Senior Synon & Cobol/400 Developer

Endava; United States; Remote; USD 110,000 - 150,000; Full time

Benefits offered by this job

Medical, Dental, Vision

401(k) with match

Health Savings Account (HSA)

Flexible Spending Accounts

Job summary

Endava is seeking an experienced AS/400 developer to design, modify, and enhance applications using Synon/COOL 2E, COBOL/400, CL/400 and DB2/400. You will develop RxCLAIM claims adjudication functionality and support complex healthcare workflows.

You will analyze legacy processing logic, improve interfaces with PBM systems, and translate business needs into robust technical solutions. Remote-friendly, with occasional onsite collaboration to meet milestones.

Qualifications

• 5+ years hands-on experience with Synon/COOL 2E, COBOL/400, CL/400/CLLE, DB2/400.
• Strong RxCLAIM experience and claims adjudication knowledge.
• Ability to lead technically when required and work independently.
• Experience with integrating RxCLAIM/AS400 apps with downstream systems.

Responsibilities

• Design, develop, modify, and enhance AS/400 applications.
• Develop and support RxCLAIM/pharmacy claims functionality.
• Analyze complex claim processing logic and business rules.
• Maintain integrations with healthcare and PBM systems.
• Provide technical guidance and lead development activities.

Skills

Synon/COOL 2E

COBOL/400

CL/400

CLLE

DB2/400

RxCLAIM

Job description

Technology is our how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change.

By combining world-class engineering, industry expertise and a people-centric mindset, we consult and partner with leading brands from various industries to create dynamic platforms and intelligent digital experiences that drive innovation and transform businesses.

From prototype to real-world impact - be part of a global shift by doing work that matters.

Job Description

• Design, develop, modify, and enhance applications using SYNON/COOL 2E, COBOL400, CL/400, CLLE, and DB2/400.
• Develop and support RxCLAIM / pharmacy claims adjudication functionality and related business processes.
• Analyze and enhance complex claim processing logic, including business rules and system workflows.
• Develop and maintain integrations with downstream healthcare and PBM systems.
• Perform major enhancements and modifications to existing healthcare applications.
• Maintain, modernize, and improve existing AS/400 applications while developing new solutions.
• Analyze, troubleshoot, and resolve complex production and application issues.
• Investigate system defects, identify root causes, and implement effective technical solutions.
• Translate business requirements into technical designs and application changes.
• Document system flows, application functionality, interfaces, and business logic.
• Perform impact analysis for application changes and ensure changes do not negatively affect downstream processes.
• Conduct unit testing, integration testing, and support system/user acceptance testing as required.
• Collaborate with business analysts, technical teams, QA teams, and healthcare/PBM stakeholders.
• Deliver high-quality, reliable code with minimal supervision.
• Take ownership of assigned development activities and meet project milestones and deadlines.
• Provide technical guidance and assume leadership responsibilities when needed.

Qualifications

Required:

• 5+ years of hands‑on experience with:
  • SYNON / COOL 2E
  • COBOL400
  • CL/400 and CLLE
  • DB2/400
• Strong hands‑on experience with RxCLAIM.
• Ability and willingness to take on technical leadership responsibilities when required.
• Experience working with pharmacy claims adjudication and claims processing systems.
• Strong knowledge of Healthcare / Pharmacy Benefit Management (PBM) processes and applications.
• Experience analyzing and modifying complex claims processing logic and business rules.
• Experience supporting integrations between RxCLAIM/AS400 applications and downstream healthcare systems.
• Strong production support, troubleshooting, and root‑cause analysis skills.
• Ability to understand complex legacy applications and make enhancements with minimal supervision.
• Strong analytical and problem‑solving skills.
• Ability to work independently in a remote environment while collaborating effectively with distributed teams.
• Experience supporting large‑scale healthcare or PBM platforms.
• Experience performing major enhancements to existing AS/400 healthcare applications.
• Strong understanding of legacy application architecture and modernization considerations.
• Experience documenting complex system flows and business logic.
• Experience working in Agile or structured.

Additional Information

All your information will be kept confidential according to EEO guidelines.

Additional Employee Requirements

• Participation in both internal meetings and external meetings via video calls, as necessary.
• Ability to go into corporate or client offices to work onsite, as necessary.
• Prolonged periods of remaining stationary at a desk and working on a computer, as necessary.
• Ability to bend, kneel, crouch, and reach overhead, as necessary.
• Hand‑eye coordination necessary to operate computers and various pieces of office equipment, as necessary.
• Vision abilities including close vision, toleration of fluorescent lighting, and adjusting focus, as necessary.
• For positions that require business travel and/or event attendance, ability to lift 25 lbs, as necessary.
• For positions that require business travel and/or event attendance, a valid driver’s license and acceptable driving record are required, as driving is an essential job function.

*If requested, reasonable accommodations will be made to enable employees requiring accommodations to perform the essential functions of their jobs, absent undue hardship.

USA Benefits (Full time roles only, does not apply to contractor positions)

• Robust healthcare and benefits including Medical, Dental, vision, Disability coverage, and various other benefit options
• Flexible Spending Accounts (Medical, Transit, and Dependent Care)
• Employer Paid Life Insurance and AD&D Coverages
• Health Savings account paired with our low-cost High Deductible Medical Plan
• 401(k) Safe Harbor Retirement plan with employer match with immediately vest

At Endava, we’re committed to creating an open, inclusive, and respectful environment where everyone feels safe, valued, and empowered to be their best. We welcome applications from people of all backgrounds, experiences, and perspectives—because we know that inclusive teams help us deliver smarter, more innovative solutions for our customers. Hiring decisions are based on merit, skills, qualifications, and potential. If you need adjustments or support during the recruitment process, please let us know.