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Senior Software Engineer - Reconciliation United Kingdom, London Jobs

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Senior Software Engineer
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Join Made Tech to use your software engineering skills for public good. As a Senior Software Engineer, you'll deliver impactful digital services across the UK government and NHS. This remote-friendly role requires agile experience, cloud platform knowledge, and eligibility for SC clearance. Enjoy...
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United Kingdom , Bristol; London; Manchester; Swansea
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50000.00 - 70000.00 GBP / Year
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Made Tech
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Senior Software Engineer
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Join Dalet as a Senior Software Engineer in London. Develop core C++ applications for media processing, transcoding, and rendering within a broadcast/film environment. Collaborate with talented teams in a dynamic, global company offering excellent career growth. Revolutionize media workflows in a...
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United Kingdom , London
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Dalet
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Senior Software Engineer
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Join TxODDS in London as a Senior Software Engineer. You will design scalable solutions using Scala, Kafka, and SQL, while championing simplicity and best practices. This strategic role involves mentoring, architectural decisions, and pioneering AI-assisted development for global sports betting t...
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United Kingdom , London
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TXODDS
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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 – Enterprise Platform
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Join Pynea as a Senior Software Engineer in London. Design and build secure, scalable enterprise workflows using TypeScript, GraphQL, and PostgreSQL. Leverage your AWS/GCP expertise to develop high-concurrency systems and ensure reliability. This contract role requires a self-directed professiona...
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United Kingdom , London
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Salt
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Senior Software Engineer
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Join a London-based startup revolutionizing sports data with real-time platforms. As a Senior Software Engineer, you'll design high-performance Go APIs and data pipelines. This remote/hybrid role offers equity, professional growth, and a collaborative, innovative environment.
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United Kingdom , London
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80000.00 GBP / Year
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Formula Recruitment
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Senior Software Engineer
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Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, and a passion for building secure, scalable systems. Enjoy comp...
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United Kingdom , London
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60000.00 - 120000.00 GBP / Year
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Oho Group Ltd
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Senior Software Engineer in Quality Engineering
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Lead quality engineering for microservices in London. Design and drive automation strategy for GraphQL/REST APIs using TypeScript/Go. Build CI/CD pipelines and shape quality culture in this greenfield role.
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United Kingdom , London
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Sotheby's
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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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Senior Software Engineer
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Join a world-class cybersecurity startup in London as a Senior Software Engineer. Shape architecture and drive technical decisions for a critical, high-impact product. Requires 5+ years' experience with Python, Java, C#, Rust, or Go, building scalable systems. Enjoy real ownership, competitive pa...
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United Kingdom , London
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60000.00 - 120000.00 GBP / Year
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Oho Group Ltd
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Senior Software Engineer
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Join our In-Car Payments Engineering team in London as a Senior Software Engineer. You will build secure, cloud-based transaction systems using TypeScript, Node.js, and AWS serverless technologies. This role requires PCI DSS expertise to develop and maintain our cutting-edge payment infrastructur...
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United Kingdom , London
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Parking Network B.V.
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Discover rewarding Senior Software Engineer jobs where technical mastery meets strategic impact. A Senior Software Engineer is a pivotal role in the technology industry, representing an experienced professional who designs, builds, and maintains complex software systems. These individuals are far beyond entry-level coding; they are responsible for architectural decisions, mentoring peers, and ensuring the delivery of high-quality, scalable, and performant applications that drive business value. Professionals in these jobs act as technical leaders within their teams, translating product vision into robust technical solutions and setting standards for engineering excellence. Typically, the common responsibilities of a Senior Software Engineer encompass the full software development lifecycle. This includes architecting system design, writing clean and efficient code, conducting thorough code reviews, and troubleshooting sophisticated technical issues. They own significant features or services from conception through deployment and monitoring. A key aspect of the role is collaboration, working closely with product managers, designers, and other engineers to refine requirements and align on solutions. Furthermore, they champion best practices in testing, security, and performance optimization, often integrating these principles into CI/CD pipelines. Mentorship is a fundamental duty, as they guide less experienced engineers and help elevate the entire team's capabilities. The typical skills and requirements for these positions are extensive. A strong foundation in computer science principles is essential. Expertise in one or more modern programming languages (such as JavaScript/TypeScript, Python, Java, C++, or Go) and relevant frameworks (like React, React Native, Node.js, or .NET) is expected. Senior engineers possess deep architectural fluency, understanding how to design systems for scalability, reliability, and maintainability. They are proficient with development tools, version control, and cloud platforms (AWS, Azure, GCP). Soft skills are equally critical: strategic communication, proactive problem-solving, and a performance-first mindset. Experience with agile methodologies, a commitment to continuous learning, and the ability to navigate trade-offs between speed, quality, and technical debt are hallmarks of a seasoned professional. Ultimately, Senior Software Engineer jobs are for those who seek to solve the most challenging problems, build foundational technology, and lead by example. It's a career path defined by continuous growth, ownership, and the tangible impact of one's work on products and users. If you are an engineer ready to take on greater technical leadership and architectural responsibility, exploring Senior Software Engineer opportunities is the next logical step.

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