The team
Product depth from former Tricentis experts. Engineering breadth beyond it.
Seven members of our senior team spent a combined 40+ years at Tricentis before joining Dolpheen. Our non-SAP and performance practice comes from engineers who built open-source frameworks and load tests in insurance, logistics and public sector.
Qualification baseline
ISTQB is our baseline.
Every Dolpheen consultant holds at least the Certified Tester Foundation Level qualification. Several also hold advanced qualifications in test management and test analysis, alongside role-specific Tricentis certifications.
Leadership
Accountability starts at the top.
Dolpheen's leadership stays close to architecture, delivery quality and customer decisions — from the first assessment through execution and operation.
Founder & CEO
Yunus Saylan, M.Sc.
Founded Dolpheen in Vienna in 2020 after roles at Tricentis and in test automation consulting. Still hands-on as a QA architect: led the introduction of qTest as the central test management system for a logistics group and the quality engineering for an SAP S/4HANA migration at a utility, including impact analysis with LiveCompare. Seven Tricentis Tosca certifications, including Automation Engineer for SAP, DB and API. First point of contact for every new engagement.
CTO
Ibrahim Bektas
Leads Dolpheen's technical QA practice since 2021: tooling decisions, framework architecture, CI/CD test pipelines and the internal engineering standards. His background is the non-SAP side of the house — Playwright, Selenium and API automation, plus load and performance testing with K6, JMeter and Gatling. Built requirement-based automation frameworks from scratch for a federal IT provider, a logistics digitalisation programme and an insurer. Business informatics, Győr.
Director of Operations · Prokurist
Jia Jun Zhan
Joined Tricentis in 2015 as Customer Solution Expert and moved into consulting in 2019. At Dolpheen since 2020: test automation lead on an S/4HANA migration programme, SAP automation architect for Ariba, Fiori and GUI, and since 2025 responsible for operations and delivery across the Vienna team. Business informatics, WU Wien. ISTQB Advanced Level Test Manager, Tosca Test Architect.
Senior specialists
More than implementation experience.
Product development, customer solutions, support escalation, platform operations and enterprise consulting give this team a perspective that reaches beyond standard tool training.
Most of the specialists below have worked with Tosca for more than a decade. Their years as Tricentis employees are only part of that — the larger part comes from building, operating and rescuing test estates in enterprise programmes.
Test Manager & Senior Automation Engineer
Julian Janakiev
Tosca since 2008 · 9 years at Tricentis
Julian joined Tricentis in 2008 as Senior Consultant and spent nine years there: test automation and SAP testing for retailers, banks, insurers and public administration, synthetic test data, test coordination in an SAP IS-U unbundling programme, and building Distributed Execution environments. Four years as test automation expert in the gaming industry followed, then Dolpheen in 2023. He owns test architecture and CI/CD for Tosca and SAP: Tosca Server and DEX setup, process optimisation, training and onboarding. Magister in Business Informatics, WU Wien.
ISTQB Advanced Test ManagerTosca Automation Specialist SAP & DB
Tricentis Platform & Operations
Andreas Windbichler
Tosca since 2017 · 8 years at Tricentis
Eight and a half years at Tricentis in three roles: Technical Support Engineer (2017–2019) solving enterprise customer problems across SAP, web, API, Java, mobile and host systems; Support Coach and Tosca Enabler (2019–2021); Lead Support Manager and subject-matter expert for Tosca operations (2021–2025), running the support team and owning critical escalations. At Dolpheen since 2025 he leads Tricentis Platform Support — operation, monitoring and upgrades of Tosca and Tosca Server, including an upgrade with minimal downtime in a customer Center of Excellence. M.Sc. Technical Physics, TU Wien.
ISTQB FoundationTosca Certified Product ConsultantTosca SAP, BI, DB, TQL
Senior Automation Expert
Can Tom Özdogan
Tosca since 2013 · 8 years at Tricentis
Eight years at Tricentis, 2013 to 2021, as Customer Solutions Automation Expert — building automation for customers across SAP, web, API and desktop technologies and administering licences and environments alongside. At Dolpheen he takes on the technically difficult automation: legacy interfaces, complex SAP transactions, unstable test objects — and turns them into stable, maintainable modules. Currently SAP test automation and performance testing for an industrial client.
