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Backend QA Engineer (TypeScript, Playwright)

Jobgether • United Kingdom
Remote
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Seeking a Backend QA Engineer to ensure software quality for a high-traffic platform. Responsibilities include manual and automated testing of transaction lifecycles, API integrations, and event-driven workflows. Requires 4+ years of experience, TypeScript/Playwright automation, and iGaming industry exposure.

Key Highlights
Ownership of software quality for a high-traffic backend platform.
Combine manual testing with automated test development using TypeScript and Playwright.
Validate complex transaction lifecycles, API integrations, and event-driven workflows.
Key Responsibilities
Analyze business requirements, functional specifications, and user stories to design comprehensive test cases, scenarios, and validation strategies.
Perform end-to-end testing of transaction lifecycles, including initiation, authorization, settlement, and reconciliation, ensuring accuracy and consistency across the platform.
Proactively explore the system to identify edge cases, unexpected behaviors, potential risks, and defects that may not be covered by documented requirements.
Develop, maintain, and improve automated regression test suites using TypeScript and Playwright, prioritizing critical business workflows and high-risk functionality.
Automate API testing and validate REST and gRPC endpoints using tools such as Postman, grpcurl, or equivalent solutions.
Test event-driven architectures and message-based workflows involving technologies such as Kafka, RabbitMQ, or NATS, including retry mechanisms, duplicate message handling, and failure scenarios.
Execute regression testing following deployments, combining automated and manual testing wherever automation coverage remains incomplete.
Document, report, and track defects in Jira, providing clear reproduction steps, relevant request payloads, service logs, and supporting evidence.
Validate data consistency across backend services using SQL queries and database checks when necessary.
Collaborate with backend developers and other stakeholders to investigate defects, verify fixes, improve test coverage, and strengthen overall software quality.
Contribute to continuous improvement of QA processes, testing standards, and automation practices throughout the software development lifecycle.
Technical Skills Required
TypeScript Playwright API Testing
Benefits & Perks
Fully remote work
Generous time off
Professional growth opportunities
Nice to Have
Familiarity with Go or the ability to read and understand Go code is an advantage.
Basic SQL knowledge and the ability to query relational databases to validate data integrity are desirable.
Experience supporting User Acceptance Testing (UAT) with business stakeholders is a plus.
Exposure to CI/CD pipelines and automated testing integration is beneficial.
Familiarity with Kubernetes, observability tools, and monitoring practices is an advantage.
Understanding of microservices architectures and distributed backend systems is desirable.

Job Description

As a Backend QA Engineer, you will take ownership of software quality across a high-traffic backend platform, ensuring reliable performance and seamless transaction processing. You will combine hands-on manual testing with automated test development to identify defects early and prevent issues from reaching production. Working closely with engineering teams, you will validate complex transaction lifecycles, API integrations, and event-driven workflows across distributed services. You will develop and maintain automated test suites using TypeScript and Playwright while strengthening regression coverage and testing efficiency. This role offers the opportunity to contribute to a growing B2B technology platform within a dynamic, international, fully remote environment. Your analytical mindset and attention to detail will help establish robust quality practices as the platform scales.
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