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Senior Solutions Architect

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Holt Executive Ltd
Full Time position
Listed on 2026-10-12
Job specializations:
  • Software Development
    Full Stack Developer, Software Architect, Cloud Engineer - Software, Backend Developer
Salary/Wage Range or Industry Benchmark: 100000 - 140000 GBP Yearly GBP 100000.00 140000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

A global technology organisation is seeking an experienced Senior Solutions Architect to help shape and develop a suite of data-driven software platforms that support commercial operations, customer engagement and business growth.

This is a hands-on technical leadership role combining software architecture, full-stack development, cloud infrastructure and emerging AI technologies. You’ll help define the architecture of web applications, automated document generation systems and cloud-based platforms, making key technical decisions from initial design through to production deployment.

Working within a small, collaborative team, you’ll share technical ownership of the platform, mentor engineers and help evolve successful early-stage solutions into scalable, enterprise-grade applications.

The role offers the opportunity to influence technology strategy while remaining closely involved in coding, prototyping and delivering practical solutions to real business challenges.

Key Responsibilities
  • Lead the architecture and development of scalable, multi-component software applications across the full stack.
  • Design and implement backend services, APIs, frontend interfaces and integrations between enterprise systems.
  • Develop production applications using Python, Type Script and modern web technologies.
  • Architect cloud-based solutions using AWS services, including Lambda, ECS/Fargate, S3 and API Gateway.
  • Design and manage infrastructure using Terraform, Docker and modern CI/CD pipelines.
  • Evaluate new technologies through proof-of-concepts and make informed architectural recommendations.
  • Explore and implement AI-powered capabilities, including LLM integrations, agent frameworks and tool-augmented workflows.
  • Optimise application performance, reliability, security and maintainability across high-volume data environments.
  • Work closely with product, analytics, data engineering and commercial stakeholders to translate business needs into technical solutions.
  • Define integration patterns, authentication and authorisation approaches, API contracts and scalable system architectures.
  • Support the evolution of early-stage applications into robust platforms suitable for enterprise deployment.
  • Provide technical guidance, mentor engineers and promote software engineering best practices.
Essential Requirements
  • Extensive Python development experience, building and maintaining production applications.
  • Strong AWS experience, particularly with Lambda, ECS/Fargate, S3 and API Gateway.
  • Proven experience deploying and managing containerised applications using Docker.
  • Strong SQL skills and experience working with data warehouses.
  • Hands-on experience with Infrastructure as Code, particularly Terraform.
  • Proficiency with Git, CI/CD pipelines and modern software delivery practices.
  • Demonstrable experience designing and delivering multi-component software systems, from architecture through to production.
  • Experience making architectural decisions and balancing technical trade-offs in a fast-paced environment.
  • Strong problem-solving skills and the ability to communicate technical decisions to both technical and non-technical stakeholders.
Desirable Experience
  • Modern web development using Next.js, React and Type Script.
  • Google Cloud Platform services, particularly Big Query and Cloud Run.
  • Enterprise authentication and authorisation, including SSO, SAML, OAuth and role-based access control.
  • Designing and optimising applications that process large datasets at scale.
  • Experience with B2B SaaS platforms, CRM systems or sales enablement tools.
  • Scaling minimum viable products into enterprise-grade applications.
  • Agile development methodologies and tools such as Jira.
  • Full-stack development spanning cloud infrastructure, backend services and frontend interfaces.
  • Mentorin…
Position Requirements
10+ Years work experience
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