About the role:

We’re looking for a Principal Full Stack Developer, with 10 to 12 years relevant experience, capable of delivering enterprise solutions for internal use. Technically, you’ll be comfortable working using Agile methodologies in a Scrumban /SAFe environment, and have proven experience designing, building and managing modern full-stack applications using Cloud-native solutions.

You’ll be contributing to the development of a next iteration of the Hosting Portal, a product within GSK Enterprise Hosting Services, that allows application teams across GSK to provision and manage Cloud resources in a self-service manner. The Hosting Portal is a custom-built web application using a modern TypeScript tech stack based on TypeScript.

Required Skills & Experience:

• Excellent knowledge and hands on experience with HTML5, CSS3 (including preprocessors) and TypeScript (ES6+)

• Excellent knowledge and hands on experience with React and NextJS (essential).

• Hands-on experience with GraphQL and relevant tooling such as Yoga, Prisma, and Apollo Client (essential)

• Good understanding of bundlers and compilers such as Webpack, TS-Node, Rspack and Babel

• Previous experience in developing a React-based UI Component library based on Mantine, Material UI, or Chakra UI.

• Previously developed schema-based forms either custom or based on a library such as react-hook-form or Formik, including data validator libraries such as Yup, Zod or JOI.

• Expertise with CSS grid systems, media queries, flex and other layout techniques and responsive user interface components.

• Knowledge of modern authentication and authorization mechanisms such as OAuth v2 or SAML and JSON Web Token and libraries such as MSAL.

• Strong experience with test automation (unit & integration) tools such as Jest and Cypress.

Desired skills:

• Previous experience with VueJS v2 – we are migrating an existing web application from VueJS to React.

• Familiar with building React web applications based on a Micro Frontend using Module Federation or Single SPA.

• Developed REST APIs based on NodeJS (ExpressJS)

• Experience of building and deploying web applications through CI/CD pipelines using GitHub Actions or Azure DevOps.

• Knowledge of deploying, managing and monitoring web applications in a Cloud environment such as Microsoft Azure or Google Cloud.

• Previously worked in a central IT team within a regulated environment such as the Pharmaceutical or Finance industry

Why GSK?

Uniting science, technology and talent to get ahead of disease together.

GSK is a global biopharma company with a special purpose – to unite science, technology and talent to get ahead of disease together – so we can positively impact the health of billions of people and deliver stronger, more sustainable shareholder returns – as an organisation where people can thrive. We prevent and treat disease with vaccines, specialty and general medicines. We focus on the science of the immune system and the use of new platform and data technologies, investing in four core therapeutic areas (infectious diseases, HIV, respiratory/ immunology and oncology).

Our success absolutely depends on our people. While getting ahead of disease together is about our ambition for patients and shareholders, it’s also about making GSK a place where people can thrive. We want GSK to be a place where people feel inspired, encouraged and challenged to be the best they can be. A place where they can be themselves – feeling welcome, valued, and included. Where they can keep growing and look after their wellbeing. So, if you share our ambition, join us at this exciting moment in our journey to get Ahead Together.

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