Jobs in London

Site Reliability Engineer

As a Site Reliability Engineer, you will focus on improving system reliability, performance, and automation. You'll work closely with development teams to troubleshoot issues, build monitoring solutions, and drive DevOps best practices, all while supporting cloud-hosted applications and infrastructure.

eFinancialCareers London, United Kingdom £60,000 – £65,000 pa

Hybrid Permanent Clearance Required

Senior Backend Engineer

This role involves designing, building, and maintaining scalable backend services using Python and modern technologies. You will collaborate with Product, Design, and Commercial teams to deliver high-performance applications, contribute to architectural decisions, and mentor junior engineers.

eFinancialCareers London, United Kingdom £70,000 – £80,000 pa

Hybrid Permanent

Infrastructure Engineer (DV cleared)

This role involves designing, implementing, and supporting secure IT infrastructure across virtualisation, networking, storage, automation, and platform technologies. You will collaborate with technical teams to deliver resilient solutions, provide technical leadership, and ensure the ongoing health and optimisation of critical systems.

Salt Search London, United Kingdom £70,000 – £100,000 pa

Infrastructure Engineer (DV cleared)

This role involves designing, implementing, and supporting secure IT infrastructure across virtualisation, networking, storage, and automation. You will collaborate with technical teams to deliver resilient solutions, provide technical leadership, and ensure the ongoing health and optimisation of critical systems.

Salt Search Ipswich, United Kingdom £70,000 – £100,000 pa

Senior Python Engineer - SC Cleared

This role involves designing and building modern data platforms and applications for public sector clients using Python, cloud technologies, and data engineering practices. You will work closely with clients, support other engineers, and contribute to the full engineering lifecycle, from development to deployment and maintenance.

Searchability NS&D London, United Kingdom £60,000 – £75,000 pa

Full Stack Developer

Develop high-performance, real-time applications with a focus on complex, data-driven front-end interfaces for trading workflows. Build and maintain full-stack solutions using modern web technologies and distributed systems. Work on-site in London with a hybrid development environment integrating CI/CD pipelines and collaboration tools.

Devonshire Hayes Recruitment Specialists Ltd London, United Kingdom £45,000 – £55,000 pa

Senior Infrastructure Engineer

This role involves supporting enterprise infrastructure platforms across on-premises and Azure environments. Key responsibilities include onboarding servers to Azure Arc, deploying Azure Monitor Agent, and maintaining XDR/EDR security agents. You will work closely with Cyber Security and Operations teams to ensure the Windows and Linux estates are secure, patched, and reliable.

Invitise Fenny Stratford, Buckinghamshire, United Kingdom £630 pd

Hybrid Contract Clearance Required

Field Engineer

This role involves providing on-site and remote IT support to clients across London, building strong relationships with client stakeholders, and handling support requests. The Field Engineer will work with Microsoft 365, Intune, Windows Server, and networking technologies, and must have a background in an MSP or IT solutions provider.

Nextech South West London, United Kingdom £35,000 – £40,000 pa

.NET Developer

Develop and maintain cloud-based software applications for advanced data analytics in aerospace R&D, working with high-speed test data. Collaborate on microservices architecture using modern .NET and frontend technologies. Role involves full-stack development with exposure to cutting-edge tools and significant R&D autonomy.

Noir Ec3R8Ee, United Kingdom £130,000 – £150,000 pa

AI Solutions Engineer, Microsoft Tech Stack, Azure DevOps, Co-pilot Studio, Professional Services

The AI Solutions Engineer will design, build, and maintain AI solutions to enhance legal service delivery, knowledge management, and operational efficiency. The role involves working closely with senior stakeholders and business teams to deliver secure and scalable AI systems, with a focus on the Microsoft ecosystem including Azure DevOps and Copilot Studio.

Carrington Recruitment Solutions Ec2M4Yf, United Kingdom £95,000 – £105,000 pa

Java Developer

You will design, develop, and maintain high-quality Java applications and microservices using Spring Boot, working in an Agile environment. Responsibilities include writing clean code, conducting unit and integration testing, and collaborating with cross-functional teams to deliver features.

Denizns Ltd London, United Kingdom £400 pd

Technical Lead - C#, RESTful APIs

This role involves leading the redevelopment of a Profiles Manager and supporting services, providing technical direction while remaining hands-on with C#, .NET, and Azure. You will work closely with engineers and architects to deliver secure, scalable, and maintainable services and APIs, with a focus on cloud-native architecture and DevOps practices.

CBSbutler Holdings Limited trading as CBSbutler Leeds, West Yorkshire, United Kingdom £480 – £500 pd

Staff Software Engineer - Backend

Design and build scalable backend systems for a cloud-based data and AI platform, focusing on distributed systems, reliability, and performance at scale. Work across the full development lifecycle to improve data storage, access, and platform stability. Contribute to foundational components of the Lakehouse architecture while collaborating with cross-functional teams.

Databricks London, United Kingdom

On-site Permanent

Tech Lead Manager - Lakebase

Lead a small engineering team while remaining deeply involved in technical design and coding, focusing on building and improving a managed Postgres-based transactional layer integrated with the lakehouse. Work across distributed systems, reliability, and high-throughput data routing, with a strong emphasis on automation, observability, and operational excellence. Shape both product direction and team growth within a foundational new initiative at Databricks.

Databricks London, United Kingdom

Hybrid Permanent

Python Developer

This role involves building, testing, and deploying production-grade applications for risk analytics and data platforms. You will work in a hybrid environment, focusing on cloud-ready services, CI/CD, and DevOps practices.

Hays Technology London, United Kingdom £850 – £900 pd