Senior API Engineer - Advisor I

About the role

We are seeking a Software Engineer to join our engineering team at Fiserv. You’ll collaborate with product managers, clients at leading financial institutions, and cross-functional engineering teams to design and deliver resilient, high-volume solutions that leverage modern APIs, microservices, third-party integrations and cloud infrastructure. Your work will help shape solution architecture and drive reliable, performant production systems.

Responsibilities

• Define and implement solution architecture for high-volume, resilient systems.
• Design, develop, debug and test object-oriented Java/J2EE code, Spring and RESTful APIs (JSON over HTTPS).
• Effective usage of AI for Software Engineering – Design/Coding/Code review/Debugging
• Hands-on working experience in Azure, and Containerization
• Build cloud-native services following 12-Factor principles and work with messaging platforms and integrations (Kafka, MQ, ESB).
• Collaborate in Agile/Scrum delivery model with product managers, clients and engineering teams.
• Contribute to CI/CD and DevSecOps practices to enable repeatable, secure deployments.
• Perform database integrations, JPA, performance tuning and optimization across relational and non-relational stores.
• Apply design patterns and algorithmic approaches to improve reliability, maintainability, readability and performance.
• Troubleshoot and operate within complex IT environments, including networking, security and performance considerations.
• Cloud migration and platforms experience (Azure, PCF, OpenShift, AWS).
• Experience with Splunk and file transfer technologies (NDM / Connect: Direct / IBM FileGateway).
• Experience with both relational and non-relational database technologies (SQL and NoSQL).
• Advanced understanding of design patterns, software algorithms and coding techniques that improve testability and maintainability.
• High proficiency with modern CI/CD and DevSecOps practices.

Requirements

• 8+ years recent experience as a member of engineering teams delivering resilient, high-volume solutions built in Java/J2EE.
• 5+ years working on high-volume transactional systems, including performance tuning.
• 5+ years hands-on experience building RESTful APIs (JSON over HTTPS) with recent hands-on experience with Java and Spring Frameworks (Spring Boot).
• 4+ years hands-on experience designing, writing, debugging and testing object-oriented code.
• Experience developing 12-Factor cloud-native services messaging architectures (Kafka, MQ, ESB).
• Experience with both relational and non-relational database technologies (SQL and NoSQL).

Qualifications

• Advanced understanding of design patterns, software algorithms and coding techniques that improve testability and maintainability.
• High proficiency with modern CI/CD and DevSecOps practices.

Skills

• Effective usage of AI for Software Engineering – Design/Coding/Code review/Debugging
• Hands-on working experience in Azure, and Containerization
• Build cloud-native services following 12-Factor principles and work with messaging platforms and integrations (Kafka, MQ, ESB).
• Collaborate in Agile/Scrum delivery model with product managers, clients and engineering teams.
• Contribute to CI/CD and DevSecOps practices to enable repeatable, secure deployments.
• Perform database integrations, JPA, performance tuning and optimization across relational and non-relational stores.
• Apply design patterns and algorithmic approaches to improve reliability, maintainability, readability and performance.
• Troubleshoot and operate within complex IT environments, including networking, security and performance considerations.
• Cloud migration and platforms experience (Azure, PCF, OpenShift, AWS).
• Experience with Splunk and file transfer technologies (NDM / Connect: Direct / IBM FileGateway).
• Experience with both relational and non-relational database technologies (SQL and NoSQL).
• Advanced understanding of design patterns, software algorithms and coding techniques that improve testability and maintainability.
• High proficiency with modern CI/CD and DevSecOps practices.

Benefits

At Fiserv, we offer a comprehensive benefits package designed to support your health, financial stability, and overall well-being. This includes:

• Health, dental, and vision insurance
• Retirement savings plans
• Flexible spending accounts
• Employee assistance programs
• Wellness programs
• Professional development opportunities

Pay

$90,000.00 - $158,400.00

Schedule

This role is on-site Monday through Friday. Fiserv considers in-person collaboration to be an essential part of this role as in-person office experiences help you with your overall onboarding experience and leads to stronger productivity. Travel Approximately 10% of travel off-site or to other office locations is expected.

Sponsorship

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.

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.