Principal Software Architect – Distributed Platform & AI

CoreWeave; Greater London; On-site; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Family-level medical and dental insurance

Generous pension contribution

Critical illness cover

Tuition reimbursement

Job summary

A leading tech company in Greater London is seeking a Principal Software Engineer to lead the architectural evolution of their platform. In this hands-on role, you will drive technical initiatives, mentor developers, and design scalable solutions. Ideal candidates have 12+ years of software engineering experience, expert-level Python skills, and deep expertise in distributed systems. The role offers competitive salary and family-level benefits, along with a culture focused on innovative disruption.

Qualifications

• 12+ years of software engineering experience with at least 2 years in principal/staff engineering roles.
• Hands-on experience with workflow orchestration tools like Temporal, Airflow, or Kubeflow.
• Proven track record of leading architectural transformations in growing companies.

Responsibilities

• Drive technical leadership and architecture, transitioning from monolithic to distributed architecture.
• Write production-quality Python code for critical platform components.
• Mentor mid-level developers and establish engineering best practices.

Skills

Expert-level Python development

Distributed systems architecture

Kubernetes production workloads

Workflow orchestration tools

Cloud platform expertise (AWS)

Data processing frameworks

Technical communication

Job description

A leading tech company in Greater London is seeking a Principal Software Engineer to lead the architectural evolution of their platform. In this hands-on role, you will drive technical initiatives, mentor developers, and design scalable solutions. Ideal candidates have 12+ years of software engineering experience, expert-level Python skills, and deep expertise in distributed systems. The role offers competitive salary and family-level benefits, along with a culture focused on innovative disruption.