Anton

Anton Tolstenko
Product Owner, Business Analyst, and QA professional with Area(s) of specialization
experience across iGaming, gambling, banking, e-commerce,
and medicine domains. Brings hands-on experience in manual Business Analysis
software testing, requirements analysis and documentation, Product Ownership
Scrum/Kanban delivery, stakeholder collaboration, QA
Quality Assurance
leadership, and mentoring, with a strong focus on process
improvement and cross-functional delivery. QA Leadership
Stakeholder Management
Technical skills & Domain Expertise
Languages
English: Advanced
iGaming & Domain Knowledge
PAM Systems, Game Aggregators, Game Mechanics, Payment
Systems, Fraud Prevention, Risk Management, Player Retention

System & Integration Analysis
WebSocket, Webhook, REST API (Endpoints, Requests,
Response Schemas), Data Flows, Context Diagrams, Gap &
Impact Analysis

Requirements & Product Management
BRD, FRD, NFR, Detailed User Stories, Backlog Management,
User Flows, Regulatory Compliance (GDPR, PCI DSS)

Testing

Manual software testing; functional, integration, regression,
smoke, and sanity testing; mobile (iOS, Android), web, and desk-
top testing; test cases; checklists; DEMO
Methodologies & Frameworks
Agile (Scrum, Kanban), SDLC, Gap Analysis, Risk Mitigation

Tools & Software
JIRA, TestRail, Swagger, SiteCore, MS SQL Server, Oracle DB

Design and Collaboration Tools

BPMN; Figma; LucidChart

Soft Skills
Stakeholder collaboration; communication; mentoring; attention
to detail; hardworking

1-6

Area(s) of responsibility
InsulaLabs .
07/2025 - Present
. .

Product Owner

BrainRocket
Project description: High-load iGaming products and game aggregator
integrations operating in a fast-paced cross-functional environment

Responsibilities

• Facilitated Scrum ceremonies (Daily, Re nement, Planning, Retrospective) and owned the end-to-end
Product Backlog management and prioritization

• Collaborated with key business stakeholders to gather, analyze, and translate business needs into detailed
user stories, acceptance criteria, and system ows

• Conducted gap and impact analysis to align new game mechanics, pricing models, and features with tech
stack capabilities and game engine constraints

• De ned technical integration requirements, including REST API structures, WebSocket/Webhook
communications, and payloads for Player Account Management (PAM) and Game Aggregator platforms

• Designed intuitive user ows and optimized platform UI/UX to increase player engagement, conversion,
and retention

• Ensured product features met strict regulatory compliance guidelines (GDPR, PCI DSS, gambling
licenses), fraud prevention standards, and payment system requirements

Achievements
• Led cross-functional engineering teams to successfully deliver 12 major feature releases on time without
sacri cing scope or stability

• Optimized team processes and backlog grooming work ows, reducing overall development cycle time by
20%

• Successfully launched high-performing iGaming products and aggregator integrations, expanding market
reach and driving player engagement

Skills
• JIRA, Scrum, iGaming Domain, PAM Systems, Game Aggregators, API Integration, Gap Analysis,
Regulatory Compliance, Product Roadmapping, UX Optimization
. .

2-6
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GlobalLogic .
06/2021 - 06/2025
. .

Business Analyst/Product Owner

SCM .
Project description: Enterprise-level Medicine-domain solution within
SCM ecosystem

Responsibilities

• Owned the functional requirements lifecycle, developing and maintaining Business Requirements
Documents (BRDs), Functional (FRDs), and Non-Functional Requirements (NFRs)

• Collaborated closely with cross-functional teams and stakeholders to groom, prioritize, and present clear
user stories aligned with business value

• Analyzed complex business processes, creating data ows, context diagrams, and BPMN models to
visualize service-to-service interactions

• Identi ed business gaps, dependency bottlenecks, and operational risks early in the SDLC, driving
proactive mitigation strategies

• Facilitated Agile ceremonies (Scrum/Kanban), ensuring continuous delivery alignment between
engineering, design, and business teams

• Supported functional, integration, and regression testing activities (TestRail, Swagger API validation,
DEMOs) to guarantee high-quality releases

Achievements
• Successfully streamlined stakeholder sign-off processes, reducing requirements approval timelines across
multi-department teams

• Standardised API documentation and integration specs using Swagger, eliminating critical system-to-
system data mismatches across web, mobile, and desktop modules

• Elevated product quality by implementing comprehensive validation checklists and acceptance criteria,
significantly decreasing post-release defects

Skills
• Requirements Engineering (BRD/FRD/NFR), Systems Analysis, Data Flow Diagrams, Swagger, SQL,
TestRail, Agile (Scrum/Kanban), Risk Mitigation, Stakeholder Management

. .

