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william karia

@williamkaria

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Full Stack Software Developer who contributed to BN Community and built web apps with Vue.js, Nuxt.js, and FastAPI.

Kenya

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At BitNorm, I contributed to BN Community, a platform for crypto and blockchain investment enthusiasts. I developed backend services and APIs in Rust to support community features and real-time interactions.

At Nathan Digital, I collaborated on HR and payroll interfaces using Vue.js and Nuxt.js. I also integrated backend services and third-party APIs for onboarding, payroll, and attendance workflows.

At Kdanalytics, I translated Figma designs into web pages and developed API endpoints with FastAPI. I also integrated SharePoint and Stripe APIs, including a Stripe integration for payment processing.

As a freelance web developer at Fiver, I created client solutions using JavaScript and FastAPI, integrated APIs, and used Playwright and Selenium for web scraping. Earlier, as a FullStack Developer Intern at California Systems Inc., I collaborated on FastAPI APIs and responsive web designs.

Experience

Work history, roles, and key accomplishments

Backend Engineer

BitNorm

Jun 2025 - Jan 2026 (7 months)

Contributed to BN Community, a platform uniting crypto and blockchain investment enthusiasts. Designed and implemented backend services in Rust, focusing on performance, safety, and scalability.

Rust Web3 API Development backend architecture

Associate Front-end Developer

Nathan Digital

Dec 2024 - Dec 2025 (1 year)

Collaborated with cross-functional teams to develop and maintain intuitive HR and payroll web interfaces using Vue.js and Nuxt.js. Integrated backend services using Node.js (Express) and utilized MongoDB for scalable data storage.

Vue.Js Nuxt.Js NodeJS Express MongoDB API Integration Agile Documentation

Full Stack Developer

Kdanalytics

Jan 2022 - Jan 2023 (1 year)

Employed Vue.js, Vuetify, HTML, and CSS to translate Figma designs into functional web pages. Architected and deployed robust API endpoints using Python FastAPI and integrated SharePoint and Stripe APIs.

Vue.Js Vuetify HTML CSS Python fastAPI MongoDB Stripe SharePoint Nuxt.Js

FullStack Developer Intern

California Systems Inc.

Jan 2021 - Jun 2022 (1 year 5 months)

Reviewed and optimized codebase, resolving issues swiftly. Collaborated with back-end developers to architect and implement efficient APIs using FastAPI, and integrated visual elements with back-end functionalities.

fastAPI Vuetify HTML CSS Responsive Design API Development Quality Assurance

Freelance Web Developer

Fiver

Apr 2022 - Present (4 years 6 months)

Leveraged web technologies including HTML5, CSS3, JavaScript, and FastAPI to engineer bespoke solutions for diverse clients. Integrated APIs and executed web scraping and data mining operations using Playwright and Selenium.

HTML5 CSS JavaScript fastAPI API Integration Playwright Selenium Web Scraping