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About the Role

In the European Client Identity team, we are building and operating Vanguard's authentication and MFA platform used by hundreds of thousands of clients across the UK and Europe. This is a hands-on senior full-stack role focused on designing, building, deploying, and operating cloud-based identity services. You will mainly contribute across backend APIs, Cloud Infrastructure, and DevOps. You will work in a highly regulated environment where security, reliability, and operational discipline matter. You don't need to be an identity expert on day one — but you do need strong backend fundamentals, cloud experience, and a responsible, methodical engineering mindset.

Responsibilities

Build and evolve backend services that support client authentication and MFA
Design and implement REST APIs using NestJS / TypeScript
Integrate with identity and MFA platforms (e.g. Transmit Security, Auth0)
Deploy and operate services on AWS, using CloudFormation/CloudBlocks
Run and maintain services in production, including database migrations and updates
Manage vendor-specific software services running in AWS
Write automated tests and contribute to improving test coverage and quality
Participate in CI/CD pipelines, deployments, and operational procedures
Work closely with product and security stakeholders to translate requirements into technical solutions
Continuously improve engineering standards, tooling, and reliability

Requirements

Expertise in TypeScript
Strong backend engineering fundamentals with Node.js and NestJS or Express
Experience designing and building REST APIs
Understanding of authentication protocols: OAuth 2.0, JWT
Hands-on experience with AWS (ECS, Lambda, CloudFront, S3, Secrets Manager)
Familiarity with Infrastructure as Code (CloudFormation or CDK/Terraform)
Strong Git practices and CI/CD experience (GitHub Actions or similar)
Experience writing unit and integration tests (Jest)

Skills

TypeScript
Node.js
NestJS
Express
REST APIs
OAuth 2.0
JWT
AWS
ECS
Lambda
CloudFront
S3
Secrets Manager
CloudFormation
CDK
Terraform
Git
CI/CD
GitHub Actions
Jest
Identity
Authentication
MFA
Kong API Gateway
Aurora PostgreSQL
DynamoDB
Microservices architectures
IAM
Encryption
Networking
OpenTelemetry
Honeycomb
Grafana

Location

UK
Europe

Work Type

Hybrid

Experience Level

Senior

About the Company

Vanguard is a different kind of investment company. It was founded in the United States in 1975 on a simple but revolutionary idea: that an investment company should manage its funds solely in the interests of its clients. This is a philosophy that has helped millions of people around the world to achieve their goals with low-cost, uncomplicated investments. It's what we stand for: value to investors.

Equal Opportunity

Vanguard’s continued commitment to diversity and inclusion is firmly rooted in our culture. Every decision we make to best serve our clients, crew (internally employees are referred to as crew), and communities is guided by one simple statement: “Do the right thing.” We believe that a critical aspect of doing the right thing requires building diverse, inclusive, and highly effective teams of individuals who are as unique as the clients they serve. We empower our crew to contribute their distinct strengths to achieving Vanguard’s core purpose through our values. When all crew members feel valued and included, our ability to collaborate and innovate is amplified, and we are united in delivering on Vanguard's core purpose: to take a stand for all investors, to treat them fairly, and to give them the best chance for investment success.