Full Stack Engineer (Contract) - AI-Powered Prototypes
Location: Remote – full right to work in the UK required.
Commitment: Full‑time, 3‑6 month contract
Start date: ASAP
About the Role
Key client of Sphere is an early‑stage startup building an AI‑native learning experience to help young adults develop essential life and career skills. The first prototype focuses on communication – using AI to simulate real‑world scenarios and deliver personalised feedback.
Responsibilities
* Own end‑to‑end prototype delivery: build, launch, and iterate on MVPs across front‑end and back‑end.
* Front‑end: create clean, responsive web/mobile interfaces for interactive learning flows.
* Back‑end: develop and manage APIs, data storage, and backend logic to support AI features and assessments.
* AI integration: work closely with the technical lead to integrate third‑party AI tools (LLMs, voice/video APIs, multimodal services).
* Ship fast, learn fast: launch a new prototype every month, incorporating user and team feedback quickly.
* Infrastructure: set up hosting, deployment pipelines, and lightweight QA/testing for small pilot releases.
* Collaborate cross‑functionally: work with learning strategists and designers to translate educational flows into working product experiences.
* Design with scalability in mind: while focused on prototypes, keep an eye on future productisation and technical debt.
Qualifications
* Full stack capability: strong experience with front‑end frameworks (e.g. React, Next.js, React Native) and back‑end systems (e.g. Node.js, Python).
* AI integrations: hands‑on experience integrating AI tools and services (e.g. OpenAI, Anthropic, LangChain, Pinecone, speech/video APIs).
* Prototype mindset: built MVPs in fast‑moving environments and comfortable with ambiguity.
* Cloud/data experience: familiar with AWS, GCP, or Firebase; experience working with APIs and databases.
* Delivery focus: can ship functional, reliable software quickly – with just enough polish for live testing.
* Strong communicator: collaborates well with non‑technical teammates, including educators and designers.
Bonus Experience
* Working on edtech, coaching, or learning products.
* Media integration (video/audio).
* Building dashboards or data visualisations.
* Experience designing for or working with young adult users 16+.
Sphere Digital Recruitment is acting as an Employment Business in relation to this vacancy.
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