Principal Software Engineer – Full Stack

Overview

In this role you will lead engineering and client initiatives to deliver scalable, cloud-native software solutions. You’ll partner with clients to turn ideas into high-quality products, balancing delivery, value, and commercial considerations. You’ll guide multi-stack backend work, mentor teams, and contribute to both client outcomes and internal engineering communities. This is a chance to work with cutting-edge tech, across UK client sites, and help shift projects from delivery to product.

Pay / Benefits

• 30 days’ vacation
• private medical insurance
• 3 extra days leave for charitable work
• mobility/onsite client work
• extensive benefits package
• flexible work arrangements

Responsibilities

• lead client accounts end-to-end including people, delivery, and quality
• build and mentor engineering teams to deliver great software
• design and implement backend services across synchronous, message-driven, and event-driven paradigms
• maintain focus on value, efficiency, and low complexity in solutions
• advocate for rigorous testing and DevOps practices
• contribute to internal engineering communities and cross-team knowledge sharing
• navigate changing client needs and tech stacks to achieve outcomes

Key requirements

• significant experience leading teams and developing careers of team members
• ability to build relationships with stakeholders demanding measurable results
• extensive backend development experience across multiple integration paradigms
• proficiency in Java, C#, Python, TypeScript, or React
• recent experience delivering cloud-native apps on AWS and/or Azure
• experience defining product/service strategies, possibly with Agentic AI certification
• comfort working in DevOps environments with automated testing
• collaborative, flexible mindset and ability to adapt tech stack per client needs

• relationship-building
• egoless collaboration
• problem-solving
• backend services
• integration paradigms (synchronous, message-driven, event-driven)
• cloud platforms (AWS, Azure)

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