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Senior software developer United Kingdom Jobs (Hybrid work)

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Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. Leverage your expertise in AWS, PostgreSQL, and CI/CD to shape the future of financial automation. Enjoy great benefits, including ...
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United Kingdom , London
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70000.00 - 95000.00 GBP / Year
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Xelix
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Until further notice
Senior Python Software Developer - Backend
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Join Xelix as a Senior Python Backend Developer in London. Build robust, scalable solutions using Python, Django, and AWS for AI-driven financial platforms. Enjoy hybrid work, private medical cover, and a dog-friendly office. Shape intelligent workflows with a talented team.
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United Kingdom , London
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70000.00 - 80000.00 GBP / Year
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Xelix
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Until further notice
Senior Software Engineer, Python (Tools Development)
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Join Roku's software automation team in Cambridge as a Senior Python Engineer. Develop and enhance E2E test automation frameworks and web-based tools for embedded devices. Leverage your expertise in Python, React, CI/CD, and cloud technologies. Enjoy comprehensive benefits and support in a dynami...
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United Kingdom , Cambridge
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Not provided
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Roku
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Until further notice
Senior Software Developer
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Join a leading UK tech firm as a Senior Software Developer, enhancing a large-scale SIP/VoIP platform. Leverage your 5+ years of Python and SIP protocol expertise to build secure, real-time communications systems. Enjoy a hybrid role with benefits like private medical insurance and a generous hol...
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United Kingdom
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65000.00 GBP / Year
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Dynamic Search Solutions
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Until further notice
Senior Software Developer
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Join a leading UK tech firm as a Senior Software Developer, enhancing a large-scale SIP/VoIP platform. Leverage your 5+ years of Python and SIP protocol expertise to build secure, real-time communications systems. Enjoy a hybrid role with private medical insurance, pension, and 24 days' leave.
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United Kingdom
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65000.00 GBP / Year
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Dynamic Search Solutions
Expiration Date
Until further notice
Senior Backend Software Developer - Python/Django
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Join Xelix, a fast-growing AI fintech scale-up, as a Senior Backend Developer. You will build robust, scalable Python/Django solutions and REST APIs in a hybrid London role. We seek 4+ years of Python/Django experience with AWS and CI/CD tools. Enjoy great benefits, a dog-friendly office, and a h...
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United Kingdom , London
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Salary
70000.00 - 80000.00 GBP / Year
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Xelix
Expiration Date
Until further notice
Explore senior software developer jobs and discover a pivotal career at the intersection of deep technical expertise and strategic leadership. A senior software developer is far more than just an experienced coder; they are a cornerstone of the engineering team, responsible for designing robust systems, guiding technical direction, and mentoring less experienced colleagues. This role typically involves taking ownership of significant components or entire applications, ensuring they are scalable, maintainable, and aligned with business objectives. Professionals in these roles generally shoulder a comprehensive set of responsibilities. They architect and implement complex software solutions, making critical decisions on technologies, frameworks, and design patterns. A key duty is writing high-quality, efficient, and secure code while establishing and enforcing coding standards and best practices across the team. They lead the full software development lifecycle, from requirement analysis and system design through to deployment, monitoring, and iterative enhancement. Collaboration is central, as they frequently liaise with product managers, business stakeholders, and other engineering teams to translate business needs into technical specifications. Furthermore, senior developers are expected to troubleshoot and debug intricate system issues, optimize application performance, and proactively advocate for process and technological improvements. Mentoring junior and mid-level developers, conducting code reviews, and contributing to a culture of continuous learning are also hallmarks of the position. The typical skill set for senior software developer jobs is both broad and deep. Mastery of one or more core programming languages (such as Java, C#, Python, JavaScript, or Go) and their associated ecosystems is fundamental. Equally important is a strong grasp of software architecture principles, including microservices, domain-driven design, and API design (REST, GraphQL). Experience with modern development practices like Agile/Scrum, DevOps, CI/CD pipelines, and cloud platforms (AWS, Azure, GCP) is commonly required. Proficiency with database technologies, both relational and non-relational, and knowledge of containerization tools like Docker and Kubernetes are standard expectations. Beyond technical prowess, successful senior developers possess exceptional problem-solving abilities, effective communication skills for explaining complex concepts to diverse audiences, and strong project management capabilities to drive initiatives to completion. While requirements vary, most positions seek candidates with a bachelor’s degree in computer science or a related field (or equivalent experience) and a minimum of 5-8 years of progressive hands-on development experience, including demonstrable leadership in technical projects. Ultimately, senior software developer jobs represent an opportunity to have an outsized impact on a company's technology and product trajectory. It is a career path for those who are passionate about building excellent software, leading by example, and driving innovation from within the engineering organization.

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