What Devs Are Saying
120K ⇒ 180K
(& big tech )
"Every single topic is focused on the fundamentals.
There's a lot of depth."
There's a lot of depth."
Matt Collozo - Full-stack Engineer
New York, USA 🇺🇸
New York, USA 🇺🇸
+40% Salary, Senior Position
“I was able to focus on the things that were important.”
Kirsten L. Burton - Senior Engineer
New York, USA 🇺🇸
New York, USA 🇺🇸
+30% Salary, Senior Full-stack
“There’s nothing like a real teacher giving you active feedback.”
Jack Henderson - Senior Frontend Engineer
Edinburgh, UK 🇬🇧
Edinburgh, UK 🇬🇧
Mastered live Coding, New Position
“It’s definitely worth the investment..”
Matthieu Stadellmann - Frontend Engineer
Berlin, Germany 🇩🇪
Berlin, Germany 🇩🇪
Trusted by JavaScript Engineers Worldwide
We Get You To Senior In Months, Not Years
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Senior Devs Are Not Worried About AI
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💰Senior Devs Earn DOUBLE VS Junior/Mids
Senior Developers earn $30K–$60K/year more than a Junior Dev. Source: PayScale.
More Results From Our Students
Tommy Han
Senior Sofware Engineer
New York, United States
I was feeling stuck in my career as a software developer and was desperately searching for a comprehensive program that would help me upskill effectively. That's when I discovered the Software Mastery program by theSeniorDev!
Their approach is unique and highly effective. Since joining the program, my skills and confidence as a developer have improved significantly, and I even got a 30% increase in my salary!
Their approach is unique and highly effective. Since joining the program, my skills and confidence as a developer have improved significantly, and I even got a 30% increase in my salary!
Oct 22, 2022
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Max Forbang
Senior Software Engineer
Florida, Unite States
I was able to negotiate a freelance web design deal for $5k and increase my salary by $45k. It's because it's the most ROI investment you can make.
Kirsten Lee Burton
Senior Software Engineer
New York, United States
I was able to weed out all the noise, and focus on the things that were important.
Daniel Roberts
Software Engineer
Maidstone, United Kingdom
This course / resource has given me the confidence to call myself a senior developer. Really supportive team with quick answers to your questions and the content is great, you can apply it to all languages and technologies. If you are looking to become a senior then this is the course for you. i got a 50% increase in pay within 6 months.
Chris Joiner
Senior Frontend Engineer
York, United Kingdom
I wanted to fill my gaps to the Senior level and have already done side projects and online courses. I was looking for something more efficient, that's when I found you.
Joao Rocha
Senior Frontend Engineer
Porto, Portugal
Neeraj Sujan
Senior Frontend Engineer
The Hague, Netherlands
When I joined the course, I was stuck in my career, and I had a lot of blind spots. This course and community have helped me tremendously to level up my engineering skills and command respect at my new company.
July 04, 2025
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Laura White
Senior Developer
Wisconsin, Unite States
It was a shortcut. You got me straightened out.
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Nabil Eldirsi
Lead Frontend Engineer
London, United Kingdom
About 4 and a bit weeks later I'm in a new role with a 33% increase in salary, more confident I passed more tech tests than I have ever before during the interview process. Now I'm leading a project in my new role, and I honestly wouldn't have gotten here if it wasn’t for Dragos and Bogdan at seniordev.com. Thanks guys looking forward to continuing my journey as a senior dev with both of you and the rest of the community.
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Jana Kunft
Principal Engineer
London, United Kingdom
This program has been and still is absolutely invaluable for me, and I highly recommend it to everyone. Dragos and Bogdan are amazing mentors.
Jenise Howden
Senior Frontend Engineer
Maryland, Unite States
This program has helped my become more confident to speak up in meetings and voice my opinions. I also have the technical knowledge to ease my imposter syndrome produce better quality code. I love the community and to be able to ask questions on bounce ideas off of developers from all over the world.
April 08, 2025
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Diana Gouveia
Senior Frontend Engineer
Lisbon, Portugal
Neeraj Sujan
Senior Frontend Engineer
The Hague, Netherlands
When I joined the course, I was stuck in my career, and I had a lot of blind spots. This course and community have helped me tremendously to level up my engineering skills and command respect at my new company.
July 04, 2025
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Jarek Gouveia
Senior Frontend Engineer
Briston, United Kingdom
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Ricardo Kreyhsig
Senior Software Engineer
Washington, United States
I had hit a plateau and knew that I needed to make a significant change to level up. Bogdan and Dragos helped me identify and fill my knowledge gaps, and the technical exercises and lectures were top-notch.
I have to say that joining the Software Mastery program has been one of the best decisions I've made in my career! Within just a few weeks of starting the program, I got a big pay raise and even more opportunities started coming my way.
Izaak Chater
Senior Software Engineer
Melbourne, Australia
When I first signed up, I was struggling with self-doubt and anxiety, but within weeks of starting the program, I secured multiple interviews and eventually landed a job. Six months into my new role, I negotiated a 50% salary increase.
