About Me

My name is John Tasie. I'm a Front-End Engineer working remotely with clients worldwide.

I specialize in building modern web applications using React and TypeScript. My expertise includes creating responsive interfaces, implementing state management solutions, and integrating with RESTful APIs. I'm passionate about delivering clean, maintainable code and creating exceptional user experiences.

With experience working with international clients and remote teams across multiple time zones, I've developed strong communication skills and the ability to collaborate effectively in diverse environments. I'm constantly learning and exploring new technologies to stay at the forefront of front-end development.

Contact Me

Skills

Experience

Front-End Engineer

UPWORK

Feb 2023 — Current

Technologies:

React, Next.js, REST APIs, TypeScript, Recharts, Chart.js

•Led the development of different scalable, secure SaaS platforms from scratch, turning it into a market-ready product for clients using React, Next.js, and REST APIs
•Collaborated with a team of software engineers in Turing Company to develop an AI-powered chart generation system using React, Typescript, Recharts, and Chart.js, enabling dynamic visualization of various datasets, including scatter plots, bump charts, polar charts, choropleth map and word clouds
+1 more responsibilities...

R21

Front-End Engineer

ROCKET 21

Jan 2024 — Feb 2025

Technologies:

React, TypeScript, Data Visualization, Trading APIs

•Engineered a complex Data Studio for analyzing 400+ trading pairs, enabling users to monitor forex pairs and cryptocurrency trends, boosting customer retention by 10%
•Brought high standards in the feature building process (including testing and documentation) and focused on efficient collaboration between Backend and Frontend teams across 13 countries
+1 more responsibilities...

React Developer

SPLITCASH

Nov 2023 — May 2024

Technologies:

React, Redux, ES6, Third-party APIs

•Developed and maintained scalable single-page applications (SPA) using React and Redux for state management
•Integrated third-party APIs and services to enhance application functionalities of web applications
+1 more responsibilities...

Front-end Developer

TRADING VIEW

Oct 2022 — Sept 2023

Technologies:

React, TypeScript, Redux, RESTful APIs, Custom Hooks

•Developed scalable, real-time trading UIs in React with TypeScript and Redux; leveraged custom hooks to streamline logic and reduce render latency
•Actively participated in code reviews, refactoring legacy components, and enforcing consistent coding standards across the project
+1 more responsibilities...

Junior Web Developer (Intern)

MAK ARTISTRY

Jan 2022 — July 2022

Technologies:

React, Node.js, RESTful APIs, JavaScript

•Assisted in the development and testing of React Components under the supervision of senior developers
•Gained hands-on experience in designing and development of reusable react components
+2 more responsibilities...

Front-End Engineer

UPWORK

Feb 2023 — Current

Technologies:

React, Next.js, REST APIs, TypeScript, Recharts, Chart.js

•Led the development of different scalable, secure SaaS platforms from scratch, turning it into a market-ready product for clients using React, Next.js, and REST APIs
•Collaborated with a team of software engineers in Turing Company to develop an AI-powered chart generation system using React, Typescript, Recharts, and Chart.js, enabling dynamic visualization of various datasets, including scatter plots, bump charts, polar charts, choropleth map and word clouds
•Optimized and refactored the codebase for small businesses, enhancing performance, reliability, code maintainability, and SEO

R21

Front-End Engineer

ROCKET 21

Jan 2024 — Feb 2025

Technologies:

React, TypeScript, Data Visualization, Trading APIs

•Engineered a complex Data Studio for analyzing 400+ trading pairs, enabling users to monitor forex pairs and cryptocurrency trends, boosting customer retention by 10%
•Brought high standards in the feature building process (including testing and documentation) and focused on efficient collaboration between Backend and Frontend teams across 13 countries
•Collaborated closely with designers to achieve pixel-perfect interfaces, enhancing user satisfaction by 15%

React Developer

SPLITCASH

Nov 2023 — May 2024

Technologies:

React, Redux, ES6, Third-party APIs

•Developed and maintained scalable single-page applications (SPA) using React and Redux for state management
•Integrated third-party APIs and services to enhance application functionalities of web applications
•Refactored legacy React class components into modern ES6 functional components for improved performance, readability, and maintainability

