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Lead Software Engineer

London, England, United Kingdom💼 Full-time🗓 2026-08-17 → 2026-09-25

Core

Lead software engineer responsible for architecting and building high-impact features for Cobalt, an enterprise software product for mission-critical defense operations.

Role type

Lead Software Engineer (IC + Team Leadership)

Builds

Enterprise software platform (Cobalt) for defense operators

Domain

Defense / Security / Enterprise Software

Deliverable

production ML models | product features

Required skills

Server-side languages (C++, Java, Rust, Python), Front-end development (TypeScript, JavaScript, Angular, React), Software architecture, Code review, Team mentoring, Security policy adherence, Product roadmap planning

Preferred skills

Embedded/resource-constrained device development, Kubernetes, SQL databases (PostgreSQL), Machine learning applications, Application security best practices (OWASP Top 10)

Technologies

C++, Java, Rust, Python, TypeScript, JavaScript, Angular, React, Kubernetes, PostgreSQL

Responsibilities

Architecting and writing software for complex features, Mentoring and developing team members, Conducting code reviews, Owning technical decisions, Collaborating on product delivery, Contributing to roadmap planning

Seniority

Senior, hands-on IC with leadership responsibilities

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