Senior Frontend Software Developer Remote (m/f/d) in Cambridge

We're looking for a Senior Front-End Software Engineer with a strong product mindset to help drive that growth. This is an opportunity to own end-to-end feature development at a leading-edge AI company, from shaping the user experience through to shipping and iterating based on real user feedback and analytics data. What you'll doOwn product features from ideation through to delivery, contributing to UX thinking, frontend execution, and post-launch iterationBuild polished, accessible user interfaces using React, JavaScript, HTML, and CSSMake UX and UI decisions independently, collaborating closely with designers and PMs rather than waiting on detailed handoffsDesign and run A/B tests to validate product decisions and surface insights that improve the user experienceUse analytics tooling such as Mixpanel to understand how people interact with the product and feed that learning back into what gets builtPartner with backend engineers, product managers, and designers to ship features that genuinely move the needle for users and the businessWrite and maintain robust UI tests, taking ownership of quality in production and at scaleRun user interviews and meet customers to understand how people use the product and what drives adoptionWhat you'll needProficiency in React, JavaScript, HTML, and CSS with a track record of shipping production-quality frontend codeA product-minded engineering approachComfort owning UX and UI decisions independentlyHands-on experience with iterative development practices, including A/B testing and feature experimentationFamiliarity with user analytics tools such as Mixpanel or a comparable platformExperience with UI testing frameworks and a solid grounding in frontend engineering best practicesConfidence collaborating cross-functionally with designers, PMs, and backend engineersA track record of using user feedback and data to improve featuresNice to haveExperience using coding agents (eg Claude, Codex, OpenCode) to improve productivity and code qualityExposure to backend development, including RESTful APIs and cloud deploymentsExperience conducting or participating in user interviews as part of a product discovery processWe encourage you to apply even if you do not feel you match all of the requirements exactly. The list of requirements is intended to show the kinds of experience and qualities we're looking for, but it is not exhaustive. Speechmatics is the leading expert in Speech Intelligence, and uses AI and Machine Learning to unlock business value in human speech worldwide. We work with an amazing mix of global companies, and our technology can integrate into our customers stack irrespective of their industry or use case – making it the go-to solution to harness useful information from speech. Joining us means working with some of the smartest minds around the world, focused on cutting-edge projects and deploying the latest techniques to disrupt the market. we'll do all we can to help you develop your skills and give you the tools you need to thrive. We have structured a hybrid approach that includes 2-3 designated office days each week. This arrangement ensures that while we embrace the advantages of remote work, we also maintain the vital connection and synergy that only in-person interactions can foster. No matter what stage of your career you're at - from paid internships and first-job opportunities through to management and senior positions - we'll support you with the training and development needed to reach your career aspirations with us. We offer incredibly flexible working, regular company lunches, and birthday celebrations. From Private Medical, and Dental for you and your family, through to global working opportunities, a generous holiday allowance and pension/401K matching, we want to make sure our employees and their families are looked after. Every employee will receive a working from home allowance for tech or home office equipment (on top of your choice of laptop and accessories of course). Our approach to parental leave is designed to support employees globally. While this varies by geo, we have support in place for parents (including adoption assistance and reproductive health services) to ensure they have the time and financial resources needed to care for their growing families. That's not just about our tech – it's the heart and soul of who we are. Our teams thrive in an environment that celebrates and supports everyone – no matter their gender, identity or expression, race, disability, age, sexual orientation, religion, belief, marital status, national origin, veteran status, pregnancy, or maternity status. But we don't just open the door to diversity – we actively welcome it. So, come as you are and join our Speechling community. We're building a place where every voice not only gets heard but is also respected and valued. For more information on us, please visit our website and follow Speechmatics on our social channels via Twitter, Facebook, LinkedIn, and YouTube. 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