29.03.2026 aktualisiert

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Premiumkunde
100 % verfügbar

Senior Full-Stack Engineer | EDI/B2B Integration Specialist

Hamburg, Deutschland
Nur Remote
BSc (Hons) Computing & Information Systems
Hamburg, Deutschland
Nur Remote
BSc (Hons) Computing & Information Systems

Profilanlagen

Abraham_Brink_CV_Freelancermap (1) (1).docx

Über mich

15+ years in software engineering & logistics technology. I deliver EDI/B2B integrations (EDIFACT, X12, XSLT), full-stack applications (C#, ASP.NET, Node.js, React), and AI/ML automation. Available part-time or project-based, remote from Hamburg.

Skills

Asp.NetKünstliche IntelligenzAnalyse-ToolsAnsi X12Business To BusinessBusiness IntelligenceC#UbuntuDatenzuordnungDevOpsEdifactPostgreSQLSachgüterproduktionMicrosoft Sql-ServerMQTTNode.jsPostgisRaspberry PiNext.jsEinzelhandelSAP NetWeaver BIVisual Studio OnlineWebSocketExtensible Markup LanguageXpathXLSTDatenspeichertechnologienReact.jsLarge Language ModelsMulti-Agent SystemsLuft- und RaumfahrtindustrieInternet Of ThingsSAP BusinessObjectsGitFull Stack EntwicklungLogistikprozesseWeb TechnologiesRestful ApisWebhooksGPTAdministration von DatenbankenDocker
EDI/B2B Integration
Expertise in designing and delivering EDIFACT, X12, and XML-based interfaces for global enterprise clients across logistics, manufacturing, aerospace, and retail sectors

Full-Stack Development
Proficiency in building complete applications using C#/ASP.NET, Node.js, React/Next.js, SQL Server with hands-on experience in modern web technologies

AI/ML Development
Experience with multi-agent LLM pipelines, RAG systems, and IoT signal-processing networks including orchestration with Claude, GPT, DeepSeek, and Qwen

XSLT Transformations
Advanced skills in writing complex XSLT 2.0 transformations and XPath 2.0 for data mapping and integration solutions

Database Management
Experience with SQL Server, PostgreSQL, PostGIS, TimescaleDB, and ChromaDB for various data storage and retrieval requirements

DevOps & Tools
Proficiency in Git, Docker, VS Code, Linux (Ubuntu), Raspberry Pi/IoT, and RTL-SDR for development and deployment

Protocol Implementation
Knowledge of AS2, sFTP, OFTP, X.400, REST, WebSockets, Webhooks, and MQTT for various communication requirements

Business Intelligence
Experience with SAP BW, SAP Business Objects, and custom dashboards for reporting and analytics solutions

Sprachen

DeutschGrundkenntnisseEnglischMuttersprache

Projekthistorie

Multi-Agent Software Development Pipeline Developer

Personal/Open Source Project
Architected a 14-agent pipeline orchestrating multiple LLMs for automated code generation, with model-specific task routing and structured output parsing. Implemented workflow management with PocketBase and ChromaDB for semantic retrieval.

Civilian Drone Detection Network Developer

Personal/Humanitarian Project
Designing a distributed IoT sensor network for civilian early-warning using SDR radio receivers and GPS-synchronized edge nodes. Implemented two-tier architecture with MQTT-based regional inference hubs.

EDI Mapping Automation Agent Developer

Internal Tooling
Built a multi-agent system to semi-automate EDI transformation development, using semantic search over historical XSLT mappings to accelerate new interface builds.

Global EDI Transformation Development & Technical Leadership

Top-5 Global 3PL Provider
Design and deliver complex XSLT 2.0 transformations for customer-facing EDI and API integrations across EDIFACT, ANSI X12, and proprietary XML schemas. Built custom Java/Saxon extension libraries and served as technical lead for complex multi-stakeholder projects.

Regional BI Reporting Portfolio Developer

Top-5 Global 3PL Provider
Built and standardized the Middle East & Africa region customer-facing BI reporting portfolio. Trained regional teams on SAP Business Objects and created costing reports for major German automotive OEM.

Automated Transport Order & Booking Confirmation Interface Developer

Global Heavy Equipment Manufacturer
Designed and built inbound transport order and outbound booking confirmation interfaces, enabling direct integration with logistics provider TMS. Managed end-to-end delivery including requirements gathering, specification, development, and UAT.

Full Order-to-Invoice EDI Suite Developer

Aerospace MRO Provider
Designed a complete EDI solution covering purchase orders, shipment milestones, and freight invoicing with three separate interface pairs handling the full order lifecycle. Coordinated with client ERP team across multiple countries.

Shipment Milestone Tracking Interface Developer

Major Consumer Electronics Brand
Developed a real-time shipment milestone interface providing automated tracking updates from logistics provider operational systems. Acted as technical consultant on integration architecture and message handling.

Purchase Order & Shipment Milestone Interfaces Developer

Large Aluminium Producer
Built inbound purchase order and outbound shipment milestone interfaces, automating a previously manual data-exchange process between the client and logistics provider.

Encrypted Freight Invoice Interface Developer

Premium Retail Conglomerate
Developed an encrypted freight invoice interface with PGP-secured file transmission, meeting strict data security requirements for financial documents.

Enterprise Software Developer

Software Consultancy
Full-cycle software development for enterprise clients in automotive, manufacturing, and FMCG sectors. Delivered solutions covering analysis, design, implementation, testing, and post-go-live support.

Rich Internet Applications & Enterprise Plug-ins Developer

IT Solutions Provider
Developed custom plug-ins for Adobe Lifecycle Enterprise document management systems and rich internet applications for major financial services and healthcare clients.

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