Java Developer - Software Development Engineering

Calling all innovators – find your future at Fiserv.

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

Professional, Software Development Engineering

What does a successful Java Developer AI Python Solutions do?
A successful Java Developer AI Python Solutions at Fiserv builds secure, scalable enterprise applications that help clients move at the speed of life. This role combines strong Java engineering with modern AI application development to deliver intelligent, cloud-ready solutions. We look for a partner in possibility who can turn complex technical challenges into practical, high-impact outcomes. You will help drive innovation across enterprise platforms while supporting reliability, governance, and client-focused execution.

What you will do:

• Design and develop enterprise applications using Java, Spring Boot, and Microservices architecture
• Build and enhance REST APIs that support scalable, secure integration across platforms
• Develop AI-powered applications using Python, LLM integrations, RAG patterns, and AI Agents
• Integrate semantic search, vector database capabilities, and knowledge retrieval into business workflows
• Collaborate with architects, product owners, and engineering teams to deliver high-quality cloud-native solutions
• Contribute to CI/CD pipelines, containerized deployments, and production support in cloud environments
• Perform code reviews, troubleshoot performance issues, and improve application resilience and maintainability
• Ensure adherence to security, governance, and responsible AI standards across solutions

What you will need to have:

• Any Graduation and/or equivalent military experience
• 6+ years of experience in Java development using Java 8, 11, or 17
• 6+ years of experience in Spring Boot, Spring MVC, Spring Security, and REST API development
• 6+ years of experience in Microservices, JPA/Hibernate, and SQL or NoSQL databases
• 6+ years of experience in Python development for backend services, LLM integrations, RAG, and AI Agents
• 6+ years of experience with cloud platforms, Docker, Kubernetes, and CI/CD tools such as Azure DevOps, GitHub Actions, or Jenkins

What would be great to have:

• 6+ years of experience with LangChain, LangGraph, and enterprise AI assistant development
• 6+ years of experience integrating Azure OpenAI or AWS Bedrock into production applications
• 6+ years of experience with vector databases, embedding models, and document indexing pipelines
• 6+ years of experience with Kafka or RabbitMQ in event-driven architecture environments
• 6+ years of experience in MLOps or LLMOps, including monitoring and evaluation of AI systems

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 Diversity and Inclusion:

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. 

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.