Senior Software Engineer - TypeScript - Government

SR2; United Kingdom; On-site; GBP 60,000 - 75,000; Full time

Job summary

A leading tech company in the United Kingdom is seeking a Senior Software Engineer to design, build, and deliver secure digital services for the public sector. Candidates should have over 5 years of experience, strong skills in TypeScript and AWS, and experience in government projects is preferred. This role offers the opportunity to work on cloud-native solutions and microservices.

Qualifications

• 5+ years' experience in large-scale software engineering.
• Experience in government or GDS-aligned projects.
• Strong problem-solving and communication skills.

Responsibilities

• Develop and maintain applications using TypeScript with Express or Fastify.
• Build microservices and RESTful APIs with Node.js and React.
• Design and deploy AWS solutions using Lambda, CloudFormation, and ECS.

Skills

TypeScript

JavaScript

Express

Fastify

AWS

Terraform

Docker

CI/CD

Automated testing

Problem-solving

Communication

Job description

Senior Software Engineer - TypeScript - Government

We’re looking for a Senior Software Engineer to design, build, and deliver secure, scalable digital services for the UK public sector. You’ll develop cloud-native systems using TypeScript, AWS, and modern frameworks, ensuring high performance, resilience, and compliance.

Key Responsibilities

• Develop and maintain applications using TypeScript with Express or Fastify.
• Build microservices and RESTful APIs with Node.js and React.
• Design and deploy AWS solutions using Lambda, CloudFormation, AWS SAM, API Gateway, and ECS.
• Implement Infrastructure as Code with Terraform and CloudFormation.
• Create and optimise CI/CD pipelines (e.g. GitHub Actions).
• Containerise and deploy with Docker.
• Conduct unit testing (Mocha, Jest, AWS SAM).
• Apply security and performance best practices throughout development.

Essential Skills & Experience

• Experience in government or GDS-aligned projects.
• 5+ years' experience in large-scale software engineering.
• Strong in TypeScript, JavaScript, Express/Fastify, and AWS.
• Expertise in Terraform, IaC, and microservice architectures.
• Hands-on experience with CI/CD, Docker, and automated testing.
• Strong problem-solving and communication skills.