About the Role
Lead engineering on a high-volume online marketplace undergoing a major technology transformation, including migration to AWS and a version 2 build. Set technical direction for a shift to a service-based architecture on AWS using TypeScript, JavaScript, and Python, while ensuring continuous delivery. This role requires a hands-on individual with broad expertise in cloud, architecture, data, auth, front-end, and APIs, who has prior experience building service-based platforms in AWS. The environment is demanding and fast-paced, requiring quick productivity.
Responsibilities
- Set technical direction for the shift to a service-based architecture on AWS.
- Keep delivery moving during the technology transformation.
- Set and hold engineering standards.
- Communicate technical decisions with authority.
- Lead delivery in a fast-moving, complex environment.
Requirements
- Principal-level engineering breadth across cloud, architecture, data, auth, front-end, and APIs.
- Track record of building service-based platforms in AWS.
- Experience with infrastructure as code (Terraform or CDK).
- Proficiency in writing TypeScript, JavaScript, and Python.
- Ability to read and work with PHP (Laravel).
- Comfortable working in English, written and spoken.
- Retail or e-commerce background (nice to have).
- Experience leading through a major re-architecture or cloud migration (nice to have).
- Experience with GenAI or agentic workflows in engineering practice (nice to have).
Skills
- AWS
- TypeScript
- Python
- JavaScript
- PHP
- Laravel
- Cloud
- Architecture
- Data
- Auth
- Front-end
- APIs
- Infrastructure as Code
- Terraform
- CDK
- GenAI
- Agentic workflows
Location
- Edinburgh
- Newcastle
- Leeds
- Manchester
- London
Work Type
- Contract
- Outside IR35
- Fully flexible working (home, office, or mix)
Experience Level
- Principal-level
About the Company
- The platform is a genuinely large-scale marketplace with very few platforms handling product catalogue or transaction volume at this level.
- The roadmap includes agentic AI workflows, integrated retail media, and infrastructure work targeting cost and performance at high volume.
- The work leans research-led rather than routine due to the scale and novelty of the challenges.
- This is a fast-paced scale-up environment on a complex platform.
