Senior Software Engineer (React)

At Ascenti, we help thousands of people every day to elevate their health and live active lives. With over 25 years of experience in the public and private sectors, we’re proud to foster a progressive, values-led workplace where our people thrive.

About The Role

We’re looking for a Senior Software Engineer (React) to join our Ascenti Digital team on a permanent, full-time basis. This is a senior role that plays a critical part in shaping our digital products and delivering high-quality software that supports patient care and operational excellence.

You’ll lead the development and improvement of customer-facing applications, taking ownership of key technical decisions across our React and React Native codebases. As a key contributor to our software architecture and development strategy, you’ll also provide guidance to junior engineers and act as a subject matter expert in cross-team collaboration.

This opportunity is perfect for someone with deep experience in React, cloud-native tools, and modern software architecture, who enjoys mentoring others and delivering impactful, scalable software in a values-driven organisation.

What You’ll Be Doing

As a Senior Software Engineer (React), you’ll:

• Lead the design, implementation, and delivery of new product features and technical enhancements.
• Take technical ownership of core product components across React, React Native, and supporting tech.
• Mentor junior engineers and support a high-performance development culture.
• Provide architectural input to the CTO and shape the technical direction of our platforms.
• Collaborate with Product, Engineering, and Business stakeholders to align delivery to strategic goals.
• Develop functional, responsive user interfaces aligned with brand and UX standards.
• Promote agile working and contribute to data-informed engineering practices.
• Support wider technology projects and contribute to Ascenti’s overall digital strategy.
• Represent the digital team in customer-facing discussions where required.

Benefits & Culture

We strive to live and breathe our values, underpinned by a passion for what we do and a people-centric approach. Our benefits include flexible working, Vitality at Work membership, exclusive discounts, and more. Learn more at: ascenti.co.uk/benefits

Knowledge, Experience, And Qualifications

• Mobile application development with React Native.
• TypeScript and JavaScript.
• Front end framework, ideally React.
• Redux/RTK Query or other state management pattens.
• Expert user of relational and nonrelational database technologies.
• Unit and integration testing.
• Continuous Integration (CI)/ Continuous Delivery (CD) tools – hands-on knowledge.
• Significant experience with cloud technologies – Azure.
• Expert understanding of modern architectures for developing applications and websites.
• Highly capable full stack development with experience managing complex systems across the front and back ends.
• Experience mentoring or managing junior developers and engineers.
• Demonstrable experience of leadership within an agile team.
• Bachelor’s degree in computer science or relevant field or equivalent professional experience.
• Proven track record delivering websites and/or Windows applications.