Senior Software Engineer in London - Arrive

WorksHub; London; On-site; GBP 45,000 - 70,000; Full time

Job summary

A leading company is seeking a skilled engineer to maintain and improve their serverless card payment infrastructure, primarily working with TypeScript, Node.js, and various AWS services. The ideal candidate will have a strong understanding of API security and PCI DSS compliance, with hands-on experience in Docker and Linux. This opportunity is perfect for professionals eager to contribute to secure payment systems in a dynamic environment.

Qualifications

• Strong hands-on experience with TypeScript and Node.js.
• Proficiency with AWS services in a serverless context.
• Frontend familiarity (e.g. React) is helpful.

Responsibilities

• Maintain and expand serverless card payment infrastructure using TypeScript, Node.js, and AWS.
• Ensure continued PCI DSS compliance.
• Fix bugs and implement minimal new APIs for client interfaces.

Skills

RESTful design

API security

Docker

Linux

Git

PCI DSS

Tools

AWS

TypeScript

Node.js

CloudFront

API Gateway

Lambda

DynamoDB

CloudWatch

Job description

Skills and Experience

Key qualifications for this position include:

• Strong understanding of RESTful design and secure authentication.
• Demonstrated knowledge of API security and OWASP Top 10 vulnerabilities.
• Experience with Docker, Linux, Git, and container-based environments.
• Working familiarity with PCI DSS, payment systems, or other regulated environments.

Requirements

We are looking for candidates with the following:

• Strong hands-on experience with TypeScript and Node.js.
• Frontend familiarity is helpful (e.g. React).
• Proficiency with AWS services in a serverless context, especially CloudFront, API Gateway, Lambda, DynamoDB, and CloudWatch.

Responsibilities

Key responsibilities in this role will include:

• Maintaining and expanding our serverless card payment infrastructure built with TypeScript, Node.js, and AWS (Lambda, API Gateway, DynamoDB).
• Ensuring continued PCI DSS compliance.
• Working with others to fix bugs and implement minimal new APIs that interface with our clients.