Hi! I'm a Cybersecurity Engineer with hands-on experience in vulnerability assessments, cloud security reviews, and compliance evidence gathering. My main responcibility is to make clients understand and improve their security posture.
I work across the full assessment lifecycle: scanning exposed services, reviewing configurations, validating findings, and delivering clear, actionable remediation reports that your clients can actually use.
I'm comfortable operating under NDA and have supported multiple audit during my experience in fintech sector, so I understand the discipline and documentation standards that consulting engagements demand.
What I can do:
- Conduct vulnerability assessments using Burpsuite Scanner, OpenVAS, Nmap, Acunetix from scoping through validated findings
- Review exposed services, firewall configurations, and network infrastructure for security gaps
- Perform Microsoft 365 security reviews
- Azure security posture analysis aligned with CIS benchmarks and Microsoft Secure Score
- Gather and structure technical evidence for compliance projects (PCI DSS, ISO 27001)
- Produce detailed, structured remediation reports tailored to any environments
Relevant experience:
- Conducted web penetration tests using OpenVAS, Burp Suite, OWASP ZAP, and Metasploit
- Provided technical evidence and documentation support for internal audits and certifications
- Performed risk assessments and security hardening for infrastructure and information systems
- Wrote security policies, remediation playbooks, and technical process documentation
Understanding of frameworks & certificates:
PCI DSS
ISO 27001
CIS Benchmarks
Tech stack:
OS : Linux (Red Hat, Ubuntu), Windows (desktop & server), macOS
VM : VMware, VBox
SIEM : ELK/Wazuh, ArcSight, Splunk
Cloud : Azure, Entra ID, Defender
Network : Fortinet IPS&Firewall, Check Point Firewall, F5 WAF
Anti-DDoS : Radware, Arbor
EDR : Elastic Agent, Trellix
PAM : CyberArk
NDR : Vectra
Vulnerability Detection : Nmap, Metasploit, Burp Suite + Scanner, OWASP ZAP, OpenVAS, Harvester, Sublister, Maltego
Network Engineering
Computer Network
Computing & Networking
Information Security
System Administration
Compliance
Penetration Testing
Incident Management
Cybersecurity Monitoring
Virus Removal
Security Assessment & Testing
Website Security
Daniel V.
Kyiv, Ukraine
$18/hr
5.0
8 jobs
I write scripts and do research for YouTube channels that work in depth. Not for faceless automation, not for top-10 lists — for content that needs structure, sources, and a real argument behind it.
Currently working with an AI-focused channel as the lead writer and researcher.
Recent scripts: Geoffrey Hinton and the alignment problem, the Musk/Altman/Amodei conflict, AI as the next stage of human evolution.
What I do:
— Long-form scripts (3,000-8,000 words) built around retention from the first line
— Research using English and Russian primary sources — useful when Western coverage misses half the picture
— Fact-checking against original documents, not Wikipedia or aggregators
— Story architecture for complex topics — AI, geopolitics, defence, technology, history
On AI tools:
I don't just prompt AI — I work with it the way an analyst works with a source network. Claude for deep reasoning and editorial structure, Grok for real-time fact parsing, Gemini for cross-verification. Each model has a role. The judgement on what to trust, what to cut, and what the argument actually is — that stays with me. I don't let AI think for me. They are my professional tools, not my ghostwriters.
A note before we start:
I work only with clients who know what they want and can write a clear brief. If you're looking for someone to figure out your concept for you — I'm not your person. If you have a vision, a niche, and respect for the work — we'll move fast.
Computer Network
Computing & Networking
Information Security
Legal Research
Daniel F.
Kyiv, Ukraine
$50/hr
5.0
4 jobs
Whether you are signing a multi-million dollar acquisition check, responding to a critical data breach, or preparing for a complex corporate dispute, you need to know exactly what is under the hood. I find the digital blind spots that founders try to hide and the vulnerabilities that threat actors exploit.
Backed by a Master’s degree in Systems Analysis, I approach digital audits and cyber investigations with mathematical rigor, legal logic, and structured methodology. I am a Cyber Forensics and OSINT Investigator specializing in corporate intelligence, infrastructure reconnaissance, and Incident Response (DFIR) for M&A firms, VC funds, and enterprise legal teams.
While standard audits focus on public financial records, I conduct deep reconnaissance on the target's external digital footprint, internal server logs, and corporate policies to ensure your investment is secure and structurally sound.
My Core Capabilities Include:
- Digital Forensics & Incident Response (DFIR): Tracing data breaches, analyzing massive server logs (AWS, Cloudflare, Supabase), attributing malicious traffic, and building compliance-ready evidence reports for regulators (e.g., GDPR/ICO).
