Lead Developer (Contentful)

Why Valtech? We’re the experience innovation company - a trusted partner to the world’s most recognized brands. To our people we offer growth opportunities, a values -driven culture, international careers and the chance to shape the future of experience. The opportunity At Valtech, you’ll find an environment designed for continuous learning, meaningful impact, and professional growth. Whether you're pioneering new digital solutions, challenging conventional thinking or building the next generation of customer experiences, your work will help transform industries. We are proud of: • The work we do and the innovation we drive • Our values of share, care a nd dare • A workplace culture that fosters creativity, diversity and autonomy • Our borderless, global framework, which enables seamless collaboration The role We are looking for an experienced Lead Developer to take technical ownership of the engineering delivery of an enterprise S itecore-to-Contentful migration, covering both content and application migration. You will lead the development team, establish engineering standards and ensure successful delivery of a scalable, maintainable Contentful-based solution . Ideally you are also an AI-first technical leader who can embed AI-native and spec-driven development practices into everyday engineering, using emerging tooling to improve delivery efficiency while maintaining technical quality, security and accountability. Key Responsibilities Technical Leadership and Migration Delivery • Lead the technical implementation of the Sitecore-to-Contentful migration across content, applications and integrations. • Work with architects to shape migration options, Contentful implementation patterns and technical decisions. • Guide the migration and modernisation of existing applications, including React frontends and supporting services. • Define approaches for content modelling, transformation, migration automation and validation. • Coordinate engineering activities, resolve complex technical challenges and manage dependencies and delivery risks. • Remain hands-on where required, particularly for complex implementation, technical spikes and critical problem-solving. AI-First Engineering Leadership • Champion an AI-first engineering mindset, encouraging the team to proactively use AI to improve software delivery. • Establish practical spec-driven development approaches, ensuring clear, testable specifications guide implementation and validation. • Identify opportunities to apply AI to Sitecore analysis, content mapping, migration automation, code modernisation and testing. • Guide developers in the effective use of AI coding assistants and automated engineering workflows. • Establish appropriate review, security and quality practices for AI-generated code and migration outputs. • Drive experimentation, knowledge sharing and measurable improvements in team productivity through AI adoption. Engineering Quality and Stakeholder Engagement • Own engineering quality, implementation consistency and technical delivery outcomes. • Establish standards for code quality, automated testing, CI/CD, migration validation and release readiness. • Lead technical planning for migration, cutover, rollback and post-migration support. • Provide technical direction, mentoring and coaching to developers. • Act as a trusted technical contact for client stakeholders, architects and delivery teams. • Communicate technical risks, trade-offs and recommendations clearly, aligning decisions with business objectives. Essential Skills and Experience • Significant engineering experience, including technical leadership of complex digital platform deliveries. • Proven experience with enterprise CMS migrations, replatforming or major headless