Senior Full Stack Drupal/React Developer
MADRID, M, ES, 28029 Dublin, IE, D09 Keele, GB, ST5 5SP US Sant Cugat del Vallès, B, ES, 08174 Portishead, GB, BS20 7AW Saffron Walden, GB, CB10 1XL High Peak, GB, SK23 6FJ Edinburgh, GB, EH14 4AP Harlow, GB, CM19 5TR
At Charles River, we are passionate about improving the quality of people’s lives. When you join our global family, you will help create healthier lives for millions of patients and their families.
Charles River employees are innovative thinkers, who are dedicated to continuous learning and improvement. We will empower you with the resources you need to grow and develop in your career.
As a Charles River employee, you will be part of an industry-leading, customer-focused company at the forefront of drug development. Your skills will play a key role in bringing life-saving therapies to market faster through simpler, quicker, and more digitalized processes. Whether you are in lab operations, finance, IT, sales, or another area, when you work at Charles River, you will be the difference every day for patients across the globe.
Job Summary
Drive the build and maintenance of high-performance, decoupled web applications that pair Drupal back-ends with React front-ends. You’ll collaborate closely with different teams to deliver secure, scalable solutions and ensure continuous delivery of quality code that meets regulatory standards.
Essential duties and responsibilities
- Analyse, design, develop, integrate, and document Drupal & React based websites
- Create reusable React components that consume Drupal JSON:API endpoints
- Write and maintain unit, integration, and end-to-end tests
- Configure / tune Apache Solr (Search API Solr) for fast, faceted search
- Optimize caching layers, harden security, and monitor Web Vitals
- Configure and maintain GitHub Actions pipelines and broader CI/CD automation
- Work in containerised, high-scale environments (Docker / Kubernetes)
- Participate in backlog grooming, sprint planning, and other ceremonies
- Conduct peer code reviews and provide constructive feedback
- Follow SOX, SOP, GLP, GMP and related standards
- Produce clean, well-documented, efficient code
- Leverage approved AI tools to streamline daily development tasks
- Perform related duties as assigned
Competitive salary and benefits package reflective of location and scope of experience.
Job Qualifications
- Bachelor's degree (B.A./B.S.) or equivalent in Computer Science, Engineering, Information Systems, or a related discipline
- Strong track record of development experience in Drupal & React with demonstrable outcomes
- Drupal Expertise
- Deep knowledge of Drupal 10+ core APIs and Composer workflows
- Proficient with decoupled architectures (JSON:API)
- Strong PHP (modern OOP, Dependency Injection, SOLID principles)
- React Expertise
- Familiar with React, NextJS and Jest best practices
Preferred but not Essential
- Chakra UI experience
- Understanding of React components lifecycle: mounting, evolving,unmounting
Soft Skills
- Clear written & verbal communication. Fluency in English essential.
- Exemplary attention to detail
- Effective planning and organisation skills with the ability to effectively prioritise in the face of multiple requirements
- Able to explain technical decisions and trade-off's succinctly
- Strong collaboration and influencing skills
- Ability to work calmly and efficiently under pressure in order to meet stringent deadlines and maintain continuity
- An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above
About Corporate Functions
The Corporate Functions provide operational support across Charles River in areas such as Human Resources, Finance, IT, Legal, Sales, Quality Assurance, Marketing, and Corporate Development. They partner with their colleagues across the company to develop and drive strategies and to set global standards. The functions are essential to providing a bridge between strategic vision and operational readiness, to ensure ongoing functional innovation and capability improvement.
About Charles River
Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.
With over 20,000 employees within 110 facilities in 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world.
At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.
Equal Employment Opportunity
Charles River Laboratories is an Equal Opportunity Employer - M/F/Disabled/Vet.
If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to crrecruitment_US@crl.com. This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.
For more information, please visit www.criver.com.
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