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 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.

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.

Wise★3.5 (42)· London

Build backend

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 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.

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.

You will design and maintain automated UI, API, and service-level tests in TypeScript using Serenity/JS and Playwright, plus Python/pytest and C#/.NET. The role involves testing the ACE application and internal platform tooling for a decentralised AI platform optimising energy in data centres.

Viasat★3.8 (382)· London

Work with Python, AWS Lambda, Next.js/React, Terraform, and BigQuery to architect data-driven platforms that drive Viasat's revenue growth by transforming how commercial and customer-facing teams operate. Co-lead development of web portals and cloud applications, integrating AI capabilities like LLMs and agent frameworks. Join an existing Senior Solutions Architect to share technical ownership of the platform ecosystem.

You will work with Keyfactor, EJBCA, Azure AD, ADCS, ADFS, NDES, PowerShell, HSM, and CLM tools. This contract role involves designing, deploying, and managing certificate lifecycles in PKI and cloud identity platforms.

Lead Engineer using Vue (frontend), Django/Laravel (backend), AWS, Stripe/Salesforce/Netsuite integrations, SOAP, REST/OpenAPI, and project tools like JIRA, GitHub. Builds and maintains the user-facing commercial platform central to customer interaction. Manages and mentors junior developers, acting as project manager for releases.

Develops modern web applications using Angular, TypeScript, RxJS, and REST APIs on a cloud-native AWS platform. Works on a globally used flagship product, collaborating with product, UX, backend, and ML engineers.

Boston Consulting Group★4.2 (537)· London

Work with Microsoft Entra ID, Active Directory, CyberArk, Okta, SailPoint, Veza, Terraform, SAML, OIDC, OAuth2, and scripting languages (PowerShell, Python, Java). This Principal IAM Engineer designs, implements, and governs enterprise-wide identity and access management for workforce, partner, and customer identities across cloud (AWS, Azure, GCP) and on-prem environments. The role acts as senior technical authority, owning end-to-end IAM services including SSO, MFA, federation, and privileged access control.

Yapily★0.0· London

Lead a team building core microservices on Yapily's open banking platform, using Java, Spring Boot, and Kubernetes. Design REST APIs with OpenAPI/Swagger, oversee scalability and monitoring, and drive Agile delivery.

G-Research★3.6 (18)· London

Work with PingFederate, PingAM, SAML, OAuth2, OpenID Connect, Teleport, Active Directory, LDAP, Kubernetes, and languages like C#, Java, Python, or Go. You will own and evolve authentication, identity federation, credential management, and privileged access platforms for G-Research, a quantitative research firm solving complex problems in finance.

You'll work with Okta, Google Workspace, GitHub, macOS endpoint management, n8n, APIs, scripting (Python, JavaScript, Bash), REST APIs, and webhooks. n8n is an open workflow orchestration platform enabling AI-driven automation for technical teams. This is the first direct IT hire, shaping the function from the ground up.

Apple★4.1 (14k)· London

Work with TypeScript, React, Webpack, Jest, Java, Spring, and Swagger/OpenAPI. You will help develop next-generation cloud services for iCloud Platform, enabling new applications and scaling existing ones like FaceTime, PushNotifications, Photos, and Backup.

Cint★3.5 (13)· London

Work with AWS (S3, RDS, Kinesis, EC2, EMR, ElastiCache, ElasticSearch, EKS) and GCP, using Terraform, Kubernetes, Docker, Packer, Ansible, Jenkins, and scripting languages (Python, Go, Java). You will improve the security posture of the Cint ResTech platform's cloud infrastructure and embed security into its DevSecOps CI/CD pipeline.

Work with Terraform, Pulumi, OpenFGA, Authzed, Cedar, Topaz, OAuth 2.0, OIDC, SAML, JWT, EntraID, Okta, AWS, and frameworks like Java, Python, Node.js, .NET to design and implement identity infrastructure for authentication and authorization. You will support the Identity Engineering team, which builds core systems for Scale AI’s products that power advanced LLMs and generative models through RLHF, human data generation, and model evaluation.

Visa★3.9 (1.2k)· London

You will work with Java 11+, Spring Boot, AWS, Kubernetes, Kafka, ElasticSearch, Datadog, Docker, Terraform, OpenAPI, SQL, PACT, and CI/CD pipelines. As part of cross-functional squads, you will build and maintain a high‑availability, cloud‑native payments platform that processes over 50 billion USD in cross‑border transactions. You will lead technical direction, shape architecture, and mentor junior engineers.

JPMorgan★3.9 (20k)· London

Utilizes ZTNA, IAP, SWG, and tools from Zscaler, Netskope, Palo Alto, Broadcom, plus SAML, OIDC, OAuth 2.0, JWT. Leads JPMorgan’s US perimeter, proxy, and SSE/SASE engineering roadmap, building network security infrastructure and enforcing policy-based access controls.

DeepL★3.8 (4)· London

Lead and grow DeepL’s technical support engineering team, working with API integration, enterprise authentication protocols (SAML, OAuth 2.0, OIDC, SCIM, RBAC) and identity providers like Okta, Microsoft Entra ID, and Google Workspace. You will modernize the support model through automation and AI while partnering across Engineering, Product, and GTM to turn support insights into product improvements.

Wise★3.5 (42)· London

You'll use Java (Spring), Kubernetes, AWS, RESTful APIs, Swagger, OpenAPI, OAuth2, and relational/non-relational databases like MySQL, PostgreSQL, MongoDB, and Cassandra. On the Wise Platform team, you'll provide technical consulting and integration support to global financial institutions and tech companies embedding Wise's international money movement products via API.

You will work with Windows and Linux servers, networking, automation (PowerShell, Python, Shell/Perl), cloud technologies, APIs, SAML, and OIDC. You will design, implement, and support infrastructure solutions for a global financial services organisation, handling PoCs, troubleshooting, root cause analysis, and integrations with teams across EMEA, North America, and Singapore.