Principal Software Engineer

 

Description:

We’re seeking a Principal Software Engineer to lead the architectural evolution of our platform as we scale to meet growing demand from the world’s largest engineering companies. This is a hands-on technical leadership role where you’ll drive critical architectural initiatives while mentoring our engineering team. You’ll own — in conjunction with the VP of Engineering — the technical vision and execution of our platform’s evolution to a more distributed architecture, making it agentic ready for the next generation of AI applications.

In This Role, You Will
 

  • Technical Leadership & Architecture
  • Drive the ongoing transition from monolithic to distributed architecture.
  • Design and implement architecture to be agentic ready, enabling rapid deployment of AI products and MCP server integrations.
  • Own technical decisions balancing immediate business needs with long-term architectural goals.
  • Hands-On Development
  • Write production-quality Python code for critical platform components.
  • Build and optimize distributed compute services.
  • Implement reliable workflow orchestration patterns.
  • Team Mentorship & Collaboration
  • Mentor mid-level developers, elevating the technical capabilities of the entire team.
  • Establish engineering best practices and architectural patterns.
  • Collaborate with product and business stakeholders to translate requirements into technical solutions.
  • Guide technical decision-making and prioritization across the engineering organization.
  • Interview and onboard new engineers.
     

Who You Are
 

  • 12+ years of software engineering experience with at least 2 years in principal/staff engineering roles.
  • Expert-level Python development skills with production experience at scale.
  • Deep expertise in distributed systems architecture.
  • Strong Kubernetes experience with production workloads.
  • Hands-on experience with workflow orchestration tools (Temporal, Airflow, Kubeflow, or similar).
  • Cloud platform expertise (AWS required, Azure & GCP beneficial).
  • Experience with data processing frameworks (Spark, Athena, Ray, or similar).
  • Experience with systems having ML Engineering and MLOps aspects.
  • Proven track record of leading architectural transformations in growing companies.
  • Excellence in technical communication and stakeholder management.

Organization Core Weave
Industry IT / Telecom / Software Jobs
Occupational Category Principal Software Engineer
Job Location London, UK
Shift Type Morning
Job Type Full Time
Gender No Preference
Career Level Experienced Professional
Experience 12 Years
Posted at 2026-06-06 4:29 pm
Expires on 2026-11-26