Senior Technical Architect

  • United Kingdom
  • COMPUTER_AND_IT

Job description

Senior Technical Architect | Commerce Leader | UK Remote

 

We’re currently looking for a Senior Technical Architect to get involved in a major greenfield project with one of the UK's leading eCommerce organisations.

 

You will translate high-level solution designs into robust, scalable, secure low-level designs across multiple domains, whilst working closely with Solution Architects, Product Owners, UX, and engineering squads to ensure solutions meet functional and non-functional requirements, while championing architectural standards and driving best practice across the estate.

 

This is a hands-on, highly collaborative role where you’ll influence delivery through strong technical leadership: shaping designs, guiding implementation, managing technical debt, and supporting incident resolution.

 

You’ll also play a key part in mentoring other architects and engineers, leading peer reviews, advising third parties and stakeholders, and supporting wider enterprise architecture initiatives including PoCs and strategic technical direction.

 

Key Responsibilities:

 

  • Produce and maintain Low-Level Designs (LLDs) aligned to high-level solution designs, UX wireframes, and evolving business needs
  • Ensure designs meet architectural standards; support governance and Design Review processes where deviations are required
  • Create and maintain low-level application and integration diagrams in ArchiMate using enterprise tooling
  • Publish and maintain API contracts in SwaggerHub and support the Developer Portal and API governance approach
  • Drive design quality through peer review, standardisation, and consistent documentation across product areas
  • Identify, manage, and reduce technical debt; support squads with backlog refinement and prioritisation
  • Propose and lead refactoring initiatives and technical improvements across domains
  • Support incident resolution, working with squads and following appropriate escalation routes
  • Collaborate with Solution Architects in discovery, translating designs into actionable work items and helping shape NFRs
  • Evaluate emerging technologies and lead proof-of-concept work to inform future direction
  • Manage and optimise cloud and infrastructure costs within your domain, ensuring efficient, budget-aligned resource usage
  • Review third-party architectural designs for alignment with internal standards and strategic goals; advise external teams and stakeholders
  • Raise and communicate risks that could negatively impact the organisation and delivery outcomes
  • Work with Data Architects to clarify requirements and enable delivery of data artefacts
  • Mentor architects and engineers, oversee contracting architects, and support the wider Enterprise Architecture function
  • Provide strong stakeholder management, responding to queries and ensuring pragmatic, “do the right thing” decision-making
  • Assist in evaluating technical options and trade-offs to implement requirements effectively

 

Requirements:

 

  • Strong experience with AWS services, including serverless architectures
  • Strong Java and Spring Boot expertise, with the ability to engage at code level where needed
  • Experience using object-oriented design patterns to build maintainable, scalable software solutions
  • Ability to understand and read modern programming languages for investigation and technical due diligence
  • Solid experience of API contract management (e.g., Swagger/OpenAPI) and supporting API governance
  • Proven ability to operate across multiple technical domains, balancing delivery needs with architectural rigour
  • Experience influencing, mentoring, and reviewing the work of other technical professionals (including third parties/contractors)
  • Desirable: hands-on AWS AI experience (e.g., leveraging AWS AI/ML services in real-world solutions)

 

If you’re a technically strong architect who enjoys shaping low-level design, driving engineering excellence, and guiding teams through complex, cloud-first delivery, we’d love to hear from you.

 

Day-to-day

Develop and maintain software applications to meet client requirements.
Collaborate with cross-functional teams to design scalable solutions.
Troubleshoot and resolve technical issues promptly.
Participate in code reviews to ensure code quality and standards.
Document software functionality and update technical manuals.
Monitor system performance and implement improvements.
Stay updated with emerging technologies and integrate them as needed.
Provide technical support and training to end-users.

Lauren Le Boutillier
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