Job Description
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Principal Developer - React, NestJS, Azure, Java
Hybrid, London | 6-Month FTC | £85k-£95k DOE
Robert Half are working with a leading client who are an innovative leader in tech-driven solutions, and are seeking a Principal Developer for a 6-month fixed-term contract to join their IP Development team in London (hybrid). This is a unique opportunity to provide senior technical leadership, drive architectural strategy, and ensure technical excellence across high-impact projects during the sabbatical of the permanent postholder.
Key Responsibilities:
* Set architectural direction for modern web applications using React, NestJS, Azure, and Java.
* Define and uphold engineering standards for performance, scalability, availability, and resilience.
* Guide cross-functional teams in technical strategy, integration, and security.
* Drive innovation through AI, DevTools, and emerging technologies-validating and integrating proof of concepts.
* Oversee shared platform components, ensuring quality, reliability, and reusability.
* Mentor senior engineers and lead root-cause analysis of critical issues.
About you:
* Significant experience in technical leadership roles with a focus on architecture and platform governance.
* Proficiency in TypeScript stacks (React, NestJS), cloud platforms (Azure), and familiarity with Java.
* Proven track record of delivering scalable, maintainable solutions in complex environments.
* Skilled in cross-team collaboration, technical reviews, and stakeholder management.
* Strong analytical and mentoring abilities.
Robert Half Ltd acts as an employment business for temporary positions and an employment agency for permanent positions. Robert Half is committed to diversity, equity and inclusion. Suitable candidates with equivalent qualifications and more or less experience can apply. xsngvjr Rates of pay and salary ranges are dependent upon your experience, qualifications and training. If you wish to apply, please read our Privacy Notice describing how we may process, disclose and store your personal data: