Lead the EMEA Solutions Engineering team for Wise Platform, working with REST APIs (RESTful design, OpenAPI, OAuth2) and microservices architecture. The team helps top-tier banks and tech companies integrate Wise’s international finance products via their public API, providing post-sale technical consulting. You will build and mentor a high-performing technical delivery team, defining goals aligned with Wise Platform’s objectives.

Lead Software Engineer for the PRIIP Cloud platform, owning full-stack development with TypeScript/Node.js, React, Java/Kotlin, REST APIs, event-driven architectures, AWS, Docker, and Kubernetes. The team builds a cloud-based PRIIP documentation and reporting system for regulated financial services, collaborating with compliance, quant, and product specialists. This role leads a multidisciplinary team of engineers and subject matter experts.

You will work with Microsoft 365, Intune, Meraki, Arctic Wolf SOC, Abnormal Security, and Entra ID. As part of a lean internal team, you will manage infrastructure, endpoints, security operations, identity, email security, and automation for a retail business supporting over 6,000 employees. The role also involves mentorship of first-line engineers and engagement with security specialists.

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.

Darktrace★2.7 (49)· London

You will deploy and integrate Darktrace’s AI-powered cybersecurity technology in network, cloud, OT, and email environments. The role involves working with computer networking protocols, LAN/WAN, OT principles, and vendors such as AWS, Microsoft, Cisco, and Palo Alto Networks. This post-sales Professional Services position ensures products are optimized to the highest standards.

DeepL★3.8 (4)· London

You will work with React, C#/.NET, and AI-powered tools like GitHub Copilot and Claude, building full-stack Enterprise features. The team, part of DeepL’s Business Acceleration Track, architects the company’s revenue and billing systems, including Identity & Access Management and subscription architectures for global enterprises.

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.

You will architect and maintain GCP/Cloud Run infrastructure and secure data platforms, using AI-agentic tools like Claude Code and Cursor to ship production features. NatureAlpha builds the alphaX platform, fusing geospatial data with financial datasets for institutional investors to manage climate and supply-chain risks.

Cato Networks seeks a Senior Full Stack Engineer for their secured access team to design and build web security solutions and internal infrastructure platforms using Java, Go, Spring Boot, GraphQL, PostgreSQL, MySQL, MongoDB, and Redis. The role involves end-to-end development from large-scale data processing to web interfaces, working on enterprise SaaS microservices at scale across security products and infrastructure. Requires 6+ years backend development experience, SaaS microservices expertise, and familiarity with relational/non-relational databases in CI/CD environments.

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.

Lead a hands-on founding engineering role building AI agents for data privacy compliance at Pyxos. Own the control plane, agent architecture, model-abstraction layer, telemetry, evaluation harnesses, and expert knowledge system using LLMs, multi-step agentic workflows, and CI/CD pipelines. You will work with a production system serving enterprise customers, hiring a deliberately small team as the most senior technical leader reporting to the CEO.

Lead AI engineers use Python, LangChain, vector stores, and LLMOps tooling to build and operate production generative AI applications like copilots and agentic workflows. They design RAG pipelines, own end-to-end development, and integrate with enterprise data systems and APIs. This player-coach role seeds and grows the AI Engineering function within GCG technology at Capital Group, a global investment firm.

You’ll use Python, LLMs, RAG pipelines, embeddings, vector storage, and cloud-native tools to build production generative AI applications—copilots, assistants, and agentic workflows—that improve Capital Group’s investment process.

Wise★3.5 (42)· London

Build backend

As Legal Counsel, you will draft, review, and negotiate commercial contracts (SaaS, MSAs, DPAs), advise on IP and AI contracting provisions (e.g., DORA, EU AI Act), and handle UK/EU GDPR data protection. You partner cross-functionally with Commercial, Product, Engineering, and Security teams at a Series B insurtech building technology for specialty insurance brokers and carriers. You report to the Head of Legal on a small team of two, helping scale the legal function.

You will work with SIEM platforms (Splunk, Microsoft Sentinel, QRadar, Elastic, LogRhythm, ArcSight, Exabeam), SOAR tools, and scripting (Python, PowerShell). You will enhance and mature a global professional-services firm's security monitoring platform by onboarding log sources, developing detection use cases, and supporting incident response.

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.

Doctify★4.3 (6)· London

This Cyber Security Lead role works with AWS, Google Workspace, SIEM, EDR, SSO, IAM, and frameworks including Cyber Essentials and ISO 27001. Doctify is a global platform connecting patients with doctors via verified reviews and professional endorsements. The role owns security strategy and may lead a small internal DevSecOps and IT/endpoint team.

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.

You will work with AWS, IAM, JumpCloud/Okta, Google Workspace, M365, MDM, scripting (Python, PowerShell, Bash, Google Apps Script), and networking. The role supports a purpose-led UK organisation’s technology team, managing identity, SaaS, endpoints, security tooling, and cloud infrastructure to keep systems secure, scalable, and reliable.

You will architect and scale backend services using Python, FastAPI, and PostgreSQL, and work with message brokers like Azure Service Bus, RabbitMQ, or Kafka, plus Celery, Docker, and Kubernetes. The company builds an AI workspace processing sensitive financial data for large banks and regulated institutions under SOC 2, GDPR, and FCA compliance. You will report directly to the founders on a senior, staff-track IC team.

Netbuilder★3.0 (1)· London

Full-stack developers use Java, Spring Boot, React, TypeScript, Oracle, MySQL, Git, Jenkins, Spinnaker, Docker, and Kubernetes to build, enhance, and support scalable web applications, APIs, and enterprise platforms for NETbuilder, a digital solutions provider.

Morningstar★3.9 (185)· London

Design, build and maintain IAM solutions using Okta and Microsoft Entra ID, automating JML lifecycle with Okta Workflows and PowerShell. Integrate apps via SAML, OAuth, OIDC, SCIM, and support Active Directory, Group Policy, and Azure Application Proxy. The team underpins critical business services enabling key functions across the organization.