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Principal Software Development Engineer in Test (SDET)

capco
RemoteRemotefull_timePosted 15 Sept 2026

About the role

<h1 class="PDq2pG_selectionAnchorContainer" data-section-id="h84vgb" data-start="216" data-end="261"><span style="font-size: 12pt;">Principal Software Developer in Test (SDET)</span></h1> <p data-start="263" data-end="360"><strong data-start="263" data-end="276">Location:</strong> London (Hybrid) | <strong data-start="295" data-end="313">Practice Area:</strong> Technology &amp; Engineering | <strong data-start="341" data-end="350">Type:</strong> Permanent</p> <p data-start="362" data-end="449"><strong data-start="362" data-end="449">Drive test automation innovation and engineering excellence in financial technology</strong></p> <h2 data-section-id="1hl1yo8" data-start="451" data-end="466"><span style="font-size: 12pt;"><strong data-start="454" data-end="466">The Role</strong></span></h2> <p data-start="468" data-end="1223">As a <strong data-start="473" data-end="520">Principal Software Developer in Test (SDET)</strong> at Capco, you'll lead the strategy, architecture, and implementation of robust test automation frameworks across financial services projects. You'll work closely with cross-functional teams to deliver quality-first engineering solutions using modern testing tools and practices. You'll also mentor engineers, foster best practices in quality engineering, and help shape Capco's automation testing capability. You'll champion AI-enabled ways of working, encouraging the responsible use of approved AI and automation tools to improve engineering productivity, accelerate test delivery, and enhance software quality while ensuring appropriate governance, human oversight, and responsible AI practices.</p> <h2 data-section-id="1xihhvk" data-start="1225" data-end="1246"><span style="font-size: 12pt;"><strong data-start="1228" data-end="1246">What You'll Do</strong></span></h2> <ul data-start="1248" data-end="2079"> <li data-section-id="u69nbz" data-start="1248" data-end="1465">Architect reusable, scalable test automation strategies and frameworks across web, mobile, and <em class="Highlight ht233d6209-1330-41b6-a261-eee046307807">API</em> platforms, applying AI-enabled engineering approaches where appropriate to improve efficiency and test coverage.</li> <li data-section-id="1xaof9n" data-start="1466" data-end="1598">Design, build, and maintain automated test suites for user interfa

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Company

capco

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