Senior Full Stack Developer (React, Node.js, AWS)

Location: Northampton, UK; hybrid working with 2 days in the office

Salary: Very competitive, with bonus and benefits.

Company

A fast-growing financial technology organisation building scalable digital platforms that improve access to financial products.

What you will do

• Design, build, and maintain internal applications and web platforms for financial products and customer self-service.
• Own end-to-end delivery from architecture through deployment using React, Node.js, Python, and AWS.
• Integrate internal platforms with CRM systems and external partners through REST APIs.
• Implement CI/CD, version control, and testing frameworks to improve the development lifecycle.
• Collaborate with data and CRM teams on automation and analytics capabilities.
• Drive technical quality, security, performance, scalable coding practices, and early deployments within six months while mentoring developers.

Requirements

• At least 5 years of experience as a Full Stack Developer, including 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.
• Experience mentoring junior engineers.
• Ability to combine hands-on coding with technical decision-making and architecture planning.
• UK right to work is preferred; visa transfer may be considered only for exceptional UK-based or UK-experienced candidates.

Culture & Benefits

• Key engineering role in a scaling technology organisation, with influence over technical direction and engineering best practices.
• Hybrid working arrangement with two office days per week and a supportive, collaborative culture.
• Competitive bonus scheme and blue-chip benefits.
• Career development within a growing technology function.