Full-stack Developer

We're on a mission for a happier world. We're looking for a talented developer to help us build brilliant systems and life-changing programmes.

This is a senior, hands-on builder role with end-to-end responsibility for Action for Happiness’ technology and software development.

We're looking for someone who enjoys combining technical judgement, product development and creative problem-solving. You will have significant technical autonomy and the opportunity to shape the architecture, tools and development approach used across the organisation. You'll be experienced in using the latest AI development tools and able to take an 'AI-first' approach to product development.

Location: Flexible / remote-friendly (UK-based preferred but not essential).

Duration: 3-year contract, with potential to review/extend.

Remuneration: Competitive and dependent on experience. We recognise this is a senior role and can offer a strong package for the right candidate.

Closing date: Apply by Friday 10 April 2026

Please send a CV and brief covering email outlining your suitability for the role to [email removed - click apply for more details]

Before applying, please read the full Application Pack and ensure you have the attributes required.

Action for Happiness is committed to diversity and inclusion and we welcome applications from people of all ages, ethnicities and backgrounds.