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
14
Projects
5+
Years Experience
10+
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
Seven Years 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
- - 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
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.