Akwaaba

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 CV

Experience

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.

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.