Peter Sowah

I am currently working as a Senior Software Engineer, and I work on the Hunu platform, our primary service.

Senior Software Engineer at Float (YC W'20)

Built the BOP(Business Operating Permits) system for the Government of Ghana to automate the issuance of Business Operating Permits. The system handles payments for BOP renewal, notifications on permit expiry and issuance of e-Permits which can be printed.

DevOps – Setting up CI & CD pipelines for projects, provision AWS EC2 servers, code reviews, interview potential hires, systems design and architecture, mentoring and coaching developers, leading engineering deliverables.

I design database and APIs for products.
• DevOps – Setting up CI & CD pipelines for projects, provision AWS EC2 servers
• Conduct code reviews
• Interview potential hires via phone screenings.
• Undertake Systems Design and Architecture of new and existing
products.

Implemented GraphQL to reduce data transfer and improve development efficiency by 15%; integrated TextIt for WhatsApp communications accelerating feature delivery by 33% and built an OpenAI-powered system for automated assessment reporting and personalised learning plans.

Led development of AI-integrated cloud accounting software improving reporting speed by 26%; orchestrated migration from Symfony to Ruby on Rails with 99.9% uptime and managed a team to migrate customer data improving query performance by 17%.

Led a 9-member team to launch three flagship products reducing support tickets by 23% and achieving 85% user satisfaction; architected systems for multiple products and ran workshops to improve debugging and refactoring skills.

Designed scalable architecture for a geospatial app serving 1,200+ active users and built a geo-fencing SaaS that increased engagement by 35% and conversions by ~25%; mentored junior developers in modern web practices.

Designed backend SOA architecture with monitoring and fault tolerance for high availability and supervised a 4-member team to deliver a national Business Operating Permit platform enabling revenue tracking across MMDAs.

Built an e-learning platform for Bank of Kigali and handled DevOps and Linux server provisioning across environments to support onboarding and training workflows.

Championed GitLab CI adoption improving workflows and cutting deployment time by 73%; delivered custom enterprise applications using PHP, Ruby, and JavaScript across multiple industries.

Developed 40+ APIs using Laravel/Lumen, Ruby on Rails, and Node.js and built custom WordPress themes and plugins for major clients including Vodafone Ghana and 3News.

Developed web and mobile clients using Laravel, jQuery, and AngularJS and built/deployed REST APIs for Android applications including database design and optimisation.