Oak Tree Software
Middleware Engineer
Skills
2 months ago
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Important information
Contract type:
Freelance / Contract
Location:
Germany
Work mode:
Onsite
Published on:
25 August 2026
What they need
Position :Middleware Engineer
Location: Germany (Remote)
Work Model: Remote
Contract Duration: 12 months
Contract Type: Freelance / Contract
About the Role
We are looking for a Mid-Level Middleware Engineer with 3+ years of experience in operating and administering middleware and integration platforms. The ideal candidate will have strong experience in troubleshooting communication and data-flow issues, deployments, performance optimization, application integration, and automation within complex middleware environments.
Key Responsibilities
- Operate and administer middleware and integration platforms
- Troubleshoot communication, integration, and data-flow issues
- Manage application deployments, patching, and system updates
- Monitor and optimize middleware performance
- Support application and platform integration
- Analyze and resolve incidents and recurring technical issues
- Automate operational activities using scripting and automation tools
- Create and maintain technical and operational documentation
Required Skills
- ActiveMQ
- Kong
- WildFly
- Middleware administration
- Integration platforms
- Application deployments
- Patching & updates
- Performance tuning and optimization
- Incident analysis and troubleshooting
- Communication and data-flow troubleshooting
- Application integration
- Scripting & automation
- Technical/operational documentation
Preferred Skills
- Axway B2Bi
- Kubernetes
- OpenShift
- Ansible
- Python
- CICS
- RACF
Candidate Requirements
- 3+ years of relevant Middleware Engineering experience
- German: B2
- English: B1+
- Security clearance readiness ( SÜ1/SÜ2 ) is an advantage
- Strong troubleshooting and analytical skills
- Ability to work independently in a remote environment
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