Mid-level Software Engineer

Build the future of Test Automation for Connected TV

Role

We're looking for a Mid-level Software Developer in Test to join our Quality Engineering team at FX Digital. This is a hands‑on role for a genuinely self‑driven engineer who cares deeply about the work they do and loves being part of a team. You'll take ownership of meaningful pieces of our automation platform, work closely with senior engineers, and start coaching more junior members of the team. The role involves extensive work with CI pipelines running on real Connected TV devices — no prior TV experience required, we'll teach you everything you need. The successful candidate will be based full‑time at our London office.

What We Offer

• A dynamic, fast‑paced environment where innovation is at the heart of everything we do.
• The opportunity to work on real‑world projects that impact Connected TV users across the globe.
• Ownership of substantial pieces of our automation platform.
• Structured mentoring from senior engineers, and the chance to mentor juniors and interns in turn.
• A platform to take your ideas from inception to implementation.
• Lab‑based work and continued investment in your learning and development.

About You

• You're a self‑starter. You take an idea, run with it, and check in when it's useful — not because you need someone to tell you what to do next.
• You genuinely care about the work you produce. 'Good enough' on your own output isn't good enough for you.
• You're passionate about teamwork. You enjoy pairing, reviewing, and getting the best out of the people around you.
• You have solid hands‑on experience in test automation and want to deepen it.
• You write clean, well‑documented code and care about quality — your own, and your team's.
• You're curious about new technologies and keen to work out where they fit.
• You like to build things and you're energised by seeing your work in production.
• You communicate clearly with engineers, product, and non‑technical stakeholders.

Responsibilities

• Design, build and maintain automation frameworks and tooling, with guidance from senior engineers on larger architectural decisions.
• Own pieces of our CI pipelines — configuring, maintaining, diagnosing and fixing issues.
• Contribute across the full test lifecycle: requirement analysis, test planning, execution, defect capture and reporting.
• Write and review code, upholding our quality and documentation standards.
• Investigate and triage failures, including intermittent ones, and drive them to resolution.
• Mentor junior engineers and interns through pairing, code review and informal coaching.
• Report and prioritise bugs; communicate clearly with internal and external stakeholders.
• Contribute to test strategy conversations on your projects.
• Research new tools, frameworks and approaches, and share what you learn with the team.

Qualifications

• 2+ years of professional experience in test automation, SDET or equivalent software engineering roles.
• Strong working knowledge of TypeScript and/or Python, and at least one modern test framework (Playwright, Cypress, WebdriverIO, or similar).
• Good understanding of Node.js and JavaScript, and comfort with bash scripting.
• Working knowledge of CI/CD principles and tools such as Docker, GitHub Actions / GitLab CI, or equivalent.
• Experience with Agile/Scrum development processes and associated tools (Jira).
• Solid documentation skills and the ability to explain technical concepts clearly.
• A track record of taking ownership of non‑trivial pieces of work and delivering them.

Desirable

• Experience with micro services.
• Some experience with performance, accessibility or security testing.
• Cloud platform experience (AWS, GCP, Azure).
• Prior experience mentoring junior engineers or interns.
• Experience with Infrastructure as Code (IaC) and configuration management tools such as Terraform, CloudFormation, or Ansible, enabling automated provisioning, configuration, and maintenance of scalable test environments.

Why Work at FX?

• Annual profit share distributed equally across all roles and departments.
• Pension contributions with Scottish Widows.
• Generous 35 days of annual leave, including bank holidays and Christmas office shutdown.
• Monthly one‑on‑one Sanctus mental health coaching session.
• Optional Vitality Health Insurance with discounted Apple Watch, cinema tickets, and Amazon Prime.
• Cycle‑to‑work scheme with up to 47% savings on a new bike.
• Flexi start time between 9am and 10am.
• Employee referral scheme.
• Regular appraisals for feedback and growth.
• Weekly dedicated training time for personal development.
• Collaborate with prestigious global brands in media, sports, and entertainment.
• We take great pride in our culture of acceptance, diversity and inclusion.
• Complete regular surveys to provide anonymous feedback on the business, leadership team and your role to ensure that we are doing everything we can to keep improving and making FX a great place to work.
• Join us at our monthly Show and Tell, where team members update us on what they've been working on.
• Get nominated for the monthly FX Factor by your peers and get recognised for your contribution to the business.
• Get a chance to earn a £20 voucher for high project NPS scores.
• MacBook Pro on your first day at FX

This is a full‑time role based out of our office in Old Street, London. We can only consider applicants who are able to work 5 days per week from the office.

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