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Senior Software Engineer - Search United Kingdom, London Jobs (Hybrid work)

26 Job Offers

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Senior Software Engineer II
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Lead the design and scaling of a planet-scale cloud control plane for global IoT fleets at Axon. This senior role requires 10+ years in distributed systems, deep expertise in Go, Kubernetes, and cloud-native security. Based in London, you'll directly impact public safety while enjoying a competit...
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United Kingdom , London
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Axon
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Senior Software Engineer in Test
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Join Axon's mission to protect life as a Senior SDET in London. You will architect test infrastructure and lead automation for mission-critical, AI-powered public safety platforms. This role requires 7+ years' experience in test automation, proficiency in languages like Python/Java, and expertise...
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United Kingdom , London
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Axon
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Senior Software Engineer – GTM Systems
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Join our London team as a Senior Software Engineer for GTM Systems. You will build scalable tools on Salesforce and Snowflake, using Python, SQL, and Apex. Translate business needs into technical solutions and mentor peers in a fast-growing startup. Enjoy competitive salary, equity, comprehensive...
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United Kingdom , London
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Intercom
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Senior Embedded Software Engineer
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Join a scaling Tech for Good company in London as a Senior Embedded Software Engineer. You will design and test firmware for embedded systems, using your 5+ years of C expertise in IoT and wireless communications. This hybrid role offers the chance to work on data-driven, AI-first solutions with ...
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United Kingdom , London
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100000.00 GBP / Year
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Formula Recruitment
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Senior Software Engineer - Java Full Stack, Futures Engineering
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Lead the development of a Cleared Derivatives back-office system in London. This senior Java Full Stack role requires 7+ years of back-end expertise, financial industry experience, and skills in microservices, Kafka, and Kubernetes. Contribute to ReactJS front-end and enjoy competitive compensati...
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United Kingdom , London
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Clear Street
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Senior Software Engineer – Backend
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Join a global payments leader in London, building resilient, event-driven backend systems at scale. We seek a Senior Java Engineer with deep distributed systems and cloud-native expertise. You'll design critical services for real-time financial flows, ensuring high performance and reliability. En...
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United Kingdom , London
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Orbis Consultants
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Are you searching for Senior Software Engineer jobs? This critical role represents the pinnacle of technical expertise and leadership within software development teams. Senior Software Engineers are seasoned professionals who architect, build, and maintain complex, scalable software systems that form the backbone of modern digital products and services. They move beyond simply writing code to owning entire technical domains, making high-stakes architectural decisions, and mentoring the next generation of engineering talent. In this profession, individuals typically engage in the full software development lifecycle, from conceptual design and system architecture to implementation, testing, deployment, and ongoing optimization. A core responsibility is translating high-level business requirements into robust, efficient, and maintainable technical solutions. They are expected to write clean, production-quality code while also designing the underlying frameworks and infrastructure that enable other developers to contribute effectively. Senior Engineers proactively identify technical debt, performance bottlenecks, and potential scalability issues, advocating for and implementing strategic improvements. Common responsibilities across Senior Software Engineer jobs include leading the technical direction for major features or entire product modules, conducting rigorous code reviews to ensure quality and knowledge sharing, and collaborating closely with product managers, designers, and other engineering teams to align on goals and execution. They are often the go-to experts for solving the most complex technical challenges, debugging intricate system-wide issues, and establishing best practices for coding, testing, and deployment. A significant part of the role involves elevating the entire team through mentorship, technical guidance, and fostering a culture of continuous learning and engineering excellence. Typical skills and requirements for these positions are extensive. Employers generally seek candidates with 5+ years of deep, hands-on experience in one or more core programming languages and technology stacks relevant to the domain, such as C++, Java, Python, JavaScript/TypeScript, or frameworks like React Native. Proficiency in system design, data structures, algorithms, and software architecture patterns is non-negotiable. Senior Engineers must possess strong expertise in relevant areas like cloud services (AWS, Azure, GCP), database design, API development, and DevOps practices including CI/CD pipelines. Equally important are the soft skills: exceptional problem-solving abilities, strategic communication to explain technical trade-offs to non-technical stakeholders, a proactive ownership mindset, and a proven track record of leading significant technical initiatives from conception to delivery. For those exploring Senior Software Engineer jobs, success hinges on this powerful combination of advanced technical mastery and influential leadership.

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