Front End Developer - Leeds - Hybrid I'm working with a client who is looking for a Front End Developer with strong JavaScript/TypeScript background to help drive the development of their platform and application services. You’ll join a cross-functional technical pod alongside dedicated UI/UX, PMO, and DevOps support. Key Responsibilities Software Development Design and build scalable, maintainable, and secure software solutions. Collaborate on feature design and delivery, ensuring technical feasibility. Develop and optimise APIs and microservices with performance and scalability in mind. Integrate secure coding practices and perform regular security assessments. Skills & Experience Essential: Proven experience in a senior or staff engineering role in a fast-paced or start-up environment. Strong JavaScript/TypeScript expertise. Solid understanding of RESTful APIs, GraphQL, microservices, and service design patterns. Experience with SQL (schema design and optimisation). Familiarity with security best practices and testing frameworks. Agile development experience. Desirable: Experience with WebGL/three.js. Background in SaaS or mission-critical applications. Experience with cloud-native architectures, data modelling, or scraping.