Wise★3.5 (42)· London

Lead a growing Solutions Engineering team in EMEA, providing technical consulting and product guidance to top-tier banks integrating Wise’s international finance products via REST API. Work with RESTful design, OpenAPI, OAuth2, and microservice architecture to architect integrations and influence the product roadmap.

DeepL★3.8 (4)· London

You'll work with C# / .NET, RESTful APIs, distributed architectures, and optionally React/TypeScript, plus MCP, CLIs, OAuth, and AI coding tools. You join the API Enterprise team, which builds enterprise adoption features (usage insights, cost controls, RBAC, compliance, data residency) for DeepL's Language AI API platform.

Microsoft★4.2 (9k)· London

Manage a team of Security Solution Engineers advising customers on Microsoft Security solutions including Defender XDR, Microsoft Sentinel, Microsoft Entra, and Microsoft Purview. The team supports customers in evaluating applications, recommending tailored solutions, and demonstrating technologies to win technical decisions.

CHAMBERS & PARTNERS★3.2 (19)· London

You will work with firewalls, SIEM, IDS/IPS, EDR, vulnerability scanners, cloud security (Azure, AWS, GCP), identity management (Entra ID/Azure AD, PAM), and frameworks like ISO 27001 and NIST. Leading the development and delivery of Chambers & Partners’ information security programme, you will protect systems, data, and digital assets. As the security function grows, you may build and lead a dedicated team.

As an Enterprise Sales Engineer, you will use Neo4j and the Cypher query language, Terraform for IaC, REST APIs, Apache Kafka/Confluent, plus Python, JavaScript, React and Go. You will be a trusted technical advisor, guiding enterprise customers through deploying the client’s platform for secure, governed AI, and will partner with Sales, Customer Success and Partner teams. The listing does not specify team size.

The Senior Cyber Security Engineer will operationalise crowdstrike falcon (EDR/next-gen SIEM), wiz CSPM (Azure/ AWS), mimecast and the microsoft security stack, triage alerts and execute vulnerability remediation. The role strengthens The Fidelis Partnership’s security engineering capability as a Bermuda-based managing general underwriter of property, specialty and reinsurance products. They will act as the second cyber escalation point within a 24/7 security operating model.

Sovos★3.3 (105)· London

Design and build Snowflake architecture and dbt model infrastructure for the topline financial data chain (billing, ARR, revenue recognition) at Sovos, a global tax compliance leader. Use advanced SQL, dbt, and optionally Python, Azure/AWS, and MCP to deliver production pipelines that support FP&A, Accounting, and AI consumers through financial close.

Design and build the Snowflake schema and dbt model architecture for the financial data pipeline, owning ingestion, transformation, and close-ready outputs for FP&A and Accounting. You will also extend dbt models for OPEX, COGS, and commissions, and integrate CRM/ERP systems like NetSuite or Salesforce. This role supports Sovos’ global tax compliance platform.

Work with Golang, Kubernetes, gRPC, RESTful APIs, HashiCorp Vault, and cloud-native tooling to build AI-powered platforms. The team, part of Citi's Chief Technology Office, defines the bank's tech and engineering strategy by engineering cutting-edge products at planetary scale.

Python, React, JavaScript/TypeScript, AWS, CI/CD, and observability. Build AI-powered language learning and assessment products for a global EdTech platform, integrating LLMs into scalable cloud-native applications with chat/messaging features.

Okta★3.9 (70)· London

Principal Forward Deployed Engineer at Okta: work with OAuth 2.0, OIDC, SAML, SCIM, OPA, Cedar, OpenFGA, AI agent platforms, and MCP. Define canonical patterns for agent identity, delegation, audit, and kill-switches across the most strategic enterprise deployments. Own the reference architecture the FDE team builds from and shape the product roadmap.

Build and support scalable enterprise integrations using Workato, APIs, webhooks, REST, SOAP, GraphQL, OAuth, JSON, XML, SQL, JavaScript, Python, and Workato formulas. Integrations span finance, HR, CRM, document management, and analytics platforms. No team size specified.

