InterSystems IRIS Developer at Fiserv

Compensation

$90,000 – $158,400/yr

Setup: On-site
Location: Upper Merion Township, Pennsylvania · Omaha, Nebraska · +3
Type: Full-time
Level: not_specified
Posted: Oct 1, 2026

Description

Fiserv, a global Fintech and payments leader, seeks an experienced InterSystems IRIS Developer. The role involves leading the design, development, modernization, and support of critical platforms built on InterSystems Cache and IRIS. Responsibilities include translating product needs into scalable technical solutions, strengthening engineering practices, collaborating across teams, mentoring developers, improving operational resilience, and driving continuous modernization in a regulated fintech environment.

Required Skills

Software Engineering
Technical Leadership
Enterprise Systems
Design
Delivery Accountability
InterSystems Cache
InterSystems IRIS
ObjectScript Development
SQL
Query Optimization
Performance Tuning
Agile Delivery
Scrum
Kanban

Additional Information

Required Previous Experiences: 7+ years of software engineering experience, including technical leadership for enterprise systems with ownership of design, mentoring, and delivery accountability.
5+ years of hands-on experience with InterSystems Cache and/or InterSystems IRIS, including strong ObjectScript development and support expertise.
3+ years of experience building and supporting high-performance, data-centric applications with SQL, indexing, query optimization, performance tuning, and operational readiness in IRIS/Cache environments.
2+ years of Agile delivery experience using Scrum or Kanban, including story refinement, estimation, sprint planning, demos, retrospectives, and participation in production support or incident response.
Preferred Qualifications: 3+ years of experience with IRIS/Cache administration or close operational partnership, including installations, upgrades, backup and restore, monitoring, and high availability concepts such as mirroring or failover.
2+ years of experience with interoperability and engineering enablement, including REST/JSON APIs, messaging, ETL pipelines, batch or file interfaces, CI/CD pipelines, automated testing, and Git-based workflows.
1+ year of experience in regulated environments such as financial services, along with Linux/Unix scripting and InterSystems certifications in IRIS, Cache, HealthShare, or Ensemble.

About Fiserv

Fiserv

merchant acquiring solutionsBrookfield, WI, US

Fiserv is a global fintech and payments company with solutions for banking, global commerce, merchant acquiring, billing and payments, and point-of-sale.

Founded: 1984

View full company profile

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Additional Information

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