Senior Software Engineer

Company: Whatsoninsheffield
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Job Description:

Software Engineer | Python-First | AI SaaS | Up to £90k | Remote or Hybrid (UK)

We’re working with one of the fastest-growing B2B SaaS companies in Europe, recognised by both the Financial Times and Sunday Times as a standout place to work in 2025.

They’re building genuinely useful AI and automation products for people-intensive industries, and the engineering team is one of the most thoughtful I’ve come across at this stage. High standards, no ego, and real ownership culture.

The role in a nutshell

You’ll be working across the stack, Python backend primarily with some frontend (Svelte/jQuery), building features end to end and genuinely owning your work from design through to deployment. This isn’t a ticket factory environment. They want engineers who think about why something is being built, not just how.

Fit

  • Solid Python backend experience in a startup or scale up
  • Care about code quality and long term maintainability (not just shipping)
  • Work well across product, QA, and engineering without needing hand holding
  • Any exposure to LLMs, AWS, or third party API integrations (a bonus, not a must)

What’s on offer

  • Up to £90k
  • Private health/dental/vision (Aviva)
  • Remote or hybrid working
  • 25 days leave
  • Regular hackathonsA team that actually invests in your growth

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Posted: May 31st, 2026