Principal Software Development Engineer in Test (SDET) at Capco

<p data-pm-slice="1 1 []"><strong>Principal Software Developer in Test (SDET)</strong></p> <p>Location: London (Hybrid) | Practice Area: Technology &amp; Engineering | Type: Permanent</p> <p><strong>Drive test automation innovation and engineering excellence in financial technology</strong></p> <p><strong>The Role</strong></p> <p>As a Principal SDET at Capco, you'll lead the strategy, architecture, and implementation of robust automation testing frameworks across financial services projects. You’ll work closely with cross-functional teams to deliver quality-first solutions using the latest tools and practices. You’ll also mentor engineers, foster best practices in test automation, and help shape our quality engineering capability.</p> <p><strong>What You’ll Do</strong></p> <ul data-spread="false"> <li> <p>Architect reusable, scalable test strategies and frameworks across web and mobile platforms</p> </li> <li> <p>Design, build, and maintain test automation scripts for UI, APIs, and services</p> </li> <li> <p>Integrate testing tools into CI/CD pipelines and manage cloud-based testing solutions</p> </li> <li> <p>Lead test data management, performance/load testing, and accessibility verification</p> </li> <li> <p>Mentor junior engineers and influence organisation-wide testing strategy and tooling</p> </li> </ul> <p><strong>What We’re Looking For</strong></p> <ul data-spread="false"> <li> <p>Strong experience in UI and mobile test automation using Selenium, WebDriver, Cucumber, or Robot</p> </li> <li> <p>Proficient in API testing (REST/SOAP) and tools like Postman or JMeter</p> </li> <li> <p>Experience with cloud-based test platforms such as BrowserStack, Sauce Labs, or Appium</p> </li> <li> <p>Solid understanding of test lifecycle tools such as Jira, Jenkins, GitHub, SonarQube</p> </li> <li> <p>Strong knowledge of HTML, JavaScript, CSS, ReST, JSON, and accessibility standards</p> </li> </ul> <p><strong>Bonus Points For</strong></p> <ul data-spread="false"> <li> <p>Development background and coding experience in Java, Ruby, or Python</p> </li> <li> <p>Load and performance testing experience using JMeter, LoadRunner, or Performance Center</p> </li> <li> <p>Cloud platform exposure (AWS, Azure, OpenShift, PCF)</p> </li> <li> <p>Experience with DevOps practices, Agile methodologies, and AAA accessibility standards</p> </li> <li> <p>Experience migrating on-premise systems to cloud ecosystems</p> </li> </ul> <p><strong>Why Join Capco</strong></p> <ul data-spread="false"> <li> <p>Deliver high-impact technology solutions for Tier 1 financial institutions</p> </li> <li> <p>Work in a collaborative, flat, and entrepreneurial consulting culture</p> </li> <li> <p>Access continuous learning, training, and industry certifications</p> </li> <li> <p>Be part of a team shaping the future of digital financial services</p> </li> <li> <p>Help shape the future of digital transformation across FS &amp; Energy.</p> </li> </ul> <p><strong>Benefits</strong>&nbsp;</p> <p><strong>We offer a competitive, people-first benefits package designed to support every aspect of your life:</strong></p> <ul> <li><strong>Core Benefits:&nbsp;</strong>Discretionary bonus, competitive pension, health insurance, life insurance and critical illness cover.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Mental Health:&nbsp;</strong>Easy access to CareFirst, Unmind, Aviva consultations, and in-house first aiders.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Family-Friendly:&nbsp;</strong>Maternity, adoption, shared parental leave, plus paid leave for sickness, pregnancy loss, fertility treatment, menopause, and bereavement.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Family Care:&nbsp;</strong>8 complimentary backup care sessions for emergency childcare or elder care.&nbsp;</li> </ul> <ul> <li><strong>Holiday Flexibility:&nbsp;</strong>5 weeks of annual leave with the option to buy or sell holiday days based on your needs.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Continuous Learning:&nbsp;&nbsp;</strong>Your growth, your way - minimum 40 hours of training annually. Take your pick; workshops, certifications, e-learning. Also, Business Coach assigned from Day One: Get one-on-one guidance to fast-track your goals and accelerate your development.<strong>&nbsp;</strong></li> </ul> <ul> <li><strong>Healthcare Access:&nbsp;</strong>Convenient online GP services.<strong>&nbsp;</strong></li> <li><strong>Extra Perks:&nbsp;</strong>Gympass(Wellhub), travel insurance, Tastecard, season ticket loans, Cycle to Work, and dental insurance.</li> </ul> <p><strong>Inclusion at Capco</strong></p> <p>We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day.</p> <p>#LI-DNI</p>