrating with our APIs and platforms. The role emphasizes developer experience, modern web architecture, and API ecosystems, with remote work within the United States (CA excluded).