Scientist/Senior Scientist (Synthetic Organic Chemistry)

At CatSci, we partner with our clients to solve complex scientific problems and accelerate the delivery of life‑changing medicines. We’re now looking for a Scientist/Senior Scientist (Synthetic Organic Chemistry) to join our scientific team and play a key role in delivering high‑quality, client‑focused science. If you’re a hands‑on chemist who enjoys variety, collaboration, and seeing your work make a real impact, we’d love to hear from you.

We are especially keen to hear from people with experience in catalysis and/or high-throughput screening and/or process development.

Founded in 2010 by former AstraZeneca scientists, we began as a catalyst screening specialist before evolving into a fully integrated innovation partner for complex synthetic medicines. What started in a single lab in Cardiff has expanded across 14 state-of-the-art laboratories across the UK and Europe.

Over the past decade, we’ve expanded into process chemistry, analytical development, oligonucleotides, peptides, and bioscience, and today, CatSci stands as a trusted drug development partner to more than 100 biotechs and global pharma companies.

We pride ourselves on creating an environment where all our employees can flourish. As part of our team, you’ll thrive on a culture of continuous improvement and always be encouraged to be the best version of yourself. We hire great people from a wide variety of backgrounds, not just because it’s the right thing to do, but because it makes our company stronger.

As a Scientist/Senior Scientist at CatSci, you’ll work collaboratively on a range of client programmes, applying your technical expertise to solve challenging problems across drug discovery and development. You’ll deliver high‑quality experimental work, contribute to project success, and support the development of colleagues within a supportive, inclusive environment.

This is an excellent opportunity for an experienced chemist ready to take the next step in responsibility while remaining close to the science.

• →Designing, executing, and interpreting complex experimental studies
• →Applying scientific judgement to troubleshoot and solve technical challenges
• →Delivering project milestones to agreed timelines and quality standards
• →Presenting data clearly to project teams and clients, both written and verbal
• →Supporting and mentoring Scientists and Associate Scientists
• →Contributing to a collaborative, high‑performing team culture
• →Maintaining excellent standards of documentation, data integrity, and laboratory safety

You’ll bring strong scientific expertise, curiosity, and a pragmatic, solutions‑focused mindset. You’ll enjoy working across projects and collaborating with others to deliver real value for clients.

• A degree (BSc, MSc or PhD) in a relevant scientific discipline
• Significant relevant industry experience in drug discovery, development, or a related field
• Strong experimental design and data interpretation skills
• The ability to work independently while contributing effectively to teams
• Clear and confident written and verbal communication skills