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Senior Engineer United Kingdom, London Jobs (On-site work)

57 Job Offers

Senior Data Engineer
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Senior Data Engineer sought by a leading global hedge fund for their London Reporting & Analytics team. This role blends software engineering, data engineering, and database architecture to build business-critical platforms for P&L, risk, and treasury. You need 5+ years of experience, expert SQL,...
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Orbis Consultants
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Senior Python Engineer
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Senior Python Engineer sought by a high-performing global team in London to build scalable backend platforms for trading, risk, and data workflows. You will develop robust APIs and data pipelines using FastAPI, Django, and Pandas/NumPy within a fast-paced financial environment. Strong SQL skills ...
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130000.00 GBP / Year
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Hunter Bond
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Senior Infrastructure Engineer
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Senior Infrastructure Engineer sought for a London-based role. You will lead enterprise infrastructure strategy, design, and lifecycle management, acting as the primary technical liaison with MSP partners. Requires 7+ years of infrastructure experience, 3+ years in cloud engineering, and expertis...
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360 Resourcing Solutions
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Senior Infrastructure Engineer
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360 Resourcing Solutions
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Senior Platform Engineer
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Senior Platform Engineer sought to build cloud-native platforms powering the UK’s digital transformation. Leverage AWS, Terraform, and CI/CD to deliver resilient, large-scale public services. Ideal for engineers passionate about automation, containerisation, and scripting (Python, Go, Ruby). Join...
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75000.00 - 90000.00 GBP / Year
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Linux Recruit
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Senior Completions Engineer
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Senior Completions Engineer role in London, UK, leading technically complex completion design for global wells. Requires deep expertise in gravel pack completions, WellCat, and Prosper. Drive standardised solutions, support major projects, and mentor teams. Join a collaborative environment focuse...
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Airswift Sweden
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Senior Azure Platform & DevOps Engineer
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Senior Azure Platform & DevOps Engineer sought to lead cloud transformation in London. This role demands deep expertise in Azure Kubernetes Service (AKS), Azure networking, and PowerShell automation. You will migrate Windows Server workloads and optimise production environments. Join a team moder...
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Apollo Solutions
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Senior Data Engineer – Informatica
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Senior Data Engineer (Informatica) needed in London for a key government client. This INSIDE IR35 role demands hands-on AWS & Spark expertise (EMR, S3, Lambda) with strong PySpark/Python and SQL for large-scale batch processing. You will engineer production-grade pipelines, modernize legacy ETL, ...
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Whitehall Resources Ltd
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Senior Systems Engineer
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Senior Systems Engineer sought for Akuna’s London team. You will architect and maintain global infrastructure, leveraging advanced Linux kernel tuning, virtualization, and containerization. Expertise in Ansible, Prometheus, and Python automation is essential for driving large technical projects. ...
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AKUNA CAPITAL
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Senior Fire Engineer
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Senior Fire Engineer sought for a growing London consultancy delivering complex fire safety schemes across the UK. You will produce fire strategies, manage projects, and mentor junior staff, leveraging 4-5+ years’ experience and IFE membership. The role offers a 10% employer pension, private heal...
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60000.00 - 75000.00 GBP / Year
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Brandon James
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Senior Earthing & Bonding Engineer
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Senior Earthing & Bonding Engineer sought by Egis UK to lead E&B design for rail systems, stations, and depots in London. Requires 10+ years’ experience, expertise in BS/EN standards (EN 50122, BS 7671), and stray current mitigation. Key role involves technical design, CDEGS modelling, and multi-...
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Egis in the UK
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Senior Mechatronics Engineer
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Senior Mechatronics Engineer sought to develop precision motion and control systems for next-gen data storage hardware in London. This role requires 3–5 years’ experience in motor control, embedded C/C++, and real-time systems. Join a multidisciplinary R&D team transitioning from prototype to pro...
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55000.00 - 65000.00 GBP / Year
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Premier Group
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Senior Low Latency Engineer
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Senior Low Latency Engineer sought by Citi in London to build mission-critical Java frameworks for algorithmic trading. You will work on microservices-based event sourcing systems with 10-100 microsecond response times, leveraging deep expertise in JVM, Linux, and kernel bypass technologies like ...
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Citi
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Senior Local Government Infrastructure/Cloud Engineer
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Senior Local Government Infrastructure/Cloud Engineer needed in London to lead on-prem to cloud migration. You will provide expert support, design, and management of hybrid environments including Azure AD, DNS, and disaster recovery. This role requires advanced knowledge of enterprise infrastruct...
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Morson Talent
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Senior Security Engineer (Cloud & Kubernetes)
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Senior Security Engineer (Cloud & Kubernetes) sought for a major cyber transformation in London. This hands-on role involves securing Kubernetes, performing cloud security assessments, and hardening CI/CD pipelines. You will own greenfield security engineering initiatives, shaping the firm’s plat...
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Iceberg Cyber Security
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Senior Data Engineer
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Senior Data Engineer needed for a London-based Challenger Bank on a long-term contract. You will design and maintain an on-premise data warehouse, building robust ETL/ELT pipelines with Python, Apache Airflow, and dbt. This role demands strong ownership of infrastructure-focused solutions in a no...
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Morson Talent
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Senior C# Engineer
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Senior C# Engineer sought by a London-based proprietary trading firm to drive greenfield projects using cutting-edge .NET technology. You will architect high-performance trading applications, collaborating with top engineers in a non-corporate culture. Requires deep C# expertise, SQL Server knowl...
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80000.00 - 120000.00 GBP / Year
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Harrington Starr
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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.