07/14/2026 updated
100 % available
Integration Engineer & WMS Technical Architect
Małszyce, Poland
Worldwide
B.Sc. in Computer ScienceAbout me
Ready to tackle any challenge at 130% ambition. I connect any system - ERP, WMS, TMS, courier integrations, master data, Amazon Vendor Central - end-to-end. Not just development: I own delivery from kick-off through hypercare, turning complex integrations into reliable, running operations.
Java (Programming Language)Application Integration ArchitectureClient Server ModelsData ArchitectureData IntegrationExtract Transform Load (ETL)Digital IntegrationEnterprise Architecture FrameworkGitHubIntegrated DesignPython (Programming Language)Supply Chain ManagementSolution ArchitectureSQL DatabasesSystems Integrator
Integration & EDI
Expertise in Lobster Data Platform (Lobster_data), B2B APIs, and Webhooks. Proficiency in protocols such as AS2, SFTP, and HTTPS, as well as data formats including EDIFACT, JSON, and XML. Proven track record of architecting critical B2B integrations for enterprise clients.
WMS Architecture & Customization
Deep knowledge of WMS architecture, customization, and end-to-end process design, particularly with Manhattan Scale WMS. Experience in deploying non-standard add-ons and writing complex SQL stored procedures to optimize system performance.
Programming & Scripting
Strong programming skills across multiple languages including SQL (T-SQL/PostgreSQL), JavaScript, Python, C/C++, Java, ZPL (Zebra Programming Language), and SSRS Reporting. Applied in developing scalable ERP systems and custom integration logic.
ERP Implementation
Hands-on experience coordinating the implementation, testing, and configuration of ERP systems such as Comarch ERP XL and Comarch WMS. Skilled in designing business process architecture and creating comprehensive user documentation.
Secure Data Protocols
Management and troubleshooting of secure enterprise data transmissions utilizing AS2 (cryptographic receipts), SFTP (master data handling), and standard HTTPS REST APIs.
Crisis & Incident Management
Provision of critical WMS, platform, and IT infrastructure support across multi-country international clusters. Successfully resolved critical failures including country-wide Azure VPN malfunctions, restoring business continuity with zero prolonged downtime.
B2B Vendor & Client Negotiations
Acting as primary technical representative during client meetings, aligning on system architecture, EDI data exchange formats, and SLA operational structures. Experience as technical liaison during negotiations with external integration partners.
RESTful API Development
Engineering of fully modular, scalable ERP systems integrating external platforms and building RESTful client APIs utilizing JSON, as well as SMS/email operator communication.
Infrastructure Management
Execution of high-stakes, out-of-hours infrastructure overhauls including night-shift SD-WAN device exchanges and hypercare management.
Expertise in Lobster Data Platform (Lobster_data), B2B APIs, and Webhooks. Proficiency in protocols such as AS2, SFTP, and HTTPS, as well as data formats including EDIFACT, JSON, and XML. Proven track record of architecting critical B2B integrations for enterprise clients.
WMS Architecture & Customization
Deep knowledge of WMS architecture, customization, and end-to-end process design, particularly with Manhattan Scale WMS. Experience in deploying non-standard add-ons and writing complex SQL stored procedures to optimize system performance.
Programming & Scripting
Strong programming skills across multiple languages including SQL (T-SQL/PostgreSQL), JavaScript, Python, C/C++, Java, ZPL (Zebra Programming Language), and SSRS Reporting. Applied in developing scalable ERP systems and custom integration logic.
ERP Implementation
Hands-on experience coordinating the implementation, testing, and configuration of ERP systems such as Comarch ERP XL and Comarch WMS. Skilled in designing business process architecture and creating comprehensive user documentation.
Secure Data Protocols
Management and troubleshooting of secure enterprise data transmissions utilizing AS2 (cryptographic receipts), SFTP (master data handling), and standard HTTPS REST APIs.
Crisis & Incident Management
Provision of critical WMS, platform, and IT infrastructure support across multi-country international clusters. Successfully resolved critical failures including country-wide Azure VPN malfunctions, restoring business continuity with zero prolonged downtime.
B2B Vendor & Client Negotiations
Acting as primary technical representative during client meetings, aligning on system architecture, EDI data exchange formats, and SLA operational structures. Experience as technical liaison during negotiations with external integration partners.
RESTful API Development
Engineering of fully modular, scalable ERP systems integrating external platforms and building RESTful client APIs utilizing JSON, as well as SMS/email operator communication.
Infrastructure Management
Execution of high-stakes, out-of-hours infrastructure overhauls including night-shift SD-WAN device exchanges and hypercare management.
Experience
Professional experience0 - 5 years
Freelancer since2026
Languages
EnglishNative speakerFrenchBasic knowledgePolishNative speaker
Project history
Lead technical architect for strategic enterprise client implementations, managing the full project lifecycle from technical kick-off to go-live and post-launch hypercare. Serving as regional go-to expert for Lobster Data Platform, architecting end-to-end B2B/EDI integrations (e.g., Amazon, Epoch). Managing secure data transmissions via AS2, SFTP, and HTTPS REST APIs. Configuring Manhattan Scale WMS with custom SQL stored procedures. Providing regional cluster IT support and crisis management across a multi-country international cluster.
Coordinated the implementation, testing, and configuration of Comarch ERP XL and Comarch WMS systems. Designed business process architecture and developed comprehensive user documentation. Acted as primary technical liaison during negotiations and strategy meetings with external integration partners.
Engineered a fully modular, scalable ERP system from the ground up, integrating external platforms, building RESTful client APIs utilizing JSON, and SMS/email operator communication. Awarded 1st Place in the Business Potential Category at the UMK Team Programming Competition (2025) and received an Honorable Mention at the Interdepartmental Team Project Competition UMK (2025).