A clear path from idea to scale
A proven, collaborative process with no surprises.
Start your project- 01
Discover
1–2 weeksWe dig into your goals, users and constraints to define what success looks like.
Deliverables
- Project brief
- Scope doc
- Success metrics
Tools & methods
- Notion
- Figma
- Miro
- 02
Design
2–4 weeksWe shape the architecture and experience, interfaces, data models and APIs.
Deliverables
- System architecture
- API contracts
- UI wireframes
Tools & methods
- Figma
- Excalidraw
- ADRs
- 03
Build
4–16 weeksWe ship in short iterations with tests, reviews and continuous delivery.
Deliverables
- Tested features
- CI/CD pipeline
- Staging environment
Tools & methods
- GitHub
- Linear
- Playwright
- 04
Launch
1–2 weeksWe harden, secure and release, then monitor closely from day one.
Deliverables
- Production release
- Runbooks
- Monitoring dashboards
Tools & methods
- Grafana
- PagerDuty
- Sentry
- 05
Scale
OngoingWe optimize, extend and support as your product and users grow.
Deliverables
- Performance reports
- Roadmap updates
- SLA reviews
Tools & methods
- Datadog
- PostHog
- Linear
Trusted by teams across Africa and Europe
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- Client rating
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- Clients worldwide
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- Projects delivered
Testimonials
Trusted across industries
From public institutions to crypto exchanges, teams choose HIIS to ship software that performs, and they say so.
- AI
“We carried decades of legacy systems. HIIS delivered secure, well-documented APIs and an AI document-classification pipeline in Python and Hugging Face that cut manual processing by 60%.”
Claire MensahHead of Modernisation · National Records AgencyGovernment “HIIS built our spot exchange, order book, wallets and KYC, to take real volume under load. We have run at sub-50ms order latency and 99.99% uptime since launch.”
Marco RossiFounder & CEO · Vertex ExchangeFinance & Crypto“Our headless storefront on Next.js loads in under a second and conversion is up 38%. HIIS sweated every Core Web Vital.”
Isabelle MoreauVP of Ecommerce · Lumière Retail GroupEcommerce- AI
“HIIS built offline-first farm-management tools that sync the moment our growers get signal, plus TensorFlow yield-forecasting models, output up 22% and waste down 30%.”
Aïcha TraoréChief Executive Officer · GreenField AgritechAgriculture “HIIS delivered a HIPAA-compliant telehealth platform, secure video, scheduling and e-prescriptions, that our clinicians actually enjoy using. Wait times fell 45%.”
Dr. Sarah ChenChief Medical Officer · Lumen HealthHealth
- AI
“The mobile banking app HIIS shipped in Flutter feels instant, and their real-time AI fraud-scoring models caught threats we were missing, dropping fraud losses by 40%.”
David OkekeHead of Digital Banking · Meridian Retail BankBanking - AI
“HIIS built a multilingual semantic search engine across 20+ African languages using RAG, OpenAI and a vector pipeline, sub-300ms over 100M+ documents.”
Olivier NkurunzizaFounder · Sahara AISearch - AI
“The AI recommendation engine HIIS built lifted our average order value noticeably, personalised discovery that genuinely converts.”
Mei LinChief Digital Officer · StyleNestEcommerce “Our core payments engine, re-engineered by HIIS in Scala and Kafka, clears five million transactions a day at sub-100ms latency. It has stayed rock-solid through every peak.”
Sophie LaurentChief Technology Officer · Atlas Commercial BankBanking
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