Senior Full Stack Engineer (React/Node) – £80-100k

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Senior Full Stack Engineer – £80-100k – 3 days a week in Central London

We’re working with a fast-growing SaaS company building tools that support modern organisations at scale. The product focuses on simplifying complex internal processes through thoughtful design, flexibility, and seamless integrations with widely used workplace platforms. This is an opportunity to join an early‑stage, well‑funded team where engineering plays a central role in shaping both the product and the company’s direction.

What you’ll be doing

  • Owning features from early definition through to production release
  • Building and maintaining end-to-end functionality across the stack
  • Supporting architectural decisions as the platform scales
  • Working closely with product, design, and commercial teams

What they’re looking for

  • 5+ years experience as a full stack engineer, ideally within a SaaS environment
  • Confidence working as an individual contributor with leadership impact
  • Experience collaborating closely with designers and product teams
  • A quality-driven mindset with attention to detail

What’s on offer

  • £80-100k salary + Equity
  • Comprehensive health and dental cover

If you’re a Fullstack Engineer (React/Node.js) looking to work in a fast-paced start-up. Please apply.

#J-18808-Ljbffr”, “datePosted”: “2026-05-20”, “hiringOrganization”: { “@type”: “Organization”, “name”: “Oliver Bernard”, “sameAs”: “https://uk.whatjobs.com/pub_api__cpl__436846504__4861?utm_campaign=publisher&utm_medium=api&utm_source=4861&geoID=299” }, “jobLocation”: { “@type”: “Place”, “address”: { “@type”: “PostalAddress”, “addressLocality”: “London” } } }
Company: Oliver Bernard
Apply for the Senior Full Stack Engineer (React/Node) – £80-100k
Location: London
Job Description:

Senior Full Stack Engineer – £80-100k – 3 days a week in Central London

We’re working with a fast-growing SaaS company building tools that support modern organisations at scale. The product focuses on simplifying complex internal processes through thoughtful design, flexibility, and seamless integrations with widely used workplace platforms. This is an opportunity to join an early‑stage, well‑funded team where engineering plays a central role in shaping both the product and the company’s direction.

What you’ll be doing

  • Owning features from early definition through to production release
  • Building and maintaining end-to-end functionality across the stack
  • Supporting architectural decisions as the platform scales
  • Working closely with product, design, and commercial teams

What they’re looking for

  • 5+ years experience as a full stack engineer, ideally within a SaaS environment
  • Confidence working as an individual contributor with leadership impact
  • Experience collaborating closely with designers and product teams
  • A quality-driven mindset with attention to detail

What’s on offer

  • £80-100k salary + Equity
  • Comprehensive health and dental cover

If you’re a Fullstack Engineer (React/Node.js) looking to work in a fast-paced start-up. Please apply.

#J-18808-Ljbffr…

Posted: May 20th, 2026