Summary
Overview
Work History
Education
Skills
Websites
Certification
References
Affiliations
Accomplishments
Software
Interests
Technology trend exploration, Mentorship and knowledge sharing, Community volunteering
Timeline
Generic

Rewel RA Mumbo

Senior Product Leader
Nairobi

Summary

Visionary product leader with over 10 years of experience in architecting and scaling SaaS and FinTech platforms. Expertise in utilising Generative AI, predictive modeling, and market trend analysis to deliver transformative solutions for underbanked markets. Proven ability to lead cross-functional teams, manage projects, and optimise customer engagement, driving platform innovation that addresses infrastructure constraints, user adoption barriers, and financial risks. Committed to empowering unbanked populations through data-driven models, strategic integrations, and scalable growth strategies, ensuring a results-driven approach focused on company success and competitive growth. Demonstrated success in building high-performing teams and managing profitable operations while fostering an environment of collaboration and excellence.

Overview

11
11
years of professional experience
11
11
Certifications

Work History

CEO

Super App Africa
01.2024 - 05.2025
  • Led product vision for a mobility and FinTech super app, driving financial inclusion through innovative product features and strategic market expansion.
  • Market Trend Analysis & Customer Engagement Optimisation: Architected a super app with AI-driven features, achieving 300% YoY user growth by analysing market trends and optimising user journeys for unbanked consumers.
  • Project Management & Platform Innovation: Managed end-to-end product lifecycle, integrating mobile money APIs to ensure seamless transactions across fragmented ecosystems.
  • Cross-Functional Team Leadership: Directed diverse teams to execute go-to-market strategies, leveraging A/B testing and OKRs to scale user acquisition in emerging markets.

Generative AI Consultant

Rewel AI Labs
06.2025 - Current
  • Advise startups and enterprises on integrating Generative AI into SaaS platforms, optimising customer engagement and operational efficiency in low-connectivity environments.
  • Platform Innovation & AI Development: Designed offline-capable LLM applications using LangChain and RAG, enabling seamless functionality in rural, low-connectivity regions.
  • Predictive Modeling & Data Analysis: Developed AI-driven forecasting models, reducing operational costs by 25% through market trend analysis, enhancing distributor insights.
  • Cross-Functional Team Leadership: Guided engineers and product managers to deploy scalable AI solutions, ensuring alignment with business goals and boosting adoption among non-technical users.

SAP Technology Consultant

Freelance
01.2025 - Current
  • I advise enterprises on embedding AI/ML into SAP-based SaaS platforms, enhancing analytics and operational efficiency for global clients.
  • Data Analysis & Predictive Modeling: Built ML models (Random Forest, LSTM) for supply chain forecasting, reducing costs by 15% and mitigating financial risks for distributors.
  • Platform Innovation & Customer Engagement: Led SAP integrations with AWS and Azure, delivering real-time analytics dashboards to optimize FinTech compliance and user interactions.
  • Project Management: Oversaw cross-functional teams to align technical solutions with product roadmaps, accelerating feature delivery for SaaS platforms.

CEO & Founder

TW Technologies Limited
01.2019 - 01.2024
  • Founded a consultancy delivering SaaS and FinTech solutions, addressing last-mile distribution and technical literacy barriers through innovative platforms.
  • AI Development & Predictive Modeling: Architected an ML-based crop yield prediction tool using Scikit-learn, improving agricultural outputs by 20% for rural users.
  • Market Trend Analysis & Platform Innovation: Developed geolocation-based FinTech platforms using microservices and Google Maps API, achieving 10x user growth by identifying market gaps.
  • Cross-Functional Team Leadership & Project Management: Mentored 20+ engineers and product managers, delivering 15+ client projects through Agile methodologies.

Data Scientist & AI Specialist

Various Roles
01.2015 - 01.2019
  • Developed AI/ML solutions for FinTech and SaaS, enhancing user trust and platform reliability.
  • Data Analysis & Customer Engagement Optimization: Built NLP models for sentiment analysis, improving UX for low-literacy users in emerging markets.
  • AI Development & Predictive Modeling: Optimized data pipelines with PySpark and Kafka, enabling real-time analytics for high-volume transaction platforms.

