Hi, I'm Samuel Ssekizinvu

I design and build scalable software solutions

Mobile, Web, Cloud & AI

With 5 years of experience in fintech, edtech, and enterprise systems, I specialize in Flutter, Python, Java, C++, and cloud technologies (AWS, Azure, GCP). I help businesses transform complex ideas into reliable, production-ready software.

Hire Me View Projects

              
              class TechnicalArchitect {
            
                final expertise = {
            
                  'languages': ['Dart', 'Python', 'JavaScript'],
            
                  'frameworks': ['Flutter', 'TensorFlow', 'React'],
            
                  'sdks': ['Payment', 'Analytics', 'Auth'],
            
                  'tools': ['Git', 'Docker', 'AWS']
            
                };
            
                void buildAmazingSoftware() {
            
                  return 'Creating innovative solutions';
            
                }
            
                void optimizeProcesses() {
            
                  print("Optimizing processes with AI and machine learning");
            
                }
            
                void deliverSolutions(String clientName) {
            
                  print("Delivering solution to " + clientName);
            
                }
            
              }

About Me

I'm Samuel Ssekizinvu, a Software Engineer passionate about designing modern systems that scale. From mobile apps and fintech platforms to AI-powered dashboards and microservices, I help businesses bring complex ideas into reliable, production-ready software.

Over the past 5 years, I've worked with startups and enterprises across fintech, edtech, and AI sectors, building solutions that handle millions of transactions, serve thousands of users, and operate across multiple continents.

5 Years Experience

50+ Projects Delivered

23M+ UGX Processed

10K+ Daily Active Users

Available for remote roles, collaborations, and freelance projects.

Technical Skills

Proficiency across modern technologies and frameworks

Frontend Development

Flutter & Dart 95%

5 years

React & JavaScript 90%

5 years

HTML5 & CSS3 92%

5 years

Backend Development

Python & Django 88%

5 years

Node.js & FastAPI 85%

5 years

Java & Go 82%

5 years

Cloud & DevOps

AWS & Azure 87%

5 years

Docker & Kubernetes 80%

5 years

PostgreSQL & MongoDB 85%

5 years

AI & Machine Learning

TensorFlow & PyTorch 83%

5 years

Computer Vision & NLP 78%

5 years

Data Analysis & Pandas 85%

5 years

Services & Capabilities

End-to-end solutions across the full technology stack

📱 Mobile Development

Cross-platform mobile apps with Flutter, iOS, and Android. From concept to App Store deployment.

Flutter & Dart
iOS & Android Native
React Native
App Store Optimization

🌐 Web Apps & Dashboards

Full-stack web applications, admin dashboards, and progressive web apps using modern frameworks.

React & MERN Stack
Admin Dashboards
Progressive Web Apps
Real-time Analytics

☁️ Cloud & DevOps

Scalable cloud infrastructure, microservices architecture, and automated deployment pipelines.

AWS, Azure, GCP
Docker & Kubernetes
Microservices & gRPC
CI/CD Pipelines

💳 Fintech Systems

Payment platforms, digital wallets, USSD systems, and financial transaction processing.

Payment Gateways
USSD & Banking APIs
Blockchain Integration
Transaction Security

🧠 AI & Data Solutions

Machine learning models, data analytics, automation, and intelligent business insights.

TensorFlow & PyTorch
NLP & Computer Vision
Predictive Analytics
Data Automation

⚡ Custom SDKs

Developer tools, APIs, and integration solutions for seamless third-party connectivity.

REST & GraphQL APIs
Cross-Platform SDKs
Developer Documentation
Integration Support

Custom SDKs

Payment SDK v2.1.0

Multi-currency Support

Secure Transactions

Real-time Processing

Analytics SDK v1.8.0

User Behavior Tracking

Custom Events

Real-time Metrics

Authentication SDK v3.0.1

Biometric Integration

OAuth 2.0 Support

JWT Management

Open Source & GitHub

Contributing to the developer community through open-source projects

0

Repositories

0

Total Stars

0

Commits

0

Followers

Featured Repositories

macros

180

Advanced macro system for code generation and automation in Dart/Flutter applications.

