Senior .NET Automation Tester — Hybrid, SQL‑Driven CI/CD

OPTIVEUM sp. z o.o.; Województwo mazowieckie; Hybrid; PLN 153,000 - 219,000; Full time

Job summary

OPTIVEUM sp. z o.o. is seeking a Senior IT Automation Tester to support a banking-sector client. You will own and scale automated test suites in a C#/.NET 8 environment and ensure smooth pipelines in Bitbucket and Bamboo. The role combines manual testing support with strong data-focused validation.

Candidate should have 2+ years in test automation on .NET, strong SQL skills, NUnit experience, and fluent English. Hybrid work model with up to 60% from the office in Gdańsk, Gdynia or Warsaw.

Qualifications

• 2+ years of test automation experience on .NET stacks (C#).
• Strong SQL skills – the team works mainly on databases.
• Hands-on experience with NUnit and test runners.
• CI/CD automation experience with Bitbucket and Bamboo.
• Fluent Git knowledge, code review practices and experience maintaining test pipelines.
• Strong failure diagnostics and debugging skills.
• Openness to partially manual testing.
• Advanced English.
• Nice to have: Exposure to Pega.

Responsibilities

• Own, develop and scale automated test suites in a C# / .NET 8 solution
• Design and maintain tests using NUnit and related test runners
• Build and maintain automated test pipelines in Bitbucket and Bamboo
• Write and run SQL queries to validate data and test database-heavy functionality
• Diagnose test failures, debug issues and work with developers on root causes
• Take part in code reviews and follow good Git practices
• Support manual testing where needed

Skills

C# / .NET

SQL

NUnit

CI/CD

Git

Manual testing

Debugging

English

Tools

Bitbucket

Bamboo

Git

Job description

OPTIVEUM sp. z o.o. is seeking a Senior IT Automation Tester to support a banking-sector client. You will own and scale automated test suites in a C#/.NET 8 environment and ensure smooth pipelines in Bitbucket and Bamboo. The role combines manual testing support with strong data-focused validation.

Candidate should have 2+ years in test automation on .NET, strong SQL skills, NUnit experience, and fluent English. Hybrid work model with up to 60% from the office in Gdańsk, Gdynia or Warsaw.