23 application engineer jobs found in London

IT Infrastructure Engineer(Security) Canary Wharf, UK Hybrid (2 days week) Inside IR35 Contract (6+ Months)   Key Skills • Creation of technical governance documentation, such as Low Level Designs and • Creation of security focused technical specifications for Windows environments • Secure Configuration Baseline creation • Knowledge of Active Directory Certificate Services • Knowledge of IIS • Knowledge of Active Directory Domain Services • Knowledge of Cryptography • Windows Server 2019 / 2022 / 2025 • Windows 11 • PowerShell • VMware including ESXi / vCentre • Strong understanding of designing to meet security principles and compliance • Application Infrastructure migration skills   Desirable Skills • Desirable: good knowledge MS SQL • Desirable: experience using M365 Security Controls • Ensure our internal...

Key Essential Skills: Proven Azure engineering capability, including Infrastructure as Code using Bicep and/or ARM templates. Preferred: Microsoft Azure certification (AZ-104 or above). Degree-level education, or equivalent professional experience Strong Scripting skills (PowerShell essential; Python exposure beneficial). Hands-on experience with Oracle Cloud services. Comfortable working with Git-based version control and standard branching practices. Practical experience deploying and supporting public-cloud IaaS/PaaS services in production. Able to translate requirements into resilient, scalable and cost-aware cloud designs. Good working knowledge of identity, access control and cloud security good practice. Desirable Skills: AWS experience, including infrastructure provisioning using CloudFormation and/or Terraform. (EC2, S3, Lambda, VPC, IAM, CloudFormation), DNS/networking fundamentals, and CI/CD or automation tooling.) Strong automation...

IT Infrastructure Engineer(Security) Canary Wharf, UK Hybrid (2 days week) Inside IR35 Contract (6+ Months)   Key Skills • Creation of technical governance documentation, such as Low Level Designs and • Creation of security focused technical specifications for Windows environments • Secure Configuration Baseline creation • Knowledge of Active Directory Certificate Services • Knowledge of IIS • Knowledge of Active Directory Domain Services • Knowledge of Cryptography • Windows Server 2019 / 2022 / 2025 • Windows 11 • PowerShell • VMware including ESXi / vCentre • Strong understanding of designing to meet security principles and compliance • Application Infrastructure migration skills   Desirable Skills • Desirable: good knowledge MS SQL • Desirable: experience using M365 Security Controls • Ensure our internal...

IT Infrastructure Engineer(Security) Canary Wharf, UK Hybrid (2 days week) Inside IR35 Contract (6+ Months)   Key Skills • Creation of technical governance documentation, such as Low Level Designs and • Creation of security focused technical specifications for Windows environments • Secure Configuration Baseline creation • Knowledge of Active Directory Certificate Services • Knowledge of IIS • Knowledge of Active Directory Domain Services • Knowledge of Cryptography • Windows Server 2019 / 2022 / 2025 • Windows 11 • PowerShell • VMware including ESXi / vCentre • Strong understanding of designing to meet security principles and compliance • Application Infrastructure migration skills   Desirable Skills • Desirable: good knowledge MS SQL • Desirable: experience using M365 Security Controls • Ensure our internal...

IT Infrastructure Engineer(Security) Canary Wharf, UK Hybrid (2 days week) Inside IR35 Contract (6+ Months)   Key Skills • Creation of technical governance documentation, such as Low Level Designs and • Creation of security focused technical specifications for Windows environments • Secure Configuration Baseline creation • Knowledge of Active Directory Certificate Services • Knowledge of IIS • Knowledge of Active Directory Domain Services • Knowledge of Cryptography • Windows Server 2019 / 2022 / 2025 • Windows 11 • PowerShell • VMware including ESXi / vCentre • Strong understanding of designing to meet security principles and compliance • Application Infrastructure migration skills   Desirable Skills • Desirable: good knowledge MS SQL • Desirable: experience using M365 Security Controls • Ensure our internal...