- Corporate Policy & Framework Deconstruction: Cross-referencing technical OSINT findings with public offerings, Terms of Service, and regulatory frameworks to identify misrepresentation, hidden liabilities, or breaches of contract.
- Digital Asset & IP Verification: Tracing ownership history of Tier-0 digital assets, historical WHOIS forensics, and uncovering hidden affiliate networks.
- Executive De-anonymization & Vendor OSINT: Identifying actual decision-makers, Ultimate Beneficial Owners (UBOs), and hidden supply-chain structures behind complex holding companies.
- Strategic Negotiation Support: Translating raw infrastructure data and regulatory discrepancies into actionable, irrefutable evidence. I equip legal teams with structured facts to de-escalate disputes, dominate negotiations, and force favorable settlements.
Why work with me?
I don't just deliver data; I deliver strategic context. My reports are designed for C-level executives and legal teams who need verifiable facts, not guesswork, to negotiate better deal terms, mitigate compliance risks, or defend against active cyber incidents.
Let’s secure your next acquisition or protect your current infrastructure. Send me a message to discuss your target company or security concern, and we can set up a preliminary audit.
Due Diligence
Cyber Threat Intelligence
Data Analysis
Digital Forensics
Information Security
Network Security
Cloud Security
Mergers & Acquisitions
Risk Assessment
Compliance
Information Security Audit
Legal Research
Incident Response Plan
Fraud Detection
Company Research
Domain Name Research
Daniel S.
Kyiv, Ukraine
$60/hr
4.9
170 jobs
One client spent months trying to get call tracking working as Google Ads conversions. Nobody could make it work. I set it up in a week — call volume grew 400% as Smart Bidding finally had real conversion signals to optimize on.
Another client needed Meta CAPI on a custom multi-domain site — a setup most specialists won't touch. I implemented server-side tracking via Stape with an Event Match Quality score of 𝟴.𝟴 on purchase events.
I've done this for 𝟏𝟓𝟎+ clients on Upwork, including setups tracking over 𝟭𝟬 𝗺𝗶𝗹𝗹𝗶𝗼𝗻 𝘂𝘀𝗲𝗿𝘀/𝗺𝗼𝗻𝘁𝗵.
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𝗦𝗲𝗿𝘃𝗲𝗿-𝘀𝗶𝗱𝗲 𝘁𝗿𝗮𝗰𝗸𝗶𝗻𝗴 𝘃𝗶𝗮 𝗦𝘁𝗮𝗽𝗲 𝗶𝘀 𝗺𝘆 𝗽𝗿𝗶𝗺𝗮𝗿𝘆 𝘀𝗽𝗲𝗰𝗶𝗮𝗹𝘁𝘆.
Stape is my sGTM provider of choice — it gives you a managed server-side container without the complexity of self-hosted Google Cloud, with production-ready templates for every major ad platform. I use it to build complete server-side tracking infrastructures: 𝗠𝗲𝘁𝗮 𝗖𝗔𝗣𝗜, 𝗚𝗼𝗼𝗴𝗹𝗲 𝗔𝗱𝘀 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗶𝗼𝗻𝘀, 𝗚𝗔𝟰 𝘀𝗲𝗿𝘃𝗲𝗿-𝘀𝗶𝗱𝗲, TikTok CAPI, LinkedIn, Reddit, and Pinterest — all with proper browser-to-server 𝗱𝗲𝗱𝘂𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻, DataLayer configuration, and 𝗖𝗼𝗻𝘀𝗲𝗻𝘁 𝗠𝗼𝗱𝗲 𝘃𝟮 compliance.
Client-side pixels lose 20–40% of events to ad blockers and browser restrictions. Server-side tracking via Stape sends conversion events directly from the server — so you capture what browsers block, your EMQ scores improve, and your ad platforms bid on accurate data.