Front-end Developer

TRADING VIEW

Oct 2022 — Sept 2023

Technologies:

React, TypeScript, Redux, RESTful APIs, Custom Hooks

•Developed scalable, real-time trading UIs in React with TypeScript and Redux; leveraged custom hooks to streamline logic and reduce render latency
•Actively participated in code reviews, refactoring legacy components, and enforcing consistent coding standards across the project
•Collaborated with quant analysts and backend engineers to integrate RESTful APIs and optimize UX

Junior Web Developer (Intern)

MAK ARTISTRY

Jan 2022 — July 2022

Technologies:

React, Node.js, RESTful APIs, JavaScript

•Assisted in the development and testing of React Components under the supervision of senior developers
•Gained hands-on experience in designing and development of reusable react components
•Implemented RESTful APIs in NodeJS for integration with front-end interfaces
•Helped in debugging and troubleshooting application issues during development stage

Front-End Engineer

UPWORK

Feb 2023 — Current

Technologies:

React, Next.js, REST APIs, TypeScript, Recharts, Chart.js

•Led the development of different scalable, secure SaaS platforms from scratch, turning it into a market-ready product for clients using React, Next.js, and REST APIs
•Collaborated with a team of software engineers in Turing Company to develop an AI-powered chart generation system using React, Typescript, Recharts, and Chart.js, enabling dynamic visualization of various datasets, including scatter plots, bump charts, polar charts, choropleth map and word clouds
•Optimized and refactored the codebase for small businesses, enhancing performance, reliability, code maintainability, and SEO

R21

Front-End Engineer

ROCKET 21

Jan 2024 — Feb 2025

Technologies:

React, TypeScript, Data Visualization, Trading APIs

•Engineered a complex Data Studio for analyzing 400+ trading pairs, enabling users to monitor forex pairs and cryptocurrency trends, boosting customer retention by 10%
•Brought high standards in the feature building process (including testing and documentation) and focused on efficient collaboration between Backend and Frontend teams across 13 countries
•Collaborated closely with designers to achieve pixel-perfect interfaces, enhancing user satisfaction by 15%

React Developer

SPLITCASH

Nov 2023 — May 2024

Technologies:

React, Redux, ES6, Third-party APIs

•Developed and maintained scalable single-page applications (SPA) using React and Redux for state management
•Integrated third-party APIs and services to enhance application functionalities of web applications
•Refactored legacy React class components into modern ES6 functional components for improved performance, readability, and maintainability

Front-end Developer

TRADING VIEW

Oct 2022 — Sept 2023

Technologies:

React, TypeScript, Redux, RESTful APIs, Custom Hooks

•Developed scalable, real-time trading UIs in React with TypeScript and Redux; leveraged custom hooks to streamline logic and reduce render latency
•Actively participated in code reviews, refactoring legacy components, and enforcing consistent coding standards across the project
•Collaborated with quant analysts and backend engineers to integrate RESTful APIs and optimize UX

Junior Web Developer (Intern)

MAK ARTISTRY

Jan 2022 — July 2022

Technologies:

React, Node.js, RESTful APIs, JavaScript

•Assisted in the development and testing of React Components under the supervision of senior developers
•Gained hands-on experience in designing and development of reusable react components
•Implemented RESTful APIs in NodeJS for integration with front-end interfaces
•Helped in debugging and troubleshooting application issues during development stage

Education

My formal education combined with continuous learning through online platforms and communities:

UoL

B.Sc. Geology

University of Lagos

Course Contents: Earth Sciences, Geological Mapping, Mineralogy, Petrology

Oct 2015 - Oct 2021

Meta Front End Developer Certification

Meta (Facebook)

Course Contents: React, JavaScript, HTML/CSS, UI/UX, Front-End Development Principles, Responsive Design

2023

Youth Entrepreneurship Program

CcHUB

Course Contents: Entrepreneurship, Business Development, Innovation

2022

Additional Training & Communities

•Coursera Developers Group, Member
•Udemy Training Community Trainee
•Young African Leaders Initiative, alumnus
•CcHUB, Youth Entrepreneurship Program Facilitator