08/30/2026 updated
100 % available
Senior Java Developer | Full-Stack Engineering & Integrations | SAP Commerce (Hybris)
Riga, Latvia
Only remote
Bachelor's degree, Computer ScienceAbout me
Senior Java Developer with 9 years of experience building backend systems and integrations for international e-commerce platforms, specialising in SAP Commerce (Hybris). Experienced working with secure payment providers, leading complex third-party integrations, and owning full lifecycle development
Java (Programming Language)JavaScriptE-CommerceJava Message Service (JMS)Systems IntegrationReact.jsVue.jsFull Stack DevelopmentSAP HybrisFront End Software Development
SAP Commerce (Hybris) Development
Expertise in SAP Commerce Cloud development with over 9 years of experience building backend systems and integrations for international enterprise e-commerce platforms, including headless migrations, third-party integrations, and full lifecycle development.
Java & Spring Backend Engineering
Strong proficiency in Java and Spring for building robust backend systems, including B2B platforms, SMS gateways, stock management layers, and performance optimization through Java stack trace analysis.
Payment Integration & Troubleshooting
Hands-on experience diagnosing and resolving live payment issues with providers such as Apple Pay, Worldpay, and Klarna, as well as implementing Apple Pay Express Checkout to improve customer conversion.
Third-Party Integrations
Leadership in backend delivery of complex third-party integrations including Fredhopper, GrapheneHC, Dynamic Yield, Amplience, and Feefo as part of cross-functional teams.
Frontend Technologies
Proficiency in JavaScript, React, Vue.js for frontend implementation, including redesigning Cart, Product, and Search pages during headless platform migrations.
Cloud & DevOps
Experience with AWS, Git, Kafka, and production deployment sequences including go-live checks and performance monitoring using Dynatrace.
SQL & Data Management
Skilled in SQL for data management and building stock state management layers with above-industry-average stock accuracy enabling same-day delivery options.
AI-Assisted Engineering
Utilization of AI-assisted tools such as Claude to accelerate development and troubleshooting, authoring reusable agent skills and managing multiple concurrent workstreams.
Penetration Testing
Certified Penetration Testing Engineer (Mile2 CPTE) with practical experience conducting penetration testing and delivering actionable remediation recommendations.
CMS & Backoffice Customisation
Experience performing backoffice customisations and CMS platform migrations for Nordic and Baltic e-commerce clients.
Experience
Professional experience5 - 10 years
Freelancer since2021
Languages
EnglishFluentRussianGoodLatvianNative speaker
Project history
Contracting remotely for UK-based clients including lkbennett.com and thewhitecompany.com.
- Implemented Apple Pay Express Checkout.
- Diagnosed and resolved live payment issues in Apple Pay, Worldpay and Klarna.
- Led backend delivery of 12 third-party integrations including Fredhopper, GrapheneHC, Dynamic Yield, Amplience and Feefo.
- Participated in headless platform migration redesigning Cart, Product and Search pages.
- Improved Lighthouse performance score from low 10s to above 90.
- Conducted code reviews and mentored junior developers.
- Diagnosed and fixed critical production issues through log and Groovy context analysis.
- Used AI-assisted tools (Claude) to accelerate development and troubleshooting.
Delivering for Nordic and Baltic clients including Jernia.no, Telia.lt and Vitusapotek.no.
- Delivered B2B, Search page, SMS gateway, email marketing, onboarding, and new cart page modules.
- Built a stock state management layer enabling same-day delivery options.
- Performed production deployment sequences and go live checks.
- Improved site performance through Java stack trace analysis.
- Developed a dynamic multi-flow single sign-on page for private and business customers.
- Performed backoffice customisations and CMS platform migration.
- Developed software for private and public sector clients in Latvia using Java and Oracle UCM.
- Conducted penetration testing and delivered actionable remediation recommendations.