Senior Solutions Architect

Company: Holt Executive
Apply for the Senior Solutions Architect
Location: London
Job Description:

Overview

As Senior Solutions Architect, you will lead the design and delivery of data-driven software platforms that support commercial operations and growth. You’ll bridge architecture, full-stack development, cloud infrastructure, and AI initiatives within a small, collaborative team. You’ll shape production-ready solutions from design through deployment and mentor engineers to scale early-stage ideas into enterprise-grade applications. This role combines hands-on coding with strategic influence on technology direction at a global company.

Responsibilities

  • Lead architecture and development of scalable full-stack applications
  • Design and implement backend services, APIs, frontend interfaces, and system integrations
  • Develop production-grade applications using Python, TypeScript and modern web tech
  • Architect cloud-based solutions on AWS (Lambda, ECS/Fargate, S3, API Gateway)
  • Manage infrastructure with Terraform, Docker, and CI/CD pipelines
  • Evaluate new technologies via PoCs and recommend architecture decisions
  • Explore AI capabilities including LLM integrations and tool-augmented workflows
  • Optimize performance, reliability, security, and maintainability in high-volume data environments
  • Collaborate with product, analytics, data engineering, and commercial stakeholders to translate business needs into technical solutions
  • Define integration patterns, auth/auth, API contracts, and scalable system architectures
  • Support evolution of early-stage apps into enterprise-ready platforms
  • Provide technical guidance and promote software engineering best practices

Key requirements

  • Extensive Python development experience in production apps
  • Strong AWS experience (Lambda, ECS/Fargate, S3, API Gateway)
  • Experience deploying and managing Docker-based apps
  • Strong SQL skills and experience with data warehouses
  • Hands-on Infrastructure as Code experience with Terraform
  • Proficiency with Git, CI/CD pipelines and modern software delivery practices
  • Proven track record designing multi-component software systems from architecture to production
  • Experience making architectural decisions and balancing trade-offs in fast-paced environments
  • Strong problem-solving and ability to communicate technical decisions to diverse stakeholders
  • Strong communication skills
  • Mentoring and coaching of engineers
  • Ability to balance technical and business perspectives
  • Python
  • TypeScript
  • AWS (Lambda, ECS/Fargate, S3, API Gateway)

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Posted: October 11th, 2026