Platform Engineer

  • Harnham - Data & Analytics Recruitment
  • Oct 31, 2025
Full time Telecommunications

Job Description

Platform Engineer

Salary: £150,000 + Equity

Location: London (3 Days in Office) & 2 Remote

Be part of building a next-generation trading platform that redefines how compute power is valued and exchanged. Join us at the ground floor to design the core systems that power a new financial frontier.

The Opportunity

This early-stage start-up are on a mission to redefine how computational resources are traded and valued in global markets. Their team is building the systems that will power the next generation of trading infrastructure, combining deep financial expertise with cutting-edge cloud engineering. As part of a small, elite group, you'll help design and scale critical components that bridge technology and finance at a foundational level.

This is a rare opportunity to shape both the product and the market from the ground up, alongside founders and engineers with a proven record of innovation. Every line of code you write will help build the future backbone of a new financial ecosystem.

The Role and Responsibility

They're looking for a hands-on platform engineer to help design, build, and scale the core systems of their trading platform. You'll take ownership of infrastructure on Google Cloud Platform, manage Kubernetes deployments, and expand their environment using Terraform and infrastructure-as-code best practices. The role also involves contributing to backend development in Python with PostgreSQL, ensuring performance, reliability, and scalability across all layers.

They're seeking someone with experience building complex, mission-critical systems, ideally within financial services or high-growth B2B SaaS. Familiarity with trading platforms or modern DevOps environments is a strong plus, along with a builder's mindset and readiness to shape a product from the ground up.

Interview Process: 4 Stages

  1. 45 Minute Initial Interview (Virtual)
  2. Technical Interview In Person (2 Hour 45 Minutes)
  3. 2 Hour Deeper Dive Technical Interview
  4. 45 Minute Culture Fit Interview

If you're an experienced data engineer, looking to enter a start-up and transform the trading platform and looking for a new opportunity, apply now!