Full Stack Engineer | Kernel

Full Stack Engineer Job in UK 2025 (£120,000 to £200,000) | Kernel

Are you ready to make a significant impact in the tech world? Kernel is looking for a Full Stack Engineer to join its dynamic team in London, England. This role offers an exceptional chance to influence product development and work with cutting‑edge technologies while enjoying a competitive salary.

As a Full Stack Engineer at Kernel, you will be responsible for enhancing and managing back‑end infrastructure. You will play a crucial role in scaling the company’s AWS and Kubernetes stacks. This position is ideal for someone who thrives in a fast‑paced, startup environment and who enjoys taking initiative to solve complex problems.

Kernel is a forward‑thinking company focused on enhancing revenue teams’ efficiency. Based in London, Kernel has quickly partnered with leading organizations like  and GoCardless. The firm’s mission is to enable teams to conduct thorough research effortlessly. With over $5 million raised from top investors, Kernel is positioned for rapid growth in the tech industry.

In this role, you will:

• Own Back‑End Infrastructure
  :
  Manage AWS services and workflow automation to support scalability.
• Collaborate with Teams
  :
  Work closely with product and engineering teams to meet project goals.
• Rapidly Ship Features
  :
  Deliver features efficiently to both users and internal teams.
• Evaluate Systems
  :
  Continually assess code and infrastructure for improvements and optimizations.
• Automate Processes
  :
  Identify manual processes and implement automation solutions.
• Provide Feedback
  :
  Share insights on roadmaps and suggest potential solutions for challenges.

To succeed as a Full Stack Engineer, candidates should have:

• Experience
  :
  At least 6 years in software engineering, particularly in a startup environment.
• Technical Skills
  :
  Proficiency in back‑end technologies, especially AWS, Kubernetes, NodeJS, and Typescript.
• Data Handling
  :
  Experience managing large datasets and a solid understanding of database technologies.
• Team Collaboration
  :
  Ability to work independently in a small team while adapting to changing priorities.

• Familiarity with large language models (LLMs) and prompt engineering.
• Some front‑end experience using tools like NextJS and Tailwind.

In summary, the Full Stack Engineer role at Kernel presents a thrilling opportunity for tech enthusiasts eager to innovate in a high‑growth environment. Kernel values its employees and fosters professional growth. If you’re excited about making a difference and shaping a product‑focused startup, apply today and join the Kernel team!