Full Stack Developer

Location: Predominantly Remote / 1 day per week onsite in the Windsor/Surrey areaStart: ASAPAbout the RoleWe are looking for an experienced Full Stack Developer to join a global pharmaceutical organisation on a short-term contract supporting a new digital project.You will work alongside an existing developer, designers and internal stakeholders to develop and enhance a web-based platform supporting an existing AI system. The focus of the role is application development and integration rather than AI or machine-learning model development.The primary technology stack is React, TypeScript and PostgreSQL. You will contribute across the front end, back end, database, integrations, testing and deployment, while translating approved UI/UX designs into robust, production-ready functionality.Key ResponsibilitiesBuild and enhance an existing web-based platform using React and TypeScript.Translate approved UI/UX designs into responsive, accessible and maintainable components.Work across front-end, back-end, API and database layers.Work with PostgreSQL, including schema changes, queries, relational data modelling, performance and data integrity.Build, consume and integrate REST APIs and web services.Integrate the platform with an existing AI system and other internal or external services.Collaborate with the existing developer to understand the prototype, architecture, codebase and development standards.Work closely with designers and stakeholders to clarify requirements and accurately deliver approved designs.Test, debug and support applications across development and production environments.Create and maintain technical documentation covering architecture, code, data flows, deployment and support procedures.Support additional website development, maintenance, bug fixes and digital projects where required.Strong commercial experience with React and TypeScript.Proven full-stack development experience across front-end, back-end, APIs and databases.Strong practical experience with PostgreSQL, including relational data modelling and query development.Experience designing, building, integrating and consuming REST APIs or comparable web services.Experience implementing responsive interfaces from approved designs, prototypes or specifications.Experience with Git, branching, pull requests and code review.Experience testing, debugging and supporting web applications.Ability to communicate effectively with developers, designers and non-technical stakeholders.Strong organisation, documentation, problem-solving and prioritisation skills.Experience integrating web platforms with AI, machine learning, image analysis or other data-driven services.Experience within pharmaceutical, healthcare, scientific, regulated or compliance-led environments.Experience with component libraries, design systems and accessible web-development standards.Experience with automated front-end, back-end, integration or end-to-end testing.Familiarity with CI/CD pipelines, environment configuration and release management.Experience with performance optimisation, monitoring, logging and production support.

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