wandji bertrand
Wandji Bertrand_ full-stack developer
EMAIL:
wandji.bt@gmail.com
ADDRESS:
Douala, Cameroon

Hi_

Resilient full-stack developer with over three years of experience building and maintaining complex Ruby on Rails applications, with a proven track record of resolving 300+ issues across multiple projects while improving code quality, performance, and design implementations. Motivated by a passion for learning new technologies, I excel at problem-solving, analytical thinking, and team collaboration. Known for delivering clean, reusable software solutions and consistently meeting deadlines with a strong commitment to quality.

Open to new roles.


Resume_

Employment

Open Food Network

July 2024 - Present

- Resolved 20 plus GitHub issues involving bug fixes, dependency upgrades, and code quality improvements, while implementing Figma designs and migrating AngularJS-related logic to Stimulus controllers, utilizing Hotwire for enhanced frontend responsiveness.

- Facilitated productive tech discussions with team members across Slack and GitHub pull requests, fostering collaboration, code quality improvements, and best practices.

SciNote ELN

June 2023 - April 2024

- Completed 280+ Jira tickets, including package upgrades, bug fixes, code quality improvements, implementing Figma designs, and writing API documentation primarily used by app users to facilitate smoother interactions with the platform.

- Collaborated daily with a cross-functional team of 9 developers, UX designers, and 5 product team members, ensuring seamless communication and progress on project goals.

- Contributed significantly to the development of 4 new features under supervision, which created upsell opportunities and enhanced product offerings.

Freelance Developer (Upwork)

March 2022 - May 2023

- Completed 420+ hours of work on Upwork, managing 40+ tasks from development through production with minimal supervision, leveraging agile methodologies to ensure efficient delivery.

- Consistently achieved 100% client satisfaction by delivering high-quality solutions, and building strong, collaborative relationships with team members and stakeholders.

MarbleFlows

March 2022 - February 2023

- Maintained and enhanced Marble products, including Marble Academies (Rails) and Marbleflows (Rails, GraphQL, ReactJS, MaterialUI), while collaborating with the product team to achieve a 100% customer satisfaction rate.

- Optimized app performance,reducing response time up to 7000 ms by resolving N+1 problems and integrating Turbo Streams, StimulusJS, and Sidekiq for background job processing.

- Developed secure API connections (CRUD) for Appsumo campaigns, driving 250+ new subscriptions and improving campaign efficiency.

Microverse code Reviewer and Mentor

September 2021 - December 2022

- Performed 100 plus code reviews on HTML, CSS, JavaScript, React-Redux, Ruby, and Ruby on Rails projects, offering detailed, supportive feedback that helped improve code quality and developer skills.

- Mentored junior web developers, providing technical support through code reviews and proposing improvements in code organization and performance, achieving a 100% satisfaction rate from both mentees and instructors.

- Increased student retention by 13% through delivering motivational advice and practical tips that fostered a supportive learning environment.

education

Microverse

Oct 2020 - Aug 2021

- Mastered algorithms, data structures, and full-stack development through 1200+ hours of hands-on projects.

- Gained expertise in remote pair programming, leveraging GitHub and GitFlow for collaboration, and sharpened communication skills through daily standup meetings.

University of Bamenda

Oct 2010 - July 2013

- Developed strong analytical and problem-solving skills through extensive coursework in calculus, algebra, and related fields.

- Gained the ability to break down complex concepts, an essential skill in both mathematics and programming.

- Enhanced communication and collaboration abilitiess, crucial for working effectively in development teams and explaining technical concepts.

General Skills

Ruby 0 %

Ruby on Rails 0 %

JavaScript 0 %

ReactJS 0 %

VueJS 0 %

GraphQL 0 %

SQL 0 %

HTML 0 %

CSS 0 %

GIT 0 %

Jira 0 %

My Projects_

Quiz Center

A responsive quiz platform where users can answer category-based questions, with answers displayed on a results page. Users are restricted to answering once within the allocated time, enhancing engagement and challenge. Built using Rails, React, Apollo Client, and GraphQL, the app features real-time data fetching and a user-friendly interface for a dynamic quiz experience.

Ruby on Rails
React
JavaScript
Apollo Client
GraphQL
Bootstrap
HTML
CSS
Sneakers Hub

A fully responsive e-commerce web application allowing users to browse, filter, and search for products, with seamless payment processing powered by Stripe. Optimized performance is achieved through Sidekiq for background jobs. Built with Rails, StimulusJS, and Stripe web UI, delivering a smooth and efficient shopping experience. Built with Rails, StimulusJS, and Stripe web UI.

Ruby on Rails
Redis
SideKiq
Hotwire
Stimulus JS
Bootstrap
A plus Garage

The application uses a Rails API to manage UI data while monitoring and updating car parts.

Ruby on Rails
JavaScript
React
Redux
HTML
Bootstrap
CSS
Culture Educate

A Rails app that allows users to create an account and view articles organized by category. Also, users can create, upvote, and downvote articles.

Ruby on Rails
HTML
Bootstrap
CSS
Text Grammar Linter

A linter, designed to scan a text file and output errors in its structure and typography.

Ruby
Get in touch_
PHONE
+(237) 678 163 225
EMAIL
wbertrand10@gmail.com

Or send me an email here_