Senior Full Stack Developer - Northampton

Salary: £60,000 - 70,000 per year

Requirements:

• 5+ years of experience as a Full Stack Developer with expertise in React and Node.js.
• Strong knowledge of AWS services, including Lambda, S3, EC2, and Redshift.
• Experience building and consuming APIs and integrating applications with CRM or data systems.
• Background in Agile software development and mentoring junior engineers.
• Ability to balance hands-on coding with technical decision-making and architecture planning.
• UK right to work preferred; visa transfer may be considered for exceptional UK-based or UK-experienced candidates only.

Responsibilities:

• Design, build, and maintain core internal applications and web platforms supporting new financial products and customer self-service solutions.
• Own end-to-end delivery from architecture through deployment.
• Architect and develop applications using React, Node.js, Python, and AWS.
• Integrate internal platforms with CRM and external partners via REST APIs.
• Implement CI/CD, version control, and testing frameworks to professionalise the development lifecycle.
• Collaborate with data and CRM teams to deliver automation and analytics capabilities.
• Drive technical quality, security, and performance across all builds.
• Mentor developers and help establish scalable code practices.
• Deliver early deployments within six months.

Technologies:

• AWS
• Lambda
• Redshift
• Architect
• CI/CD
• CRM
• EC2
• Python
• REST
• React
• Security
• Web
• NodeJS
• Cloud
• JavaScript
• Fullstack

More:

We are a fast-growing financial technology organisation building scalable digital platforms to transform how customers access financial products. Our 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. This is a senior, hands-on engineering role based in Northampton with a hybrid working model of two days in the office. We offer a competitive salary of £60,000 to £70,000 plus bonus and benefits, along with the opportunity to shape a modern platform, influence technical direction, and grow within a supportive, collaborative technology function.

last updated 31 week of 2026