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Senior Engineer United Kingdom, London Jobs (Hybrid work)

208 Job Offers

Senior ServiceNow Engineer
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Senior ServiceNow Engineer sought for a hands-on role in Greater London, UK, building scalable global platform solutions. You will leverage 5+ years of ServiceNow expertise, including Service Portal, AngularJS, and REST/SOAP APIs, within an Agile environment. Key responsibilities include developi...
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Location
United Kingdom, Greater London
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Salary
700.00 GBP / Day
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Outsource UK
Expiration Date
Until further notice
Senior Java Automation Engineer, FX eTrading
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Senior Automation Engineer, FX eTrading – London. Own backend automation strategy and release quality for critical trading systems. Requires strong Java skills, expertise in server-side and integration testing, and experience in financial services or low-latency environments. Benefits include 27 ...
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Not provided
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Citi
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Until further notice
Senior Software Platform Engineer
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Senior Software Platform Engineer sought by a top growth investment firm in London. You'll build a modern, AI-first internal platform, working across software and infrastructure with Python and GCP. This role offers high ownership, mentoring junior engineers, and contributing to agentic AI workfl...
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120000.00 - 140000.00 GBP / Year
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Arrows Groupe
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Until further notice
Principal AI Software Engineer, Senior Vice President
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Principal AI Software Engineer, SVP role in London. Architect scalable backend systems for advanced AI tools, leveraging expert Python, FastAPI, and Generative AI frameworks like LangChain. Requires deep ML knowledge and full lifecycle ownership. C++ expertise is a bonus. Benefits include 27+ day...
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Citi
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Until further notice
Senior Backend Python Engineer - AI Platform
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Senior Backend Python Engineer sought to architect scalable backend systems for a global financial institution’s AI Platform in London. You will design and deploy production-grade code using FastAPI, Kubernetes, and CI/CD, focusing on knowledge graph automation in Credit Risk. Requires deep Pytho...
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Citi
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Until further notice
Senior AI Engineer
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Senior AI Engineer sought to lead enterprise‑grade AI and generative AI solutions in London. You will design scalable systems using Python, Azure AI, LLMs, and RAG architectures, while owning MLOps/GenAIOps practices. This role demands strong technical leadership, mentoring, and collaboration in ...
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LegalAndGeneral
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Until further notice
Senior Ruby On Rails Engineer
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Senior Ruby on Rails Engineer sought for a hands-on technical leadership role in London, building scalable B2B SaaS platforms. You will own backend architecture, optimize high-volume transactional workflows, and mentor a team. Key requirements include deep Rails, PostgreSQL, Redis, Sidekiq, and A...
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Not provided
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Fynity
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Until further notice
Full Stack Engineer - AI Enabled – Senior Vice President
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Senior Vice President Full Stack Engineer sought by Citi in London to lead AI-enabled enterprise solutions. This role demands deep expertise in Java, Angular, microservices, and event-driven architectures (Kafka). You will design intelligent agents using agentic AI, driving digital transformation...
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Not provided
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Citi
Expiration Date
Until further notice

About the Senior Engineer role

Senior Engineer jobs represent the pinnacle of technical expertise and leadership within the engineering field. These roles are designed for seasoned professionals who possess deep, specialized knowledge and are entrusted with guiding complex projects, making high-stakes architectural decisions, and mentoring the next generation of talent. Unlike entry or mid-level positions, senior engineers are expected to operate with significant autonomy, translating broad business objectives into robust, scalable, and innovative technical solutions. They serve as the critical bridge between strategic vision and practical execution, ensuring that engineering outcomes align with long-term organizational goals.

Professionals in these roles typically shoulder a comprehensive set of responsibilities that extend beyond pure coding. A core duty is systems architecture and design, where they define the technical blueprint for major initiatives, selecting appropriate technologies and frameworks to ensure performance, security, and maintainability. They are deeply involved in solving the most challenging and ambiguous problems, applying advanced analytical skills to diagnose issues and devise elegant solutions. Leadership is a fundamental aspect, encompassing code and design reviews, technical mentorship for junior team members, and fostering a culture of engineering excellence and continuous improvement. Furthermore, senior engineers often own the entire lifecycle of critical system components, from conception and development through deployment, monitoring, and iterative enhancement.

The typical skill set for senior engineer jobs is both broad and deep. Mastery in one or more programming languages and relevant technology stacks is a given. However, what truly distinguishes a senior engineer is their proficiency in architectural patterns, such as microservices or event-driven design, and a strong grasp of cross-cutting concerns like security, scalability, and observability. They are expected to have extensive experience with modern development practices, including DevOps principles, CI/CD pipelines, infrastructure as code, and automated testing strategies. Equally important are the soft skills: exceptional communication to articulate complex ideas to technical and non-technical stakeholders, strategic thinking to anticipate future challenges, and a collaborative mindset to work effectively across multidisciplinary teams. A proven track record of driving projects to successful completion and a mindset geared towards innovation and efficiency are common requirements.

Ultimately, senior engineer jobs are for those who are not just builders but visionaries and stewards of technology. They play a crucial role in shaping the technical direction of products and services, mitigating risk, and ensuring that engineering practices evolve to meet emerging demands. For organizations, hiring for these positions is an investment in stability, innovation, and sustained competitive advantage. For engineers, these roles offer the opportunity to have an outsized impact, lead transformative work, and define the future of technology within their domain.