Fullstack Developer

2 weeks ago

London, Greater London, United Kingdom Freshtechit Full time £60,000 - £120,000 per year

A fast-growing fintech company is hiring a Fullstack Developer to help build the next generation of intelligent, personalized financial platforms. This role blends modern front-end engineering with AI-powered workflows, automation, and human-centered design to deliver seamless digital experiences for users across global markets.

You'll join a lean, high-impact product and engineering team where autonomy, creativity, and rapid iteration are core to how we work. We use AI as a force multiplier-amplifying human creativity, streamlining development, and unlocking new possibilities in financial technology.

Responsibilities

  • Collaborate with design, backend, and data teams to deliver adaptive, scalable web experiences.
  • Optimize personalization and tracking systems while ensuring accessibility, privacy, and security compliance.
  • Scout and implement AI-driven tools to enhance development workflows and user experience.
  • Maintain performant front-end foundations using React, TypeScript/JavaScript, CSS, and AWS Amplify.
  • Work with headless CMS platforms (e.g., Storyblok) to deliver content compatible with AI workflows.
  • Break down complex projects into agile deliverables and contribute to technical documentation.

Requirements

  • Strong front-end engineering skills (React, TypeScript/JavaScript, CSS, responsive design).
  • Experience with AI-enhanced development tools (e.g., AI code assistants, automated testing, intelligent pipelines).
  • Familiarity with headless CMS platforms and web content workflows.
  • Understanding of web analytics, personalization frameworks, and tracking methodologies.
  • Experience with cloud platforms (AWS Amplify or similar), CI/CD pipelines, and feature flagging.
  • Knowledge of REST and GraphQL API design patterns.
  • Excellent communication and collaboration skills.
  • A keen design sensibility and commitment to secure coding practices.

Bonus Points

  • Experience integrating LLMs into development workflows (prompt engineering, context management, orchestration).
  • Familiarity with MCP or similar standards for managing model interactions and tooling integration.
  • Knowledge of A/B testing and automated UX optimization.
  • Contributions to open-source projects in automation, AI, or web engineering.

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