Senior Software Engineer (Fullstack)

Design, develop, test, and deploy high quality software solutions that meet business needs Work closely with colleagues across disciplines to capture requirements, analyse technical feasibility, and translate them into engineering solutions Lead the development and implementation of complex frontend and backend applications Maintain high standards of code quality, architecture, and documentation Participate in code reviews and provide constructive, actionable feedback to peers Take ownership of debugging, root cause analysis, and resolution of production incidents Mentor and coach junior engineers, fostering a culture of engineering excellence, learning, and continuous improvement Extensive experience as a Senior Software Engineer or in a similar role Deep understanding of modern software engineering principles with experience building highly observable, scalable, and distributed systems Advanced proficiency in React , including: + State management using Context API and Redux + Microfrontend architectures + Component design patterns and performance optimisation + Testing with Jest and React Testing Library Strong backend development experience with Node.js/Express , including: + Microservices architecture + Event driven systems + Pub/Sub or Kafka + API design and integration patterns Solid system design knowledge, including: + Caching strategies (e.g., Redis ) + Scalability, reliability, and performance considerations Hands on experience with cloud native architecture and containerisation (e.g., Kubernetes, Docker) Strong understanding of Agile principles and practices (Scrum, Jira) Thorough knowledge of software testing methodologies and best practices Excellent problem solving and analytical thinking skills Strong collaboration, communication, and relationship building abilities Awareness of emerging trends and technologies such as Generative AI , Large Language Models , and Agentic Architecture / AI Agents Understanding of networking fundamentals across cloud and on premise environment A generous pension contribution of up to 15% An annual bonus award, subject to Group performance Share schemes including free shares Benefits you can adapt to your lifestyle, such as discounted shopping 30 days' holiday, with bank holidays on top A range of wellbeing initiatives and generous parental leave policiesWith 320 years under our belt, we're used to change, and today is no different. Join us and help drive this change, shaping the future of finance whilst working at pace to deliver for our customers.Here, you'll do the best work of your career. Your impact will be amplified by our scale as you learn and develop, gaining skills for the future.