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🛒 𝗘-𝗰𝗼𝗺𝗺𝗲𝗿𝗰𝗲 (𝗦𝗵𝗼𝗽𝗶𝗳𝘆, 𝗪𝗼𝗼𝗖𝗼𝗺𝗺𝗲𝗿𝗰𝗲, 𝗖𝘂𝘀𝘁𝗼𝗺 𝗦𝘁𝗼𝗿𝗲𝘀)
For e-commerce, I build full Enhanced Ecommerce tracking through a custom 𝗗𝗮𝘁𝗮𝗟𝗮𝘆𝗲𝗿 — product views, add_to_cart, begin_checkout, purchase — mapped cleanly into 𝗚𝗔𝟰 via 𝗚𝗧𝗠, with revenue, item quantity, transaction ID, and coupon tracking. On top of that, server-side 𝗠𝗲𝘁𝗮 𝗖𝗔𝗣𝗜 and 𝗚𝗼𝗼𝗴𝗹𝗲 𝗔𝗱𝘀 𝗘𝗻𝗵𝗮𝗻𝗰𝗲𝗱 𝗖𝗼𝗻𝘃𝗲𝗿𝘀𝗶𝗼𝗻𝘀 via Stape give your ad platforms the first-party purchase data they need for Smart Bidding.
I work with Shopify, WooCommerce, Webflow, and custom-built storefronts. Cross-domain and cross-subdomain setups — including complex multi-domain configurations where client-side pixels fail completely — are a regular part of my work.
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🔁 𝗦𝗮𝗮𝗦 & 𝗟𝗲𝗮𝗱 𝗚𝗲𝗻𝗲𝗿𝗮𝘁𝗶𝗼𝗻
SaaS funnels need tracking that goes beyond pageviews. I map trial starts, onboarding steps, feature usage, upgrade events, and form submissions — all configured in 𝗚𝗔𝟰 via 𝗚𝗧𝗠 with proper conversion logic for Google Ads Smart Bidding. Server-side tagging via 𝗦𝘁𝗮𝗽𝗲 handles cross-subdomain attribution and CRM event integration for SaaS products running across multiple domains.
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🏢 𝗠𝗮𝗿𝗸𝗲𝘁𝗶𝗻𝗴 𝗔𝗴𝗲𝗻𝗰𝗶𝗲𝘀
I work as a technical tracking partner for agencies that need reliable server-side implementations for their clients — 𝗠𝗲𝘁𝗮 𝗖𝗔𝗣𝗜, 𝗚𝗔𝟰, 𝗚𝗧𝗠, 𝗦𝘁𝗮𝗽𝗲 — with clean documentation your team can maintain, hand off, and build on.
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🔒 𝗣𝗿𝗶𝘃𝗮𝗰𝘆-𝗙𝗿𝗶𝗲𝗻𝗱𝗹𝘆 𝗧𝗿𝗮𝗰𝗸𝗶𝗻𝗴
For clients in regulated markets — EU, EEA, UK — I implement GDPR-compliant tracking with 𝗖𝗼𝗻𝘀𝗲𝗻𝘁 𝗠𝗼𝗱𝗲 𝘃𝟮 via GTM and full CMP integration: Cookiebot, CookieYes, OneTrust, Usercentrics, Didomi. Conditional tag firing, TCF 2.0 support, and modeled conversion data for Google Ads where consent is restricted.
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📊 𝗟𝗼𝗼𝗸𝗲𝗿 𝗦𝘁𝘂𝗱𝗶𝗼 𝗗𝗮𝘀𝗵𝗯𝗼𝗮𝗿𝗱𝘀
Clean tracking data is only useful if your team can read it. I build 𝗟𝗼𝗼𝗸𝗲𝗿 𝗦𝘁𝘂𝗱𝗶𝗼 dashboards that connect GA4, Google Ads, Meta Ads, and other sources — ROAS by channel, funnel drop-off, creative performance, and revenue attribution in one place. No more switching between platforms.
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🧰 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸
Server-side GTM via Stape · Google Cloud (GCP) · Google Analytics 4 · Google Tag Manager · Meta Pixel and CAPI · Google Ads Enhanced Conversions · TikTok Pixel and CAPI · LinkedIn Insight Tag · Microsoft UET · Reddit Pixel · Pinterest Tag · Consent Mode v2 · Cookiebot · CookieYes · OneTrust · Usercentrics · DataLayer · Shopify · WooCommerce · Webflow · WordPress · Looker Studio · Supermetrics
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𝗪𝗵𝘆 𝗰𝗹𝗶𝗲𝗻𝘁𝘀 𝗵𝗶𝗿𝗲 𝗺𝗲:
▪️ Server-side expertise with Stape — not just GA4 event setup
▪️ I fix what others can't: multi-domain CAPI, call tracking, deduplication, cross-subdomain attribution
▪️ Every setup is documented — no black-box solutions
▪️ 150+ Upwork projects, 10M+ users/month tracked
▪️ Fast communication, clean delivery, trusted by agencies and global brands
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Send a message — I'll review you
Google Analytics
Google Tag Manager
Google Ads
Search Engine Marketing
Analytics & Tracking Setup
Marketing Analytics
Facebook Pixel Setup & Optimization
Web Analytics
Analytics
Looker Studio
Google Analytics 4
Data Analytics
Meta Pixel
Tracking Pixel
Google Analytics Report
Victoria I.
