I am Kelvin (Fiifi),
Nketia-Achiampong,
software
engineer based
on Planet Earth.
About
Senior Software Engineer with 4+ years of experience in full-stack development, data science, and artificial intelligence. Expertise in building scalable backend systems, machine learning models, and generative AI tools. Proven track record in delivering solutions that drive business impact, including personalized recommendation systems, semantic search engines, and agentic workflows. Skilled in Python, ML algorithms, and cloud services, with a strong focus on AI-driven products and large-scale systems.
Download CVExperience
Data Intelligence and Swarm Analytics Laboratory
Software Engineer - Full Stack
09/2023 - Present
Developed a Python FastAPI backend, improving system performance by handling 10+ requests per second per client, leveraging asynchronous capabilities and an optimized RESTful API design to ensure efficient and scalable service delivery.
Developed a chatbot to assist students and staff with inquiries on graduation status and grades, increasing response efficiency by 80%.
Implemented machine learning research projects using Python libraries (Pandas, Numpy, Matplotlib, Tensorflow, Pytorch) to streamline academic research processes.
Configured Docker containers for engineers, enabling efficient use of system resources like GPUs for model training to reduce runtime errors cause by the environment by 40% and operational cost by over 50%.
Chatdaddy
Software Engineer - Backend
08/2020 - 02/2022
Modernized legacy NodeJs/TypeScript architecture to a serverless framework, improving scalability and reducing operational costs by 20%.
Integrated various eCommerce platforms into the product, empowering over 150 businesses to track and manage online stores, increasing platform adoption by 25%.
Experience
WiV Technologies
Software Engineer - Full Stack
02/2022 - 07/2023
Led the integration of Web3 and EthersJS, securing over $2M worth of Ethereum transactions by enabling secure, transparent interactions with blockchain.
Optimized user experience by developing responsive web pages in Vue.js, leading to a 30% increase in user retention across mobile devices.
Developed a wine recommendation model based on user interactions and wallet holdings, driving a 25% increase in user engagement on the platform.
Education
University of Ghana
Bachelor of Science in Computer Science
University of Ghana
Masters of Science in Computer Science
2024 - 2025 (Expected)
Expertise
- Python
- FastAPI
- CSS
- GIT
- Javascript
- Full-stack development
- Model development
- Data Structures & Algorithmsn
- Microservices
- Service-oriented architecture
- NodeJS
- SQL/NoSQL
- Docker
Recent Works
Here are some of my favorite projects I have done lately. Feel free to check them out.
Machine Learning Laboratory
The project focuses on enhancing research capabilities in machine learning and computer vision, specifically for students and researchers. The project involves developing and managing a platform that supports the creation, storage, and sharing of machine learning models and datasets. Key components include a Python FastAPI backend for RESTful APIs , a custom GitLab server for secure, version-controlled model storage, Docker containers for environment managment and a Nextjs frontend for a user- friendly interface with secure authentication to improve data integrity, and enhance the overall user experience.
- Python
- FastAPI
- React
Web3 Wine Marketplace
The WiV NFT Marketplace is a blockchain-based platform designed to revolutionize wine asset trading and investment by utilizing non-fungible tokens (NFTs). The platform allows wine assets to be securely digitized, transparently tracked, and traded without intermediaries, enhancing the efficiency and security of the wine market. The project integrates blockchain technology, smart contracts, and a robust web infrastructure to facilitate these processes. It aims to streamline wine trading, making it more accessible and trustworthy through the use of cutting-edge technology.
- Web3
- Vue.js
Rucksuck
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- Product Design
Since Day One
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- Website
Sand Dunes
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- Illustration
Minimalismo
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- Branding
- Product Design
Get In Touch
I love to hear from you. Whether you have a question or just want to chat about tech & art — shoot me a message.