Tatenda P. Chiungani

TATENDA P. CHIUNGANI Virtual Business Partner Email | LinkedIn | Portfolio Harare, Zimbabwe Summary I am a versatile Virtual Business Partner with expertise in data management, AI training, workflow optimization, and IT strategy development. With a proven track record designing and implementing tailored solutions across mobile networks, eCommerce, business support, and cybersecurity, I bring a strategic and tech-savvy approach to supporting growing businesses. From technical documentation to user experience enhancement and administrative support, I ensure seamless operations and optimal efficiency. Together, we will create systems and strategies that let you focus on propelling your business forward while I handle the details. Core Skills ●​ ●​ ●​ ●​ ●​ Data & AI Workflow Optimization: Proficient in ETL processes, reporting, and analytics using Python, SQL, and Tableau to deliver actionable insights for smarter business decisions. Skilled in workflow automation using Zapier and Power Automate to streamline operations and reduce manual tasks. AI Training & Evaluation Expertise: Hands-on experience with prompt engineering, few-shot Chain-of-Thought, Supervised Fine-Tuning (SFT), and Reinforcement Learning from Human Feedback (RLHF) techniques to train large language models. Adept at crafting high-quality datasets, evaluating AI outputs, and improving model reliability. Process Mapping & Systems Strategy: Proven ability to analyze workflows, document business needs, and design tailored IT and business support solutions. Experienced in vendor evaluation for AI-powered systems and aligning solutions with strategic goals. Client Success & Digital Engagement: Adept at managing customer journeys and enhancing brand presence through CRM optimization, social media management, and sales support. Experienced with platforms like Facebook, Instagram, Chatway, and Shopify to drive engagement and retention. Cross-Functional Collaboration: Thriving in global remote settings, collaborating across time zones to support teams of diverse cultural and professional backgrounds. Adept at aligning technical and non-technical stakeholders to achieve business goals. Work Experience Invisible Technologies | San Francisco, CA (Remote)​​ Advanced AI Data Trainer - STEM​ ​ ​ ●​ ●​ ●​ ●​ ●​ ​ Nov 2024 - Present Fine-tuned and enhanced the Math Reasoning capabilities and STEM knowledge base of large language models (LLMs) through Prompt Engineering, Reinforcement Learning from Human Feedback (RLHF) and Supervised Fine Tuning (SFT) techniques, improving domain-specific accuracy and contextual understanding by over 60%. Created high-quality prompt annotations and step-by-step problem-solving workflows to train the model on complex STEM concepts, ensuring precise logical reasoning and optimized output generation. Econet Wireless Zimbabwe | Harare, Zimbabwe (Hybrid)​ Service & Support Systems Planning Engineer ​ ​ ●​ ​ ​ ​ ​ July 2022 – Nov 2024 Led vendor discovery, evaluation, and integration for customer experience and cybersecurity platforms, saving the business over 500+ man hours by eliminating duplicate systems and ensuring seamless architectural fit. Spearheaded the end-to-end design, deployment, and documentation (user and technical) of an eKYC system, seamlessly integrating API and AI/ML solutions to optimize onboarding and enhance customer service for over 10 million subscribers. Delivered comprehensive post-deployment support and training to customer-facing personnel, reducing customer onboarding issues by over 30% Designed API architectures for development on Mulesoft API Management Gateway, revolutionizing the management of 50,000+ monthly calls and significantly improving operational efficiency and end-user quality of experience Authored technical documentation for cybersecurity systems, ensuring seamless deployment and knowledge sharing across teams. Econet Wireless Zimbabwe | Harare, Zimbabwe (Hybrid)​ Technology Services Graduate Trainee ​ ​ ​ ●​ ●​ ●​ ​ ●​ Feb 2020 – Jan 2021 ​ ​ Sep 2024 – July 2025 Handled day-to-day customer support via email and live chat, maintaining a 95% satisfaction rate. Processed orders, handled complaints, and resolved delivery issues while updating listings and support documentation. Developed and executed digital marketing strategies on Facebook and Instagram, increasing follower engagement by 15% and driving a 30% increase in website traffic over six months Sinohydro Group Limited | Hwange, Zimbabwe (Onsite)​ Assistant SHE Officer + Chinese Translator ​ ​ ●​ ​ Gained firsthand experience in customer communication, complaint handling, and service upselling in a high-volume support environment: I spent three months embedded in the company’s retail shop and call center, where I provided in-person and phone-based support to customers, resolving account issues, guiding product choices, and offering technical help. Developed SQL scripts to extract core network KPI data from the data warehouse, supporting data-driven decisions around service performance and product feedback. Authored a Business Requirements Specification for an internal HR platform, helping bridge business needs with technical feasibility. Chikoe’s Convenience | Shopify Store (Online)​ E-commerce Virtual Assistant​ ​ ​ ●​ ●​ ●​ ​ ​ ​ Dec 2019 – Jan 2020 Acted as a communication bridge between construction site teams and supervisory staff, translating between English and Chinese in live settings. Managed office administration, document translation (Chinese/English), file organization, and email communication, to ensure smooth internal operations and compliance-related support. Internships and Supplementary Experience Virkia Ltd | Nicosia, Cyprus (Remote)​ Machine Learning Developer Intern ​ ●​ ​ ​ ​ July 2022 – Oct 2022 Analyzed customer sentiment and built user-focused models to support product experience enhancements. ZTE Corporation | Shenyang, China (Onsite)​ Network Engineer Intern ​ ​ ​ ●​ ​ ​ ​ ​ Feb 2019 – Apr 2019 Applied Cisco networking fundamentals to contribute to network optimization projects. Education Master of Science (M.Sc.), Information Systems and Digital Innovation Neapolis University Pafos, Cyprus | 2023 Bachelor of Engineering (B.Eng.), Telecommunication Engineering Shenyang Aerospace University, China | 2019 Certifications and Professional Development ●​ ●​ ●​ ●​ Common European Framework of Reference (CEFR) English Level C2 Proficient | EF SET | Apr 2025 Google Cloud Certified Professional Data Engineer | Feb 2024 Applied Data Science Lab | WorldQuant University | May 2023 KPMG Data Analytics Consulting Virtual Internship Program | Forage | Mar 2023