Sr Full-Stack Engineer - Portals & Identity

Job highlights

• You ll help choose the platform,design secure login flows (OIDC,PKCE,MFA,passwordless,federation),and deliver it with zero loss of functionality.
• Experience leading a small team or vendor
• Mortgage or fintech experience,Contentful,Playwright,SonarCloud / CodeQL,monorepos. You re someone who

We re Hiring: Senior Full-Stack Engineer - Portals & Identity

[Location / Remote / Hybrid] | 5+ Years | Financial Services

Are you the engineer who gets excited about OAuth flows as much as beautiful React UIs We re looking for a hands-on technical owner for our customer and intermediary portals.

Your first mission
Lead the migration of our IdentityServer-based login platform to a modern identity solution (Entra External ID / Duende / OpenIddict). You ll help choose the platform, design secure login flows (OIDC, PKCE, MFA, passwordless, federation), and deliver it with zero loss of functionality.

Beyond that, you ll
Own the portals end to end: features, performance, security, and incidents
Guide developers (including external vendors) and review PRs
Safeguard our architecture: DDD/CQRS, BFF, event-driven design
Partner with the business to prioritise what matters

What you bring
Next.js, React, and TypeScript (App Router, SSR) with Tailwind
Strong OIDC/OAuth2/SAML knowledge, and you ve led at least one IdP migration
.NET/C# and ASP.NET Core, with CQRS, MediatR, and Azure Service Bus
Azure (App Service, Key Vault, APIM), Terraform, and GitHub Actions
Experience leading a small team or vendor
A security-first mindset (OWASP, GDPR, regulated environments)

Bonus points for
Mortgage or fintech experience, Contentful, Playwright, SonarCloud/CodeQL, monorepos

You re someone who
Takes ownership, prefers maintainable over clever, and communicates clearly with both techies and business teams.

Interested Apply via [link] or DM me directly. Know someone perfect for this Tag them below!

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