Find Your Technical Gaps As A JavaScript Developer With A FREE 10-Minute Technical Assessment

Get an in-depth analysis of your technical skills, find out you gaps and stay relevant in the  job market.
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Trusted By Developers From Top Tech Companies  

Skill analysis

Personalised skill analysis.

JavaScript Fundamentals
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Frontend & Component Frameworks
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Databases & API Design
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System Design
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Software Architecure
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Feature ·
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All the power you need, without plugins.

Webflow gives you fine level control over SEO markup, indexing rules, redirects, and more — push any changes live without relying on engineers.
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Add and edit schema markup
Add schema markup so your content can be easily understood and represented in search engines.
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Meta titles and meta descriptions
Automatically define meta titles and descriptions using fields in your CMS Collections.
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Indexing and sitemap controls
Easily edit and update page titles and descriptions and publish changes in a click.
TECHNICAL ASSESSMENT

Based on real interview questions

We developed our assessment after analysing hundreds of real interviews and identifying common patterns.  
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Real Interview Questions
We have build our assessment with real interview questions for frontend, backend and full-stack jobs.
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Focus on Fundamentals
The bases of expertise is your knowledge of the fundamentals. That includes questions about JavaScript internals like the call stack or closures.
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Frontend Mastery
The assessment includes interview questions extracted from real senior frontend interviews including CSS, Accessibility and Web Performance.  
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Fullstack Thinking
The third section of the Assessment is Focused on the full stack. That includes questions about REST APIs, GraphQL and API Testing.
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Software Lifecycle
As a senior developer you are fully responsible for the deployment of your code. This is why we included a section about CI/CD and deployment.
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Software Architecture
The final part of the assessment will test you knowledge of Software Architecture with questions about Microservices and Scalability.
Alex Zahar
Fontend Engineer

Enrolling in your mentoring program is one of the best decision I have taken in my software career so far, I would always repeat this experience!

18 Aug, 2021
Jana Kunft
Senior Software Engineer

This program has been and still is absolutely invaluable for me, and I highly recommend it to everyone

Jul 27, 2022
Ilaria Corda
Backend Engineer

Within one month of enrolling into the program, I managed to land a fantastic job and place myself in a salary range I could not remotely hoped for before.

Jan 31, 2022
Fahed Arshad
Full-stack Engineer

Working with Dragos and Bogdan has been an amazing experience where I have been able to not only increase my salary by 40% but also have the technical skills of a true senior software engineer.

17 Aug, 2022
Keith Waters
Fontend Engineer

The most helpful part was all of the motivation and mindset work. Without that, I would not have been able to go from a Mid level to a Senior position at a new company.

Apr 29, 2022
Håvard Andersen
Fontend Engineer

Dragos and Bogdan were instrumental in landing me close to a six figure (USD) salary at a world-renowned consultancy.

Feb 4, 2022
Kirsten O'Farrell
Fontend Engineer

Joining theSeniorDev is truly the best decision I could have made for my career.

Feb 3, 2022
Arti M
Fullstack

If you're tired of hopping from one tutorial to another, tired of trying to keep up with the endless new frameworks and just want to get your fundamentals right and learn how to learn, then this is the place for you!

Aug 14, 2022
 Goksen Gorgulu
Fontend Engineer

A unique software mastery program with great mentors. I recommend this course to any mid-level software developer who wants to become an expert.

May 4, 2022
Martynas Kuznecovas
Front-end developer

Since joining his program I grew so much not just as developer, but as individual. I understood where I stand, where I need to be, and what I need to do.

Jul 6, 2022
Ergun Cuneyt
Fullstack

In the middle of the program, I was offered a new role with a 25% salary increase and after three months in the role, I had another 20% increase.

Jul 3, 2022
 Jaime Pinto
Fontend Engineer

They honestly give you the best of themselves and put all their effort to help you in whatever you need, in a technical and personal way. Every time I can, I still connect to those sessions because you can learn so much in there.

Jun 7, 2022

Dragos just took the Technical Assessment 5 minutes ago.