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Jessica Constanzo
Senior Frontend Engineer
Berlin, Germany
I'm super happy with the results and only wish I had joined earlier!
Bogdan and Dragos really helped figure out what skills I was missing, and then fill those knowledge gaps.
Along with strengthening your technical skills, you also learn a lot about the industry and current job market which is super helpful when negotiating and knowing where you stand.
Bogdan and Dragos really helped figure out what skills I was missing, and then fill those knowledge gaps.
Along with strengthening your technical skills, you also learn a lot about the industry and current job market which is super helpful when negotiating and knowing where you stand.
Oct 22, 2022
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Our Guarantee
✅ 14-Day Senior Trial ™
Try the Mentorship risk free for 14 days. If it’s not what you expected, get a full refund. No questions asked, no forms to fill.
🛡️ 6-Months Get-To-Senior Guarantee ™
If you put in the work and don’t get Senior-level results in 6 months, you get your money back — or we work with you for free until you do.
Master Senior Mental Models
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How It Actually Works
What You Get:
✅ Custom Senior Dev Roadmap
✅ 1:1 Mentorship from Dragos & Bogdan
✅ Live Coaching & Feedback
✅
Access to Private Dev Community
✅
Code Reviews & Architecture
✅
Cheat Sheets, Materials & Updates
✅
Technical Interview Training
✅
Job Positioning + LinkedIn/Resume
✅
Get to Senior in Months — Not Years
Dragos & Bogdan Will Be With YOU At All Time
Dragos Nedelcu
- Self-taught JavaScript Developer, Aerospace Eng. background
- Burned out in Berlin after years of being "the React developer”
- Luckily, an Ex-CTO showed him the way out
- Co-founded theSeniorDev to also help other devs level up
- Speaks English, Spanish, Romanian, and a bit of German
- Burned out in Berlin after years of being "the React developer”
- Luckily, an Ex-CTO showed him the way out
- Co-founded theSeniorDev to also help other devs level up
- Speaks English, Spanish, Romanian, and a bit of German
Bogdan Nedelcu
- JavaScript Dev turned Principal Engineer
- Started coding to help Dragos with a website
- Coaches students on Senior Mindset and End-to-End Delivery
- Writes code daily — React, TypeScript, Node.js, AWS
- Co-founded theSeniorDev pushing for real Technical Mastery
- Started coding to help Dragos with a website
- Coaches students on Senior Mindset and End-to-End Delivery
- Writes code daily — React, TypeScript, Node.js, AWS
- Co-founded theSeniorDev pushing for real Technical Mastery
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Modern TechStack
Master the modern stack.
Get hands-on technical training and learn how to build things in the real world using modern tooling and Senior level best practices.
How Much It Costs?
Less than being stuck at Junior/Mid-Level 😵
💸 Staying at the same level is already costing you $3,000 – $5,000 per month.
⏳ Every month you delay = other devs getting to Senior.
❌ More courses won’t help — they won't give you clarity, feedback, and accountability.
⏳ Every month you delay = other devs getting to Senior.
❌ More courses won’t help — they won't give you clarity, feedback, and accountability.
*Packages & pricing available on consultation based on your situation and goals.
Last year, 98% of our students made their investment back in the first 6 months after joining.
Last year, 98% of our students made their investment back in the first 6 months after joining.
Join An Exclusive Community Of Senior Devs
Dragos & Bogdan
Senior Engineers & Founders at theSeniorDev.com
Dragos & Dan Abramov
Meeting our heroes at WeAreDevelopers Conf.
Bogdan Nedelcu
Our Co-Founder giving a talk at GraphQL Berlin.
London Get-Together
Throw back to one of our in-person events with our students in London, UK.
Meeting Our Mentees
Meeting Andy, one of our mentees in London
Berlin Get-Together
Our first in-person get-together after COVID 19 lockdown in Berlin, Germany.
Celebrating Success
Meeting Parinaz one of our mentees, now a Senior Developer.
Disclaimer: This website and program are operated by theSeniorDev.com. All content is provided for educational and informational purposes only. While many of our students have successfully advanced to Senior-level roles, individual results will vary based on factors such as prior experience, commitment, market conditions, and personal effort.
We do not make any guarantees regarding employment, promotions, or specific income levels. The “Go Senior or Don’t Pay” guarantee is subject to the terms outlined in our refund and satisfaction policy. Please review our Terms & Conditions and Guarantee Terms for full details.
This site is not affiliated with or endorsed by Meta, Facebook, Instagram, Google, YouTube, or any third-party platform mentioned or used for advertising.
We do not make any guarantees regarding employment, promotions, or specific income levels. The “Go Senior or Don’t Pay” guarantee is subject to the terms outlined in our refund and satisfaction policy. Please review our Terms & Conditions and Guarantee Terms for full details.
This site is not affiliated with or endorsed by Meta, Facebook, Instagram, Google, YouTube, or any third-party platform mentioned or used for advertising.