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Principal Software Architect

London, England, United Kingdom💼 Full-time💰 $80,000–$100,000🗓 2026-09-21 → 2026-09-26

Core

Principal Software Architect leading solution design, domain modeling, and technical direction for large-scale modernization programs in public and private sectors.

Role type

Principal Software Architect (hands-on IC)

Builds

Modern, scalable software systems and microservice-based architectures

Domain

Software Engineering, Platform Engineering, Cloud, AI-assisted engineering

Deliverable

production ML models | product features

Required skills

Domain Driven Design, microservice architecture, full-stack development, system decomposition, integration strategy, architectural decision-making, stakeholder influence, mentoring

Preferred skills

Event Storming, AI-assisted development, regulated/public sector experience

Technologies

Java, Spring, TypeScript, JavaScript, NoSQL, SQL, Playwright, Docker, Kubernetes, Maven, GitLab, AWS, React

Responsibilities

Own architecture and solution design for customer engagements; Lead domain discovery and modeling with stakeholders; Shape and challenge business and technical architecture; Ensure domain model alignment in code; Act as trusted architectural advisor; Work hands-on across the stack; Establish architectural standards; Drive process improvements; Mentor engineers.

Seniority

Principal, strategy & mentorship

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