David Mustac
BD & Sales Operations

Sales operations, business analysis,
and technical execution.

2+ years of client-facing B2B experience — business development, sales operations, market analysis, and process automation across international clients. Now bringing that execution experience to enterprise.

MEng in AI/Automation Engineering. Croatian native, fluent English.

2
Sales Processes
Built from Zero
MEng
AI & Automation
Engineering
2+ yrs
Client-Facing
B2B Experience
Where I add value
01
Sales Operations
CRM implementation, sales process design, lead qualification workflows. End-to-end pipeline management from prospecting to closed deals.
HubSpot Apollo Sales Navigator n8n
02
Business Analysis
Cost-benefit analysis, ROI modeling, pricing strategy, and commercial analytics. Real experience with enterprise datasets — revenue, margins, and profitability analysis across channels and markets.
Python SQL Excel BPMN
03
Market & Data Analysis
Research-backed strategy with interactive dashboards. Competitive analysis, pricing models, market sizing — backed by real data, not slide decks.
Chart.js Next.js Recharts Python
Data-driven work samples
CRM Migration
D365 CRM Migration — Cost-Benefit Analysis
Full cost-benefit analysis for a Dynamics 365 CRM migration: 45 users, €179K investment, 38.3% projected ROI. Break-even modeling, risk assessment, and stakeholder-ready reporting.
Built as enterprise BA portfolio project — ERP/CRM domain
Python Financial Modeling D365
Interactive report →
Enterprise Pricing
CPaaS Pricing Analysis — 13 Markets
Competitive pricing analysis across SMS, WhatsApp, RCS, and Viber for 13 markets. Benchmarked Infobip vs Twilio. Channel migration simulator for enterprise volumes at 10M messages/month.
Built to demonstrate CPaaS domain expertise — enterprise telco/communications
Next.js Recharts Competitive Analysis
Interactive report →
Market Sizing
Revolut Croatia — Market Opportunity
Revenue opportunity mapping for 500K users. Competitive fee analysis vs 5 Croatian banks, product gap matrix, three strategic growth pillars. All data sourced from HNB and World Bank.
Market sizing exercise — fintech/banking domain
Python Chart.js HNB data
Interactive report →
Market Exit Analysis
Bolt Food Croatia — Exit Post-Mortem
Reverse-engineered Bolt's Croatian market exit using Company Registry (FINA) financial data. Revenue benchmarking, ecosystem analysis, 4 identified failure factors.
Competitive intelligence — Croatian market dynamics
Python Chart.js FINA data
Interactive report →
Industry Analysis
Aircash & Kekspay — Croatian Payments Landscape
Analysis of two Croatian payment platforms — business models, competitive positioning, and market dynamics. Published on LinkedIn, generated engagement from senior fintech executives including directors at Aircash and Bankart.
Industry thought leadership — Croatian payments/fintech
Market Research Payments LinkedIn
LinkedIn post →
Professional background
MasterBlox · Growth & Marketing Agency · Lisbon
Feb 2025 — Present
Growth Specialist
Executed cross-platform growth campaigns — community onboarding, engagement tracking, and narrative management. Tracked acquisition, engagement, and retention metrics weekly with strategic feedback to founders. Built automated lead scoring system using Python and API integrations — reduced 4-hour manual research to 10-minute qualification batches. n8n workflow automation connecting lead research, scoring, and outreach.
Seedify · Venture Platform · Global
Nov 2025 — Mar 2026
Scout
Diligence on 300+ early-stage technology projects — evaluating team quality, technical readiness, and market potential. Built proactive outreach engine generating qualified leads for internal pipelines. Tracked ecosystem signals (funding rounds, product launches, market shifts) and prioritized high-conviction opportunities. Coordinated with Research, Strategy, and Investment teams for end-to-end pipeline visibility.
Thespian · Custom Software Development · Zagreb
Mar — Nov 2025
BD & Sales Operations
Built complete B2B sales process from zero — CRM implementation, multi-channel outreach integration (Sales Navigator, Apollo, Expandi), lead scoring, and pipeline management. Cross-functional coordination with product, marketing, and engineering teams.
Resomnium · Tech Consultancy · Remote
Aug 2024 — Nov 2025
Business Development & Strategy Analyst
Led business development and sales — identified and qualified leads, executed multi-channel outreach, conducted discovery calls, and closed deals with team support. Advised on AI adoption in client workflows. Assisted in creating a structured grants program — defining objectives, criteria, and deliverables. Produced analytical reports using 6+ data platforms. Market analysis, competitive positioning, and stakeholder alignment for product launches.
Bitget · Global Fintech · 120M users
May 2024 — Mar 2026
Growth & Branding — Balkan Region
First hire for Balkan market at a global fintech platform (120M+ users). Built the regional brand presence from zero — organized 5+ events (40+ attendees, 40% conversion), built affiliate and partnership network, ran regional campaigns. Represented the company at international conferences across 3 countries.
University of Rijeka
MEng — AI / Automation Engineering
Thesis: Detection of fraudulent accounts using ML algorithms
Languages
Croatian (native) · English (fluent — 2+ years working in English)