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I'm a Senior QA Engineer with 10+ years of experience across agile, mobile, and SaaS environments. I lead QA processes, release cycles, and team standards, focusing on end-to-end quality, cross-functional collaboration, and test automation. I'm passionate about user experience, documentation quality, and building reliable release pipelines that teams can depend on. I enjoy mentoring, improving test coverage, and partnering with product and engineering to deliver high-quality releases with minimal defects.…I'm a Senior QA Engineer with 10+ years of experience across agile, mobile, and SaaS environments. I lead QA processes, release cycles, and team standards, focusing on end-to-end quality, cross-functional collaboration, and test automation. I'm passionate about user experience, documentation quality, and building reliable release pipelines that teams can depend on. I enjoy mentoring, improving test coverage, and partnering with product and engineering to deliver high-quality releases with minimal defects.

Cigdem Mattulat

QA Engineer, Full Stack Developer, Back-End Developer, +2

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I'm a Senior QA Engineer with 10+ years of experience across agile, mobile, and SaaS environments. I lead QA processes, release cycles, and team standards, focusing on end-to-end quality, cross-functional collaboration, and test automation. I'm passionate about user experience, documentation quality, and building reliable release pipelines that teams can depend on. I enjoy mentoring, improving test coverage, and partnering with product and engineering to deliver high-quality releases with minimal defects.…I'm a Senior QA Engineer with 10+ years of experience across agile, mobile, and SaaS environments. I lead QA processes, release cycles, and team standards, focusing on end-to-end quality, cross-functional collaboration, and test automation. I'm passionate about user experience, documentation quality, and building reliable release pipelines that teams can depend on. I enjoy mentoring, improving test coverage, and partnering with product and engineering to deliver high-quality releases with minimal defects.

Available to hire

I’m a Senior QA Engineer with 10+ years of experience across agile, mobile, and SaaS environments. I lead QA processes, release cycles, and team standards, focusing on end-to-end quality, cross-functional collaboration, and test automation.

I’m passionate about user experience, documentation quality, and building reliable release pipelines that teams can depend on. I enjoy mentoring, improving test coverage, and partnering with product and engineering to deliver high-quality releases with minimal defects.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Work Experience

Senior QA Engineer at Sirius GmbH

March 1, 2025 - Present

Own and manage the full release cycle — defining release schedules, coordinating dependencies across teams, and ensuring predictable, low-risk deployments. Lead end-to-end QA strategy across agile teams, covering functional, regression, UI, and automated testing on web and mobile platforms. Introduced structured bug reporting workflows and QA best practices, reducing QA-to-fix turnaround time by 30%. Mentor junior QA engineers and built onboarding documentation to improve test coverage consistency. Collaborate with product, engineering, and support to triage issues and deliver high-impact releases with minimal defects.

QA Engineer & Release Manager at Camunda Services GmbH

January 1, 2021 - February 1, 2024

Contributed to the full STLC of the Camunda BPM Platform — planning and executing manual tests, SaaS testing, security pentests, and automated E2E tests. Served as release manager across multiple product streams, gaining a cross-product view essential for coordinating complex, dependency-heavy releases. Collaborated with product managers and designers to shape UX decisions early in the design phase, ensuring products continuously matched user expectations. Identified bottlenecks in QA and release processes and implemented targeted improvements to increase speed and reliability.

QA Engineer at Testinium

July 1, 2020 - December 1, 2020

Supported major clients including The Coca-Cola Company and Turkcell with mobile QA on Android and iOS applications within their Salesforce environments. Contributed to STLC processes and UX design across frequent project rotations.

QA Engineer at Freelance QA Consultant

November 1, 2018 - June 1, 2020

Consulted multiple early-stage startups on QA strategy, test process implementation, and quality standards — working independently with minimal oversight across diverse tech stacks.

QA Engineer at Turkiye Is Bankasi (via Technology Development Group)

April 1, 2017 - October 1, 2018

Executed exploratory, regression, functional, and UAT testing in a high-stakes production banking environment. Collaborated with Business Analysts and Product Managers on test strategy planning for FX, Western Union, and risk assessment modules.

QA Engineer at ICOM Information Services

March 1, 2015 - January 1, 2017

Started career supporting a Java-based software team with code contributions, later transitioning into a dedicated manual software testing role as QA became central to the company.