Kyiv, Ukraine
$40/hr
4.9
119 jobs
👋 Need a Recruiter who delivers pre-screened candidates fast? I'm a specialized IT Recruiting expert, Talent Sourcing strategist, and LinkedIn Recruiter who sources, screens, and delivers top tech talent. With 500+ candidates sourced, 200+ successful placements, and 56% faster time-to-hire, I turn your staffing challenges into filled positions.
As a Recruiter and Headhunter, I've built AI and engineering teams from scratch, filled 30+ executive positions through Executive Search, and maintained 95% candidate-to-interview conversion rates. Clients report 300% more qualified applicants, 70% reduction in hiring cycles, and 85% retention rates with my Recruitment services.
🏆 Why Hire Me as Your IT Recruiter
6+ years as an IT Recruiter, Headhunter & Talent Acquisition specialist
300+ placements as a recruiter across tech, engineering & leadership roles
150+ LinkedIn Recruiting campaigns as a recruiter with 85%+ response rates
8,000+ candidates sourced via Candidate Sourcing & Boolean search
Executive Search projects filling C-suite roles within 3 weeks
Recruitment funnels reducing time-to-hire 35% through IT Recruiting
Talent Sourcing systems cutting cost-per-hire 45%
Candidate Interviewing protocols improving quality-of-hire 60%
🚀 IT Recruiting Services as Your Recruiter
📌 Full-Cycle IT Recruiter
LinkedIn Recruiting with Boolean search & passive Candidate Sourcing
Job posting optimization generating 3x applicants via IT Recruiting
Candidate Sourcing from GitHub, Stack Overflow, tech communities
Resume screening & Candidate Interviewing delivering top 5% talent
📌 Executive Search & Headhunter Services
C-suite, VP, Director Talent Acquisition as your executive recruiter
Confidential headhunter searches with discreet Candidate Sourcing
Compensation benchmarking & offer negotiation support
📌 Tech & IT Recruiting Specialist
Frontend, Backend, Full-Stack developer recruitment & IT Recruiting
DevOps, Cloud, AI/ML engineer Talent Sourcing & headhunter services
QA, Product, UX/UI designer LinkedIn Recruiting & Candidate Sourcing
📌 Candidate Interviewing & Screening
Technical & behavioral Candidate Interviewing as your recruiter
Skills assessments, coding challenges, reference checks
Candidate scorecards ensuring culture-fit alignment
📌 Virtual Assistant & Recruitment Operations
ATS management (Greenhouse, Lever, Workable) as your sourcer
Interview scheduling, candidate communication, pipeline reporting
Job description writing & posting across 20+ job boards
🔧 My IT Recruiter Process
Discovery & Hiring Strategy: intake calls, workforce planning, competitor talent mapping, and candidate persona development to define winning Recruitment angles
Sourcing & Outreach: Boolean strings, X-ray searches, LinkedIn Recruiter licenses, GitHub scouting, and personalized InMails achieving 85%+ open rates as your IT Recruiter
Screening & Interviewing: resume parsing, competency-based Candidate Interviewing, technical assessments, and reference checks to validate skills as your Headhunter
Pipeline Management: ATS workflows, automated drip campaigns, candidate nurturing sequences, and real-time reporting dashboards to accelerate Talent Acquisition
Offer & Onboarding: compensation analysis, offer letter templates, negotiation playbooks, and new-hire integration checklists ensuring smooth transitions
📊Recent win: for a SaaS startup, I delivered a complete IT Recruiting overhaul that filled 8 engineering roles in 14 days (+56% faster) while reducing agency fees by $40K. Across recent Executive Search projects, candidate quality scores averaged 4.8/5, offer acceptance rates hit 90%, and 6-month retention climbed to 95% after targeted Talent Sourcing and culture-fit screening.
💼 Industries I Cover as Your IT Recruiter
🖥️ Software Engineering (Frontend, Backend, Full-Stack, Mobile)
☁️ Cloud & DevOps (AWS, Azure, GCP, Kubernetes, CI/CD)
🤖 AI & Data (ML Engineers, Data Scientists, Analytics)
🎨 Product & Design (Product Managers, UX/UI Designers)
🔒 Cybersecurity & QA (Security Engineers, Testers)
⚙️ IT Leadership (CTOs, VPs Engineering, Managers)
💡 Proven IT Recruiter Results
✅ 56% faster time-to-hire via Talent Acquisition pipelines
✅ 85% LinkedIn Recruiting response rates as a recruiter
✅ 45% cost reduction replacing external recruiters
✅ 90% offer acceptance after Candidate Interviewing
✅ 3x qualified candidate flow via IT Recruiting
✅ 95% retention through recruiter screening
✅ 300+ placements across 15 countries as an IT Recruiter
🚀 Ready to Hire with a Results-Driven IT Recruiter?
