Full Stack Platform Engineer III: Developer Experience

Join Jack Henry’s Developer Experience team and help shape how our engineers build, deploy, and scale modern financial technology. In this highly impactful engineering role, you’ll define frameworks, create tooling, and provide automations that allow developers to ship secure, reliable code faster. You’ll combine full-stack and infrastructure expertise to build and centralize performant, scalable platform tooling in our internal developer platform. Finally, you’ll foster relationships and partner with our engineering and support teams to better understand how we can remove friction and improve their existing processes. This is an opportunity to establish best practices, influence our technical direction, and create solutions that serve as both a North Star and a foundation for engineering teams across Jack Henry. This role may require up to 5% travel for meetings, training, or conferences.

This position may be worked remotely within the United States, with the exception of California. All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity.

This position is ineligible 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).

What you’ll be responsible for:

• Write code to build full stack platforms under minimal supervision.
• Plan, design and build the core tooling platforms used by all of Jack Henry’s engineering teams.
• Debug critical production issues that may impact multiple sites and services.
• Focus on site state and health with the discipline that allows us to easily and automatically move workloads to avoid failure.
• Work with engineering teams to understand their priorities and emerging needs to prioritize solutions that keep pace with product development.

• Advocating for coding standards and best practices.

• May perform other job duties as assigned., No one will be subject to, and Jack Henry prohibits, any form of discipline, reprisal, intimidation, or retaliation for good faith reports or complaints of discrimination of any kind, pursuing any discrimination claim, or cooperating in related investigations.

Requests for full corporate job descriptions may be requested through the interview process at any time.

• A minimum of 4 years in software engineering, systems engineering, DevOps, and/or infrastructure as code environments.

• Experience in Golang, Rust, or NodeJS and React or another front end framework.
• Experience with a major cloud platform, with Google Cloud Platform preferred; AWS or Azure experience is also acceptable.
• Familiarity with the full life cycle of software development, from design and implementation to testing and deployment.

What would be nice for you to have:

• Bachelor’s degree.
• Experience with databases like MongoDB or PostgreSQL.
• Understanding and practical experience in declarative service infrastructure environments (e.g., Kubernetes, Terraform, Docker).
• Experience working with Internal Developer Portals such as Backstage or other DevEx tooling.
• Experience in UI/UX development, including the ability to write HTML and CSS.
• Experience in implementing security best practices within all phases of the software development lifecycle
• Experience writing and documenting standards and practices.

If you got this far, we hope you’re feeling excited about this opportunity. Even if you don’t feel you meet every single requirement on this posting, we still encourage you to apply. We’re looking for passionate, driven individuals who align with our mission and can bring unique perspectives to our team.

Why Jack Henry?

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., At Jack Henry, we live by the motto: “Do the right thing, do whatever it takes, and have fun.” It’s more than a tagline, it’s the foundation of our culture. We recognize that our associates are the key to our success, and we’re deeply committed to their wellbeing. That’s why we offer comprehensive benefits designed to support your physical, mental, and financial health so you can thrive both personally and professionally.

We’re also leading the way in technology modernization, helping financial institutions evolve with speed, security, and flexibility. Our strategy focuses on delivering secure data access, mitigating fraud, and enabling seamless integration. Empowering our teams to build innovative solutions that meet the evolving needs of accountholders.

Culture of Commitment

Ask our associates why they love Jack Henry, and many will tell you it is because our culture is exceptional. We do great things together. Our culture empowers us to rise to challenges, seek new opportunities, and support one another through change. It’s this shared commitment that drives our success. We’re proud to foster an environment where inclusion, sustainability, and community impact are more than values, they’re how we operate. Visit our Corporate Sustainability site to learn more about our culture and commitment to our people, customers, community, environment, and shareholders.

Equal Employment Opportunity

At Jack Henry, we know we are better together. We value, respect, and protect the uniqueness each of us brings. Innovation flourishes by including all voices and makes our business - and our society - stronger. Jack Henry is an equal opportunity employer and we are committed to providing equal opportunity in all of our employment practices, including selection, hiring, performance management, promotion, transfer, compensation, benefits, education, training, social, and recreational activities to all persons regardless of race, religious creed, color, national origin, ancestry, physical disability, mental disability, genetic information, pregnancy, marital status, sex, gender, gender identity, gender expression, age, sexual orientation, and military and veteran status, or any other protected status protected by local, state or federal law.