Oksana

Oksana Ratushna
Warsaw, Poland ∙ e-mail: [відкрити контакти](див. вище в блоці «контактна інформація») ∙ tel: [відкрити контакти](див. вище в блоці «контактна інформація»)
Eligible for remote contract roles across EU, UK, and US |
Extensive experience working with EU, UK and US clients

Project Manager and Agile leader with 15+ years of experience leading large-scale, cross-functional
programs for global enterprises. Experienced in Scrum facilitation, project planning, dependency and risk
management, stakeholder communication, and continuous improvement in complex multi-team
ecosystems. Combine strong Agile delivery leadership with hands-on experience in AI-enabled process
automation, metrics reporting, and supporting technology teams in fast-paced enterprise environments.

Core Skills

Delivery Management, Multi-team & Scaled Agile (Scrum, Kanban, SAFe), Strategic Planning & Execution,
Dependency & Risk Management, Budget & Resource Planning, Stakeholder & Vendor Management,
Stakeholder & Client Reporting, Timeline & Milestone Ownership, Software Architecture (high-level),
Quality Strategy, Post-Project Reviews, CI/CD Governance, Release Management, Change Management,
GenAI, AI‑Assisted Metrics & Reporting, Data Analysis & Database Fundamentals.

Work Experience

EPAM Systems Mar 2015 - Present
Project Manager / Lead Software Engineer in Test Kyiv, Ukraine
Warsaw, Poland
Project Manager / Scrum Master

✔ Implemented internal AI initiatives using GenAI (Claude) to support project management workflows,
improving visibility into delivery metrics and reducing manual reporting effort.
✔ Led end-to-end transformation of a legacy in-store retail application into a modern service-based
architecture, supporting high-volume consumer transactions across multiple European markets,
managing a distributed team of ~40 members across 5 locations for fixed-price project; owned full
delivery lifecycle including Scrum ceremonies, scope, roadmap, stakeholder communication, risk
mitigation, dependency management, executive reporting, and ensured phased rollout with
operational continuity and improved scalability.
✔ Delivered a seamless transition from Capita to the Worldline payment service across a complex
monolith landscape with 10+ dependent applications and services, achieving zero critical downtime
and 100% on-time milestone delivery by orchestrating cross-team collaboration and managing
dependencies alongside concurrent Verifone-to-ACI migration efforts.
✔ Led large-scale, distributed delivery of a new platform environment across 15 feature teams (200–
250 contributors), ensuring seamless CI-level coordination and uninterrupted end-to-end delivery.
✔ Governed program-level risks, dependencies, milestones, and release processes ensuring
seamless execution during concurrent migrations.
✔ Acted as a servant leader and escalation point, removing delivery impediments, coaching teams
on Agile best practices.
✔ Facilitated and governed all Scrum ceremonies to support delivery planning, progress tracking, and
risk management, ensuring alignment between team execution, project timelines, and business
objectives.
✔ Acted as single point of accountability between client stakeholders, internal delivery teams, and
external vendors, ensuring deadlines, scope, and KPIs were met.
✔ Owned delivery outcomes for fixed-price engagements, ensuring 100% on-time milestones.

Quality Assurance Manager / Lead of AQA Team / Auditor
✔ Led quality and technology transformation initiatives across the program, increasing delivery
throughput by 40% and improving overall product quality by 20%.
✔ Implemented quality assurance engineering solutions on 5 projects.
✔ Conducted audits and provided consulting for 40+ projects, improving product quality by creating
actionable plans to achieve targeted KPIs.

Palladin Institute of Biochemistry of NAS of Ukraine Dec 2008 – Dec 2024
Advanced Scientific Researcher (part-time, consulting) Kyiv, Ukraine

✔ Coordinated a research team of 5 and delivered published research across oncology and metabolic
diseases
✔ Authored 35 peer reviewed publications and presented at 34 international conferences
✔ Recipient of national awards and international research grants

Options University Dec 2011 – Apr 2022
Project Manager (part-time, consulting) Kyiv, Ukraine
✔ Achieved 15–20% annual revenue growth by leading a team of 6 and optimizing customer support,
automation, content operations, and digital marketing campaigns

Education

Taras Shevchenko National University Kyiv, Ukraine
PhD in Biochemistry 2010 - 2014
Master in Biotechnology 2008 - 2010
Bachelor in Microbiology 2004 - 2008

Certification
Claude Certified Architect (2026)
EPAM Gen AI for Managers (2026)
EPAM Delivery Management (2026)
Professional Scrum Product Owner I (2025) - https://www.scrum.org/certificates/1276195
Professional Scrum Master I (2025) - https://www.scrum.org/certificates/1275818
EPAM Leadership (2025)
EPAM Quality Architecture and Management School (2023)
SAFe for Teams Course (4.5) (2018) - Scaled Agile (SAFe®) - Credential ID 71126013-5911

Additional Information

Interests: learning about cultural and natural diversity (traveled to 35 countries); watercolor
painting for the past three years; researching AI transformation

Languages: English (C1 level), Ukrainian (native)
Extensive experience leading and engaging multilingual, globally distributed teams
and stakeholders