Senior Developer, Contentful
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Job Description
Senior Developer migrating enterprise Sitecore platforms to Contentful for Valtech, an experience innovation company. Building React/TypeScript applications, APIs and AI-assisted migration tooling.
Responsibilities:
- Migrate and modernise existing Sitecore-backed applications to work with Contentful
- Develop, refactor and enhance frontend applications using React and TypeScript
- Replace Sitecore-specific dependencies, components and integrations with Contentful-compatible solutions
- Develop content migration tooling, scripts and automated transformation processes
- Implement Contentful content models, API integrations and content delivery patterns
- Ensure migrated applications maintain functionality, performance, accessibility and quality
- Identify opportunities to accelerate development, migration and problem-solving using AI
- Apply spec-driven development with technical specifications, acceptance criteria and tests to guide AI-assisted implementation
- Use AI for Sitecore analysis, schema mapping, migration script generation, application refactoring and validation
- Review, test and take accountability for AI-generated outputs
- Share AI-enabled development practices and improve team productivity
- Own complex development tasks and significant migration components independently
- Write clean, maintainable, well-tested code and contribute to CI/CD and automated testing
- Identify technical risks, dependencies and improvement opportunities
- Collaborate with Lead Developers, architects, QA and content teams
- Support less experienced developers through mentoring, code reviews and knowledge sharing
Requirements:
- Strong commercial software engineering experience, particularly with React and TypeScript
- Experience migrating, modernising or refactoring existing frontend applications
- Practical experience with headless CMS platforms, preferably Contentful, and an understanding of Sitecore
- Strong understanding of APIs, integration patterns and content modelling
- Experience with backend development, migration scripting or data transformation
- Practical experience using AI-assisted development tools and an understanding of spec-driven development approaches
- Experience with automated testing, CI/CD and modern engineering practices
- Ability to work independently, solve complex problems and influence technical implementation decisions
- Direct experience migrating Sitecore applications and content to Contentful is desirable
- Experience with Next.js, Sitecore JSS or CMS/DXP replatforming is desirable
- Experience applying AI to content analysis, migration automation, code transformation or test generation is desirable
- Experience with multilingual, multisite or composable digital platforms is desirable
Benefits:
- 24 working days of paid vacation
- National holidays covered
- Sick leave (up to 20/year)
- Unpaid leave (up to 20/year)
- Medical insurance
- Multisport card OR Multikafeteria
- Maternity & paternity leave support
- Internal workshops & learning initiatives
- Professional certifications reimbursement
- Participation in professional local & global communities
- Growth Framework to manage expectations and define the steps to move towards the selected career
- Mentoring program with the ability to become a mentor or a mentee to grow to a higher position
- Progressive benefit packages—the longer you stay with the company, the more benefits you get
- Remote and hybrid work options (country-dependent)
- Career advancement, international mobility and professional development programs
- Access to cutting-edge tools, training and industry experts
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