Three services, two registered companies.

Advisory and project management run through Jenga Tech Consulting. Product engineering runs through Handisi Digital Solutions Limited. Either way, you work directly with me.

A loaded container ship at the harbour mouth at dusk, a wooden boat crossing in the foreground
Dar es Salaam harbour at dusk. Every service on this page is judged on whether the work ships.

Full-Stack Software Development

Delivered through Handisi Digital Solutions Limited

End-to-end development of web applications, APIs and digital platforms, from single-page applications to enterprise systems with offline-first capability, multi-tenant architecture and government system integrations.

  • Full-stack builds: React/Next.js, Angular, Vue.js, Django, Laravel, Phoenix, Spring Boot
  • Offline-first PWA architecture for low-connectivity environments
  • USSD and SMS channels (dial-code menus that run on any phone) for feature-phone users
  • Government system integrations (ESB, payment gateways, tax systems)
  • Multi-tenant SaaS architecture from day one

Typical engagement range$5,000 – $50,000+, fixed price

Contact about this service

Technical Advisory & Fractional CTO

Through Jenga Tech Consulting

Technology advisory for organisations navigating digital transformation: architecture reviews, technology selection, system audits, ERP planning and technical due diligence. Fractional-CTO retainers keep an engineer's judgment in the room every month.

  • Architecture review and optimisation
  • ERP selection, procurement and implementation oversight
  • Business process re-engineering
  • Vendor evaluation and procurement support for government tenders (I have no vendor affiliations, so recommendations serve your interest only)

Typical engagement range$2,000 – $10,000/month, retainer

Contact about this service

Project Management & Coordination

Through Jenga Tech Consulting

End-to-end delivery management for complex technology programmes, from donor-funded government platforms (including IFAD-funded delivery for Zanzibar's Ministry of Blue Economy and Fisheries) to multi-stakeholder joint ventures. I manage timelines, teams, vendors and expectations so the programme ships.

  • Government procurement and donor-funded programme experience
  • Joint-venture coordination across local and international teams
  • PRINCE2 methodology with Agile adaptation
  • Stakeholder management across government, donor and technical teams

Typical engagement range$3,000 – $15,000/month, time & materials

Contact about this service
A kiosk serving hatch at nightfall, desk lamp lit, a feature phone on the counter and prices chalked on the wall
A kiosk counter at nightfall, with prices chalked on the wall for everyone to see. The prices on this page work the same way.

These are typical ranges, not quotes. Every engagement gets scoped and priced in a written proposal before any commitment, and the discovery call that starts that process is free.

Cross-border delivery

Demos every week · Written proposal within two business days · Invoiced in USD · Contracts and proposals in English

Not sure which fits?

That's what the discovery call is for. Thirty minutes, no obligation, and an honest answer about whether I'm the right person for the job.

Book a Discovery Call