Senior APIs and Integration Engineer

EPAM Systems; Polska; Hybrid; PLN 180,000 - 260,000; Full time

Benefits offered by this job

Hybrid by design mode

Remote within Poland

Relocation opportunities

English classes

Employee Stock Purchase Plan

Job summary

EPAM Systems seeks a Senior APIs and Integration Engineer to manage complex supply chain and partner messaging networks. You will configure integration interfaces to major 3PLs, manage EDI-style trading-partner profiles, and validate ANSI X12/EDIFACT mappings prior to deployment.

You will also develop REST/SOAP APIs, SAP IDoc/ALE integration for despatch advices and warehouse orders, and lead rigorous unit testing with SIT/UAT defect triage across global warehousing and transport networks.

Qualifications

• 5+ years hands-on development and administration with webMethods Trading Networks and Integration Server.
• Strong knowledge of EDIFACT and ANSI X12 envelope structures and mappings.
• Experience integrating 3PLs, WMS, and TMS systems; SAP IDoc/ALE is a plus.

Responsibilities

• Design and configure enterprise integration flows to major 3PLs (DB Schenker, DHL, Mainfreight, Penske, MNX, Geodis).
• Manage EDI-trading-partner profiles, envelope handling, and processing rules.
• Validate ANSI X12/EDIFACT mappings and perform end-to-end testing for go-live.
• Develop REST/SOAP APIs and SAP IDoc/ALE integration for despatch advices and warehouse orders.
• Provide SIT/UAT defect resolution support and migration rehearsal participation.

Skills

Supply chain integration

EDI mapping

Unit testing

Defect triage

SIT/UAT support

API development (REST/SOAP)

Integration design

CI/CD familiarity

Education

webMethods certification

Tools

webMethods Trading Networks

Integration Server

B2B processing rules

EDI tooling / AI-assisted mapping

APIs (REST/SOAP)

SAP IDoc/ALE

CI/CD pipelines

Job description

We are seeking a Senior APIs and Integration Engineer to manage complex supply chain and partner messaging networks, configuring integration interfaces to major 3PL logistics partners and executing EDI-style trading-partner connections, unit testing, and defect triage across global warehousing and transport networks.ResponsibilitiesDesign, build, and configure enterprise integration flows connecting core supply chain hubs to major 3PL logistics partners (DB Schenker, DHL, Mainfreight, Penske, MNX Global Logistics, Geodis)Manage and configure EDI-style trading-partner profiles, document types, processing rules, and envelope handling via webMethods Trading NetworksUtilize AI-powered EDI translation auditing tools and automated syntax validation scripts to verify ANSI X12 and EDIFACT compliance prior to deploymentDevelop complementary REST/SOAP APIs and configure SAP IDoc/ALE integration flows (despatch advices, advance shipping notices, warehouse orders) supporting logistics operationsExecute rigorous unit testing, validate end-to-end B2B document flows, and actively support SIT/UAT defect resolutionParticipate in migration rehearsals, validate trading-partner connectivity, and provide dedicated operational support during go-live executionRequirements5+ years of hands-on development and administration experience using webMethods Trading Networks, Integration Server, and B2B processing rulesKnowledge of industry-standard EDI formats, specifically EDIFACT and ANSI X12 envelope structures and message mappingsBackground in integrating third-party logistics providers, warehouse management systems (WMS), and transport management systems (TMS)Familiarity with SAP IDoc/ALE configurations for supply chain/logistics modules (MM, SD, EWM) and REST/SOAP API developmentExperience leveraging AI-assisted mapping tools, automated B2B testing scripts, and intelligent integration monitoring platformsEnglish proficiency at B2 level or higherNice to haveExperience working on M&A IT carve-outs, corporate divestitures, or supply-chain separation programsFamiliarity with enterprise integration inventories (Ardoq) and automated CI/CD deployment pipelinesCertifications in webMethods or enterprise B2B integration architecturesWe offerWe gather like-minded people:Top tech minds driving innovation in AI, cloud and digital platform modernizationSupportive team and agile, startup-like cultureHybrid by design mode and opportunity to work remotely within PolandChance to work abroad for up to 60 days annuallyBusiness-driven relocation opportunitiesWe provide growth opportunities:Career development programsThought leadership, mentoring, soft skills and well-being programsCertification (Anthropic, Gemini, GCP, Azure, AWS)English classesWe cover it all:Stable payParticipation in the Employee Stock Purchase Plan with a 15% discountBenefits package (health insurance, multisport, shopping vouchers)Referral bonuses up to $2,000Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee and moreCorporate, social and well-being eventsPlease, note:Benefits listed above are available to employees onlyWe are open for working with Contractors. Terms of B2B cooperation agreements are agreed individuallyWe will reach out to selected candidates exclusivelyEPAM is global leader in AI transformation engineering and integrated consulting, serving Forbes Global 2000 companies and ambitious startups. With over thirty years of expertise in custom software, product and platform engineering, we empower our clients to become AI-Native enterprises, driving measurable value from innovation and digital investments.