15 senior software engineer jobs found

Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...

Software Engineer (Golang) - Contract 6 months initial | Outside IR35 | Remote (occasional travel to Manchester / London) | BPSS required Client: Pixel Global (DWP) We 're looking for a Golang Software Engineer to drive automation and process optimisation across a major government programme What you 'll be doing: Building in Golang, creating frameworks to enable scalable automation Working with stakeholders to pilot and embed repeatable automated processes Shaping automation approaches aligned to defined standards (TS Red Lines) Challenging manual processes and identifying where automation adds real value What we need: Strong Golang development experience Experience building automation frameworks or tooling Confident engaging stakeholders and challenging existing processes Ability to assess automation vs manual trade-offs This is an immediate impact role with strong extension potential beyond 2026. Please click on the...

I have partnered with a top-tier business intelligence provider who are looking for a Senior .NET/Angular contractor to help them out over their next few sprints. 💷 Up to £500 per day (Outside IR35) 🏢 once a week in London office (mandatory) 📅 3 initially with possibility of extension 🧐 Focus: working on highly performant web apps ad backend systems as well as integration across multiple services and databases. ⚙️ Skills: Angular, .NET Core 7/8, API development, MongoDB, MySQL, Entity, AWS, Claude & Cursor 👉 Advantageous skills: knowledge of Python/Gen AI application and database deployment ❗ Must have UK right to work and be able to commute to London once a week.

🚀 Senior Full Stack Engineer (AI & Cloud) – Outside IR35 🚀 📍 London (3 days onsite) 📅 Start: July 💰 Depending on Experience ⏳ 6 Months Initial I'm supporting a leading consultancy who are building a team of Senior Engineers to embed within an enterprise software business during a major delivery programme. We're looking for experienced engineers who enjoy building products from scratch and are comfortable operating across backend, frontend and cloud environments. The Role Build and deploy cloud-native applications in modern engineering environments Work closely with Product, Design and Engineering teams to deliver customer-facing solutions Contribute to AI-enabled features, integrations and automation initiatives Operate across the full software lifecycle from architecture through to production deployment Experience Required Strong experience with Go and/or Python, React and modern frontend development Kubernetes, Docker and cloud platforms...

Senior Mobile QA Engineer (iOS & Android) £400 - £425 per day | Outside IR35 | Initial 6-Month Contract | Hybrid (Stratford, London) | Immediate Start Available Our trusted partner within the Ed-Tech sector, employing over 10,000 people across 100 countries and supporting more than 600 million users globally, is seeking an experienced Senior Mobile QA Engineer to join a high-profile product engineering team developing innovative mobile learning applications. This role is ideal for a QA professional with extensive experience testing native and cross-platform mobile applications across iOS and Android environments, coupled with a strong background in test automation and modern Agile delivery practices. Key Responsibilities Lead quality assurance activities across mobile applications, ensuring exceptional user experience on both iOS and Android platforms. Develop and execute comprehensive test strategies, test plans and test cases. Design, implement and...

🚀 Senior Platform Engineer – Outside IR35 🚀 📍 London (3 days onsite) 📅 Start: July 💰 Depending on experience ⏳ 6 Months Initial I'm working with a leading engineering consultancy who are building a cohort of senior engineers to support a large-scale enterprise software programme. We're particularly interested in platform-focused engineers with deep cloud and Kubernetes expertise. The Role Design, deploy and operate cloud-native platforms Support engineering teams with scalable infrastructure and developer tooling Build secure, highly available environments across AWS, Azure and GCP Contribute to platform automation, observability and infrastructure-as-code initiatives Experience Required Kubernetes (EKS, AKS or GKE) Terraform and Infrastructure as Code AWS, Azure and/or GCP CI/CD, GitOps and platform automation Security, governance and cloud best practices Experience supporting enterprise SaaS platforms A plus if you have...

Senior Data & ML Engineer Contract - Outside IR35 - Initial 6 month contract £650-£750 per day London - Hybrid working We are partnering with a rapidly growing financial services business that is investing heavily in its machine learning and data platform capabilities. This is a hands-on engineering role focused on helping Data Science teams build, deploy, and scale machine learning solutions in production. The work sits at the intersection of data engineering, machine learning engineering, and MLOps, with a strong focus on production systems, feature engineering, workflow orchestration, and model lifecycle management. What you'll be doing Design and build scalable data and feature engineering pipelines to support machine learning workloads Work closely with Data Scientists to operationalise models and improve the end-to-end machine learning lifecycle Develop and optimise PySpark-based data processing workflows and training pipelines Build and...

Senior Front End Engineer, React, Next, AWS, based West London, Hybrid working, 2 days week on site. Outside IR35. 6 months initial, likely extensions. The Role Create extremely well-crafted front-end web applications using React.js and NextJS Support and Develop Server Side Rendered web applications, making use of AWS Lambda Write resilient code that will be continuously tested, deployed and performed at scale Test front end application e2e with unit, functional, integration, visual regression and lighthouse testing Cross functional Agile team, building high traffic eCommerce and Service web applications Contribute to technical direction and the improvement of its tools and processes Ensure that the code written is performant, resilient, secure and well monitored and alerted web applications Skills Solid commercial experience in React/Redux development Good understanding of development best practices such as TDD, continuous integration and continuous delivery...