3-6
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LabelLogic .
End-to-end labelling solution for images and video annotations.

Responsibilities

• Collaborated with stakeholders to gather, analyse, and document requirements
• Developed and maintained Business Requirements Documents (BRDs)
• Defined and documented Functional and Non-Functional Requirements (FRDs and NFRs)
• Prepared, managed, and presented user stories
• Participated and facilitated Scrum ceremonies, including grooming and planning
• Identified and addressed business gaps and risks
• Optimised processes
• Supported testing, validation, and stakeholder alignment

Achievements
• Designed and successfully launched automated quality-assurance validation workflows, reducing manual
label re-checking time by 30%

• Standardised data export pipelines across multiple computer vision annotation formats, accelerating model
training integration cycles for enterprise clients

• Streamlined annotation UI/UX tools, resulting in a 25% increase in throughput for image and video frame
labeling

Skills
• Computer Vision / AI Labeling Domain, Data Annotation Workflows, Requirements Engineering (BRD/FRD/
NFR), Backlog Management, User Stories, Scrum, Gap & Impact Analysis, UX Optimization, Quality
Assurance

. .

QA Team Lead/Senior QA Engineer
1 year
Wynnbet/ Betbull UK .
Complex gambling solution for Wynnbet. The project focused on manual testing, requirements analysis,
QA documentation, regression coordination, and customer demonstrations.

SCM .
Medicine-domain solution within SCM. The project focused on manual testing, documentation, bug
tracking, and Scrum/Kanban delivery.

Responsibilities

• Led the team and set up QA activities from scratch
• Reported to QA managers
• Performed manual software testing, including functional, integration, regression, smoke, and sanity
testing
• Presented finished functionality to customers and stakeholders

4-6

• Analysed and wrote requirements
• Worked with QA reports, test plans, test cases, and checklists
• Tracked bugs
• Participated in Scrum and Kanban activities
• Mentored QA team members

Skills
Manual functional, integration, regression, smoke, and sanity testing; QA documentation; bug tracking;
Scrum; Kanban; DEMO; mentoring
. .

. .

Aspire Global .
03/2019 - 06/2021
. .

Senior QA Engineer

Casino, Bingo, Sports Betting .
Online gambling system with a complex solution covering casino, bingo, and sports betting functionality.
The project involved regression ownership, requirements analysis, QA documentation, and support for
Scrum and Kanban delivery.

Responsibilities

• Performed manual software testing, including functional, integration, regression, smoke, and sanity
testing
• Led regression as regression lead
• Analysed and wrote requirements
• Worked with QA reports, test plans, test cases, and checklists
• Tracked bugs
• Participated in Scrum and Kanban activities

Skills
Scrum; Kanban
. .

SBTech .
08/2018 - 03/2019
. .

QA Engineer

Sports Betting .
Online sports betting system with a complex solution. The project involved manual software testing, QA
documentation, bug tracking, and team mentoring.

Responsibilities

• Performed manual software testing, including functional, integration, regression, smoke, and sanity
testing

5-6

• Worked with QA reports, test plans, test cases, and checklists
• Tracked bugs
• Participated in Scrum activities
• Participated in Kanban activities
• Mentored junior team members

Skills
Scrum; Kanban;
. .

Unicorn Systems .
10/2015 - 07/2018
. .

QA Engineer

Oriflame eCommerce .
Online sales system of Oriflame for customers and consultants
maintenance and registration, online shopping, promotions, subscription,
and loyalty program.

Responsibilities

• Performed manual software testing, including functional, integration, regression, smoke, and sanity
testing
• Led regression as regression coordinator and regression lead
• Worked with QA reports, test plans, test cases, and checklists
• Tracked bugs
• Participated in Scrum activities, including daily, planning, estimation, tasking, retrospective, and
DEMO meetings
• Mentored junior team members
• Presented finished functionality to the customer
• Analysed and wrote user stories and requirements

Skills
Manual functional, integration, regression, smoke, and sanity testing; regression coordination; QA
documentation; bug tracking; Scrum; DEMO; user stories
. .

Education
Kyiv International University, International Economy

MS Degree

2006 - 2012

Certificates, prizes and appraisals
ISTQB Foundational level 2016

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