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Fiserv

InterSystems IRIS Developer

Fiserv

. Lead solution design and end-to-end delivery for applications built on InterSystems Cache and InterSystems IRIS .

Posted 10/26/2026full-timeUnited StatesSeniorLead💰 $90,000 - $158,400 per yearWebsite

Core Competencies

Role fit
Core Competencies

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Demonstrates extensive experience in leading solution design and delivery for applications using InterSystems Cache and IRIS, with a strong focus on ObjectScript development, performance optimization, and secure software practices. Proven ability to mentor teams and drive Agile methodologies in high-performance, data-centric environments.

Highest-signal resume keywords
InterSystems CacheInterSystems IRISObjectScript DevelopmentAgile DeliverySQL Performance Tuning

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Solution DesignAPI DevelopmentData Workflow OptimizationCode Quality AssuranceRoot-Cause Analysis
Soft Skills
MentoringTechnical LeadershipCollaboration
Tools & Technologies
REST APIsCI/CD PipelinesGitAutomated Testing
Certifications & Qualifications
InterSystems Certifications
Industry Keywords
Financial ServicesRegulated EnvironmentsHigh Availability Concepts

Tech Stack

Tools & technologies
ETLLinuxSQLUnix

About the role

Key responsibilities & impact
  • Lead solution design and end-to-end delivery for applications built on InterSystems Cache and InterSystems IRIS
  • Translate product requirements into technical designs while identifying dependencies, tradeoffs, risks, and phased delivery plans
  • Design, develop, test, debug, and document ObjectScript-based services, APIs, batch processes, and data workflows
  • Drive code quality through coding standards, code reviews, pairing, and automated checks
  • Optimize IRIS/Cache data structures, SQL access, persistent classes, queries, and application logic for performance, scalability, and reliability
  • Lead modernization and integration efforts, including Cache-to-IRIS migrations and legacy component upgrades
  • Implement REST APIs, messaging, and file or batch integration patterns while maintaining backward compatibility
  • Troubleshoot incidents, perform root-cause analysis, and implement preventive improvements
  • Embed secure software development practices and partner with security and risk teams
  • Mentor engineers across engineering, QA, architecture, infrastructure, and product teams

Requirements

What you’ll need
  • 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
  • Nice to have: 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
  • Nice to have: 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
  • Nice to have: 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

Benefits

Comp & perks
  • Annual incentive opportunity, which may be delivered as a mix of cash bonus and equity awards
  • Reasonable accommodation support during the application and hiring process