Architect - Java, Spring, Auth, Identity/Access Management

IASS Squad Architect
Clearance Required: SC Eligible
Duration: 6 months
Location: 2 days onsite per week
IR35 Status: Mandated PAYE only

Job Description:

Digital is focused on helping HMRC engage with citizens. Join a team that imagines a future where every person in the UK can effortlessly access world-class public services: digital by design, human at heart.
Our mission is to harness the power of technology to meet real human needs, removing barriers and creating meaningful, life-enhancing experiences for all. By placing people at the centre of everything we do, we will reimagine public service as a force for dignity, opportunity, and trust in a digital age.

Digital Platforms Run and Change is focused on running and evolving a diverse range of platforms - some which host and enable HMRC's customer facing services, and others that also create and manage their own end user digital customer journeys

The Architect will design and support the delivery of technical solutions that meet HMRC's business and operational needs. The role focuses on shaping architecture direction, creating clear design documents, guiding delivery teams, and ensuring solutions align with HMRC standards, are secure, scalable, and maintainable. The architect will work closely with business stakeholders, technical teams, and delivery partners to ensure designs can be delivered effectively and safely.

Key Responsibilities
Produce architecture designs that meet HMRC's technical and business requirements
Work with delivery teams, product owners, engineers, and testers to shape the technical approach
Translate requirements into clear and practical design decisions
Produce architecture documents, diagrams, and supporting notes
Ensure solutions align with HMRC standards, security requirements, and governance
Support teams through build, testing, deployment, and change processes
Take part in design reviews and provide technical assurance
Communicate design decisions clearly to technical and non-technical stakeholders
Identify risks, issues, and design constraints early and support their resolution

Deliverables
Architecture design documents and diagrams
Technical input to planning, estimating, and risk management
Design review contributions and assurance outputs
Guidance to delivery teams during build and deployment
Updated design packs aligned with HMRC governance checkpoints

Dependencies/Assumptions
Access to project teams, HMRC architecture standards, and technical documentation
Engagement with security, data, and platform teams as required

Required Skills and Experience

General Skills

• Strong background in technology architecture
• Understanding of modern platforms, integration approaches, and engineering practices
• Ability to turn requirements into clear architecture designs
• Experience producing structured documentation and architecture models
• Confidence working with delivery teams and stakeholders
• Clear communication skills
• Understanding of secure design and architectural governance

Core Technical Skills

• Java development
• Spring Framework
• OAuth/authentication protocols
• Server Side engineering/Back End development

Platform & Infrastructure Skills

• Docker (containerisation)
• Kubernetes (container orchestration)

Domain/Architecture Knowledge

• Understanding of IASS architecture
• Experience working within identity/access or similar secure service environments (implied through OAuth & IASS)

Additional/Desirable Attributes

• Ability to work on scalable, distributed systems (implied from Kubernetes & Server Side experience)