Junior Full Stack Developer

This is a 3-month initial contract for a Junior Software Developer to join a fast-paced team building a cutting-edge AI analytics platform. You'll work across the full stack, contributing to live product features while learning rapidly in a high-impact startup environment. Client Details Our client is an early-stage, venture-backed technology company operating at the intersection of data and artificial intelligence. They're building a platform that allows businesses to interact with data through natural language, combining modern data infrastructure with advanced AI capabilities. Based in central London, the team works closely together in-person, creating a collaborative and high-energy environment where passionate technologists can thrive and grow quickly. Description • Build and maintain full-stack features across backend, APIs, and frontend • Develop data ingestion pipelines and design scalable database schemas • Integrate AI capabilities into the product using modern AI APIs • Contribute to frontend development in React, focusing on user experience • Collaborate closely with engineers and founders to ship quickly and iterate • Support testing, debugging, and documentation to ensure high code quality Profile • Experience or solid knowledge of .NET / ASP.NET Core and React • Strong understanding of SQL and relational database design • Comfortable working with REST APIs and system architecture concepts • A genuine passion for software development, AI, and emerging technologies • Someone who builds in their own time, experiments, and is naturally curious • Proactive, resilient, and thrives in a fast-moving startup environment • Strong attention to detail and a collaborative mindset • Bonus: exposure to AI APIs (OpenAI, Anthropic, etc.) or AWS • Active GitHub or portfolio demonstrating hands-on coding Job Offer • Initial 3-month contract with strong potential extension • Opportunity to work on cutting-edge AI technology in a real-world product • Direct access to founders and ability to shape what gets built • Rapid learning in a zero-to-one startup environment • A team of passionate builders who care deeply about technology and product