Jobs and Careers

Senior Full-Stack Software Engineer

Springfield, United StatesRemotefull_timeVerifiedPosted 21 May 2026

About the role

At Jack Henry, we’re more than a technology company, we’re a force for good in financial services. We’re redefining how community banks and credit unions connect with the people they serve. Our mission is rooted in people inspired innovation, empowering financial institutions to deliver seamless, secure, and human centered experiences. We deliver cutting-edge solutions that are paving the way for the next generation of digital banking and payments, but our true impact begins with our associates. If you're ready to help transform an industry and grow with a company that values purpose, collaboration, and excellence then we’d love to meet you.

As a Senior Full Stack Engineer, you will help modernize digital banking for credit unions by building scalable, cloud-native applications. You’ll deliver end-to-end features across APIs, web UI, and data pipelines, contributing to architecture while working collaboratively across teams.

This is a remote position and candidates must live within approximately a 70-mile radius of our office locations in Allen, TX; Lenexa, KS; Springfield, MO; Monett, MO; Louisville, KY; Charlotte, NC; Cedar Falls, IA; or Birmingham, AL.

This position is not eligible for immigration sponsorship and support. Please do not apply if at any time you will need immigration support now or in the future (i.e., H-1B, PERM). All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity.

What you’ll be responsible for:

Design and deliver full-stack features (microservices, APIs, web UI, and data pipelines) with minimal guidance
Build backend services using Go and event-driven architectures (e.g., Pub/Sub)
Develop modern web UI using TypeScript and native web components
Implement data pipelines using Python and GCP services (e.g., Dataflow, BigQuery)
Collaborate cross-functionally to deliver customer-focused solutions
Contribute to architecture and mentor junior engineers
Deploy and operate applications using existing IaC and CI/CD processes in GCP
Performs and may lead system analysis and programming activities which may require research and timely, effective, and quality delivery of software into production.
Performs, and may lead, technical/engineering support for new and existing applications from code delivery until the retirement of the application.
Develops, tests and reviews applications based on business requirements and industry best practices.
Uses best practices and standard guidance to create and modify code. Considers how code changes will affect end users and internal teams. May review code created by less experienced team members.
Collaborates with QA team to ensure timely delivery of high-quality products.
Performs, and may lead, work with cross-team as projects dictate.
Works on, and may lead, critical tasks and deliverables with no assistance, and sets and updates expectations on size, scope, and timelines.
Participates in and may lead team in cross-functional meetings and discussions.
Creates required technical documentation.
Stays updated with emerging technologies and industry trends, recommending innovative solutions to improve software development processes.
Adheres to documented departmental and corporate standards. Participates in the definition and documentation of standards.
May lead unit tests and integration tests to ensure the reliability, security, and performance of developed software.
Debugs and troubleshoots issues as they arise, providing timely resolutions.
May contribute to product architecture.
May perform other job duties as assigned.