Remote Senior Integration Architect for Public Sector

TXP

Greater London

Remote

GBP 77,000 - 129,000

Part time

2 days ago

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Job summary

TXP seeks a Senior Integration Architect for a Public Sector Transformation Programme. Location: Remote with occasional travel to client sites, for a 6-month contract with extension potential. Rate up to £700 per day (Inside IR35).

BPSS clearance is required. You will design and deliver integration solutions within a large-scale migration programme, shaping strategy, APIs, and modern cloud-based architecture in collaboration with engineering, product teams and SMEs to ensure scalable,

Qualifications

Extensive experience in enterprise integration architecture within large-scale transformation or migration programmes.
Strong expertise in API design, REST services, and OpenAPI specs.
Experience delivering service-based and distributed architectures.
Working knowledge of enterprise integration platforms and related tooling.

Responsibilities

Design and deliver integration solutions for migration from legacy platforms to modern integration platforms.
Define API specifications and integration patterns including transforming legacy SOAP services to RESTful APIs.
Apply API-first and domain-driven integration approaches for reuse and maintainability.
Contribute to end-to-end solution design aligned with enterprise architecture principles.
Promote CI/CD, automated testing, and shift-left delivery practices.
Support risk, dependency, and migration planning activities.
Collaborate with engineering, product, and stakeholders to ensure delivery.
Contribute to architecture governance and design assurance.