As your recruiter, I eliminate hiring bottlenecks through Indeed Recruiting, LinkedIn Recruiting, and Talent Sourcing. Whether you need a headhunter for executive roles, a sourcer for niche positions, or a Virtual Assistant for recruitment ops, I deliver pre-screened candidates within 7 days.
💬 Message me with your role, timeline, and skills - I'll send 5-10 qualified profiles as your dedicated recruiter!
IT Recruiting
Candidate Interviewing
Candidate Sourcing
Staff Recruitment & Management
Recruiting
LinkedIn Recruiting
Resume Screening
Candidate Evaluation
Recruiting Process Consulting
Human Resource Management
Boolean Search
Internet Recruiting
Job Posting
Sourcing
Applicant Tracking Systems
Administrative Support
Data Entry
Lead Generation
Candidate Interview Consulting
Personnel Selection
Kyryl V.
Kyiv, Ukraine
$35/hr
4.5
24 jobs
I turn messy operational data into driver-based P&L models, unit economics frameworks, and board-ready forecasts you can actually run the business on - not spreadsheets that just look nice.
I am Senior Financial Analyst & Financial Modeling Expert for B2B/B2C SaaS companies with 5+ years of experience, Finance degree and 100% Job Success Score.
I work best with SaaS founders, COOs and finance leads who are:
- Preparing for a fundraising round and need investor-ready financials
- Launching a new line of business and need a standalone feasibility model
- Seeing margins slip and need to know exactly why, not just that they are
- Running the business on a spreadsheet that no longer scales
CORE FP&A & FINANCIAL MODELING SERVICES
- Financial Modeling & Forecasting: 3-to-5-year driver-based P&L, revenue, balance sheet and cash flow models with Best / Base / Conservative scenarios
- Unit Economics: LTV, CAC, LTV:CAC ratio, SaaS magic number, payback period, churn and retention modeling for SaaS and marketplace businesses
- Variance Analysis: month-over-month plan-vs-actual analysis and root cause investigation of margin and cost variances
- Feasibility Modeling: standalone P&L and breakeven analysis for a new product, market or line of business
- Data Consolidation: structuring large, messy transactional datasets into one clean, dynamic reporting model
- Fundraising Support: pitch deck financials and investor-ready metrics (ARR, CAGR, IRR, NPV)
HOW I WORK
- Discovery first: before I build anything, I map your actual business logic and unit economics - not a generic SaaS template
- Every assumption is documented and sourced - company data, market benchmark, or an explicit hypothesis - so you always know what is driving a number and can challenge it
- I reconcile every output against your source data before handoff - I would rather catch a wrong figure myself than let it sit in your board deck
- You get a model you can actually run the business on: dynamic formulas and a clear structure, not a static snapshot that breaks the moment your business changes
RECENT PORTFOLIO WORK
- TAM/SAM/SOM sizing and a 3-scenario, 5-year revenue forecast for an EdTech SaaS company (B2C)
- A dynamic 24-month P&L and unit economics model for a legal B2C SaaS marketplace
- A 12-month P&L and multi-service unit economics model across 4 service lines for a B2B MarTech company
- Month-over-month P&L variance analysis and root cause modeling for a B2B SaaS / virtual data room provider
- A 3-year P&L and new line of business feasibility model for a board management software company
- Consolidation of a 190,000-row transaction dataset spanning three business lines into one dynamic Excel model with interactive dropdown views
TOOLS: Microsoft Excel (Power Query, advanced formulas, PivotTables, dynamic dropdown-driven models) and Google Sheets.
If you need a financial analyst or financial modeling expert who can turn your numbers into a model you can actually run the business on, send a message or invite me to your job - happy to jump on a quick call to align on scope.
Financial Modeling
Financial Analysis
Startup Consulting
SaaS
Financial Projection
Business Plan
Growth Strategy
Financial Variance Analysis
Scenario Planning
Business Analysis
Market Research
Market Analysis
Data Visualization
Microsoft Excel
Google Sheets
Business Modeling
Pricing
Financial Planning
Cash Flow Analysis
Investment Research
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