Full-Stack Software Developer (Drupal / React)

Charles River; Tranent, Chinley, Harlow, Keele; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading contract research organization in Tranent seeks a Full-Stack Software Developer specializing in Drupal and React. In this role, you will design and maintain high-performance web applications, implement CI/CD automation, and ensure environmental consistency using Docker and Kubernetes. Candidates should have a Bachelor's degree and proven experience with PHP, React, and Drupal. This position offers a competitive benefits package including healthcare, performance bonuses, and a generous pension scheme.

Benefits

Generous company pension scheme

Private healthcare

Performance bonuses

Employee discount programs

Qualifications

• Bachelor's degree (B.A. / B.Sc) or equivalent in Computer Science, Engineering, or a related discipline.
• Extensive web development experience with PHP and React.
• Proficient with decoupled architectures and JSON:API.

Responsibilities

• Assist in the design and development of Drupal and React applications.
• Implement and improve CI/CD automation.
• Conduct peer code reviews and provide feedback.

Skills

PHP

React

Drupal

GitHub Actions

Container orchestration

Docker

Kubernetes

Education

Bachelor's degree in Computer Science or related field

Tools

Jest

NextJS

Chakra UI

Job description

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Full-Stack Software Developer (Drupal / React)

Location: Tranent, GB, EH33 2NE; High Peak, GB, SK23 6FJ; Harlow, GB, CM19 5TR; Tranent, GB, EH33 1EH; Margate, GB, CT9 4LT; Keele, GB, ST5 5SP; Hatfield, GB, AL10 9SN; Portishead, GB, BS20 7AW; Saffron Walden, GB, CB10 1XL

For 75years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

Job Summary

Contribute to the build and maintenance of high-performance, decoupled web applications that pair Drupal back-ends with React front-ends. Working alongside cross-functional teams, you will help deliver secure, scalable solutions while actively working with established CI/CD processes and containerised environments to ensure steady code delivery. In this role, you will follow standardised workflows to maintain quality and ensure alignment with necessary regulatory requirements.

Essential duties and responsibilities:

• Assist in the design and development of Drupal-based sites and React-based user interfaces
• Implement and improve GitHub Actions pipelines and broader CI/CD automation
• Configure and optimise containerised, high-scale environments (Docker / Kubernetes)
• Write and maintain unit, integration, and end-to-end tests
• 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

Must-Have Qualifications:

• Bachelor's degree (B.A. / B.Sc) or equivalent in Computer Science, Engineering, Information Systems, or a related discipline
• Extensive development experience in web development with technologies like PHP and React
• Drupal Expertise
• Knowledge of Drupal 10+
• Proficient with decoupled architectures (JSON:API)
• React Expertise
• Familiar with React, NextJS and Jest best practices

Nice to have:

• Chakra UI experience
• Understanding of React components lifecycle: mounting, evolving, unmounting

Software Delivery and Automation

• Experience managing automated workflows within GitHub to streamline code integration and deployment
• Proficiency in Docker / Kubernetes to ensure consistency across local, staging, and production environments
• Practical understanding of the Software Development Lifecycle (SDLC)

Soft Skills

• Able to explain technical decisions and trade-offs succinctly

What We Offer:

Charles River offers a competitive benefits package, including a generous company pension scheme, private healthcare, dental coverage, performance bonuses, and access to employee discount programs - plus much more!

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 over 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 supported the development of 80% of the drugs approved by the FDA in the last five years.

At Charles River Laboratories, we recognize and recruit all talent. We are a company committed to fostering a sense of belonging and work daily in this direction.