Integration Specialist in England

Contract API Gateway Specialist (Software AG / webMethods / Defence)

£600 per day (Outside IR35)

Part-time 12‑month contract (approx. 110 days’ effort )

Full Remote | Client based in Portsmouth

About the Role

An excellent long-term contract opportunity for an experienced API Gateway Specialist to support a major Defence-sector programme. The successful contractor will work remotely, contributing deep technical expertise around Software AG and webMethods technologies, cloud integrations, and secure API design.

Candidates with a strong background in API Gateway technologies (SAG, IBM API Gateway, webMethods) from any sector will be considered. Existing SC Clearance is preferred , though the client may consider sponsoring clearance for an exceptional specialist.

Key Responsibilities

• Deploy, configure, and maintain Software AG API Gateway solutions
• Support cloud implementations using API Gateways
• Install, configure, and maintain a range of webMethods products
• Create and maintain logical and deployment architecture views within SAG
• Design, build, and implement APIs following best‑practice coding standards
• Ensure secure API connectivity across networks with varying security classifications
• Work with ORDS endpoints and proxying mechanisms via API Gateways
• Leverage Terracotta for distributed caching solutions
• Integrate SOC/SIEM tooling with webMethods platforms
• Support secure API connectivity to backend databases
• Work within Defence‑grade accreditation and compliance frameworks

Required Expertise

• Proven expert-level capability in Software AG API Gateways
• Strong experience delivering API solutions in cloud-hosted environments
• Deep technical knowledge of webMethods , including installation and maintenance
• Strong understanding of secure API design, connectivity, and network segmentation
• Familiarity with Defence, Government or highly secure sector environments (desirable but not essential)