SENIOR FULL STACK DEVELOPER Location: Northampton Hybrid (2 days office) Salary: - + Bonus + Benefits About the Company - Modern Technology in Financial Services A fast-growing financial technology organisation building scalable digital platforms to transform how customers access financial products. Its development team is expanding to deliver new customer journeys, data-driven automation and seamless system integration through a modern React, Node.js, Python and AWS stack interfacing with Zoho CRM. The Role - Hands-On Engineering and Technical Leadership The Senior Full Stack Developer will design, build and maintain core internal applications and web platforms supporting new financial products and customer self-service solutions. You''ll own end-to-end delivery from architecture through deployment and introduce modern engineering standards across the team. Key Responsibilities Architect and develop applications using React, Node.js, Python and AWS (Lambda, S3, Redshift). Integrate internal platforms with CRM and external partners via REST APIs. Implement CI/CD, version control and testing frameworks to professionalise the development lifecycle. Success will be measured by establishing scalable code practices, mentoring developers and delivering early deployments within six months. Collaborate with data and CRM teams to deliver automation and analytics capabilities. Drive technical quality, security and performance across all builds. Candidate Profile 5 + years as a Full Sta