Antonina

ANTONINA SHEREMET
Operations & Delivery Manager
[open contact info](look above in the "contact info" section) | [open contact info](look above in the "contact info" section)
LinkedIn: [open contact info](look above in the "contact info" section)
Warsaw, Poland | Hybrid, office, remote

PROFILE
Operations & Delivery Manager with 12+ years in IT, including 9+ years in operations and delivery within B2C SaaS.
Experienced in building organizational structure — defining functions within departments, assigning ownership per
function, and establishing cross-departmental workflows. Skilled in guiding engineering, QA, DevOps, and design
workstreams through team leads across mobile, desktop, and web platforms, driving roadmap execution, stabilizing
processes, and increasing delivery predictability. Strong background in planning, prioritization, incident response,
KPI/SLA governance, and multi-team alignment in a fast-changing environment with tens of millions of users.

CORE COMPETENCIES
Operational Governance, Delivery Oversight, Cross-Platform Delivery, Roadmap Management, Resource Coordination,
Capacity Planning, SLA & KPI Governance, Incident Response, Risk Oversight, Multi-Team Alignment, Process
Improvement, Performance Management, Stakeholder Communication, Prioritization Frameworks, Reporting &
Forecasting

Operations Manager | KeepSolid Inc. | Nov 2022 – Sep 2025
Domain: B2C Cybersecurity SaaS — VPN, Password Manager, 2FA Authenticator, User Office. Tens of millions of users.
Operational workflows and SLA-driven support processes.
Tasks:
●​ Directed execution of annual initiative portfolio across 4 simultaneous workstreams — maintaining alignment
with strategic priorities through roadmap re-planning and weekly CEO reviews.
●​ Designed and implemented operational processes end-to-end — from problem analysis through solution design,
rollout, and ongoing compliance control.
●​ Managed resource allocation and conflict resolution across shared functional teams and parallel workstreams.
●​ Conducted weekly operational reviews with CEO — reporting project status, risks, mitigation options, and team
KPI performance across all workstreams.
●​ Led hiring, dismissal, and bi-annual performance review decisions across engineering and operational roles.
Key Results:
●​ Designed company organizational structure with CEO — mapped departmental functions, assigned ownership
per function, and developed role descriptions across operational and engineering teams.
●​ Directly managed PM delivery across 4 products while sustaining full operational governance across all
workstreams.
●​ Designed and implemented KPI-driven performance evaluation system across all engineering teams.
●​ Stabilized sales campaign workflow by formalizing inputs, sequence, and team ownership; launch cycle shifted
from 14 days to 5 days.
●​ Improved operational reliability: reduced monthly infrastructure incidents by ~50% and cut critical complaint
resolution from 2–3 days to same-day by implementing on-call rotation and P1–P4 triage workflow.

Team: 2 PMs, 4 shared functional teams — backend (4), frontend (2), DevOps (5), design (2).
Tools: Confluence, Zoho Projects, Miro, Google Sheets, Firebase, Grafana, Custom Monitoring Dashboards, App Store
Connect, Google Play Console.
Project Management Lead | KeepSolid Inc. | Oct 2021 – Oct 2022
Domain: B2C Cybersecurity SaaS — VPN, Password Manager, Smart DNS (geo-unblocking service) across iOS, Android,
Windows, macOS, and Web. Products serving tens of millions of users.
Tasks:
●​ Oversaw PM function across 3 product lines — conducted weekly status reviews, collected cross-team feedback,
and made operational decisions on resource reallocation and priorities.
●​ Established PM team operating standards — documented delivery processes across SDLC stages, creating
consistent and transparent ways of working across all product lines.
●​ Managed product portfolio prioritization in weekly C-level reviews — assessed technical change requests with
CTO, evaluating scope, timeline, and business impact to maintain strategic alignment across product lines.
●​ Managed resource allocation across parallel product lines, resolving conflicts when shared developers were
required across simultaneous workstreams.
●​ Mentored team members across PM, QA, DevOps, and coordination roles — identifying development gaps,
setting growth objectives, and adjusting approach based on individual readiness and motivation levels.
Key Results:
●​ Raised on-time delivery rate from 83% to 90% across 3 product lines within 8 months through structured backlog
prioritization, cross-project resource alignment, and transparent priority communication with PMs.
●​ Introduced mandatory technical documentation standard — reduced cross-platform disputes, improved code
review quality, and accelerated developer onboarding across all product teams.
●​ Established PM delivery standards — reduced requirement rework and improved estimation accuracy, reflected
in higher schedule adherence and lower post-QA bug rates.
●​ Established systematic technical prioritization process — balanced technical debt against critical user-facing
improvements based on user feedback and support issues.
●​ Mentored team members across multiple roles — successfully developed multiple team members to
independent performance within 6 months.