Dart

widget_hydrator

120

A powerful Flutter mixin for effortless StatefulWidget state persistence and hydration.

Dart

cs50sdkupdate

130

A comprehensive solution for integrating with CS POS ES, facilitating printer management and PICC operations.

Dart

View All Repositories

Featured Projects

Real-world solutions that drive business results

Fintech Platform

PinnKET

Challenge: Event organizers needed a scalable platform to manage ticket sales and analytics.

Solution: Built a comprehensive event management platform with real-time analytics and payment processing.

10K+ Daily Users

99.9% Uptime

Flutter Firebase Node.js TensorFlow

View Live

Fintech Platform

Acopesa

Challenge: Create a secure fintech platform to handle high-volume financial transactions in Uganda.

Solution: Built a comprehensive fintech ecosystem with advanced security, real-time processing, and regulatory compliance.

23M+ UGX Monthly

99.8% Success Rate

React Python AWS FastAPI

View Live

Blockchain Platform

OurPesa

Challenge: Develop a blockchain-based savings platform that makes DeFi accessible to everyday users.

Solution: Created a user-friendly savings and investment platform with smart contracts, automated yields, and secure wallet integration.

5K+ Active Savers

12% APY Returns

Go Blockchain PostgreSQL Flutter

View Live

Food Discovery App

HaloDish

Challenge: Muslim communities needed a reliable platform to discover certified halal restaurants and food options.

Solution: Built a geospatial food discovery platform with halal certification verification, reviews, and location-based recommendations.

2K+ Restaurants

15K+ App Downloads

Flutter PostgreSQL Docker Python

View Live

AI/ML Platform

AI Solutions

Challenge: Businesses needed intelligent automation and data insights but lacked AI expertise.

Solution: Developed custom AI models for recommendation engines, predictive analytics, and automated decision-making systems.

85% Accuracy Rate

40% Cost Reduction

TensorFlow PyTorch Kubernetes Python

Contact for Demo

Community Platform

MuslimDX

Challenge: Muslim communities needed a comprehensive digital platform for religious services and halal food ordering.

Solution: Created an all-in-one platform featuring prayer times, Qibla direction, halal restaurant management, and community features.

8K+ Active Users

500+ Restaurants

Flutter Firebase PostgreSQL Docker

View Live

My Flutter Packages

CS50 SDK Update

A comprehensive solution for integrating with CS POS ES, facilitating operations such as printer management, PICC operations, and more.

v0.0.2 (6 months ago) Dart 3 compatible

Likes: 130 Points: 160 Downloads: 36

Package Details Copy Package

Flutter Feature Tour

A powerful and customizable feature tour package for Flutter applications.

v0.1.0 (2 months ago) Dart 3 compatible

Likes: 150 Points: 150 Downloads: 37

Package Details Copy Package

Structify Pro

A Dart package that allows you to create and use structs.

v1.0.0 (12 months ago) Dart 3 compatible

Likes: 140 Points: 140 Downloads: 21

Package Details Copy Package

Widget Hydrator

A powerful Flutter mixin for effortless StatefulWidget state persistence and hydration.

v2.0.0 (20 days ago) Dart 3 compatible

Likes: 120 Points: 135 Downloads: 135

Package Details Copy Package

What Clients Say

Trusted by industry leaders and growing startups

"Samuel's work on Acopesa was a game changer. His ability to scale systems while ensuring security was instrumental in processing 23M UGX monthly transactions."

Puis Kiiza

CEO, Acopesa

Fintech

Samuel’s work on Acopesa was a game changer. His ability to scale systems while ensuring security was instrumental in the success of our platform.

Puis

CEO, Acopesa

His work with PinnKET’s real-time analytics helped us stay ahead of the competition, and the platform’s smooth performance speaks volumes about his skills.

