Senior Typescript Backend Developer

Vanguard; Greater London; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Vanguard, a global investment firm, is seeking a backend engineer to develop authentication services and RESTful APIs using TypeScript, Node.js and NestJS. You will deploy and monitor applications in AWS, manage production systems, and contribute to CI/CD and testing practices.

You will collaborate with product, security and engineering teams to deliver secure, scalable solutions in a hybrid setup with 3 days in the London office.

Qualifications

• Strong experience with TypeScript, Node.js and NestJS or Express APIs.
• Hands-on AWS experience: ECS, Lambda, CloudFront, S3, Secrets Manager.
• Infrastructure as Code: CloudFormation, CDK or Terraform.

Responsibilities

• Develop and enhance backend services supporting authentication and MFA platforms.
• Design, build and maintain RESTful APIs using TypeScript, Node.js and NestJS.
• Deploy, monitor and support applications within AWS using Infrastructure as Code.
• Maintain production services, including updates, migrations and operations.
• Contribute to CI/CD pipelines and automated testing for reliability.
• Collaborate with product, security and engineering teams to deliver secure solutions.

Skills

TypeScript

Node.js

NestJS

Express

OAuth 2.0

JWT

Git

CI/CD

Jest

OpenTelemetry

Kong

Aurora PostgreSQL

DynamoDB

IAM

Encryption

Networking

Azure

CloudWatch

Tools

AWS ECS

Lambda

CloudFront

S3

Secrets Manager

CloudFormation

CDK

Terraform

GitHub Actions

Kong

PostgreSQL

DynamoDB

Job description

Work Setup: Hybrid - 3 days in the office

Who We Are

Vanguard is a global investment firm known for low-cost funds and ETFs, helping investors achieve long-term financial goals with transparent, disciplined strategies.

What you'll do

• Develop and enhance backend services supporting authentication and MFA platforms.
• Design, build and maintain RESTful APIs using TypeScript, Node.js and NestJS.
• Deploy, monitor and support applications within AWS using Infrastructure as Code.
• Maintain production services, including software updates, database migrations and operational support.
• Contribute to CI/CD pipelines, automated testing and continuous improvements to engineering practices.
• Collaborate with product, security and engineering teams to deliver secure, reliable technical solutions.

What you bring

• Strong commercial experience with TypeScript, Node.js and NestJS or Express, with a proven track record of building RESTful APIs.
• Hands-on experience with AWS services including ECS, Lambda, CloudFront, S3 and Secrets Manager, alongside Infrastructure as Code using CloudFormation, CDK or Terraform.
• Good understanding of authentication technologies such as OAuth 2.0 and JWT, with exposure to identity or MFA platforms (e.g. Auth0 or Transmit Security) being advantageous.
• Experience using Git, CI/CD tools (such as GitHub Actions), and writing unit and integration tests with Jest.
• Knowledge of microservices architecture, API gateways (such as Kong), and databases including Aurora PostgreSQL or DynamoDB would be beneficial.
• Familiarity with security principles including IAM, encryption and networking, alongside observability tools such as OpenTelemetry, Honeycomb or Grafana.

We are committed to creating an inclusive recruitment experience. If you require support or adjustments to the recruitment process, our Adjustment Concierge Service is here to help. Please feel free to contact us at [e-mail] to discuss how we can support you.

We welcome applications from all candidates and are committed to providing equal opportunities.