Team: 3 PMs (mid and junior level); coordinated 2 shared functional teams — backend (4), frontend (2).
Tools: Confluence, Zoho Projects, Miro, Lucidchart, Google Sheets, Firebase, Custom Monitoring Dashboards, App Store
Connect, Google Play Console.

Project Manager – Passwarden (Password Manager) | KeepSolid Inc. | Jan 2020 – Jan 2024
Domain: B2C Password Management SaaS — cross-platform password manager with end-to-end encryption (iOS,
Android, Web, Windows, macOS).
Tasks:
●​ Managed full product lifecycle from scratch — requirements definition, cross-platform planning, and
simultaneous delivery across 5 platforms.
●​ Coordinated parallel development across 5 platform teams — synchronized timelines, QA allocation, and store
submission schedules.
●​ Drove post-launch roadmap execution — prioritized and coordinated feature delivery across 6 platforms and 3
browser extensions in collaboration with CEO and Marketing.
●​ Onboarded and mentored junior PM intern — delegated feature ownership within 5 months.
Key Results:
●​ Delivered new product from scratch across 5 platforms simultaneously in 9 months — despite an encryption
module overrun of 1 week, resolved without impact to the overall release date.
●​ Maintained release timeline integrity across 9 months — absorbed multiple CEO-initiated scope changes without
date impact by building change buffer into iterative planning cycles.
●​ Maintained strong user ratings post-launch: 4.5 stars on App Store (iPhone, iPad, Mac) and Google Play (50K+
installs).
●​ Drove post-launch product expansion across 6 platforms and 3 browser extensions — delivered 198 updates and
major features including Guest Mode, Family Management, Security Dashboard, Tags, Import passwords and
cross-product authorization module (EMA).
Team: 14 specialists — 2 iOS, 2 Android, 1 macOS, 1 Windows, 2 Web developers, 1 backend, 2 DevOps, 2 QA, 1
designer.
Tools: Jira, Confluence, bug tracking system, Google Sheets, Firebase, App Store Connect, Google Play Console. Delivery:
fixed-scope planning, iterative cycles, CEO review gates.

Project Manager – KeepSolid Sign (e-Signature) | KeepSolid Inc. | Apr 2017 – Dec 2019
Domain: B2C/B2B e-Signature SaaS — document signing, status tracking (iOS, Android, Windows, macOS, Web).
Tasks:
●​ Conducted project audit — interviewed all team members individually, assessed delivery blockers, team capacity,
and realistic scope.
●​ Defined and aligned MVP scope with stakeholders — led competitive analysis, prioritized core features, and
structured post-launch backlog.
●​ Established delivery process from scratch — introduced single intake point for feature requests, transparent
priorities, and cross-platform coordination.
●​ Coordinated simultaneous release across 5 platforms — managed parallel development timelines, QA allocation,
and store submissions.
●​ Managed post-launch feature roadmap — prioritized and delivered iterations supporting B2B segment
expansion.
Key Results:
●​ Revived a project stalled for 2+ years as the 3rd PM — redefined MVP scope, restored team process and
motivation; delivered simultaneous release across 5 platforms in 5 months.
●​ Drove 2 major feature releases within 6 months post-launch (Audit Trail, Signing Order settings), supporting
expansion from B2C into B2B small business segment (logistics).
●​ Maintained strong user ratings: 4.4–4.5 stars across platforms post-launch.
Team: 14 specialists — 2 iOS, 1 Android, 1 macOS, 1 Windows, 2 Web developers, 1 backend, 1 DevOps, 3 QA, 2
designers.
Tools: TeamGantt, Confluence, Firebase, bug tracking system. Delivery: fixed-scope planning with iterative cycles,
backlog prioritization, and competitive analysis.

Project Manager – Private Browser | KeepSolid Inc. | Mar 2016 – Mar 2017
Domain: Mobile security & privacy — proxy-based secure browser (iOS, Android).
Key Results: Delivered iOS app from scratch in 2 months; extended to Android — 500K+ installs on Google Play. App
Store rating 4.7, Google Play 4.2.

QA Engineer | DarSoftware Inc. → Simplex Solutions Inc. → KeepSolid Inc. | Dec 2012 – Mar 2017
Domain: Mobile productivity apps (PDF editing, file conversion, document scanning); VPN clients (mobile, desktop),
Roadmap app (mobile, desktop, web).
Key Results: Developed test cases and checklists that became the standard templates adopted across all QA cycles for
these products; proposed and drove a product initiative — created a UEFA EURO 2016 match tracker form, distributed
to existing users via push notification — without a full app update.
EDUCATION
Odessa National Economic University — Specialist, Accounting & Auditing
Odessa Polytechnic National University — Master’s in Radio Communication & Broadcasting

LANGUAGES
English — B2
Polish — B2 (B1 certified)
Ukrainian — Native