Andrii Andriichuk

SAP Commerce platform and Spring Boot microservices. Drove agentic AI enablement, engineering quality standards and delivery process. Four payment integrations (Adyen, Braintree, Worldpay, Scalapay) and Temporal fulfillment workflows; ~22% faster monorepo CI via change-based testing; custom agent skills and guardrails adopted by 6 teams; headless coding agents for test coverage; internal IntelliJ plugin used by 20+ devs; shared integration test data saving ~6 min per pipeline run.

Grocery e-shop OMS and fulfilment backend: feature and integration development. Raised code quality standards through code review and refactoring; resolved tricky concurrency issues reliably (e.g. transactions plus unique index).

Built B2B data import based on Spring Integration (Hybris hot folders) on SAP Commerce Cloud v2 (Azure) for a B2B retailer; owned SAP/vendor support communication.

Designed and developed flexiblesearchbuilder, an open-source Java library for SAP Commerce FlexibleSearch query building (fluent builder-pattern DSL). Java, FlexibleSearch, SQL, JUnit.

Three enterprise SAP Commerce clients in Sweden and Finland: Electrolux, Indiska, DNA Oyj. Led a server-side team of 3, owning requirements engineering and solution proposals. Solved concurrency and data-integrity issues in DNA's telco identity flow (MSISDN integration and storage under production load). Delivered platform migrations and cloud moves with SSO, web security, observability and CI/CD. Mentored 3 engineers through SAP Commerce certification.

Backend development and support for Canadian Tire (SAP Hybris Commerce 4.8, OCC, hot folders, Adobe CQ5/AEM integration), Kyiv and Lviv. Onboarded and mentored new support team members.

Built a vehicle-monitoring backend (Java server side for web front-end and mobile app), including C* route clustering and search algorithms.

Developed a casual game promo in C++.