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Software Development Engineer in Test

Riverlane

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Cambridge Full-time Posted October 31, 2026
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About the role

<p>&nbsp;</p> <p><span data-contrast="auto">Cambridge, UK | Full-time or Part-time | Permanent (or Temporary) | Hybrid</span><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-contrast="auto">Salary: £64,000 to £76,000, DOE </span><span data-ccp-props="{}">&nbsp;</span></p> <p><em><span data-contrast="none">The salary range for this role is broad, as we are able to consider varying levels of experience.&nbsp;&nbsp;Any offer made will carefully take into account level of experience (including relevant industry experience), transferable relevant skills and previous relevant achievements.</span></em></p> <p><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="auto">About us</span></strong><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-contrast="none">Riverlane’s&nbsp;mission is to master quantum error correction (QEC) and unlock a new age of human progress. From advances in material and climate science, to complex chemistry simulation for new drug design, quantum computers will help humanity solve some of its most important challenges. But without QEC, the industry’s defining technical challenge, such breakthroughs can never be achieved.&nbsp;&nbsp;Riverlane is the world leader in QEC technology. QEC is a complex problem that requires a range of skills,&nbsp;talent&nbsp;and passion.&nbsp;</span><span data-ccp-props="{&quot;201341983&quot;:0,&quot;335559740&quot;:276}">&nbsp;</span></p> <p><span class="TextRun SCXW243923852 BCX8" lang="EN-US" data-contrast="none"><span class="NormalTextRun SCXW243923852 BCX8">Having raised more than $125M in funding to date to accelerate our&nbsp;</span><span class="NormalTextRun SCXW243923852 BCX8">cutting-edge</span><span class="NormalTextRun SCXW243923852 BCX8">&nbsp;R&amp;D in quantum error correction (QEC), Riverlane partners with many of the world’s leading quantum hardware providers and government agencies to make fault-tolerant quantum computing a reality.&nbsp;</span><span class="NormalTextRun SCXW243923852 BCX8">We’re</span><span class="NormalTextRun SCXW243923852 BCX8">&nbsp;making remarkable progress and growing fast. </span></span><span class="EOP SCXW243923852 BCX8" data-ccp-props="{}">&nbsp;</span></p> <p><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="auto">About the role:&nbsp;</span></strong></p> <p><span data-contrast="auto">We’re looking for a Software Development Engineer in Test, to join our Test Engineering team in Cambridge. You’ll test Riverlane’s QEC software from end to end, across Deltakit (our open-source Python SDK), our compiler and Deltaflow (our real-time quantum error correction system).</span><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-contrast="auto">This role suits a developer with some experience in quantum, who wants to move towards testing. You’ll write and maintain tests, and you’ll also think like a user: does this feature behave the way a customer would expect, and could it be easier to use? What you learn will feed directly into how we improve the product.</span><span data-ccp-props="{}">&nbsp;</span></p> <p><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="auto">What you will do (</span></strong><strong><span data-contrast="none">specific responsibilities)</span></strong><span data-ccp-props="{}"> :</span><span data-ccp-props="{}">&nbsp;</span></p> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="1" data-aria-level="1"><span data-contrast="auto">Design, write and maintain Python tests (using pytest) across our QEC software stack, including Deltakit and the compiler front end</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="2" data-aria-level="1"><span data-contrast="auto">Test features from the customer’s point of view, and check that your tests reflect how users will actually work with the product</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="3" data-aria-level="1"><span data-contrast="auto">Spot where functionality could be clearer or easier to use, and propose improvements</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="4" data-aria-level="1"><span data-contrast="auto">Share findings with engineering and product teams, and follow your suggestions through to changes in the product</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="5" data-aria-level="1"><span data-contrast="auto">Work closely with developers to understand new features and plan how they should be tested</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <p><span data-ccp-props="{}">&nbsp;</span></p> <p><strong><span data-contrast="auto">What we need:</span></strong></p> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="6" data-aria-level="1"><span data-contrast="auto">Knowledge of quantum computation and core concepts such as quantum circuits. One relevant project or piece of experience is enough (for example, building and running circuits with a framework such as Qiskit)</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3" data-list-defn-props="{&quot;335552541&quot;:1,&quot;335559685&quot;:720,&quot;335559991&quot;:360,&quot;469769226&quot;:&quot;Symbol&quot;,&quot;469769242&quot;:[8226],&quot;469777803&quot;:&quot;left&quot;,&quot;469777804&quot;:&quot;&quot;,&quot;469777815&quot;:&quot;hybridMultilevel&quot;}" data-aria-posinset="7" data-aria-level="1"><span data-contrast="auto">Experience as a developer working on a product, either software or hardware, and an interest in moving towards test</span><span data-ccp-props="{}">&nbsp;</span></li> </ul> <ul> <li data-leveltext="" data-font="Symbol" data-listid="3"…

Skills

Engineering
Software Development Engineer in Test at Riverlane | DevCli