Senior Developer

Contract & Location

Contract:

Permanent, full-time

Location:

London (hybrid-working)

Closing Date: 21 July 2026

As a Senior Developer you will be part of a small innovation team responsible for bringing a world-leading, cutting‑edge AI‑driven music and language teaching/analytics product in‑house. You will help evolve our existing pilot codebase into a robust, scalable production system while building out a strong backlog of new features in collaboration with AI, Dev Ops, and Data colleagues. The innovation team is moving to an AI‑first model for development which you will play a key role in.

We are looking for someone who has a blend of analytical and technical skills and collaborates well with stakeholders including developers overseas.

• Hands‑on experience developing production software using AI‑assisted development tools
• Strong experience with ReactJS, Next.js, and front‑end UI development
• Solid understanding of UI development
• Full‑stack experience with both No
  
  SQL (DynamoDB) and SQL
• Ability to contribute effectively in small agile teams
• Comfortable working in a fast‑paced environment with evolving requirements

Trinity provides a work environment that is stimulating, inspiring and fair. Our approach to reward values our employees while ensuring each person’s contribution makes us great as an organisation.

Trinity is open to all applicants from different backgrounds and we are committed to building a more diverse and inclusive workplace. All applications are dealt with in the strictest of confidence.

We actively encourage applications from candidates of all abilities. As a Disability Confident employer, we are dedicated to creating a workplace that is accessible, supportive, and welcoming for individuals with different abilities. We will make sure you can be interviewed fairly if you have a disability, long term health condition, or are neuro‑diverse.

Trinity promotes and welcomes applications from a wide range of candidates, including those with criminal records. In line with the requirements of the Rehabilitation of Offenders Act (1974), we select all candidates for interview based on their competencies, qualifications and knowledge.

To learn more about our DEI commitment as an equal opportunities employer, please visit our Equality, diversity and inclusion page.