Alexander Wallin
Freelance Web Developer at Alexander Wallin
Järvsö, Gävleborg County, Sweden
Summary
👤
Senior🎓
Top SchoolAlexander Wallin is a freelance web developer with 12 years of experience designing and building user-focused web and app experiences from his base in Järvsö, Sweden. He combines front-end craftsmanship with full-stack experience and a strong attention to quality—evidenced by test automation contributions to audio-focused open-source projects where he improved coverage and fixed subtle bugs. His background spans startups, academia, and product teams (including Imperial College London and music/tech companies), and he has hands-on experience with payment integrations, UI design and audio/web technologies. Trained in music production, he brings a creative, auditory-aware perspective to web development that often informs UI and multimedia work. Equally comfortable shipping pixel-perfect interfaces and writing reliable tests, he balances pragmatic freelancing with open-source curiosity.
12 years of coding experience
10 years of employment as a software developer
Bachelor of Arts - BA, Music Production, Bachelor of Arts - BA, Music Production at Royal College of Music in Stockholm
Stackoverflow
1,394reputation
230kreached
36answers
7questions
Github Skills (19)
javascript10
testing10
audio10
web-audio-api10
compressor9
phaser9
unit-testing8
jquery-selectors6
html6
uitableview6
iphone6
css6
jquery6
background-image6
objective-c6
Programming languages (12)
Github contributions (5)
Theodeus/tuna
Sep 2016 - Jan 2017
An audio effects library for the Web Audio API.
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:22 commits, 6 PRs, 25 comments in 4 months
Contributions summary:Alexander primarily focused on enhancing the project's test coverage by adding comprehensive tests for various audio effects nodes. They implemented tests for Compressor, MoogFilter, Phaser, PingPongDelay, Tremolo, WahWah, EnvelopeFollower, LFO, Gain, and Panner nodes, verifying default values, passed parameters, and activation behavior. The user also corrected a typo and property name errors within the test suite, improving the overall quality and reliability of the project's audio effects library.
apisound-synthesisjavascriptaudio-apiaudio
3DTune-In/3dti_AudioToolkit_JavaScript
Oct 2016 - Apr 2019
A partial JavaScript port of the 3D Tune-In Toolkit
Contributions:226 commits, 4 pushes, 2 tags in 2 years 6 months
3d-modelsarcgis-js-apipartialwebgljavascript
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