AI Accelerated Senior Java Engineer

What You'll Do

• Design and deliver software solutions for real-time payments, payment application programming interfaces (APIs), and high-volume omnichannel commerce processing.
• Analyze business processes and heterogeneous technology environments to define scalable, secure, and maintainable payment solutions.
• Develop microservices using reactive design patterns for protocol translation, enrichment, orchestration, and high-throughput transaction processing.
• Apply and reinforce consistent use of AI prompts, GitHub Copilot instructions, Codex instructions, SpecKit artifacts, and engineering guidance across delivery work.
• Improve engineering practices by sharing reusable prompts, workflows, coding patterns, testing approaches, and lessons learned for AI-assisted development.
• Lead use of specification-driven engineering practices, including SpecKit or similar frameworks, to improve clarity, traceability, implementation quality, and delivery predictability.
• Validate product changes through unit, component, integration, performance, and API testing, including Postman-based API validation where applicable.
• Conduct code reviews that evaluate AI-assisted suggestions for security, quality, maintainability, performance, and appropriate implementation.
• Guide teams on selecting AI tools and agents for design, coding, testing, documentation, debugging, and refactoring outcomes.
• Enhance API solutions to deliver secure, simple, and easy-to-consume interfaces for payment customers across enterprise environments.
• Contribute to API roadmap execution, software development kit (SDK) support, client libraries, DevOps, continuous integration and continuous delivery (CI/CD), and continuous delivery strategies.
• Responsibilities listed are not intended to be all-inclusive and may be modified as necessary.
• Experience you'll need to have: 8+ years of experience in software engineering using Java, Spring Boot, Spring Framework, Maven, Git, JIRA, Confluence
• enterprise software development life cycle practices. 8+ years of experience designing and delivering microservices, real-time APIs, high-volume transaction processing applications
• payment platform capabilities in enterprise environments. 8+ years of experience developing secure APIs and distributed services with protocol translation, orchestration, enrichment
• omnichannel consumption patterns. 6+ years of experience creating automated tests using JUnit, Mockito, Postman, JMeter, integration testing, component testing, mock frameworks, virtual services
• performance testing practices. 4+ years of experience using SpecKit or similar specification-driven engineering practices to define requirements, acceptance criteria, implementation plans
• validation expectations. 2+ years of experience using AI-assisted engineering tools such as GitHub Copilot, Copilot Chat, Codex, AI coding agents
• similar platforms to improve code development, testing, documentation
• delivery quality. 2+ years of experience creating or refining AI prompts, instruction sets, engineering playbooks
• reusable guidance for consistent AI-assisted development.
• Experience using quality and security scanning tools such as Sonar, Fortify, WebInspect, or similar tools to identify findings and improve code quality and risk posture.
• Experience working with Oracle, SQL Server, MySQL, or similar relational databases and enterprise data access patterns.
• Experience applying object-oriented design patterns, domain-driven design principles, test-driven development, and enterprise architecture frameworks.
• Experience working with cloud and platform technologies such as Amazon Web Services (AWS), Microsoft Azure, Google Cloud, Pivotal Cloud Foundry (PCF), Kubernetes, Jenkins, GitLab CI, or equivalent technologies.
• Strong written and verbal communication skills with the ability to collaborate across engineers, technical leads, delivery teams, and stakeholders.
• Bachelor’s degree in computer science, software engineering, or a related field, or equivalent combination of education, related experience and/or military experience.
• Experience that would be great to have: 10+ years of experience in enterprise payments, commerce platforms, cloud-native engineering, or large-scale distributed systems.
• Experience coaching engineers on prompt quality, AI-assisted coding workflows, agent selection, code review practices, test generation, debugging, refactoring, and documentation standards.
• Experience defining AI usage standards, measuring adoption quality, tracking delivery outcomes, and improving engineering practices based on delivery metrics and defect trends.
• Relevant certifications in cloud, security, architecture, agile delivery, payments, or AI-assisted software engineering, or equivalent validated experience.
• Important info about this role: You must currently possess valid and unrestricted U.S. work authorization to be considered for this role.
• Individuals with temporary visas including, but not limited to, F-1 (OPT, CPT, STEM), H-1B, H-2, or TN, or any candidate requiring sponsorship, now or in the future, will not be considered for this role.
• We’re better together!
• This role is fully on-site.
• This is a full-time, direct-hire position
• no contract options or unsolicited agency submissions will be considered #LI-IH1 Salary Range $128,000.00 - $216,000.00 These pay ranges apply to employees in New Jersey and New York.
• Pay ranges for employees in other states may differ.
• It is unlawful to discriminate against a prospective employee due to the individual's status as a veteran.
• For incentive eligible associates, the successful candidate is eligible for an annual incentive opportunity which may be delivered as a mix of cash bonus and equity awards in the Company’s sole discretion.
• Thank you for considering employment with Fiserv.
• Please: Apply using your legal name Complete the step-by-step profile and attach your resume (either is acceptable, both are preferable).
• Our commitment to Equal Opportunity: Fiserv is proud to be an Equal Opportunity Employer.
• All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, gender, gender identity, sexual orientation, age, disability, protected veteran status
• any other category protected by law.
• If you have a disability and require a reasonable accommodation in completing a job application or otherwise participating in the overall hiring process, please contact AskHR.US@fiserv.com .
• Please note our AskHR representatives do not have visibility to your application status.
• Current associates who require a workplace accommodation should refer to Fiserv’s Disability Accommodation Policy for additional information.
• Note to agencies: Fiserv does not accept resume submissions from agencies outside of existing agreements.
• Please do not send resumes to Fiserv associates.
• Fiserv is not responsible for any fees associated with unsolicited resume submissions.
• Warning about fake job posts: Please be aware of fraudulent job postings that are not affiliated with Fiserv.
• Fraudulent job postings may be used by cyber criminals to target your personally identifiable information and/or to steal money or financial information.
• Any communications from a Fiserv representative will come from a legitimate Fiserv email address.