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Staff Full Stack Engineer

Harnham - Data & Analytics Recruitment
Posted a day ago, valid for a month
Location

London, Greater London EC1R 0WX

Contract type

Full Time

In order to submit this application, a Reed account will be created for you. As such, in addition to applying for this job, you will be signed up to all Reed’s services as part of the process. By submitting this application, you agree to Reed’s Terms and Conditions and acknowledge that your personal data will be transferred to Reed and processed by them in accordance with their Privacy Policy.

Sonic Summary

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  • The position is for a Staff Full-Stack Developer at a high-growth SaaS company, offering a salary of up to £115,000 plus benefits.
  • This remote role is aimed at candidates with extensive experience in full-stack development, particularly with C#, ASP.NET Core, and modern frontend frameworks.
  • The developer will work closely with the CTO and CEO, focusing on building scalable features and shaping the platform's architecture.
  • Key responsibilities include designing and maintaining full-stack features, delivering high-performance code, and providing technical mentorship.
  • Candidates should be comfortable working autonomously in a fast-paced environment and have the ability to take ownership of features from concept to deployment.

Position: Staff Full-Stack DeveloperLocation: Remote (UK-based)Salary: Up to £115,000 + Benefits

We're partnering with a high-growth SaaS company, founded by proven entrepreneurs, to find an experienced Staff Full-Stack Developer. Their platform is reimagining how top-tier professional services firms, spanning finance, legal, and consulting-interact with data-rich, collaborative workflows.

Role Summary:

This is a senior, hands-on engineering role offering deep technical ownership without people management. You'll work closely with the CTO and CEO to build scalable features, shape architecture, and deliver cutting-edge solutions that drive real business impact. The right candidate will be an expert full-stack developer who thrives in fast-paced, product-driven environments.

Key Responsibilities:
  • Design, develop, and maintain full-stack features using C#, ASP.NET Core, TypeScript, and Vue.js (or React/Angular)

  • Take architectural ownership of key systems and applications

  • Deliver high-performance, secure, and maintainable code

  • Collaborate directly with leadership on mission-critical product initiatives

  • Contribute to strategic technical decisions and long-term platform evolution

  • Provide technical mentorship and champion engineering best practices

  • Stay adaptable to shifting priorities in a dynamic product environment

What We're Looking For:

Essential:

  • Extensive experience in full-stack development, including backend (C#, ASP.NET Core) and modern frontend frameworks

  • Strong command of SQL and API architecture

  • Proven ability to design, build, and ship complex systems

  • Comfortable working autonomously in a fast-moving SaaS environment

  • Ability to take technical ownership of features from concept to deployment

Desirable:

  • Experience with Azure and Docker

  • Knowledge of data visualisation tools or interactive diagramming platforms

  • Background in building enterprise SaaS products

  • Exposure to real-time interfaces or AI-enhanced UIs

Apply now in a few quick clicks

In order to submit this application, a Reed account will be created for you. As such, in addition to applying for this job, you will be signed up to all Reed’s services as part of the process. By submitting this application, you agree to Reed’s Terms and Conditions and acknowledge that your personal data will be transferred to Reed and processed by them in accordance with their Privacy Policy.