Senior Software Engineer (C# / JavaScript)

New Yesterday

Senior Software Engineer Competitive salary dependent on skills and experience and potential for equity participation Remote ideally commutable to Leeds and London when required - MUST BE BASED IN THE UK Full Time Backed by significant scale-up funding (7-figure+ GBP) and already validated by leading industry organisations, we re building the AI-powered platform for modern dealmakers. Our technology spans backend, frontend, data, and AI, giving our team real scope to shape the future of the product and the company itself. As a Senior Software Engineer, you will work within the development team to help shape the technical vision. Design, build, and maintain APIs and services using Python (FastAPI), integrating with AI models and data platforms. Frontend development: Deliver responsive, performant, and accessible user interfaces with React/Next.js. AI integration: Implement and maintain connections to LLMs and ML services (OpenAI, AWS Bedrock, etc.), supporting prompt design, embeddings, and vector database integration. Data engineering: Work with structured and unstructured datasets, build ingestion and transformation pipelines, and design efficient database schemas (Postgres/NoSQL). Code quality: Champion best practices in testing, code reviews, CI/CD, and documentation. Innovation: Research and recommend new tools, frameworks, and approaches for full-stack and AI development. 5+ years of professional experience in full-stack development. Strong proficiency in Python (FastAPI) and React/Next.js. Solid experience with SQL and NoSQL databases (e.g., Experience working with AI/ML models and APIs (LLMs, embeddings, vector search). Strong understanding of data engineering practices (ETL, schema design, performance tuning). Proficiency in cloud environments (AWS preferred) and containerised deployments (Docker, ECS). Strong grasp of secure coding practices and handling of sensitive data.
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Location:
London
Job Type:
FullTime

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