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We're looking for an experienced Automation Test Engineer to design, build, and maintain automated API and UI tests in a modern CI/CD environment for our client. You'll work closely with developers, DevOps, and QA teams in Agile workflows to ensure high-quality, scalable solutions.

Key Responsibilities

Develop and maintain automated API and UI tests.

Integrate test suites into CI/CD pipelines.

Support performance testing and optimize test coverage.

Collaborate with cross-functional teams in Agile/Scrum environments.

Essential Skills

API Testing: RestSharp, Postman, or similar; validate functionality, performance, and security.

Test Automation: C# or similar; Selenium WebDriver for UI automation.

CI/CD & DevOps: Pipeline integration and automation workflows.

Performance Testing: Familiarity with tools like JMeter.

Cloud & Containers: Understanding of Docker, Kubernetes

Database Knowledge: MongoDB, Azure Storage, or similar.

Desired Experience

5+ years in automated API/UI testing.

2+ years in CI/CD, performance testing, and containerization/orchestration.

GCS is acting as an Employment Business in relation to this vacancy.

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Role- QA Test Analyst (.Net & C#)

Key Responsibilities

Develop and execute detailed test plans and test cases across both the legacy Oracle-based platform and the new C#/.NET services.Validate that the re-engineered C# logic faithfully reproduces the functionality of existing Oracle PL/SQL procedures, triggers, and packages.Perform end-to-end data validation to ensure consistency and correctness during the migration.Collaborate with developers, DBAs, and business analysts to extract requirements, define expected behaviour, and identify test coverage needs.Support regression, integration, and system-level testing in a hybrid environment where both platforms co-exist temporarily.Assist with implementing or optimising automated testing tools and frameworks to enhance test repeatability and efficiency.Document test outcomes clearly, raise defects with actionable detail, and contribute to tracking and resolution workflows.Help shape QA best practices and contribute to quality standards for phased migration projects.

Required Skills & Experience

3+ years of experience in software quality assurance, with involvement in enterprise-scale or migration-driven initiatives.Strong understanding of database-centric testing, including SQL querying, data reconciliation, and stored procedure validation.Familiarity with Oracle PL/SQL and experience validating its logic during transformation into .NET-based systems.Experience in migration of databases.Proficient and experienced in developing test plans comparing legacy and new system results to ensure no issues once a solution has migrated to the new platform/s.Experience working in hybrid environments where legacy and modern components run in parallel.Proficiency in designing and executing both manual and automated backend and integration-level tests.Strong attention to detail, analytical thinking, and problem-solving skills.Clear communicator, comfortable working across cross-functional teams and documenting complex scenarios.

Desirable Skills

Exposure to QA in both PHP and .NET environments.Experience with test automation tools or frameworks (e.g., Postman, Selenium, JMeter, or similar).Familiarity with AI-assisted tools for test generation, code analysis, or quality monitoring.Understanding of ETL processes and experience validating data transformations or pipeline behaviours.Background in agile delivery methods and working within sprint-based or iterative development cycles.

GCS is acting as an Employment Business in relation to this vacancy.

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Test Analyst

Location: Remote (UK) - Must be able to work US hours (Texas timezone, GMT -5)

Contract Type: Outside IR35 Contractor

Tester with Oracle & PostgreSQL Experience for Migration Projects (Fully Remote, UK-Based)

We are looking for an experienced Tester with strong Oracle and PostgreSQL knowledge to support a US-based migration project. While migration experience from any platform is acceptable, familiarity with Oracle and PostgreSQL environments is essential. You will be responsible for writing and executing detailed test scripts and test cases to ensure a successful migration. This is a fully remote role, working UK hours aligned to Texas time (GMT -5).

Requirements:

Solid experience working with both Oracle and PostgreSQL databasesFull test life cycle experienceWrite test scripts and test casesAbility to work US hours (Texas timezone, GMT -5) from the UKExcellent communication and remote teamwork skills

Please send across an updated CV if this position is of interest

GCS is acting as an Employment Business in relation to this vacancy.

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