Design and maintain automated test suites using C

Senior People Data Analyst role using SQL, BigQuery, dbt, and Looker, with exposure to machine learning, AI, LLM tooling, and data observability. You’ll improve the People Analytics data ecosystem and build data products for a global payments company powering e-commerce transactions.

Lead a team building scalable cloud-hosted systems using Java, Python, ReactJS, AWS, and Google Cloud Platform. This engineering manager role owns technical stewardship for product mission teams within NatWest Boxed, a high-performing product engineering organisation. Direct reports include software and quality engineers across empowered squads.

Works with Apache configs, CLI tools, Chrome DevTools, Lighthouse, PageSpeed Insights, WebPageTest, Jira/Azure DevOps, HTML, CSS, JavaScript, and structured data. Leads Croud's Web Experience and Technical SEO capability, auditing and optimizing client sites for traditional search, AI summaries, and LLM interfaces, including migrations and

You’ll work with JavaScript, TypeScript, React, Next.js, Node.js, Python, WebGL/Three.js, Unity/Unreal/TouchDesigner, Generative AI/LLMs, ComfyUI, vector databases, and AWS/GCP/Azure. WPP Production is a global content production company delivering multi-channel content systems at scale. As technical leader, you’ll mentor and line-manage junior developers, though team size isn’t specified.

You will work primarily with JavaScript/TypeScript, React, and AWS, architecting full-stack apps alongside Node, Webpack, MobX, Redux, Spring Boot, and Kafka. As part of the Transaction Banking Digital Engineering team, you will lead the design and implementation of UI components for a scalable, cloud-based platform providing corporate cash management solutions via APIs, portals, and SWIFT. You will manage a group of engineers, contribute to the product roadmap, and drive engineering culture.

Lead design and development of large-scale software using TypeScript, JavaScript, Angular, Node.js, and Azure/AWS. Build modern, cloud-native applications for Verisk’s data and analytics platform that helps insurers make decisions. Provide technical guidance and shape architecture across multiple products and teams.

You will work with SQL, BigQuery, dbt, and A/B experimentation. As part of the Data Science team, you’ll analyse user behaviour on the world’s largest Muslim dating and marriage app, optimising products and supporting expansion into new global markets.

Platform Engineer role at Freetrade, working with Google Cloud infrastructure, Kubernetes, serverless, Terraform, and Node.js (TypeScript). The Platform Engineering Team builds foundational CI/CD pipelines, logging, observability, and security systems to support product, frontend, and data engineering teams.

Build and streamline CI/CD pipelines using GitLab CI/CD, Helm, ArgoCD, and Terraform. Containerise and migrate workloads into Kubernetes and OpenShift, automating with Bash, Python, or Go across hybrid cloud environments (AWS, IBM Cloud, GCP, or Azure). You will complete a free 16-week course to develop mid-level skills before a potential client role.

Work as a senior quality engineer using Python, Jenkins/Groovy CI/CD, pytest/GTest, and Linux/Windows tooling, plus AI-assisted coding tools. You'll build pipelines, automation, and automated tests across SDK teams supporting PlayStation's SDK solutions, coordinating with London, Bristol, and Dublin.

Develop NatWest Boxed, a banking technology product, using Java, Spring Boot/Micronaut, Kubernetes/Docker, AWS, and Kafka/event sourcing. As a technical lead, you'll support junior engineers on core cross-functional mission teams. The listing doesn't specify team size.

The role involves Python, pandas, OOP, SQL (PostgreSQL, Snowflake), CI/CD pipelines, git/GitHub, and GitHub Copilot, with JavaScript, Flask, or FastAPI helpful. You'll develop in-house fund management tools for the Index team at L&G Asset Management, analyzing portfolio performance and supporting data pipelines. L&G is a major global asset manager and UK financial services group.

Tesco★3.5 (25k)· London

Work with .NET/C#, Java, Cassandra, Docker, HAProxy, and Azure DevOps in a test-driven, DevOps culture. The payments service team delivers HTTP APIs handling 100M+ daily transactions and fraud detection for 28M+ shoppers.

Work with JavaScript, React or Svelte, D3, QGIS, Mapbox, Leaflet, R or Python, SQL, Git and AI models. Build interactives, calculators and data-led stories for The Times and The Sunday Times’ data journalism team.

You will work with Databricks, Azure SQL, Azure Data Factory, Python or PySpark, and advanced SQL to build and maintain ETL/ELT pipelines. The role supports a large-scale data platform migration project moving workloads from Azure SQL to Databricks as part of an established data team.

You will work with TypeScript, React, HTML5, CSS, JavaScript (ES6+), FDC3, REST/WebSocket APIs, OpenFin, Chromium, Electron, Kafka, Solace, Tibco, Jenkins, and AI-assisted development tools. The team delivers pricing solutions for the Foreign Exchange (FX) business, building high-quality trading GUIs for internal and external traders. As a Vice President, you provide technical leadership and mentor junior engineers on a globally distributed team.

You will work with C#, .NET, and Azure, using GitHub Actions, Octopus Deploy, Infrastructure as Code, and observability tools like Azure Monitor or Datadog. As part of a cross-functional digital product team, you will build, deploy, and operate features across the full stack while modernizing Canada Life UK’s IT estate.

You will work with C# and C++ on FX options pricing and trading systems, using WinForms and/or WPF, and may encounter .NET Core, ASP.NET, React, TypeScript, and Kafka. You will join a front office technology team supporting a global FX trading business, enhancing and maintaining critical pricing and trading applications.

You will work hands-on with Azure, Databricks, and SQL, building scalable ELT pipelines and Lakehouse architectures. You will operate as a senior individual contributor on a major enterprise data platform transformation for a global mining company.

Work with Azure SQL, SQL Server, and T-SQL, using execution plans, Query Store, DMVs, and Azure DevOps/CI/CD. Maintain, optimise, and evolve a large Azure SQL environment at the heart of a business-critical software platform, solving complex performance and scalability issues.

Build scalable, high-performance backend services and reliable APIs using C# and .NET as part of a fast-paced engineering team.

Developers use C#/.NET, Java, or Python, along with SQL databases and cloud platforms like Azure or AWS. The role involves problem-solving and communicating with technical and non-technical audiences, with no specific project or team scope detailed.

This role involves working with Thermo Fisher SampleManager (v12.1/v21.3), VGL, C#, .NET Framework, SQL, REST/SOAP services, XML, and Oracle/PostgreSQL databases. The position is at an IT consulting company, and responsibilities include configuring and customising SampleManager for client systems integration.

You'll work with JavaScript, ElasticSearch, OpenSearch, MongoDB, Apache Kafka, EKS and Kubernetes on Ripjar's Labyrinth Screening SaaS platform, which automates detection of financial crime for banks and governments. This role leads technical decisions and architecture for scaling the platform.