Integration Architect

Reference number:
4255
Created on:
November 30, 2025
TalentQuanta
Luxemburg
€750 Day Rate
Freelance or B2B

Job description

We’re looking for a highly experienced Integration Architect to design scalable, performant, and cloud-ready integration solutions across enterprise systems. You’ll define architecture, modernize legacy applications, lead integration projects, and ensure seamless interoperability across platforms and services.

What You’ll Do

  • Design software architecture, integration strategies, and cross-platform connectivity
  • Build high-performance, scalable, maintainable solutions and integration flows
  • Lead modernization efforts (e.g., Java upgrades, debt reduction)
  • Define mid- and long-term roadmaps, estimations, and technical direction
  • Architect standardized REST APIs (OpenAPI) and enable interoperability
  • Implement key integration patterns (publish–subscribe, event-driven, request–reply)
  • Design fault-tolerant flows with retries, circuit breakers, and resilience mechanisms
  • Work with RDF, SKOS, OWL, triple stores, and graph technologies
  • Integrate cloud services (AWS/Azure/GCP) and deliver SaaS/CaaS hosting
  • Ensure compliance, licensing alignment, and clear technical documentation

What You Bring

  • 15+ years in IT; 10+ years in enterprise applications or integration development
  • Strong experience designing cross-platform integrations and using middleware tools
  • Proven expertise in scalable architecture, legacy modernization, and integration patterns
  • Hands-on experience in cloud platforms (AWS, Azure, GCP), Docker, Kubernetes, Tomcat
  • Proficiency with REST APIs, JSON/XML, API versioning, and GraphQL
  • Experience with Kafka, schema management, monitoring (ELK, Splunk, OpenTelemetry)
  • CI/CD automation, Git/GitLab, secrets management (Vault), credential management
  • Work with RDF/knowledge graphs and JSON-LD for semantic data models
  • Strong Agile/Scrum background; extensive use of Jira/Confluence
  • Excellent documentation skills and roadmap planning experience
  • Fluent English; French is a plus

Job overview

Job location:
Luxembourg
Job type:
On site
Contract type:
Freelance or B2B
Work hours:
Full-time
Contract length:
Month
6 months
Studies:
Bachelor’s Degree
Experience level:
Senior
Offered salary:
€750 Day Rate

Apply now to:

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