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We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants, and consumers to one another millions of times a day – quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we’re involved. If you want to make an impact on a global scale, come make a difference at Fiserv.
Job Title
At Fiserv we are reimagining payment technology through an AI-first transformation. As a Senior Java Engineer you will pair deep engineering expertise with AI-assisted delivery to build the next generation of event-driven, cloud-native payment services. You will architect and ship resilient platforms, champion responsible AI adoption, and help teams move faster while staying compliant and secure.
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8–12+ years of total hands-on software engineering experience delivering software in complex, distributed, highly regulated environments.
Expert-level Java skills plus fluency with modern frameworks, testing libraries, and build tooling.
Hands-on experience with AWS (or comparable cloud) and building cloud-native, containerised services on Kubernetes.
Working knowledge of event-driven architectures and streaming platforms such as Kafka; able to model, test, and operate event flows at scale.
Experience with CI/CD, infrastructure automation, observability stacks, and Site Reliability/DevOps practices.
Demonstrated use of AI-assisted engineering tools (e.g., GitHub Copilot, internal copilots) or building ML/LLM-enabled services; comfort applying AI responsibly.
Strong collaboration and communication skills with the ability to influence cross-functional partners and navigate
Strong programming fundamentals (Java, etc.).
Experience with AI APIs (OpenAI, Azure AI, AWS Bedrock) is a plus.
Experience designing or consuming LLM‑powered features, conversational APIs, or AI‑driven automation workflows.
Familiarity with prompt engineering, RAG architectures, embeddings, vector databases, and AI evaluation techniques.
Exposure to payments, transaction processing, or real‑time financial systems.
Knowledge of multiple cloud platforms (AWS / Azure / GCP)
Passion for continuous learning, modern engineering practices, and applying AI responsibly to real‑world problems
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).
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, or any other category protected by law.
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.
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.
Global leader in financial services technology solutions.
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Senior · 8+ years experience
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