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Senior Software Engineer, Front-End or Full Stack United Kingdom Jobs (On-site work)

8 Job Offers

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Senior Full-Stack Software Engineer
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Join our London team as a Senior Full-Stack Engineer. Drive innovation using Go, Python, and React within a product-focused, agile environment. Enjoy a hybrid model, 27 days leave, bonus, and comprehensive benefits while revolutionizing controls management.
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United Kingdom , London
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Not provided
https://www.citi.com/ Logo
Citi
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Until further notice
Senior Full Stack Java Developer
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Join Citi's FX Data Analytics & AI team in London as a Senior Full Stack Java Developer. Engineer robust, scalable data pipelines using Java, Spark, and cloud-native technologies within a dynamic trading environment. This role offers a competitive package including bonus, private medical care, an...
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United Kingdom , London
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Citi
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Until further notice
Full Stack Developer
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Join our team in Belfast as a Full Stack Developer. You will design and build robust applications using Java, Spring Boot, and modern CI/CD tools like Tekton on OpenShift. This role focuses on DevOps automation and enhancing the developer experience within an agile environment. We offer a competi...
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United Kingdom , Belfast
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Citi
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Until further notice
Software Engineer, Full Stack - Swaps Platform
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Join our London team as a Full Stack Software Engineer to build the mission-critical Total Return Swaps platform. Utilize Java, Spring Boot, React, and microservices to solve complex problems for hedge funds and traders. We offer competitive compensation, equity, and comprehensive benefits in a h...
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United Kingdom , London
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Clear Street
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Senior Full Stack Developer
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Join our Manchester-based Tech team as a Senior Full Stack Developer. You will build and optimize Shopify e-commerce platforms using your expertise in Liquid, Node.js, JavaScript, and AWS Lambda. Enjoy a collaborative culture, flexible hours, a 40% staff discount, and comprehensive benefits. Leve...
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United Kingdom , Manchester
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Not provided
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Club L London
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Until further notice
Frontend-leaning full-stack engineer
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Join a leading European AI startup in London, redefining legal tech. As a frontend-leaning full-stack engineer, you'll craft novel, human-centric UIs with React/TypeScript and work across Python/Postgres. We seek deep frontend expertise, a strong UX sense, and comfort in a fast-paced, high-owners...
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United Kingdom , London
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150000.00 GBP / Year
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Arrows Groupe
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Backend-leaning Full-stack Engineer
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Join a high-growth AI startup in London as a Backend-leaning Full-stack Engineer. Build scalable backend infrastructure and data pipelines from scratch using Python and PostgreSQL. Enjoy greenfield product work, equity, and full visa sponsorship with relocation support.
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United Kingdom , London
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150000.00 GBP / Year
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Arrows Groupe
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Full stack C# / Angular Developer
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Join a leading Hedge Fund in London as a Full Stack C# / Angular Developer. You will enhance real-time trading systems and data warehousing, migrating services to a Microsoft Orleans platform. Strong C#, Angular, and financial instruments knowledge (Bonds, Equities) is required. Contribute to mod...
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United Kingdom , London
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80000.00 - 90000.00 GBP / Year
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Morson Talent
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Until further notice
Explore senior-level opportunities in cutting-edge technology with our curated list of Senior Software Engineer, Front-End or Full Stack jobs. These roles represent the pinnacle of web and application development, where seasoned professionals architect, build, and maintain the sophisticated digital products that power modern businesses and user experiences. Senior engineers in these domains are technical leaders, responsible for the entire software development lifecycle, from conceptualization and design to deployment, optimization, and ongoing iteration. They bridge the gap between complex business requirements and elegant technical solutions, ensuring systems are scalable, maintainable, and deliver exceptional user value. A Senior Front-End Engineer specializes in crafting the client-side layer that users directly interact with. Their core mission is to build intuitive, responsive, and high-performance user interfaces. Typical responsibilities include translating design mockups into functional, accessible code using frameworks like React, Angular, or Vue.js; optimizing applications for maximum speed and scalability; ensuring cross-browser compatibility; and implementing robust state management. They are deeply proficient in JavaScript/TypeScript, HTML, CSS, and modern build tools, with a keen eye for UX/UI principles and front-end performance metrics. A Senior Full Stack Engineer possesses mastery across both the front-end and back-end spectrum. They design and develop complete applications, handling everything from user-facing components to server-side logic, databases, and APIs. Common duties involve architecting overall system design, developing RESTful or GraphQL APIs, designing data models, writing server-side code in languages like Node.js, Python, or Java, and integrating with various data storage solutions. They ensure the seamless flow of data and functionality between the client and server, making critical decisions on technology stacks and infrastructure considerations. Typical skills and requirements for these senior roles extend beyond pure coding. Employers seek professionals with 5+ years of experience demonstrating a proven track record of shipping complex products. Expertise in modern frameworks and languages is a given, but equal emphasis is placed on software architecture, system design, and the ability to make long-term technical decisions. Strong collaboration skills are essential, as these engineers frequently work with product managers, designers, and other stakeholders to define requirements and translate them into technical specs. Leadership qualities such as mentoring junior developers, conducting code reviews, advocating for best practices, and driving technical excellence within a team are hallmarks of the position. A proactive problem-solving mindset, the ability to work in ambiguous environments, and a product-focused obsession with quality, performance, and user experience are the defining traits of successful candidates. Discover your next career-defining challenge by browsing our comprehensive selection of Senior Software Engineer, Front-End or Full Stack jobs today.

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