Build and evolve ASOS's data and ML platform using Python, Spark, Azure Databricks, ADLS Gen2, Unity Catalog, Terraform, and CI/CD tools. You'll implement IaC, manage data/ML lifecycle services (pipelines, experiment tracking, versioning), and support a centralised AgentOps capability with LLM gateways and safety controls. This team enables consistent, reproducible data engineering and ML workflows across the company.

Wise★3.5 (42)· London

Build backend

Kubrick Group★2.8 (13)· London

You will work daily with Microsoft Sentinel, Microsoft Defender, EDR, Microsoft Purview, Intune, Azure, M365 and PowerShell. As a security analyst at a consultancy, you will lead internal Security Operations, incident response, vulnerability management, and security implementations across the Microsoft ecosystem.

Google★4.3 (6.2k)· London

Work with HTML, CSS, JavaScript, HTTP, Java, C/C++, Python, Node.js, TypeScript, RESTful APIs, OAuth2, JSON webhooks, GCP, Dialogflow, and Gemini. You will lead end-to-end conversational messaging solutions, building chatbots and integrating agentic experiences for the Android and Business Communication Partner Engineering team.

G-Research★3.6 (18)· London

You will lead an IAM engineering team, modernising identity services using SAML, OIDC, OAuth2, SCIM, MFA, RBAC/ABAC, PAM and directory services. The team owns authentication, authorisation, identity lifecycle and access governance, driving a unified identity model that strengthens security while simplifying access management across the firm.

You will work hands-on with Java, Kafka, Kubernetes/OpenShift, caching solutions, REST APIs, Spring Boot, SQL, Git, and Gradle/Maven within a high-volume message processing environment for a trading client in the financial services domain.

You will write KQL, Python, Terraform, and CI/CD pipelines, using Microsoft Sentinel, Azure, Kubernetes, M365 Defender, Entra ID, and Purview DLP. Collaborating with an in-house threat team and outsourced SOC, you build novel detection capabilities and tune security controls for a health-research organization aiming to prevent dementia, cancer, and other diseases.

Cognizant★3.8 (17k)· London

You will work with Python (FastAPI/Flask), serverless architecture, NextJS/React, third-party APIs, OAuth/JWT, and WebSockets. You will design, build, and enhance the Digital Onboarding Service used across the API Platform.

You will own the design system and ship pixel-perfect UI in React, TypeScript, Tailwind, and modern browser APIs, with 20-30% back-end work in Node and SvelteKit. The company builds an AI-native integration layer for SaaS products and agents, providing unified APIs and tooling to connect products to hundreds of third-party tools.

White & Case★4.0 (120)· London

Administer and engineer Microsoft 365 (Entra, Exchange, OneDrive, SharePoint, Teams), Google Suite, and cloud AI tools (Gemini, Claude, Copilot) within the firm's worldwide infrastructure. The role supports global Technology Services, which maintains enterprise systems, data center infrastructure, and collaboration platforms for the law firm. Act as a 3rd-line SME for operational escalations and complex issues.

You'll work with Microsoft Azure IaaS, Microsoft Entra ID, Microsoft 365, Windows Server, and PowerShell, providing 2nd/3rd-line support, security controls, and automation. Optional tech includes Intune and Azure Firewall. Fora Space creates design-led coworking and office spaces across the UK for 30,000+ members, and this role supports the Microsoft cloud estate underpinning that business.

Administer and operate the firm's worldwide cloud infrastructure, providing support across Microsoft 365 (Entra, Exchange, OneDrive, SharePoint, Teams), Google Suite, and cloud AI tools (Gemini, Claude, Copilot). Act as a 3rd-line SME for escalations, produce low-level design documentation, and support platform onboarding and service transition.

You will work with Azure, VMware (ESXi, vCenter, vSAN, NSX), PowerShell, Azure CLI, Terraform, Bicep, ARM templates, and Omnissa Horizon. You will design, build, and deploy a new enterprise Azure platform with a focus on Azure VMware Solution (AVS) and hybrid infrastructure.