Senior Identity and Full-Stack Engineer

Aberdeen; City of Edinburgh; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Salary sacrifice pension

Private health insurance

Life Assurance

Health assessments

Dental insurance

Critical illness cover

Share Plans

Employee Assistance Programme (EAP)

Volunteer time off

Job summary

Aberdeen, based in Edinburgh, seeks a Senior Identity & Full-Stack Engineer to own the customer-facing IDP/IDaaS platform and contribute across API and cloud engineering projects.

You will design authentication, SSO, federation and access governance using OAuth 2.0, OIDC, SAML and SCIM, while building cloud-native apps and integrations on Azure. Mentoring and standards leadership are expected within Digital Engineering.

Qualifications

• Experience operating Identity Provider or Identity-as-a-Service platforms.
• Strong software engineering capability across C# .NET APIs and backend services.
• Hands-on experience with Microsoft Azure and cloud-native services.

Responsibilities

• Own and evolve Aberdeen’s customer-facing Identity Provider (IDP) and IDaaS platform.
• Design and implement authentication, SSO, federation, user lifecycle and access governance solutions.
• Build and support cloud-native applications, APIs and integrations on Microsoft Azure.

Skills

Identity platform

Terraform

GitHub

CI/CD

C# .NET

Azure

OAuth 2.0

OIDC

Tools

Okta

SCIM provisioning

Job description

• At Aberdeen, our ambition is to be the UK’s leading Wealth & Investments group
• Strengthening talent and culture is one of our strategic priorities. We strive to make Aberdeen a great place to work so that we can attract and retain the industry’s best talent
• Our people put our stakeholders at the heart of everything they do by helping us to make a positive difference to the lives of our clients, customers, colleagues, shareholders, and society
• We are focused on growing our direct and advised wealth platforms and repositioning our specialist asset management business to meet client demand. We are committed to providing excellent client service, supported by leading technology and talent
• Aberdeen comprises three businesses, interactive investor (ii), Investments, and Adviser, each of which focuses on meeting and adapting to our clients’ evolving needs:
• Interactive investor, the UK’s second largest direct-to-consumer investment platform, enables individuals in the UK to plan, save, and invest in the way that works for them
• Our Adviser business provides financial planning solutions and technology for UK financial advisers, enabling them to create value for their customers
• Our Investments business is a specialist asset manager that focuses on areas where we have both strength and scale to capitalise on the key themes shaping the market, through either public markets or alternative asset classes
• Digital Engineering delivers the platforms, applications and services that power customer and colleague experiences across Aberdeen. Working closely with product, security and business teams, the department modernises technology, strengthens resilience and supports innovation. The team promotes collaboration, continuous improvement and engineering excellence, helping enable our clients to be better investors
• We are looking for a Senior Identity & Full-Stack Engineer to take technical ownership of our customer-facing identity platform while contributing to application, API and cloud engineering initiatives. Based in Edinburgh, this permanent opportunity combines identity platform leadership with hands‑on software engineering across Microsoft Azure and modern digital technologies
• You will play a key role in improving security, reliability, automation and user experience across our digital estate. This is an opportunity to shape critical services, influence engineering standards and continue developing your expertise in a collaborative environment
• Own and evolve Aberdeen’s customer-facing Identity Provider (IDP) and IDaaS platform, ensuring reliability, security and continuous improvement
• Design and implement authentication, SSO, federation, user lifecycle and access governance solutions using OAuth 2.0, OIDC, SAML and SCIM
• Build and support cloud-native applications, APIs and integrations on Microsoft Azure, taking solutions from design through to production support
• Drive automation and engineering excellence through Terraform, GitHub, CI/CD pipelines and scripting tools
• Troubleshoot complex incidents, perform root-cause analysis and strengthen operational resilience across digital services
• Mentor engineers and contribute to technical leadership, standards and best practices across Digital Engineering

Benefits

• Salary sacrifice pension arrangement
• Private health insurance
• Life Assurance
• 40 days holiday if you work full time
• Dental insurance
• Health assessments
• Critical illness cover
• Will writing
• Power of attorney
• Financial Guidance and Advice
• Holiday buy
• Discounted gym memberships
• Cycle to work
• Interest free season ticket loan
• Electric car lease scheme
• Travel insurance
• Personal accident insurance
• Share Plans
• Give As You Earn (GAYE)
• Volunteering
• Long service awards
• Subscription to Interactive Investor
• Subscription to Finimize
• Employee Assistance Programme (EAP)
• Supportive parental leave policies , delivered regionally (e.g. 26 weeks paid leave in UK for primary and secondary caregivers)
• Employee discount site
• Discounted parking

Experience operating and supporting Identity Provider or Identity-as-a-Service platforms, ideally Okta but other Identity platforms will be consideredExperience with Terraform, GitHub, CI/CD automation and scripting toolsStrong software engineering capability across C# .NET APIs, backend services and secure integrationsHands‑on experience with Microsoft Azure, identity integration and cloud-native servicesStrong problem‑solving skills with the ability to collaborate, mentor and support colleaguesStrong knowledge of OAuth 2.0, OIDC, SAML, SSO, MFA and identity security controlsDesirable: Okta administration, SCIM provisioning, access governance, GraphQL, Playwright, TypeScript, Terraform-based infrastructure provisioning, AI-assisted engineering tools and regulated financial services experience