Senior Frontend Developer

As a Senior Frontend Developer you will be part of our cross-functional Agile development team delivering EDI products. This is a hands-on senior role for someone who can design and build high-quality, maintainable user interfaces while also helping shape the technical direction of the team. You will work closely with our UX teams, backend developers, product stakeholders, and other engineers to deliver user-friendly features as part of our cloud-native EDI platform. As a senior member of the team, you will be expected to lead by example, mentor other developers, challenge existing approaches where appropriate, and suggest practical improvements to our products, codebase, tooling, and ways of working. This is a great opportunity for someone who is curious about modern development practices, including the thoughtful use of AI-assisted development tools. This does not mean replacing sound engineering judgement; it means understanding where AI can help improve productivity, quality, learning, prototyping, testing, documentation, and developer experience. Join our team in Peterborough or Bracknell office ( HYBRID ) Essential skills: React, TypeScript, HTML, CSS/SCSS Desirable skills: Redux, Micro-frontend architecture, REST APIs, CI/CD pipelines, AI-assisted development tools What you will do Design, develop, test, and maintain high-quality frontend features using React and TypeScript Take ownership of complex technical work from design through to delivery Contribute to technical planning and Agile ceremonies Help improve engineering standards, documentation, testing practices, and development workflows Explore and promote responsible use of AI-assisted development tools where they can improve team effectiveness Success factors Delivers high-quality, maintainable code aligned with department standards Strong code review skills, with the ability to give clear, practical, and supportive feedback to other developers Demonstrates strong ownership of features, technical decisions, and outcomes Communicates clearly and confidently with both technical and non-technical stakeholders Proactively identifies risks, improvements, and opportunities Core skills Strong commercial experience with React and TypeScript in a production environment Strong understanding of JavaScript, HTML5, CSS/SCSS, responsive design, and browser behaviour Experience designing and building maintainable frontend applications at scale Experience integrating frontend applications with RESTful APIs Good understanding of frontend testing practices and tools such as Jest and React Testing Library Security-conscious approach to frontend development, including awareness of dependency risks, package integrity, and secure coding practices. A continual learning mindset and interest in improving both personal and team capability Breakdown Software development, including coding, testing, design, peer reviews, documentation, and technical leadership – 70% Sprint activities, including planning, stand-ups, retrospectives, backlog reviews, and technical refinement – 15% Mentoring, learning, knowledge sharing, and continuous improvement – 15% In-office days: Employees are expected to work from our office in Peterborough or Bracknell for three days each week. These in-office days are important for fostering team collaboration, face-to-face meetings, technical discussions and mentoring. Remote days: For the remaining two days of the week, employees have the flexibility to work remotely. #LI-AJ1 #LI-HYBRID About Epicor At Epicor, we’re truly a team. Join 5,000 talented professionals in creating a world of better business through data, AI, and cognitive ERP. We help businesses stay future-ready by connecting people, processes, and technology. From software engineers who command the latest AI technology to business development reps who help us seize new opportunities, the work we do matters. Together, Epicor employees are creating a more resilient global supply chain. We’re Proactive, Proud, Partners . Whatever your career journey, we’ll help you find the right path. Through our training courses, mentorship, and continuous support, you’ll get everything you need to thrive. At Epicor, your success is our success. And that success really matters, because we’re the essential partners for the world’s most essential businesses—the hardworking companies who make, move, and sell the things the world needs. Competitive Pay & Benefits Health and Wellness: Comprehensive health and wellness benefits designed to support your overall well-being. Internal Mobility: Opportunities for mentorship, continuing education, and focused career goal setting, with 25% of positions filled internally. Career Development: Free LinkedIn Learning licenses for everyone, along with our Mentoring Program to boost your personal development. Education Support: Geographically specific programs to balance the cost of education with the benefits of continued learning and personal development. Inclusive Workplace: Collaborate with a diverse team in an inclusive, global workplace that fosters innovation and celebrates partnership. Work-Life Balance: Policies built on mutual trust and support, encouraging time off to rest, recharge, and reconnect. Global Mobility: Comprehensive support for international relocations and permanent residency processes. Equal Opportunities and Accommodations Statement Epicor is committed to creating a workplace and global community where inclusion is valued; where you bring the whole and real you— that’s who we’re interested in. If you have interest in this or any role- but your experience doesn’t match every qualification of the job description, that’s okay- consider applying regardless. We are an equal-opportunity employer. Recruiter: Alena Jelinkova