Senior Front End Engineer, React, Next, AWS, based West London, Hybrid working, 2 days week on site. Outside IR35. 6 months initial, likely extensions. The Role Create extremely well-crafted Front End web applications using React.js and NextJS Support and Develop Server Side Rendered web applications, making use of AWS Lambda Write resilient code that will be continuously tested, deployed and performed at scale Test Front End application e2e with unit, functional, integration, visual regression and lighthouse testing Cross functional Agile team, building high traffic eCommerce and Service web applications Contribute to technical direction and the improvement of its tools and processes Ensure that the code written is performant, resilient, secure and well monitored and alerted web applications Skills Solid commercial experience in React/Redux development Good understanding of development best practices such as TDD, continuous integration and continuous...

Senior AI Engineer (Contract) Rate: £700 / day IR35 Status: Outside IR35 Duration: 6 months (with high likelihood of extension) Location: Hybrid / Remote options available (UK-based) Security Clearance: DV Cleared The Role We are looking for a Senior AI Engineer to design, build, and deploy production-ready GenAI applications and multi-agent systems within secure environments. This role requires a strong hybrid of advanced AI orchestration and robust cloud-native engineering, specifically focusing on scaling workloads via Kubernetes. Because of the nature of this work, you must hold active UK Developed Vetting (DV) security clearance to be considered. Key Responsibilities Agentic Workflows: Design, implement, and optimize multi-agent frameworks and stateful LLM applications. Kubernetes Orchestration: Containerize, deploy, and scale AI models, APIs, and microservices across production Kubernetes (K8s) clusters. Infrastructure &...

Location: London (Hybrid) Rate: £50-55 per hour + VAT IR35 Status: Outside IR35 About the Opportunity We're supporting an innovative technology business developing cutting-edge wearable products that combine hardware, embedded systems, AI, and data analytics to deliver real-time performance coaching. The business has grown from an early-stage concept into a globally recognised technology platform, leveraging large-scale real-world data and intelligent sensing to create industry-leading products. We're seeking a Hardware & Embedded Software Engineer to help develop the next generation of wearable technology. The Role This is a highly varied engineering position sitting at the intersection of hardware, embedded software, sensors, and product development. You'll work closely with product, AI, mobile, and data teams to develop wearable electronics that deliver accurate real-time performance feedback in demanding environments. This role is ideal for an engineer who enjoys...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. This role is paying £475 Per day and is Outside IR35. Responsibilities Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering...

Location: London (Hybrid) Rate: £50-55 per hour + VAT IR35 Status: Outside IR35 About the Opportunity We're supporting an innovative technology business developing cutting-edge wearable products that combine hardware, embedded systems, AI, and data analytics to deliver real-time performance coaching. The business has grown from an early-stage concept into a globally recognised technology platform, leveraging large-scale real-world data and intelligent sensing to create industry-leading products. We're seeking a Hardware & Embedded Software Engineer to help develop the next generation of wearable technology. The Role This is a highly varied engineering position sitting at the intersection of hardware, embedded software, sensors, and product development. You'll work closely with product, AI, mobile, and data teams to develop wearable electronics that deliver accurate real-time performance feedback in demanding environments. This role is ideal for an engineer who...

Full job description Location:  London (Hybrid) Rate:  £50-55 per hour + VAT IR35 Status:  Outside IR35 About the Opportunity We're supporting an innovative technology business developing cutting-edge wearable products that combine hardware, embedded systems, AI, and data analytics to deliver real-time performance coaching. The business has grown from an early-stage concept into a globally recognised technology platform, leveraging large-scale real-world data and intelligent sensing to create industry-leading products. We're seeking a Hardware & Embedded Software Engineer to help develop the next generation of wearable technology. The Role This is a highly varied engineering position sitting at the intersection of hardware, embedded software, sensors, and product development. You'll work closely with product, AI, mobile, and data teams to develop wearable electronics that deliver accurate real-time performance feedback in demanding...

My client is seeking an experienced Contract Site Reliability Engineer Team Lead to join their team. This is a hands-on leadership role requiring a strong technical background alongside the ability to lead, mentor, and develop a high-performing SRE function. There will be occasional travel to the client's offices in Central London. Responsibilities of the Site Reliability Team Lead Provide technical leadership for the Site Reliability Engineering function, driving reliability, scalability, and performance improvements across critical production systems. Lead, mentor, and coach a team of SREs and engineers, fostering a culture of operational excellence, collaboration, and continuous improvement. Remain hands-on with the design, implementation, and support of cloud infrastructure, automation, observability, and platform reliability initiatives. Define, implement, and govern SLOs, SLIs, and error budgets, ensuring alignment between engineering priorities and business...