Overview
QA Engineer Jobs in London Area, United Kingdom at Forsyth Barnes
Title: QA Engineer
Company: Forsyth Barnes
Location: London Area, United Kingdom
QA Engineer – Remote | £475–£500/day | Outside IR35 – 3 Month Contract
We are looking for an experienced QA Engineer to join our team on a 3 month contract. This role is paying £475–£500 per day and is Outside IR35.
You will be responsible for ensuring the quality and reliability of API integrations and payment-related workflows, working closely with developers to validate new features, identify defects, and support the delivery of robust, high-quality software.
Core Requirements
- Strong commercial experience testing C#/.NET APIs
- Hands-on experience with testing tools such as Postman, REST Assured, Playwright, or similar automation/testing frameworks
- Experience testing webhooks, asynchronous event-driven workflows, and terminal/POS transaction flows
- Solid understanding of API testing, debugging, and validating request/response behaviour
- Experience creating and executing test cases, identifying defects, and working collaboratively with development teams to resolve issues
- Comfortable working within Agile delivery environments
Desirable Skills
- Experience working with Adyen payment integrations
- Knowledge of payment processing, transaction lifecycles, and POS testing
- Previous experience testing payment gateways or fintech/payment solutions
This is an excellent opportunity for a QA Engineer with strong API testing experience to work on a modern payments platform within a collaborative, remote-first team.
