9 senior lead software engineer jobs found

What You'll Be Doing - Provide technical leadership across AI-enabled software and DevOps engineering teams - Set architectural direction for API-first design, system integration, and platform enablement for AI - Lead the evolution of legacy or existing applications towards modern, service-based and API-driven architectures - Define and guide integration patterns between applications, platforms, and AI services - Make informed decisions on when and how emerging integration approaches (e.g. protocols such as MCP) should be applied as part of broader system design - Work closely with architects, product teams, data scientists, and platform engineers to deliver end-to-end solutions - Ensure solutions meet appropriate standards for security, resilience, performance, and operability - Anticipate and manage architectural and operational risks associated with AI-enabled systems - Champion strong engineering practices across software development, DevOps, and platform engineering...

Principal Platform Engineer - Ref: 1733 Initial contract until 27/12/26 £98.82ph, UMB, inside IR35 Yeovil - Full time onsite Please note, DV clearance is required for this positon and the programme will have "UK Eyes Only" restrictions. Your Impact Are you ready to take on complex technical challenges at the forefront of cyber and platform engineering? At Leonardo, our Principal Platform Engineers are hands-on experts who shape the design, integration, and delivery of secure platforms that keep our customers' missions running. Your work at Leonardo UK will see you take the lead in solving customer problems in an agile, innovative and team-centric manner. The role may involve a blended hybrid working model, with a mixture of working from home and working on site at one of our Leonardo offices to ensure close collaboration with the wider team and with our customers. Leonardo UK is seeking a Principal Platform Engineer to join the Cyber & Security Solutions Division...

Backend Software Engineer (Java & Identity Access Management) 7 Months 4 Days per week on site (Basildon) £593.48 per day (Inside IR35) My client in the automotive industry are looking for an experienced Senior Backend Software Engineer to join our Identity Management Services team, focusing on the core platform work that powers our identity infrastructure. In this role, you will design and build high-scale backend services while serving as a technical lead to upskill the team in modern, industry-leading application development. You will be responsible for ensuring the plaatform is secure and resilient, leveraging your deep engineering expertise to elevate the team's technical standards and foster a culture of excellence in backend engineering. OAuth would be very beneficial Skills Required: - Proficiency in Java - Java Framework - Web development - DevOps practices (CI/CD, version control) - Security and identity management - Monitoring and logging - Relational...

Lead Backend Software Engineer – Data Services Federated Data Services | Distributed Systems | Apache Spark | DataFusion | Python | Kubernetes Location: London (2 days per week onsite) Rate: £700–£800 per day (Outside IR35) Duration: Initial 6-month contract with likely extension Overview We're looking for an experienced Lead Backend Software Engineer to join a high-profile programme building secure, cloud-native data services that will support data-driven research and innovation at national scale. This is a founding engineering role, offering the opportunity to shape the architecture, engineering standards, and core data services from the ground up. Working closely with the Engineering Manager and a small team of senior engineers, you'll establish the technical foundations for a complex federated data platform operating within a highly regulated environment. We're looking for someone who enjoys building from first principles, thrives in ambiguity, and can balance strategic...

The role will support the development of a privacy-preserving generative AI ecosystem designed to protect personal and sensitive corporate data by design, including data residency, anonymisation and secure deployment protocols and principles, as well as model-based data protection achieved during both training and inference time. Working within a multidisciplinary and multi-partner environment, the postholder will research technical concepts core to the program and contribute towards developing them into dependable systems and components that can be used in live settings, while also supporting the broader technical development of the Lab and its collaboration with CODAS and other project partners. Additionally, the postholder will create publishable material based on the work carried out in the program, and attend events such as conferences and workshops to disseminate the progress made. Responsibilities: * Lead or substantially contribute to technical research workstreams...

We’re Aioi R&D Lab – an AI tech hub in one of the fastest-growing insurance companies. We research and develop AI systems that catapult insurance from a slow-moving, traditional past into a data-driven, technology-lead and society-defining future. We’re looking for dynamic, driven professionals like you to help evolve our business in new directions. You’ll need first-class credentials and a proactive attitude to help us drive the change the underpins our mission. As a Machine Learning Engineer, you will support the development of a privacy-preserving generative AI ecosystem designed to protect personal and sensitive corporate data by design, including data residency, anonymisation and secure deployment principles. Working within a multidisciplinary and multi-partner environment, the postholder will help translate research and technical concepts into dependable systems and components that can be used in live settings, while also supporting the broader technical development of...

A prominent player in the Defence & Security sector, is seeking an IT Support Engineer to join their team on a contract basis. The role is based at their Head Office in Buckinghamshire and will involve providing first- and second-line technical support to ensure the smooth operation of IT services within the organisation. Key Responsibilities: Provide first- and second-line support for incidents and service requests via the IT service management system. Diagnose and resolve hardware, software, and network issues across desktop and laptop environments. Manage user accounts, permissions, and access controls within Active Directory and Microsoft 365. Administer and support Microsoft 365 services, including Teams and Exchange Online mailboxes. Build, configure, and deploy Windows desktop devices in line with company standards. Support onboarding and offboarding processes, including account provisioning and equipment setup. Escalate complex issues to senior engineers or...

Infrastructure Engineering Specialist / Platform Engineer Location: London (on-site, 5 days per week) Duration: 12 months UMBRELLA only Clearance required: DV Our client, a leading UK communications provider, is hiring for a talented Infrastructure Engineering Specialist to join a high-profile project building a new network management system. This is an exciting opportunity to work on cutting-edge technologies including VMware Cloud Foundation, automation tools like Ansible, and on-premises infrastructure, supporting the deployment of a future-proof network environment. What you'll be doing: * Manage the implementation of high-level designs for stable, secure network and infrastructure environments. * Maintain and support IT infrastructure components, tools, and services across network, security, storage, and compute. * Collaborate with cross-functional teams to translate architectural designs into operational systems. * Lead the support and optimisation of infrastructure,...

We are working with a Local Authority in Northwest England to recruit an Interim Project Manager to oversee the entire lifecycle of construction projects – from initial design concepts through to on-site completion and handover. This role acts as the primary liaison between stakeholders, design teams, and contractors, ensuring projects are delivered safely, on time, within budget, and to specified quality standards. Overall Experience needed: * Experience of leading, developing, managing and monitoring of complex and varied projects, simultaneously, within a large organisation. * Experience and understanding of monitoring Health and Safety requirements on Construction contracts and onsite adherence. * Experience and understanding of delivering construction contracts, JCT, utilising Council procurement processes and requirements. * Experience of undertaking change management. * RICS or CIOB or equivalent Project Leadership & Lifecycle Management: o Take...