AS400 Architect

EPAM Systems, Inc.; Hyderabad; On-site; INR 4,000,000 - 7,000,000; Full time

Benefits offered by this job

Health benefits

Retirement benefits

Paid time off

Flexible benefits

Job summary

EPAM Systems, Inc. is seeking a seasoned AS/400 Architect to define the architectural direction for the IBM iSeries modernization, shaping an enterprise-scale reverse-engineering solution.

You will analyze legacy apps, identify dependencies, and drive modernization across technologies, processes, and AI-assisted documentation. You will collaborate with cross-functional teams, senior clients, and internal EPAM leadership to deliver strategic modernization initiatives while ensuring governance and

Qualifications

• 13+ years of experience in enterprise midrange (iSeries/AS/400) technologies.
• 5+ years focused on analysis, reverse engineering, and modernization solutions.
• Expertise in architecture, modernization strategies, governance and compliance.

Responsibilities

• Define the architectural vision and roadmap for IBM iSeries modernization.
• Analyze legacy AS/400 applications, map dependencies, and assess debt.
• Drive modernization: code refactoring, API enablement, UI modernization.
• Collaborate with AI Tools team to refine prompts and AI documentation.
• Engage with IBM i SMEs, owners, analysts, cloud architects, and leadership.

Skills

RPG III

RPG IV

RPGLE

COBOL

SQL

DDS

DSPFs

Db2 for i

IBM i architecture

Reverse engineering

API enablement

UI modernization

Cloud migration

Stakeholder management

Job description

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.We are looking for a seasoned AS/400 Architect to define the technical vision and architectural direction for the AI Tools team, shaping EPAM's in-house solution for IBM iSeries (AS/400) application reverse engineering, analysis, and modernization at an enterprise scale.ResponsibilitiesDefine the architectural vision, standards, and technical roadmap for the IBM iSeries (AS/400) reverse-engineering and modernization solutionConduct application portfolio analysis to identify redundant, unreachable, duplicated, obsolete, tightly coupled, and highly complex code, and assess application quality, maintainability, performance, technical debt, modernization readiness, and potential risksAnalyze legacy IBM AS/400 applications, identify dependencies and business rules, trace data flows, document application behavior, and assess undocumented or complex codebasesDrive IBM AS/400 modernization approaches, including code refactoring, format conversion, database modernization, API and web-service enablement, UI modernization, application decomposition, cloud integration, re-platforming, and application retirementCollaborate with the AI Tools team to define requirements, validate analysis logic, improve prompts and rules, and enhance the accuracy of AI-generated application documentation and code insightsArchitect AI capabilities for program understanding, dependency discovery, business-rule extraction, data-flow analysis, impact analysis, code summarization, test-case generation, and modernization recommendationsContribute to technical assessments, proofs of concept, solution demonstrations, effort estimation, project planning, risk identification, progress reporting, and executive-level presentationsPartner with customer IBM i SMEs, application owners, business analysts, modernization specialists, AI Tools team members, testing teams, cloud architects, and Technical Leadership across the client and EPAM organizationsEnsure that the reverse-engineering and modernization solution complies with enterprise architecture standards, customer security policies, source-code handling requirements, data-protection controls, audit requirements, and applicable regulatory obligationsRequirements13+ years of experience in enterprise midrange (iSeries or AS/400) technologies, with 5+ years focused on application analysis, reverse engineering, and modernization solutionsExpertise in RPG III, RPG IV, and RPGLE, including hands-on development, maintenance, and refactoring of large-scale legacy applicationsProficiency in free-format RPG, CL/CLLE, and COBOL, with the ability to analyze and convert fixed-format code to modern equivalentsSkills in DDS, DSPFs, and SQL, including designing, interpreting, and optimizing display files, physical/logical files, and complex queriesBackground in Db2 for i, covering database design, performance tuning, journaling, stored procedures, triggers, and DDS-to-DDL conversionUnderstanding of IBM i architecture, including libraries, objects, service programs, printer files, commitment control, and integrated file systemsKnowledge of reverse engineering techniques for legacy AS/400 applications, including dependency mapping, business-rule extraction, and data-flow tracingFamiliarity with modernization strategies such as API enablement, web-service integration, UI modernization, application decomposition, cloud migration, and re-platformingCompetency in application portfolio assessment, technical debt evaluation, code quality analysis, and modernization readiness reviewsCapability to collaborate with AI Tools teams by defining requirements, validating analysis logic, refining prompts, and improving AI-generated documentation and code insightsFlexibility to support delivery activities, including proofs of concept, effort estimation, project planning, risk identification, and executive-level presentationsShowcase of strong stakeholder management skills to engage IBM i SMEs, application owners, business analysts, cloud architects, and technical leadership across client and internal organizationsQualifications in governance and compliance, ensuring adherence to enterprise architecture standards, security policies, data-protection controls, and regulatory obligationsProficiency in English at an Upper-Intermediate level (B2) or higherWe offerOpportunity to work on technical challenges that may impact across geographiesVast opportunities for self-development: online university, knowledge sharing opportunities globally, learning opportunities through external certificationsOpportunity to share your ideas on international platformsSponsored Tech Talks & HackathonsUnlimited access to LinkedIn learning solutionsPossibility to relocate to any EPAM office for short and long-term projectsFocused individual developmentBenefit package:Health benefitsRetirement benefitsPaid time offFlexible benefitsForums to explore beyond work passion (CSR, photography, painting, sports, etc.)