ISTQB Certified Tester since 2014
Senior Test Automation Engineer
Emre Aydogdu
Tosca since 2011 · 6 years at Tricentis
Working with Tosca since 2011, including six years inside Tricentis testing Tosca components, validating new features before release and building third-party integrations with Jira and HP ALM via Tasktop. Since 2018: automation lead in insurance — SAP and SolMan automation, conversion of manual test catalogues, and distributed execution on Tosca Cloud with execution agents wired into the CI/CD pipeline. EXIN Scrum Master. German C2, English C1, Turkish native.
ISTQB Advanced Test ManagementTosca AS/AEAutomation Specialist for SAP
Test Architect
Dominic Pfeiffer
Tosca since 2015 · 6 years at Tricentis
Six years at Tricentis, 2015 to 2021, developing and quality-assuring Tosca Commander and Tosca Server — API tests, nightly regression, performance testing of the product itself — plus test environments and CI/CD pipelines for finance and insurance customers. At Dolpheen since 2021: test strategy and repository architecture in banking and insurance, CI/CD test environments, workshops and mentoring.
ISTQB FoundationTosca AS/TDS/AE · SAP & DB · TQLqTest
Quality engineering & delivery
The people behind the testing.
Automation, performance, test management and hands-on execution — connected in one team.
Senior Test Manager
Gurpreet Singh
ISTQB Advanced Test Manager · AI testing
Brings test strategy, quality governance and delivery coordination together. His experience includes UAT management, quality gates and building testing processes in banking and telecommunications. He aligns business stakeholders, test teams and release management around risk, progress and reporting that leads to decisions.
Test Automation & Performance Engineer
Florian Dienesch
Tosca · NeoLoad · JMeter
Connects functional automation with load and performance testing: scenario design for SAP, web and API landscapes, regression suites, distributed execution and test data management. Tosca Product Consultant, NeoLoad Product Consultant and Product Delivery Expert.
Senior Test Automation Specialist
Fai Almuslim
Tosca · SAP S/4HANA · Test management
Combines hands-on Tosca automation with test management for SAP programmes: S/4HANA and utilities scenarios, regression planning, defect coordination and test team organisation. Works with reusable test assets and distributed execution to keep business-critical processes covered through a transformation.
Test Automation Engineer
Tsvetelina Gorinova
Tosca · SAP GUI & Fiori
Translates business scenarios into automated SAP regression tests across SAP GUI, Fiori and SOAP interfaces. She combines test analysis, automation and documentation so that coverage stays understandable to engineering and business alike.
Test & Automation Engineer
Adam Zahradnik
Selenium · API testing · SAP
Test analysis, system and integration testing, and automation across SAP and non-SAP applications — Selenium and Java, Tosca, API testing with ReadyAPI and SoapUI, regression wired into CI/CD. He turns requirements into traceable scenarios and clear defect reports.
Test & Automation Consultant
Baris Karadogan
Web & mobile · Selenium · Appium
Manual and automated testing across payment, web and mobile applications: Selenium and Appium automation, regression prioritisation, test data and defect analysis, coordinated with development and business stakeholders across release cycles.
Junior Test Automation Engineer
Neslihan Atceken
ISTQB Certified Tester · Tosca
ISTQB Certified Tester, like every consultant at Dolpheen. Works in Tosca automation and test execution within our senior-led delivery teams — building and maintaining regression modules under the review of the team's test architects.
Business operations
Keeping Dolpheen moving.
Contracts, orders, invoicing and coordination are handled in-house — so the people on your project stay on your project.
Executive Assistant
Nagihan Dincer
· Leadership support · Coordination
Supports the management team and coordinates day-to-day operations — appointments, communication, orders and delivery documentation.
Accounting
Nuriye Bastug
· Finance administration
Handles accounting and day-to-day financial administration, and coordinates with our external tax advisors.