Clentro000
High-velocity engineering

Build. Ship.
Fast.

We build production-ready software for SaaS and AI startups turning early concepts into shipped product in weeks, not quarters.

5+
Products shipped
45-day
Average delivery
100%
Client satisfaction
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Our operating principle
Speed and quality
aren't mutually exclusive.
They're requirements.
Client words

What founders say after we ship.

Haris and his team have been excellent every step of the way. From early planning and technical scoping to day-to-day communication and final execution, the process has been smooth, organized and transparent. Haris consistently demonstrates strong ability to translate complex ideas into clear technical solutions, while keeping timelines and priorities aligned. His team is responsive, detail-oriented, and proactive in raising questions or suggesting improvements rather than simply following instructions. Haris and his team are a great choice, I would highly recommend and look forward to continuing our work together.
Tuoyo Omare
Tuoyo OmareFounder & CEO, RevvAuto
Amazing working with Haris with 0 regrets. He was on top of the project the whole time, clear with his communication and open to all feedback provided. I have worked with him twice so far and it is far from the last time. Great person with an amazing head on his shoulders!
Sunny SinghADS Founder & CEO, Canada
Exceptional developers to work with on the INKNAIJA project. Highly skilled, reliable, and communicates clearly. They delivered quality code, solved problems quickly, and stayed committed to the project's success. I'd gladly work with them again!
Samson BabajideDevOps Engineer, CEO of Inknaija
Haris was fantastic to work with. He has a calm, confident demeanor and it's immediately clear that he knows his craft. He stepped in seamlessly, took ownership, and made an immediate impact. His contributions genuinely moved the project forward, and I wouldn't hesitate to work with him again.
JohnStartup Founder
Excellent work! Delivered clean, efficient code and showed deep knowledge of agents. Easy to communicate with and reliable. Would definitely hire again.
Jimnet
JimnetRegional Manager at Silverstone Car Racing, UK
Capabilities

Full-spectrum engineering, under one roof.

We don't just write code, we build businesses. Product, platform, AI and mobile, delivered by one senior team.

01

SaaS Product Development

End-to-end product engineering — from first wireframe to production infrastructure.

  • Multi-tenant architecture
  • Subscription & billing
  • Real-time data pipelines
  • Auto-scaling infrastructure
02

Full-Stack Web Engineering

Modern web systems on fast, stable, framework-native stacks.

  • React & Next.js frontends
  • Node & Python services
  • Postgres & vector stores
  • JWT / OAuth security
03

AI Development

Intelligent systems wired into the core of your product.

  • Retrieval-augmented generation
  • Autonomous agents & tools
  • Fine-tuning & evaluation
  • LLM-native workflows
04

Mobile App Ecosystems

Native-quality apps across iOS, Android, and everything between.

  • React Native & Expo
  • Offline-first sync
  • Push & real-time features
  • App Store delivery
Start a project

Let's build something exceptional.

45-day
Average delivery
2-week
Sprint cadence