IT Infrastructure Engineer(Security) Canary Wharf, UK Hybrid (2 days week) Inside IR35 Contract (6+ Months)   Key Skills • Creation of technical governance documentation, such as Low Level Designs and • Creation of security focused technical specifications for Windows environments • Secure Configuration Baseline creation • Knowledge of Active Directory Certificate Services • Knowledge of IIS • Knowledge of Active Directory Domain Services • Knowledge of Cryptography • Windows Server 2019 / 2022 / 2025 • Windows 11 • PowerShell • VMware including ESXi / vCentre • Strong understanding of designing to meet security principles and compliance • Application Infrastructure migration skills   Desirable Skills • Desirable: good knowledge MS SQL • Desirable: experience using M365 Security Controls • Ensure our internal...

Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...

Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...

WWT EMEA has an opportunity for a Senior Node.js Engineer to modernize and rebuild internal Node.js‑based package manager into a fully supported product.   The successful candidate will be developing a cross‑platform CLI tool for Windows and macOS, integrating with Artifactory, and supporting governance and distribution processes for portable developer tools.   This is a contract Role & Inside IR35   Senior Node.js Engineer   Contract Duration: 9 months Contract   Location: Remote, United Kingdom (Occasional travel to London as per business need)     Key Responsibilities: Modernize and rebuild internal Node.js-based package manager into a fully supported product. Develop a cross‑platform CLI tool (Windows + macOS) that supports package discovery and installation. Integrate the CLI with Artifactory for tool, SDK, runtime, and FOSS package distribution. Support governance for...

Service Design & Transition (SD&T) Consultant (Outside IR35 Contract) Duration: 6 months   Purpose of the assignment TMHCC is undertaking a structured effort to bring governance, supportability, and operational control to a growing number of business-led (“unmanaged” or “shadow IT”) applications already in live use.   This assignment will execute Service Design & Transition (SD&T) processes retrospectively, ensuring that these applications are formally assessed, documented, and transitioned into sustainable IT-supported services.   The assignment will act as the delivery engine for SD&T, working across business and IT stakeholders to gather information, define support models, produce required artefacts, and secure formal sign-off for transition into BAU.   Success in this assignment will be measured by the number of applications successfully transitioned into governed, supportable services,...

We are looking for a technically skilled and proactive Power BI Data Analyst to support the management and development of our national station accessibility data. You will sit at the engine room of our data analysis - maintaining our Power BI suite, ensuring data quality, and helping translate raw information into tools that help the rail industry make stations more accessible.   As a  Power BI Data Analyst, your main responsibilities will be: Technical Power BI Support & Maintenance: Maintain and update the primary Power BI files, including managing complex DAX, troubleshooting issues and ensuring stable connections to the Azure Data Lake. Data Modelling & Sources: Under guidance, update data models as new information becomes available (e.g footfall, census, or GIS data), identifying new data sources that could complement our existing suite and integrating them into current analysis. UI & Usability: Keep the Power BI interface clean,...

Job Title: Data Scientist Job Location: Canary Wharf (Hybrid- 4 days in office, 1 from home) Contract Length: Until 31/12/2026 Industry: Oil and Energy, Tech Working Hours: 8 per day/40 per week   Role Overview: Design, develop, and maintain production-grade AI applications and services using modern software engineering practices (CI/CD, testing, observability, cloud-native design). Define and implement foundational platforms and tools (e.g., conversational bots, AI-powered search, unstructured data processing, GenBI) that are reusable and scalable across the enterprise. Participate in cross functional team initiatives-embedded projects with business stakeholders-to rapidly build and deploy AI solutions that solve high-priority business problems. Evaluate and integrate existing AI tools, frameworks, and APIs (e.g., LLMs, vector DBs, retrieval-augmented generation, AI agents) into robust applications....

UX & UI Designer (six month contract)   Who We Are and What We Do   At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we're here to help make it happen.   In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint.   We have more than 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,'...

Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...

Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...

