Senior Platform Engineer
đź“Ť London, N7 (Hybrid)
💰 £75,000 – £90,000 + Equity
🏢 Deep Tech Scale-Up
We’re partnered with a well-funded deep tech scale-up with a global footprint, who are now scaling their internal platforms and looking for a Senior Platform Engineer to play a key role in building the systems that support cutting-edge research and engineering.
This is a high-impact opportunity to work in a complex, hybrid environment (cloud + physical systems) where your work directly enables breakthrough technology.
The Role
This is a hands-on platform engineering role focused on building and owning internal applications and infrastructure.
You’ll sit at the intersection of backend engineering and cloud infrastructure, with a strong emphasis on Python development and AWS serverless architecture.
The role requires someone who can operate with high autonomy, move quickly, and take full ownership of systems from design through to production.
What You’ll Be Doing
* Designing and building internal platforms and API-driven applications
* Developing Python-based services, tools, and automation
* Working with AWS serverless architecture (Lambda, API Gateway, DynamoDB, Cognito)
* Managing infrastructure using Terraform and CI/CD pipelines (GitLab)
* Improving and redesigning existing systems and applications
* Collaborating with cross-functional teams including engineering and research
* Supporting a hybrid cloud + on-prem environment
* Taking ownership of systems end-to-end, including deployment and optimisation
What They’re Looking For
Essential
* Strong experience building backend systems and APIs in Python
* Hands-on experience with AWS (ideally serverless environments)
* Experience with infrastructure-as-code (Terraform or similar)
* Proven ability to own and deliver projects end-to-end
* Comfortable working in a fast-paced, scaling environment
* Strong problem-solving skills and ability to work independently
Nice to Have
* Experience with API Gateway, Lambda, DynamoDB, Cognito
* Exposure to hybrid environments (cloud + on-prem)
* Experience with CI/CD tools (GitLab or similar)
* Familiarity with VMware, Proxmox, or similar virtualisation tools
* Background in platform engineering or internal tooling
Tech Stack
* Python
* AWS (Lambda, API Gateway, DynamoDB, Cognito)
* Terraform, Ansible
* GitLab CI/CD
* Bash scripting
* Hybrid infrastructure (AWS + on-prem systems)
Additional Information
* Hybrid working: 3 days per week in London (Islington)
* Flexibility on working patterns
* Opportunity to work closely with hardware and research teams
* Equity package alongside base salary
* Strong benefits including private healthcare and pension
* Opportunity to introduce new technologies to the business.
Why Join?
* Work on cutting-edge technology in a deep tech environment
* High ownership and autonomy from day one
* Opportunity to shape systems in a growing company
* Collaborative and mission-driven team