ServiceNow Architect using CSM, ITSM, ITOM, CMDB, TNI, IntegrationHub, JavaScript, Flow Designer, and TMF APIs to design and configure telecom BSS/OSS/Network solutions. The role leads ServiceNow implementation and integration for a consulting practice transforming telecom operator operations.

You'll work with GA4, Google Merchant Center, and Excel/Google Sheets, with Python, JavaScript, PHP, or HTML also beneficial. As the autonomous SEO lead for Karen Millen, you'll drive organic traffic, optimize on- and off-page elements, and spearhead AI Optimisation (AIO) and Generative Engine Optimisation (GEO) strategies for the brand's website.

You will work with n8n, GPT, Claude, Gemini, and other LLMs, using APIs, webhooks, SQL, Python, and JavaScript to build production-ready AI agents and automations. Geomiq operates a digital manufacturing platform connecting engineers with global partners, and you will automate workflows across Sales, Operations, Supply Chain, Finance, and Product teams as their first dedicated AI builder.

You’ll work hands-on with React, JavaScript, Python, GCP, Terraform, Git, and AI/ML tooling. As part of ace, you’ll own the build-out and enterprise adoption of a leading global hedge fund’s in-house automated testing platform, with full-stack development, CI/CD, and governance. You’ll mentor a small QA function transitioning from manual testing.

You will build a bespoke blockchain from scratch using Rust, C++, CUDA, Solidity, TypeScript, React, and Node.js. Arena Entertainment builds digital entertainment platforms including MetaWin and WOW Vegas, and is creating a new blockchain for gaming and DeFi.

You will work with Python, Git, GitHub/GitLab, automated testing, and a Unix-based OS like Ubuntu. As part of the RegTech team, you will build regulatory reporting, compliance, and financial risk solutions for Tier 1 banks.

FDM Group★2.9 (270)· London

Supporting a Market Risk and regulatory reporting platform, the role uses Quartz, Autosys, or Control M for scheduling, Splunk, Grafana, AppDynamics, and Bob Monitor for observability, and Linux/Unix, Python, Shell scripting, and Ansible for automation.

National Gas★0.0 (10)· London

Develop and maintain backend services using ASP.NET Core, REST APIs, SignalR, and WebRTC, with SQL Server/MariaDB, Entity Framework Core, and Dapper. Deploy on Azure (App Services, SignalR Service) with Docker and CI/CD pipelines. This role owns the backend architecture for existing web platforms and a new real-time operational system.

You’ll build cloud-native apps with C#/.NET and Azure, design Microsoft Fabric and Medallion data pipelines, handle ETL/ELT, SRE, and integrate LLMs via OpenAI/Azure OpenAI. Based at startup Lineten Ltd., you’ll join a small team enabling internal and external data self-service analytics.

This role involves working with Selenium, Java, UFT, SQL, Azure DevOps, ALM, and CREST settlement systems, including CREST, SWIFT, and ISO15022/ISO20022 messaging. You will define testing strategies and execute automated and manual tests for complex post-trade and securities settlement platforms. The position is within an Agile delivery team in the financial services sector.

You will use Python, JavaScript, Microsoft 365, Power Platform (Power Apps, Power Automate), and APIs to design, build, and enhance internal applications, automations, and AI-powered solutions. This role supports a technology-led company investing in AI and automation by developing internal tools that improve business efficiency and productivity.

You will work with C#, .NET (.NET Core/8+), SQL

You will work with C#, .NET, Azure, GitHub Actions, Octopus Deploy, CI/CD pipelines, front-end frameworks, and observability tools like Azure Monitor, Datadog, or Grafana. As part of a cross-functional digital product team at Canada Life, you will build and run product features across the full stack, living a "you build it, you run it" philosophy.

Mid-level Software Engineer role using Python, Git, GitHub/GitLab, TDD, unit/automated testing, Unix, and agile frameworks. You will work on Suade’s regtech SaaS platform that automates regulatory reporting, compliance, and financial risk solutions for Tier 1 banks.

Lead Software Engineer role: leads a hands-on engineering team building greenfield applications using C#, .NET, Angular 16+ within a global energy trading company.

Work with Python, SQL, JavaScript/TypeScript, NumPy, Pandas/Polars, visualization libraries, and deep learning frameworks (PyTorch, JAX, or TensorFlow) to design and deploy full-stack data-driven applications and machine learning solutions. You will be embedded with Arsenal's Men’s First Team Analysis department, building tools that directly support coaching and analysis workflows.

VueJS 3, JavaScript (ES6), HTML5, CSS3 (SASS), RESTful APIs, GIT, Azure DevOps (CI/CD), Jest, Cypress/Playwright. Build and maintain modern web applications, developing reusable UI components and ensuring responsive, accessible, performant frontends.

A Senior Full Stack Developer is needed to work with Angular, .NET, and legacy ASP.NET MVC. The role involves developing, enhancing, and modernising business-critical Front Office applications for an Investment Bank.

Full Stack Developer role using C#, .NET, JavaScript, and Umbraco for an established luxury travel company. The work involves a major transformation programme building web-based tools to automate operational tasks, improve pricing accuracy and management information, plus website enhancements.

C# .NET developer role at a boutique FX brokerage specializing in currency options and interest rate swaps. Requires 3-5 years’ C# .NET experience, ideally with FX project understanding, joining the London team.

Work with .NET to design, build and improve secure, reliable software. As part of multidisciplinary delivery teams at a digital consultancy, you will deliver complex technology programmes for critical public sector digital services.

You'll work with JavaScript, Java, .Net, or Python; version control (e.g., Git, Mercurial); CI/CD tools (e.g., Jenkins, TeamCity); and automated testing frameworks. The team collaboratively designs and builds proof-of-concept or production systems.

Senior C# Engineer will work with C#, .NET Core, cloud-agnostic (Azure/AWS), and React. The role develops front-office trading systems for a Commodities & Energy Trading firm that trades Power, Oil, Gas, and energy derivatives. This is a senior individual contributor position focused on architecture and engineering excellence.

You will work with React, modern JavaScript/TypeScript, and APIs. As part of a fintech engineering team, you'll build data-intensive platforms that support business-critical workflows, taking ownership of features from design to deployment.