Senior TypeScript & AWS Backend Engineer

Rent-your-recruiter; Gaston Devoswijk; On-site; EUR 90,000 - 120,000; Full time

Job summary

EasyPost Belgium is seeking a Senior Software Engineer to own features from design through production, focusing on backend and cloud engineering. You will shape the platform’s architecture, evaluate trade-offs and translate business needs into practical technical designs.

You'll design TypeScript services, AWS Lambda functions and serverless pipelines, collaborating with team leads and product management to deliver reliable, secure solutions at scale.

Qualifications

• Senior-level experience designing, building and operating production software.
• Strong TypeScript and Node.js skills.
• Hands-on experience with AWS serverless or event-driven systems.
• Experience defining infrastructure as code, preferably with AWS CDK.
• A security-conscious approach to personal data, credentials and encryption.

Responsibilities

• Design and develop TypeScript services, AWS Lambda functions and NestJS APIs.
• Build and maintain serverless infrastructure using AWS CDK.
• Translate business requirements into technical designs together with the team lead.
• Contribute to architectural decisions and document their context, trade-offs and consequences.
• Create resilient event-driven workflows that handle retries, duplicate events, timeouts, concurrency and partial failures.
• Write unit, integration and end-to-end tests using Jest.
• Monitor production systems and investigate issues across application code, AWS infrastructure and external integrations.
• Review code, mentor colleagues and raise engineering standards across the team.
• Improve our development, CI/CD and deployment processes.
• Collaborate with frontend engineers to ensure backend services and APIs support complete, reliable user journeys.

Skills

TypeScript

Node.js

AWS

Serverless

REST APIs

DynamoDB

CI/CD

Security

Testing

Mentoring

Tools

AWS CDK

NestJS

OpenSearch

React

Job description

EasyPost Belgium is seeking a Senior Software Engineer to own features from design through production, focusing on backend and cloud engineering. You will shape the platform’s architecture, evaluate trade-offs and translate business needs into practical technical designs.

You'll design TypeScript services, AWS Lambda functions and serverless pipelines, collaborating with team leads and product management to deliver reliable, secure solutions at scale.