Location: Belgrade, Serbia
Email: rastko@karajovic.net
Phone: +381 64 63 96 273
LinkedIn: @rastkokarajovic
Customer Project Manager with over four years of experience delivering projects across Waterfall, Agile, and hybrid
methodologies. Skilled in creating structure, clarity, and realistic plans while leveraging workflow automation and AI tools
to streamline processes and reduce friction. Designed and delivered several AI-driven products that became critical
components of project execution and operational workflows, leading change management initiatives, streamlining revision
processes, enhancing efficiency, and maintaining a human-in-the-loop approach to oversight and decision-making. Adept
at building trust with customers and stakeholders through clear communication, enabling teams to focus on priorities and
achieve ambitious goals collaboratively.
Managing multiple projects simultaneously, ensuring timely delivery and milestone achievement.
Core member for presales activities, strategy, execution, and fulfillment.
Automated critical communication and data flows, boosting unadjusted margin by 20%.
Recognized as the preferred point of contact among stakeholders for effective communication and successful
outcomes.
Responsible for project finance, documentation accuracy, and performance measurement.
Conducting regular client meetings to review progress and identify improvement opportunities.
Leading process automation and simplification initiatives.
Reimagining sales processes and customer experience using generative AI.
Created multiple company-wide AI agents that streamlined project and operational workflows while maintaining
human oversight.
Customer Project Manager with dual responsibilities in Program and Product Management.
Supported project review, problem-solving, and evaluation activities.
Assisted in planning and execution of multiple concurrent projects.
Conducted independent analysis and reporting to support project delivery.
AI & Machine Learning: Large Language Models (LLMs), AI Agents, Multi-Agent Systems, Local LLMs (Ollama, Hugging Face), API-based LLMs (OpenAI, Gemini, Anthropic, Groq).
Evaluation & Benchmarking: Model Evaluation, Performance Benchmarking, Latency & Token Optimization, Prompt Engineering, Retrieval-Augmented Generation (RAG).
Programming & Tooling: Python, LangChain / LlamaIndex, APIs, JSON/Markdown data structuring, Git.
Network Architectures: Integrated Satellite-Terrestrial Networks (ISTNs), Non-Terrestrial Networks (NTNs), Low Earth Orbit (LEO) Satellite Constellations, Heterogeneous Networks (HetNets), 5G/6G Cellular Systems.
Cognitive & Intelligent Networking: Cognitive Radio (CR), Dynamic Spectrum Access (DSA), Spectrum Sensing, Machine Learning for Network Optimization, Autonomous Network Management.
Satellite Communications: Evaluated routing efficiency, handover latency, and connectivity constraints across multi-layer LEO satellite constellations and terrestrial 5G backhauls.
Focused on Artificial inteligence,telecommunications, radio communications, and databases.
Volunteered with EESTEC LC Belgrade since Feb 2019.
Head Organizer/Project Lead, Brand New Engineers 2020.
Coordinator of Promotions, Soft Skills Academy 2019.
Generative AI Driver's License 2025 & 2026
Finance & Governance: Project Control
Automate the Boring Stuff with Python Programming
SAP Transactions for CPMs
Occupational Health & Safety Incident Handling
CAMP, PMI Institute – In progress
PSM, Scrum.org – In progress
More on my linked in profile: @Certifications
Project Management: Waterfall, Agile, Hybrid methodologies, Stakeholder communication, Risk management, Process optimization, Change management
Product Management: Product strategy, Executive stakeholder management, AI-Driven product innovation, Scalable operational delivery
Technical: Python, Office Scripting, Office 365 Power Tools (Power BI, Power Automate), Excel (VBA, Power Query, DAX), PowerPoint, Word, Microsoft Project, SAP, Salesforce, Generative AI tools, Enterprise AI tools, Git/GitHub, SQL (PostgreSQL/MySQL), Postman API Testing
Telecommunications Domains: Radio Access Network (RAN) Optimization, Core Network Architecture, RF Engineering, Hybrid Satellite-Terrestrial Networks
Data & Analytics: Tableau, Microsoft Power BI, Excel (Advanced Power Query, Power Pivot, DAX, VBA)
Languages: English, Serbian, Croatian, Bosnian, German
Soft Skills: Problem solving, Stress management, Team collaboration, Leadership
Licenses: B, AM, A1, A2, B1, M categories
EESTech Challenge – Machine Learning Hackathon (Mar 2022): Achieved 3rd place among 54 teams.
Automation Initiatives: Designed and implemented automated workflows improving project reporting efficiency. Reducing projected cost by several millions of euros.
AI Integration: Contributed to reimagining customer experience through generative AI solutions. Negating compliance issues by 99%.
Enterprise AI Multi-Agent Deployment: Designed and implemented a multi-agent AI system utilizing local models (Ollama) and API integrations (Gemini/OpenAI) to automate cross-functional technical documentation reviews, cutting manual processing time by over 40%.
5G/Satellite Network Optimization Study: Authored a technical evaluation analyzing handover latency and routing efficiency across LEO satellite constellations and terrestrial 5G backhauls, providing actionable insights for hybrid network scalability.
Large-Scale Telecommunications SWAP Implementation: Successfully directed high-stakes radio network SWAP projects for major regional telecom operators, managing cross-functional teams across Waterfall and Agile frameworks to achieve on-time milestones within strict financial governance.
Automated Data Scraping & Workflow Tooling: Developed custom Python-based crawling pipelines (utilizing BeautifulSoup and Selenium) to extract, structure, and analyze complex multi-source datasets, directly streamlining internal data retrieval and operational decision-making.
Student Leadership & International Collaboration: Head-organized large-scale academic and professional events (such as Brand New Engineers through EESTEC), successfully coordinating multinational student teams, university faculty, and corporate partners.
Project management, product management, cybersecurity and privacy, 5/6G, satellites, artificial intelligence, emerging technologies, computer hardware, basketball, volleyball, rock climbing, kart racing, motorcycles, running, salsa dancing, guitar playing, exploring new places and cultures.