PropTech
RentBook Properties
Product & Technical Lead
Product transformation and AI expansion.
View Leadership Case Study →Technical Product Manager · AI · Growth
I build AI-native products, lead the teams that ship them, and grow what they become.
I'm Joshua Theophilus, a Technical Product Manager with 10+ years across product, growth, and engineering leadership. I lead AI-native products from discovery and product strategy through technical delivery, evaluation, launch, adoption, and measurable business outcomes.
MBA, Quantic School of Business and Technology. M.Sc. Artificial Intelligence Engineering, in progress.
Lagos, Nigeria · Working globally
Credentials and recognition, scroll horizontally to see all.
Product thinking. Technical execution. Measurable growth.
My foundation is product: understanding users and business problems, defining what should be built, prioritising outcomes, and aligning teams around delivery.
My technical depth lets me work closely with engineering teams on architecture, APIs, AI models, retrieval systems, agents, evaluation, infrastructure, security, and delivery trade-offs.
My growth background adds the final layer: adoption, activation, retention, experimentation, go-to-market, and the systems products need to create measurable value after launch.
- Who is Joshua Theophilus?
- Joshua Theophilus is a Technical Product Manager based in Lagos, Nigeria, with 10+ years across product, growth, and engineering leadership.
- What does he do?
- He leads AI-native products from discovery and product strategy through technical delivery, evaluation, launch, adoption, and measurable business outcomes.
- What has he led?
- Product and engineering teams across fintech, healthtech, proptech, and consumer products, including PartyJor Moments (now DropLivo), FoodBridge, EzzyCare, and RentBook Properties.
- Is he available for global roles?
- Yes. He is open to senior and leadership roles in technical, AI, and growth product, and works remotely across time zones.
What I do
Three connected areas: product, AI, and growth, backed by hands-on technical capability.
Technical Product Management
Lead products from problem definition through discovery, prioritisation, technical delivery, launch, adoption, and measurable business outcomes.
- Product Strategy & Roadmaps
- Product Discovery
- Requirements & Acceptance Criteria
- 0→1 Product Development
- Product Prioritisation
- Product Analytics
- Cross-Functional Leadership
- Product Governance
AI Product Management & Technical AI
Translate AI capabilities into useful products while working closely with engineering teams on feasibility, architecture, evaluation, risk, monitoring, and production readiness.
- AI Product Strategy
- AI Use-Case Prioritisation
- LLM Products
- AI Agents & Agentic Systems
- Retrieval & RAG Systems
- AI Evaluation & Monitoring
- AI Workflow Automation
- AI Governance & Security
Growth Product Management
Design the systems that move users from discovery to value, adoption, retention, and expansion through product-led growth, experimentation, analytics, and go-to-market.
- Product-Led Growth
- Go-to-Market Strategy
- Activation
- Retention
- Lifecycle
- Experimentation & A/B Testing
- Growth Analytics
- Acquisition & Conversion
Hands-on technical product capability: AI-assisted development, architecture discussions, system design, APIs and integrations, database design, code review, AI workflows, and technical trade-offs.
Selected work
Three products I led, across proptech, healthtech, and consumer technology.
HealthTech
EzzyCare
Product & Transformation Lead
Platform transformation and enterprise healthcare systems.
View Leadership Case Study →
Consumer Technology
DropLivo
Head of Product & Innovation
0→1 product development, rapid launch, and adoption.
View Leadership Case Study →Outcomes, not output.
Selected results from the products and teams I have led. Hover or tap a card for context.
1,000+
Signups in launch week
PartyJor Moments, now DropLivo
Built, tested, and launched in about 6 weeks with no paid marketing.
Group Head of Product and Innovation
Read the case study →70%
Fewer production bugs
Beden Holdings
Engineering governance and delivery frameworks, with better reliability and cost efficiency.
Group Head of Product and Innovation
5,000+
Users in year one
FoodBridge
Product led growth on a lean budget after rebuilding a stalled MVP.
Head of Product and Growth
Read the case study →36%
Revenue growth
FoodBridge
Driven through local pricing and vendor partnerships.
Head of Product and Growth
Read the case study →80%
Better execution efficiency
FoodBridge
Workflow automation and performance tracking across product and technical execution.
Head of Product and Growth
Read the case study →159%
Year on year program growth
Africa Agility
Data guided acquisition and activation.
Business Lead, Growth and Transformation
$100K+
Grant funding secured
Africa Agility
Alongside leading the organisation's first digital product MVP through launch.
Business Lead, Growth and Transformation
~4 months
Healthcare platform transformation
EzzyCare
Defined system workflows, architecture, and delivery standards for a platform serving care seekers, doctors, hospitals, and agents.
Product and Transformation Lead
Read the case study →
A decade across product, AI, growth, and engineering.
- 2019 to 2024
Meta ecosystem
Product training and enablement across 15+ markets, and WhatsApp based learning platforms built with Meta teams for users across Nigeria, South Africa, and Kenya.
- 2023 to 2025
Product & Growth leadership
Led growth and transformation at Africa Agility, rebuilt FoodBridge to 5,000+ users in year one, and ran product and engineering at BOSS Global.
- 2025 to now
Technical Product and AI leadership
Group Head of Product and Innovation at Beden Holdings, then independent work on AI product and technical leadership for healthtech and proptech platforms.
Skills & specialty
Product Leadership
- AI Product Strategy
- 0→1 Product Building
- Product-Led Growth
- Go-to-Market Strategy
- Technical Product Management
- Growth Product Management
- Product Governance
- Venture and Founder Coaching
AI and Engineering
- LLM Integration & Multi-Provider Routing
- System Design & Architecture Thinking
- Claude Code, Cursor & AI-Assisted Development
- Full-Stack Fluency
- RAG, Agents & AI Evaluation Pipelines
- AI Workflow & Agentic System Design
- Cloud and Product Analytics (AWS, Azure, PostHog)
Team and Organization Leadership
- Leading Engineering Teams
- Leading AI Development Teams
- Leading Product Teams
- Training and Capability Building
- Cross-Functional Org Design
Latest thinking
From Product Slice
Teaching and community
Product Slice HQ
A free knowledge and community project where I document practical lessons across product, AI, growth, engineering, and technology careers.
Speaking, training & partnerships
Beyond product work, I speak, teach, and mentor.
Training & Workshops
Product management, AI product development, and AI engineering workflows.
Ask about training →Brand & Creator Partnerships
Selected partnerships aligned with technology, AI, product, and professional learning.
Discuss a partnership →Mentorship
One to one mentorship on product, AI, and career growth, through ADPList.
Book on ADPList →What matters beyond shipping.
Mentorship
Helping product and technology professionals make better decisions.
Learning
Always studying, with an M.Sc. in AI Engineering in progress.
Faith
A foundation for how I lead and how I work.
Leadership
Building teams that ship and grow together.
Motivation without a corresponding action is nothing but pure desperation.