Summary
Overview
Work History
Education
Skills
Timeline
Generic

Yohanes Demissie

Seattle,WA

Summary

Experienced with full stack development and proficient in creating dynamic web applications. Utilizes deep understanding of both front-end and back-end technologies to deliver efficient and scalable solutions. Track record of employing collaborative approaches and innovative problem-solving in team environments.

Overview

7
7
years of professional experience

Work History

Full Stack Software Developer

Freelock Computing
12.2021 - Current
  • Delivered web application enhancements based on user stories, improving client satisfaction and helping the team exceed quarterly performance targets.
  • Conducted cross-platform interface testing (iOS, Android, Firefox, Chrome), ensuring consistent performance and accessibility.
  • Led the company scoreboard for fastest ticket resolution times, reducing average turnaround by 30%+.
  • Implemented RESTful APIs that streamlined data exchange between front-end and back-end systems, supporting scalable user growth.
  • Strengthened security by identifying and fixing source code vulnerabilities with tools such as (e.g., SonarQube, OWASP, etc. — add specifics if possible).

Associate Software Developer

BimmerGeeks
08.2020 - 12.2021
  • Revamped legacy UI using [insert stack, e.g., React, CSS3, JavaScript], delivering a cleaner interface and improved navigation for customers.
  • Performed cross-platform and cross-browser testing (iOS, Android, Chrome, Safari, Firefox) to ensure consistent functionality and accessibility.
  • Optimized site performance, reducing page load time and improving runtime/memory efficiency by 20%, which enhanced customer retention and engagement.

Instructor Programming Assistant

Code Fellows
05.2018 - 08.2020
  • Mentored 150+ college students in web development, guiding them through the design and deployment of interactive applications.
  • Led students in building full-stack projects using JavaScript, HTML, CSS, Node.js, and GitHub, reinforcing real-world development practices.
  • Debugged and reviewed dozens of applications daily, quickly diagnosing root causes and coaching students on best practices for resolving issues.

Lead Software Developer

LendMeInc
07.2018 - 01.2019
  • Served as Lead Developer to transform wireframes into a fully functional web and mobile application ready for investor presentations.
  • Implemented UI/UX wireframes into reusable, client-facing components using [insert core tech stack], ensuring scalability and maintainability.
  • Delivered a 2-year roadmap in just 6 months, accelerating product readiness and boosting team productivity by 300%, which strengthened investor confidence.
  • Led weekly stand-ups with the project manager and conducted regular investor demos, aligning stakeholders and driving timely decision-making.

Education

Full-Stack Certification - JavaScript

Code Fellows
03.2018

Bachelor's Degree - Positive Psychology

Evergreen State College
06.2017

Skills

  • HTML expertise
  • CSS
  • Proficient in JavaScript
  • Experienced with React JS development
  • Third-party API integration
  • Proficient in repository management
  • Nodejs development
  • Database management with MongoDB
  • Microsoft Office
  • Proficient in Google Firebase

Timeline

Full Stack Software Developer

Freelock Computing
12.2021 - Current

Associate Software Developer

BimmerGeeks
08.2020 - 12.2021

Lead Software Developer

LendMeInc
07.2018 - 01.2019

Instructor Programming Assistant

Code Fellows
05.2018 - 08.2020

Bachelor's Degree - Positive Psychology

Evergreen State College

Full-Stack Certification - JavaScript

Code Fellows

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