🚀 Senior DevSecOps Engineer – Contract Opportunity (Inside IR35) UK GOVT CONTRACT - 6 months   Fimatix UK Ltd is looking for a Senior DevSecOps Engineer (SFIA 7) to join our team and play a key role in building and securing modern DevSecOps capabilities across a large-scale digital programme. This is a hands-on engineering role focused on embedding secure-by-design practices into CI/CD pipelines, AWS infrastructure, and identity services , while also helping drive AI-enabled DevOps automation to improve operational intelligence and threat detection.   🔧 Key Responsibilities Design and implement secure CI/CD pipelines with integrated security tooling (SAST, DAST, container scanning, dependency scanning). Embed security-by-design principles across AWS infrastructure and deployments. Implement IaC security guardrails using Terraform/CloudFormation. Configure and optimise AWS-native security services (Security Hub,...

Job Title: Data Scientist Job Location: Canary Wharf (Hybrid- 4 days in office, 1 from home) Contract Length: Until 31/12/2026 Industry: Oil and Energy, Tech Working Hours: 8 per day/40 per week   Role Overview: Design, develop, and maintain production-grade AI applications and services using modern software engineering practices (CI/CD, testing, observability, cloud-native design). Define and implement foundational platforms and tools (e.g., conversational bots, AI-powered search, unstructured data processing, GenBI) that are reusable and scalable across the enterprise. Participate in cross functional team initiatives-embedded projects with business stakeholders-to rapidly build and deploy AI solutions that solve high-priority business problems. Evaluate and integrate existing AI tools, frameworks, and APIs (e.g., LLMs, vector DBs, retrieval-augmented generation, AI agents) into robust...

UX & UI Designer (six month contract)   Who We Are and What We Do   At SilverRail, we're on a mission to reshape the way the world travels, and we're inviting you to be part of this journey. Rail is becoming the go-to choice for short and medium-haul travel worldwide, and we're here to help make it happen.   In the face of the ongoing climate crisis, our vision is crystal clear. We are transforming the online customer experience for rail travel, making it easier than ever for customers to find, buy and use rail. Our cutting-edge technology is the backbone of rail and travel agencies worldwide, making it effortless for travellers to choose the eco-friendly option and reduce their carbon footprint.   We have more than 15 years of trailblazing success behind us, and our teams are spread across the globe, with bases in London, Boston, Brisbane, and Stockholm. We thrive on the philosophy of 'fail-fast-fail-early,'...

Cloud Architect Role type: Contract 6 months + Location: London/Remote Cloud Architect required to join our Engineering team here at Satalia As an organisation, we push the boundaries of data science, optimisation and artificial intelligence to solve the most complex problems in the industry. Satalia, a WPP company is a community of individuals devoted to working on diverse and challenging projects, allowing you to flex your technical skills whilst working with a tight-knit team of high performing colleagues. Led by our founder and WPP Chief AI Officer Daniel Hulme, Satalia’s ambition is to become a decentralised organisation of the future. Today, this involves developing tools and processes to liberate and automate manual repetitive tasks, with a focus on freedom, transparency and trust. At the core of our thinking is an approach to wellbeing and inclusivity. We unpack human behaviour and unpick prejudice to ensure a safe and inviting...

Here at Mindera we are continuously developing a fantastic team and would love it for you to join us! As an Android Developer you will be creating fast, fluid, responsive and reliable mobile applications that provide our customers with a rewarding experience. You’ll have an opportunity to participate in the whole development cycle, using modern technologies, architectures and processes. When you join Mindera we welcome you into a fun and politics-free work culture, built on the principles of lean and self-organisation .   Please note: This position requires you to work on client-site in Paddington, London, three times a week. This is an initial six month contract position that sits outside IR35. Requirements You rock at Kotlin Java Jetpack Compose Coroutines (or RxJava); Software Architecture (MVVM or similar); Unit testing and UI tests; XML Being self-driven and working with little supervision towards a common team or...