Your business deserves more than a website.
It deserves a system that works while you sleep.
Senior Full-Stack Engineer & Tech Lead
Praise
Chiedozie Sunday
Senior Full-Stack Engineer & Tech Lead | Fintech, SaaS, AI/NLP
Shipping production systems across fintech, SaaS, and AI
26
Projects
5+
Years Experience
51
Technologies
PyPI
Published Library
Open to remote full-time and contract roles
About Me
The Story
Senior Full-Stack Engineer and Tech Lead with 5+ years of experience architecting and shipping digital products for businesses in fintech, e-commerce, SaaS, and media.
As founder of Techdozie Solutions, I lead engineering teams end to end: architecture, backend development, deployment, and production operations.
Most recent flagship: I led the build of a community fintech platform now serving 848+ registered customers and processing over ₦795M in total deposits, with a mobile app live on Google Play.
Published open-source developer on PyPI and creator of the first Igbo-English code-mixed hate speech detection model.
Education & Certifications
- Higher National Diploma Computer Science - Akanu Ibiam Federal Polytechnic, Unwana, Afikpo, Ebonyi State (2024)
- National Diploma Computer Science - Akanu Ibiam Federal Polytechnic, Unwana, Afikpo, Ebonyi State (2020)
- Quantum-Safe Encryption Essentials (IBM)
- Introduction to Cybersecurity (IBM)
- Hadoop Foundations L1 (IBM)
- Big Data Foundations L1 (IBM)
- Machine Learning with Python L1 (IBM)
- Data Analysis Using Python (IBM)
What I Work With
Tech Stack
Languages
Frameworks
AI & Data
Databases & APIs
Infrastructure & Tools
Methodologies & Soft
Career Journey
A Decade of Delivery
03/2019 - Present
Founder & Tech Lead
Techdozie Solutions
- Lead end-to-end development and delivery of digital products for SMEs and enterprises across Nigeria, spanning fintech, e-commerce, SaaS, and media
- Architected and led the build of a community fintech platform now serving 848+ registered customers and processing over ₦795M in total deposits, live in production with mobile app on Google Play
- Personally build backend systems and APIs with Laravel, Node.js, and Django; full-stack web apps with React, Next.js, and Vue; and mobile apps with React Native and native Android (Kotlin)
- Lead engineering teams through architecture, briefs, code review, and delivery on client projects
- Deploy and manage production infrastructure including VPS provisioning, WebRTC, and self-hosted Coturn TURN servers for real-time communication systems
- Published PySpamDetector on PyPI (96.6% test accuracy) and built the first Igbo-English code-mixed hate speech detection model as HND final year research
- Optimized backend systems reducing server response time by 50% through API refactoring and database indexing
05/2025 - Ongoing
Part-Time Remote Software Developer
Eleven23 Digital
- Contributed to web development projects focused on building African businesses into globally competitive digital enterprises
- Collaborated with cross-functional teams on client-facing digital solutions and website development
06/2020 - 10/2020
Instructor & Cyber Café Manager
Unique Stars Computer
- Trained 20+ teenagers in foundational and advanced computing skills through hands-on lessons
- Managed daily cybercafé operations, reducing wait times and improving user experience
- Provided on-site technical support, cutting recurring problems by 15%
12/2016 - 01/2019
Office Assistant
Goodness Computers
- Reduced data processing time by 30% by building Excel automation tools
- Designed 100+ visual assets adhering to brand guidelines
- Managed software updates, patches, and system configurations across multiple machines
Selected Work
Products I've Shipped
2026
2025
2024
Let's talk
Ready to build something serious?
I'm currently open to remote full-time and contract engineering roles. If you're hiring a senior full-stack engineer or tech lead, or if you need a freelance build, let's connect.