Title: Senior Golang Software Engineer Job Function Digital Banking PlatformSpringfield, MO Additional Location Allen, Texas; Birmingham, Alabama; Cedar Falls, Iowa; Charlotte, North Carolina; Lenexa, Kansas; Louisville, Kentucky; Monett, Missouri; Springfield, Missouri Workplace Type Hybrid Travel 5% Job ID 17119 Job Description: 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 part of the Card Management Delivery Team, you will be at the center of Jack Henry’s Technology Modernization Strategy. In your daily activities as a Senior Software Engineer, you will have the opportunity to be a key contributor on our development team creating new financial applications and shared platform services. You will be using an innovative technology stack as well as engage daily with other Software engineers, DevOps engineers, Product owners, and Business Analysts, on your team and across the organization. The primary programming language is Go, and if you aren’t familiar with it you’ll have a chance to learn as you Go (pun very much intended). Jack Henry is annually recognized as one of the best tech companies to work for in the U.S. by Forbes and other local sources! This is a fast-paced and fun work environment with a talented team engaging like a start-up company with the backing of a large, publicly traded company. This is a remote position, and candidates must live within approximately a 70-mile radius of our office locations in Allen, TX; Louisville, KY; Birmingham, AL; Cedar Falls, IA; Charlotte, NC; Lenexa, KS; Springfield, MO; or Monett, MO. 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). May require occasional travel, up to 10% for meetings, trainings or conferences. All positions, regardless of location, may require an onsite interview or in-person onboarding requirement to verify your identity. Compensation for this position will be a base salary of $92,000-140,000 depending on candidate experience and geographic location. 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: - Writing, testing, and delivering high-quality code to implement product features, enhancements, and bug fixes. - Collaborating closely with product managers, designers, and fellow engineers to translate product requirements into technical solutions. - Participating in peer code reviews, providing constructive feedback, and continuously improving the team’s code quality. - Actively contributing to agile development practices including sprint planning, stand-ups, retrospectives, and backlog refinement. - Taking ownership of assigned tasks and proactively ensuring timely delivery of features through effective communication and collaboration with team members. - Completing product technical design and prototyping, software development, bug verification, and resolution. - Providing technical/engineering support for new and existing applications from code delivery until the retirement of the application. - Adhering to documented departmental and corporate standards. Overseeing the definition and documentation of standards. Contributing to defining and improving department processes. - May perform other duties as assigned. What you’ll need to have: - A minimum of 6 years of software development including experience within back-end development using Microservices in .NET, C# or Golang. - Experience with containerization using Kubernetes and CI/CD using either ArgoCD, Jenkins, or GitHub Actions. - Must have experience developing cloud hosted applications (e.g., Google Cloud Platform). What would be nice for you to have: - Bachelor’s degree in Software Engineering or Computer Science. - Experience with Git-based repositories. - Experience with Pub/Sub, Kafka, and Eventing in general. - Experience with Infrastructure as Code (IaC). - SQL database experience. - Key Vaults and Certificate Management experience. 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 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(opens in new window) 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. 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.

• Developing, enhancing, and maintaining .NET applications • Participating in localization and further development of business software • Creating reporting solutions and working with business data • Collaborating with consultants and business stakeholders

• Building and maintaining features on a production Craft CMS platform, with consistent commits and a short feedback loop; • Contributing to the migration of a legacy CMS onto Craft, including UI/UX rework, targeting mid-2026 launch; • Working closely with client engineers and a product designer, collaborating on engineering initiatives and keeping each other sharp; • Mentoring teammates and sharing knowledge across the team to accelerate growth; • Participating in regular show and tells, promoting your work to the wider team; • Maintaining production quality and monitoring in line with SLAs; • Using good judgement about where emerging tools (including AI) genuinely improve the work.

• Investigate, diagnose, and resolve application issues using .NET where necessary across multiple environments to ensure system. • Assist with deployments, upgrades, and releases, ensuring minimal disruption to users. • Contribute to fixes and minor enhancements by reviewing, updating, testing, and documenting code where required. • Stay up-to-date with new technology trends and best practices in .NET development. • Continuously improve the codebase, fix bugs, and optimize performance. • Participate in code reviews to ensure code quality and shared knowledge. • Create and maintain comprehensive documentation for bugs and support solutions. • Develop and implement unit and functional tests to ensure code quality. • Assist in defining test scenarios and in testing the developed functionality.