Jjunju Karim

Co-founder, PinnKET

Samuel's approach to AI and machine learning solutions at Foroden has significantly improved our data insights, boosting our decision-making process.

Lydia Okello

Data Scientist, Foroden

Samuel’s dedication and expertise in blockchain development were evident during his work on OurPesa. His understanding of the technology was crucial for the platform's success.

Raymond Nuwagaba

Blockchain Specialist, OurPesa

Samuel helped us implement cutting-edge AI-driven solutions that were integral to the success of our customer-facing products. His passion for innovation shines through.

Daniel Ssemanda

Lead Engineer, AI Solutions

Certifications & Awards

Technical Software Development

Google

2023

AWS Certified Solutions Architect

Amazon Web Services (AWS)

2024

Machine Learning Specialist

Coursera / Stanford University

2022

Google Cloud Professional Cloud Architect

Google Cloud

2024

Blockchain Developer

IBM

2023

Certified Kubernetes Administrator (CKA)

Cloud Native Computing Foundation (CNCF)

2023

React Developer Certification

Udemy

2022

Frequently Asked Questions

What services do you offer?

I specialize in mobile app development, custom SDK creation, and AI solutions. This includes full-stack development, system architecture, and technical consulting.

What technologies do you work with?

I have experience working with a range of technologies such as Flutter, React, Java, Python, Go,C/C++ TensorFlow, AWS, PostgreSQL, Docker, and Kubernetes.

Can you help with blockchain-based projects?

Yes, I have experience in developing blockchain-based solutions, including smart contracts, decentralized applications (dApps), and blockchain integration with platforms like Ethereum.

Do you offer AI and machine learning services?

Absolutely! I create custom AI models for tasks such as image recognition, natural language processing, predictive analytics, and personalized recommendations using frameworks like TensorFlow and PyTorch.

What is your approach to project management?

I follow agile methodologies and use tools like Jira and Trello for task management. I prioritize clear communication, regular updates, and close collaboration with clients throughout the project lifecycle.

How do you ensure the security of your applications?

I implement best practices for security, such as secure coding techniques, data encryption, role-based access control, and regular security audits. Additionally, I integrate secure cloud services and infrastructure to ensure high levels of data protection.

Can you work with remote teams?

Yes, I have extensive experience working with remote teams. I use collaborative tools like Slack, Zoom, and GitHub to ensure smooth communication and effective teamwork across time zones.

Do you provide post-launch support?

Yes, I offer post-launch support to ensure the application runs smoothly, including bug fixes, updates, and adding new features based on user feedback and market needs.

Technical Insights

Sharing knowledge and experience through in-depth technical articles

Architecture

Building Scalable Fintech APIs with Microservices

Learn how to design and implement robust fintech APIs using microservices architecture, handling millions of transactions with zero downtime.

March 15, 2024 8 min read

Read More

Mobile Dev

Flutter vs React Native: A Technical Deep Dive

Comprehensive comparison of Flutter and React Native from performance, development experience, and scalability perspectives based on real projects.

February 28, 2024 12 min read

Read More

Cloud & DevOps

Implementing Real-time Analytics at Scale

How to build real-time analytics systems that process millions of events per second using Kafka, PostgreSQL, and modern cloud infrastructure.

January 20, 2024 10 min read

Read More

AI/ML

Machine Learning in Production: Lessons Learned

Practical insights on deploying ML models to production, monitoring performance, and maintaining accuracy in real-world applications.

December 10, 2023 15 min read

Read More

Security

Securing Payment Systems: A Developer's Guide

Best practices for implementing secure payment processing systems, including PCI compliance, encryption, and fraud detection strategies.

November 25, 2023 11 min read

Read More

Performance

Optimizing Flutter Apps for Enterprise Scale

Advanced techniques for optimizing Flutter applications for enterprise use, including memory management, state optimization, and performance monitoring.

October 15, 2023 9 min read

Read More

Want to discuss any of these topics or collaborate on similar projects?

Get In Touch

Get In Touch