Full-Stack Engineer & Technical Architect | Specializing in modern web apps, API development & enterprise solutions | Turning complex requirements into elegant, scalable software
Professional Journey & Expertise
I'm Tonny, a Senior Software Engineer with 7+ years of experience building production-ready applications that users love and businesses depend on. From fintech platforms processing millions in transactions to e-commerce marketplaces serving thousands of customers, I specialize in creating scalable, secure, and beautifully crafted digital experiences.
Whether it's a responsive React interface, a robust API architecture handling millions of requests, or an intelligent chatbot solving real problems—I'm passionate about writing clean code that delivers measurable business results.
What I Bring to Your Project
I'm a true full-stack engineer who excels at architecting complete solutions from database design to API development to pixel-perfect user interfaces:
Frontend Excellence: React, Next.js, TypeScript, Redux—building responsive, performant UIs with 40% faster load times and 90%+ Lighthouse scores
Backend Mastery: Node.js, Express, .NET, Python—designing RESTful & GraphQL APIs that scale to millions of requests
Cloud & DevOps: AWS (Certified), Docker, Kubernetes, CI/CD pipelines—deploying reliable, cost-efficient infrastructure
Database Design: MongoDB, PostgreSQL, MySQL, Redis—optimizing queries with caching strategies for 60% performance gains
Enterprise Integration: Connecting systems through APIs, message queues (Kafka, RabbitMQ), and modern middleware architectures
AI & Automation: Building intelligent chatbots, implementing LLM solutions, and automating workflows
Real-World Impact
I've helped businesses achieve tangible results:
Reduced deployment times by 50% through infrastructure-as-code and CI/CD automation
Improved API response times by 40% with optimized architectures and caching
Built payment infrastructure that obtained PSP licensing from Central Bank of Kenya
Created e-commerce platforms with 40% higher conversion rates through intuitive UX
Developed chatbots processing 2,000+ daily interactions with 60% faster response times
Achieved 90%+ code coverage through comprehensive testing strategies
My Approach
Great software is more than just working code—it's maintainable, testable, and built to evolve. I follow agile methodologies, write comprehensive documentation, and implement robust testing. When I join your project, I become your technical partner. I'll understand your business goals, propose the best technical approach, and deliver solutions that exceed expectations.
I'm also an entrepreneur running AXIS GROUP in South Sudan, which gives me unique insights into building products for emerging markets and understanding business needs from both technical and commercial perspectives.
Let's Build Something Amazing
Whether you need a modern web application, a scalable API platform, an e-commerce solution, or a complex enterprise system, I bring the technical expertise, attention to detail, and commitment to excellence that will make your project succeed.
Lets turn your vision into reality.
Work Terms
Hours of Operation:
Available Monday - Friday: 8:00 AM - 6:00 PM EAT (GMT+3)
Weekend availability for urgent matters by prior arrangement
Typical response time: Within 2-4 hours during business hours
Payment Terms:
Hourly rate or fixed-price projects accepted
Milestone-based payments for larger projects (30% upfront, progress-based installments)
Weekly invoicing for ongoing hourly contracts
Payment platform Deel, escrow, bank transfer, or PayPal
Communication Style:
Preferred channels: Slack, Microsoft Teams, or platform messaging
Video calls: Zoom, Google Meet, or Microsoft Teams for kickoffs and reviews
Regular updates: Daily standups for active projects, weekly progress reports for ongoing work
Documentation: Comprehensive technical documentation provided for all deliverables
Transparent time with detailed work descriptions
Project Approach:
Free 30-minute consultation to understand your requirements and goals
Detailed proposal with timeline, milestones, and technical approach
Agile development with iterative releases and regular feedback loops
Code reviews, testing, and quality assurance included in all deliverables
30 days of post-delivery support for bug fixes and adjustments
What You Can Expect:
Clean, well-documented, production-ready code following industry best practices
Proactive communication and transparency throughout the project
Meeting deadlines without compromising quality
Honest assessments of technical feasibility and project scope
A partnership mindset focused on your long-term success