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Date Added: Fri 27/02/2026

Senior Software Engineer

Cardiff, UK
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Company: HARNHAM - DATA & ANALYTICS RECRUITMENT

Job Type: Permanent, FullTime

Salary: £70,000 - £75,000 per annum, Inc benefits

Senior Software Engineer

Salary: Up to £75,000

Hybrid - 2 days a week in office (London/Brighton/Cardiff)

Why join us?We work at the intersection of creativity, data, and cutting-edge technology to turn ideas into measurable impact. Our strength comes from diverse perspectives, collaborative teams, and a culture that puts people first. Backed by a global media and content network, we build tools that reach real audiences at scale.

The roleAs a Senior Software Engineer, you'll design and build high-impact tools, automation, and platforms used across global media, SEO, paid media, and content teams. You'll own solutions end-to-end, driving innovation, performance, and reliability.

Hybrid: 2 days per week in the Cardiff office

What you'll do

  • Design, build, and ship innovative tools, apps, and automation
  • Deliver reliable, scalable solutions that solve real business problems
  • Champion engineering best practices (CI/CD, testing, documentation)
  • Work with cloud platforms and internal/external APIs
  • Integrate data from multiple sources into insightful tools and dashboards
  • Communicate clearly with technical and non-technical stakeholders
  • Contribute to the evolution of a proprietary media technology platform

What we're looking for

  • Experience delivering greenfield or early-stage products
  • Strong skills in JavaScript/TypeScript, Python, or similar
  • Cloud experience (GCP preferred), including serverless development
  • Solid SQL and data warehouse experience (e.g. BigQuery)
  • Experience with automation and modern front-end frameworks (e.g. React)
  • Exposure to AI-powered tools, agents, or workflows is a plus
  • Clear communicator, self-starter, and creative problem solver

BenefitsFlexible working, wellbeing allowance, enhanced parental pay, charity & study days, life assurance, and more.

Location & eligibilityUK-based role. Right to work in the UK required (no visa sponsorship available).

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