Jacob Lindahl

Jacob Lindahl

Mentor
5.0
(100 reviews)
US$29.00
For every 15 mins
171
Sessions/Jobs
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ABOUT ME
Full-Stack Web Developer ⭐ JavaScript Instructor ⭐ YouTuber
Full-Stack Web Developer ⭐ JavaScript Instructor ⭐ YouTuber

I love working with medical technology or anything on the web. I also enjoy ballroom dancing and riding the unicycle. I look forward to working with you!

Japanese, English
Tokyo (+09:00)
Joined May 2019
EXPERTISE
10 years experience | 5 endorsements
I have recorded over 100 instructional videos on my YouTube channel, most of which deal with JavaScript: https://www.youtube.com/GeekLaunch
I have recorded over 100 instructional videos on my YouTube channel, most of which deal with JavaScript: https://www.youtube.com/GeekLaunch
7 years experience | 1 endorsement
I have used TypeScript to develop everything from video games to medical image viewers.
I have used TypeScript to develop everything from video games to medical image viewers.
10 years experience | 4 endorsements
I worked at a Fortune 100 company in 2020, using Java Spring Boot to develop an internal tool. I've worked as a teaching assistant for a...
I worked at a Fortune 100 company in 2020, using Java Spring Boot to develop an internal tool. I've worked as a teaching assistant for a Java class at a university. My responsibilities included writing and grading tests, labs, and assigned projects.
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5 years experience
I am a Solidity instructor and a NEAR Certified Developer. I have hosted a series of workshops at a university teaching the inner working...
I am a Solidity instructor and a NEAR Certified Developer. I have hosted a series of workshops at a university teaching the inner workings of blockchain-based cryptocurrencies. I also recorded them in video form and uploaded them to YouTube: https://www.youtube.com/watch?v=vJdT05zl6jk&list=PLwnSaD6BDfXL0RiKT_5nOIdxTxZWpPtAv&index=2
5 years experience | 3 endorsements
I used Rust to develop a working blockchain-based cryptocurrency, and a WebAssembly-based medical image processor for mobile devices. My ...
I used Rust to develop a working blockchain-based cryptocurrency, and a WebAssembly-based medical image processor for mobile devices. My current personal project involves Rust for memory optimization algorithms.
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7 years experience | 1 endorsement
I've developed a number of websites and webapps with PHP, including sites Markdown-based CMS, live chat, and forums.
I've developed a number of websites and webapps with PHP, including sites Markdown-based CMS, live chat, and forums.
11 years experience | 1 endorsement
CSS holds a special place in my heart. With the addition of SASS preprocessing and BEM methodology, it can be a real joy to work with.
CSS holds a special place in my heart. With the addition of SASS preprocessing and BEM methodology, it can be a real joy to work with.

REVIEWS FROM CLIENTS

5.0
(100 reviews)
Shahriar Arif
Shahriar Arif
May 2021
Very good mentor about coding. I will come back to Jacob again.
Giovanni Roberto Franzan
Giovanni Roberto Franzan
May 2021
As always, no BS approach, gets right down to the issue and solves it!
Callum Beeton
Callum Beeton
April 2021
Jacob was incredibly patient with helping a newbie programer and explained each step along the way in a manner that was very easy to understand. A true life saver!
victorhe222
victorhe222
April 2021
super helpful on my C language problem
Sarah Duplan
Sarah Duplan
April 2021
Amazing every time he helps me!!
Leanne Holmes
Leanne Holmes
April 2021
Jacob is an outstanding mentor. Very thorough knowledge of Java
Giovanni Roberto Franzan
Giovanni Roberto Franzan
April 2021
Super helpful and insightful!
Leanne Holmes
Leanne Holmes
April 2021
Excellent mentor, efficient and explained everything thoroughly. Quick to solve a Java problem I thought was impossible
Ariela
Ariela
March 2021
always super helpful and explains the material super well !
Art Karapetov
Art Karapetov
March 2021
Great work! Will use again.
SOCIAL PRESENCE
GitHub
SimpleStarRating
Pure JavaScript library for implementing star ratings
JavaScript
19
9
nvim
VimL
18
29
Stack Overflow
4390 Reputation
1
26
38
EMPLOYMENTS
Technical Interviewer
Arc.dev
2022-03-01-Present
  • Primary technical interviewer for blockchain-related positions on remote career platform.
  • Helped to design interviewing p...
  • Primary technical interviewer for blockchain-related positions on remote career platform.
  • Helped to design interviewing playbook for blockchain tech, esp. w.r.t. smart contract security.
Blockchain
Solidity
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Blockchain
Solidity
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Senior Software Engineer
NEAR Foundation
2021-06-01-Present
  • Technical lead for native USDC project in cooperation with Circle Internet Financial, LLC.
  • Created the network’s first ac...
  • Technical lead for native USDC project in cooperation with Circle Internet Financial, LLC.
  • Created the network’s first account explorer stats.gallery.
  • Primary author of WASM smart contract library near-sdk-contract-tools. (Audited)
  • Technical speaker & workshop host at conferences incl. Coindesk Consensus, EthDenver, NEARCON.
HTML/CSS
SQL
Node.js
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HTML/CSS
SQL
Node.js
Git
GitHub
Redis
TypeScript
Jira
React
Confluence
JavaScript
Rust
Ethereum
Cryptocurrency
Solidity
Tailwind css
Vue.js
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Core Contributor
Blockchain Acceleration Foundation
2021-02-01-Present
  • Created a 6-week smart contract programming course with support from the Ethereum Foundation.
  • Produced a 12-part smart co...
  • Created a 6-week smart contract programming course with support from the Ethereum Foundation.
  • Produced a 12-part smart contract development video series for the Algorand Foundation.
Blockchain
Video Editing
Solidity
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Blockchain
Video Editing
Solidity
Education
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PROJECTS
Blockchain In RustView Project
2019
Video series explaining how to create a blockchain-based cryptocurrency in Rust. Covers proof of work, hashing, mining, and more. As it a...
Video series explaining how to create a blockchain-based cryptocurrency in Rust. Covers proof of work, hashing, mining, and more. As it appears in TechRepublic and This Week in Rust.
Rust
Blockchain
Cryptocurrency
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Rust
Blockchain
Cryptocurrency
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