David Weldon

5.0

(12 reviews)

US$25.00

For every 15 mins

Sessions/Jobs

ABOUT ME

Senior full stack developer and startup founder

I have 22+ years of software development experience, a master's degree in computer engineering, and I've built two successful B2B software companies. I focus primarily on full stack web technologies.

If I can't help you out, I'll issue a full refund

I'm open to talking about anything I'm familiar with, like: planning for your startup, designing your database schema, making CSS do your bidding, or building your server.

Eastern Time (US & Canada) (-04:00)

Joined April 2020

EXPERTISE

Startups

16 years experience | 1 endorsement

I've been a co-founder and CTO of two successful startups. One in online advertising (Sold to IAC in 2008), and another in education (cur...

I've been a co-founder and CTO of two successful startups. One in online advertising (Sold to IAC in 2008), and another in education (currently operating). I have many years of experience in bringing software products to market, maintaining them, and supporting end-users.

JavaScript

12 years experience | 5 endorsements

I learned JS and node together in ~2010, and I use it every day for both front-end and back-end work.

Es6 Node.js

CSS

12 years experience | 2 endorsements

I use CSS on a daily basis and flexbox is my BFF. Right now I mainly use tailwind and some scoped styles when necessary. Consider me a g...

I use CSS on a daily basis and flexbox is my BFF. Right now I mainly use tailwind and some scoped styles when necessary. Consider me a good resource for code reviews, refactoring, and architecture.

Tailwind css CSS3 Stylus

Vue.js

6 years experience | 5 endorsements

Vue has been my go-to framework since ~2016. I'm active in the Stack Overflow community, so I have a lot of recent experience in problem ...

Vue has been my go-to framework since ~2016. I'm active in the Stack Overflow community, so I have a lot of recent experience in problem solving Vue issues. At work, our primary app is being developed in Nuxt + Vue with particular focus on accessibility and responsive design.

Nuxt.js Stylus JavaScript

Nuxt.js Stylus JavaScript CSS3 HTML/CSS

Database

20 years experience

I've been using databases throughout my career. I actively use pg, mongo, and sqlite in production.

SQLite MongoDB PostgreSQL

GraphQL

4 years experience | 2 endorsements

All of my back-end servers communicate via GraphQL, and I'm well versed in it's use both with relational and non-relational databases. I ...

All of my back-end servers communicate via GraphQL, and I'm well versed in it's use both with relational and non-relational databases. I maintain a 3:1 test to code ratio with 100% coverage. If you have a similar setup, I can be helpful with: improving your tests, using best practices, designing your schema, etc.

Jest Node.js

FFmpeg

10 years experience

I've built a multi-platform drag-and-drop video transcode + upload application, along with a large-scale video processing pipeline. Both ...

I've built a multi-platform drag-and-drop video transcode + upload application, along with a large-scale video processing pipeline. Both used ffmpeg to process just about any digital video or audio file and prepare it for playback on our site. I think in order to be a true ffmpeg master, you probably have to be a project contributor. I know enough to be dangerous. If you're looking to get started or need some general advice on the tool, I may be able to help.

REVIEWS FROM CLIENTS

5.0

(12 reviews)

George Sumpster

June 2022

David was super helpful and took time to understand my problem. He helped set me on a new path that I hadn't considered before, as well as setting me up for success with some great discussion of the trade offs of various approaches.

Reno Riandito

June 2022

Solve my multiple problem of backend, frontend, AWS, and domain within one session. Good problem solving techniques by tracing each step from the frontend, backend, AWS and domain.

Shyam Deolalikar

August 2020

Went over basics well.

Shyam Deolalikar

August 2020

Session went great. Got good instructions for next steps for career growth.

Harvey Roberts

August 2020

Clear, kind, and knowledgeable!

R S

April 2020

Great mentor who enjoys solving problems and following good coding practices.

Peter Hartree

April 2020

David and I had a very helpful conversation about Vue.js, JavaScript and JavaScript framework selection. I'm keen to talk again – thanks David!

Daniel

April 2020

Awesome session with David!! He is a true Javascript and Vue expert. He explained it in detail and analyzed the code providing great suggestions. Thank you@

Yoav Shalev

April 2020

Great mentor! Really cares that his advice is sound and works.

SOCIAL PRESENCE

Stack Overflow

61912 Reputation

142

141

Community Posts

Speed Up Your MongoDB Tests in Node

Learn how to speed up your node.js MongoDB test suites by dynamically creating in-memory database instances.

EMPLOYMENTS

Co-Founder and CTO

Edthena

2012-10-01-Present

Edthena is a video collaboration platform for coaching teachers. We serve educators in schools around the world. I lead all aspects of s...

Edthena is a video collaboration platform for coaching teachers. We serve educators in schools around the world. I lead all aspects of software development from architecture to deployment. On a daily basis, I work on front-end, back-end, operations, and customer support. Edthena is a highly sophisticated product with a combined footprint of several hundred thousand lines of code, including: intuitive video interaction components, multi-platform recording tools, detailed visual reporting, and a custom-built video transcoding pipeline.

HTML/CSS

Node.js

MongoDB

HTML/CSS

Node.js

MongoDB

Highcharts

FFmpeg

JavaScript

GraphQL

Vue.js

Co-Founder and CTO

Sendori

2006-08-01-2011-11-01

Sendori was a VC-backed online advertising platform for domain name traffic. Our principal aim was to eliminate parked-pages and dynamica...

Sendori was a VC-backed online advertising platform for domain name traffic. Our principal aim was to eliminate parked-pages and dynamically route type-in traffic to related advertisers. I recruited and lead a team of engineers, and was responsible for product development and deployment. At it's height, the platform served over 10 million requests per day. My key contributions included our core linguistic matching technology, and an all-erlang refactor of our back-end. We sold the business to IAC in 2008, and I stayed on as VP of technology for the larger organization for three years.

Ruby on Rails

MySQL

Erlang

Ruby on Rails

MySQL

Erlang

Senior Software Engineer

Intel

2000-07-01-2005-03-01

I was a researcher on IA64 and IA32 microprocessor optimizations, a validation engineer on the Pentium 4 Prescott processor, and a senior...

I was a researcher on IA64 and IA32 microprocessor optimizations, a validation engineer on the Pentium 4 Prescott processor, and a senior software engineer on Intel's compiler for embedded architectures. While at Intel, my most significant accomplishment was demonstrating a compiler optimization for cache prefetching in the first generation of hyperthreaded processors.

C++