Education

BSc - Data Science (AI/ML Focus)

The Open University of Kenya
01.2026

BSc - Applied Computer Science

Kisii University
Kisii, Kisii County, Kenya
01-2011

KCSE Certificate -

Nambale Boys High School
Busia County
12-2009

Skills

  • Product Management: A/B Testing, Roadmapping, PRD Writing, Agile/Scrum, User Story Mapping, Go-to-Market Strategy, OKRs, Customer Discovery, Metrics-Driven Iteration

  • Generative AI & ML:

  • LLMs (GPT, BERT), RAG, LangChain, LlamaIndex, Prompt Engineering, Fine-tuning

  • Algorithms: Linear/Logistic Regression, Decision Trees, Random Forest, SVM, XGBoost, K-Means, DBSCAN, PCA, K-NN, Naïve Bayes, ARIMA

  • Frameworks: TensorFlow, PyTorch, Keras, Scikit-learn, Hugging Face, XGBoost, Pandas, NumPy, SciPy

  • NLP: Sentiment Analysis, Text Classification, Named Entity Recognition, Topic Modeling

  • Model Deployment: Flask, FastAPI, AWS SageMaker, Docker

  • Programming & Data: Python, R, SQL, JavaScript; Apache Spark, Hadoop, PySpark, Apache Kafka; Matplotlib, Seaborn, Tableau, Power BI

  • Visionary Leadership: Directed cross-functional teams to scale a FinTech super app to 300% YoY growth, aligning product vision with business objectives to drive impact in emerging markets

  • Innovation & Intrapreneurship: Pioneered AI-driven solutions, identifying market gaps to deliver scalable platforms for unbanked populations

  • Growth Mindset: Earned 10 AI/ML certifications since 2022, leveraging feedback to achieve 20% efficiency gains, ready to adapt to evolving market and technical challenges

  • Cross-Functional Team Leadership: Mentored 20 engineers and product managers, fostering collaboration and accountability in fast-paced, mission-driven environments

Certification

AWS Certified Machine Learning – Specialty | Amazon Web Services | 2024

References

References available upon request.

Affiliations

  • Contributor, Interledger Foundation (Open Source FinTech)
  • Member, Attic by Kenya National Chamber of Commerce and Industry (KNCCI) | 2023–Present
  • Contributor, Open-Source AI Community | 2024–Present
  • Volunteer, Gideons International | 2023–Present

Accomplishments

  • Product-Led Growth: Scaled a multi-service super app from 0 to 10,000 MAUs and secured 20+ key partnerships within 6 months, driving 300% YoY user growth.
  • AI Product Innovation: Architected an AI-driven dynamic pricing engine that increased platform revenue by 25% and improved driver earnings by 18%.
  • Generative AI Solutions: Pioneered a proprietary AI model that generates hyperrealistic images and marketing videos from text prompts, slashing content production costs and timelines for clients.
  • Low-Code Platform Development: Built a no-code/vibe coding platform that empowers non-technical teams to build and iterate functional prototypes, reducing dependency on engineering resources and accelerating time-to-market for new ideas by 70%.
  • Operational Efficiency: Delivered an ML-based supply chain solution that saved a client $500k annually and developed a predictive agriculture model that improved crop yields for 1,000+ farmers.
  • Cross-Functional Leadership: Built and led high-performing teams of up to 10+ engineers and data scientists, consistently delivering complex, data-driven products that exceeded KPIs.

Software

Jira

Slack

Interests

Mentoring Teams

Continuous Learning

Technology trend exploration, Mentorship and knowledge sharing, Community volunteering

My interests lie at the intersection of technology, education, and community. I am constantly exploring the latest tech trends, but my true passion is converting that knowledge into value—whether through mentoring aspiring professionals, sharing insights with peers, or volunteering my skills to empower local communities.

Timeline

Generative AI Consultant

Rewel AI Labs
06.2025 - Current

SAP Technology Consultant

Freelance
01.2025 - Current

CEO

Super App Africa
01.2024 - 05.2025

CEO & Founder

TW Technologies Limited
01.2019 - 01.2024

Data Scientist & AI Specialist

Various Roles
01.2015 - 01.2019

BSc - Data Science (AI/ML Focus)

The Open University of Kenya

BSc - Applied Computer Science

Kisii University

KCSE Certificate -

Nambale Boys High School
Rewel RA MumboSenior Product Leader