Application Architect

Application Architect

Duration: 12 Months

Location: Croydon/Hybrid- 1 day PW on-site

Due to the urgency and sensitivity of the work, active SC Clearance is mandatory.

Responsibilities

As an Application Architect, you will:

• Design and lead delivery of scalable, high-performance application architectures

• Define and apply modern application architecture patterns, including microservices, event-driven architectures, and SOA

• Support monolith-to-microservices transformation initiatives where required

• Architect cloud-native applications across AWS, Azure, and/or GCP

• Design API strategies, integration patterns, and messaging-based solutions

• Ensure strong alignment with application life cycle management, CI/CD pipelines, and DevOps practices

• Work closely with platform and engineering teams to align application design with infrastructure-as-code and platform services

• Embed application security principles, including authentication, authorisation, secure APIs, and data protection

• Provide architectural guidance, assurance, and governance across delivery phases

• Proven experience as an Application Architect or Senior Software Engineer operating at architectural level

• Strong expertise in designing and delivering scalable, high-performance applications

• Solid understanding of application architecture patterns (microservices, event-driven, SOA)

• Experience designing cloud-native applications on AWS, Azure, and/or GCP

• Strong knowledge of API design, integration patterns, and messaging technologies

• Experience with CI/CD pipelines, DevOps practices, and application life cycle management

• Familiarity with infrastructure-as-code and platform services supporting application deployment

• Strong grasp of application security principles (authentication, authorisation, secure APIs, data protection)

• Active SC Clearance

• Experience designing and deploying containerised applications using Docker and Kubernetes

• Hands-on exposure to DevOps tooling for build, test, and release automation

• Experience working in regulated, enterprise, or large-scale environments

• Architecture or cloud certifications (eg TOGAF, AWS/Azure/GCP Solutions Architect)

• Familiarity with application monitoring, logging, and observability tools to support reliability and performance

All profiles will be reviewed against the required skills and experience. Due to the high number of applications we will only be able to respond to successful applicants in the first instance. We thank you for your interest and the time taken to apply!