Jakob Mattsson
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Jakob Mattsson Email & Phone Number

Software Developer, CTO & Angel Investor at J Dev
Location: Greater Gothenburg Metropolitan Area, Sweden, Sweden 7 work roles 3 schools
2 work emails found @fishbrain.com 3 phones found area 673 and 207 LinkedIn matched
✓ Verified Jun 2026 4 data sources Profile completeness 100%

Contact Signals · 2 work emails · 3 phones

Work email j****@fishbrain.com
Direct phone (673) ***-****
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
Role
Software Developer, CTO & Angel Investor
Location
Greater Gothenburg Metropolitan Area, Sweden, Sweden
Company size

Who is Jakob Mattsson? Overview

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Quick answer

Jakob Mattsson is listed as Software Developer, CTO & Angel Investor at J Dev, a company with 1 employees, based in Greater Gothenburg Metropolitan Area, Sweden, Sweden. AeroLeads shows a work email signal at fishbrain.com, phone signal with area code 673, 207, and a matched LinkedIn profile for Jakob Mattsson.

Jakob Mattsson previously worked as Software Consultant at J Dev and Software Development Lead at Rokos Capital Management. Jakob Mattsson holds Msc, Software Development from Chalmers University Of Technology.

Company email context

Email format at J Dev

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{first}@fishbrain.com
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AeroLeads found 2 current-domain work email signals for Jakob Mattsson. Compare company email patterns before reaching out.

Profile bio

About Jakob Mattsson

Jakob Mattsson is a Software Developer, CTO & Angel Investor at J Dev. He possess expertise in javascript, entrepreneurship, web development, software development, start ups and 18 more skills. He is proficient in English. Colleagues describe him as "Jakob is a master of his trade. He's skilled in every part of the web development chain, from writing code and architecting software to setting up processes that make it easy to get quality work done. He's not only great himself, he makes everyone around him better." and "Jakob is one of the best (and fastest) programmer I've ever worked with. He's not the oh-so-common "head-down" type of programmer, he actually enjoys working with the problem at hand and making it better through collaboration and iteration. On top of that he can manage a team with no problem. Creative, ambitious and someone I wouldn't hesitate to work with again. I really hope we do."

Listed skills include Javascript, Entrepreneurship, Web Development, Software Development, and 19 others.

Current workplace

Jakob Mattsson's current company

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J Dev
J Dev
Software Developer, CTO & Angel Investor
Website
Employees
1
AeroLeads page
7 roles

Jakob Mattsson work experience

A career timeline built from the work history available for this profile.

Software Consultant

Current

I help businesses deal with code, be it writing it or helping others to write it. I assist in recruiting coders, training coders and architecting software. I also do technical due diligences and speak at conferences.

Apr 2022 - Present

Software Development Lead

London, United Kingdom

I worked for Chris Rokos's hedge fund since before launch. Over the years I've developed and lead teams building tech for a variety of different functions:- Market Data: collecting and serving data to all business functions- Treasury: tooling for managing cash and liquidity- Core portfolio tech: web apps and spreadsheet functionality for traders and.

Aug 2015 - Mar 2022

Cto

Stockholm, Sweden

I led the development of an app for sport fishing. I hired and managed a team of 8 developers, set the direction for our technology and managed day-to-day development.The platform supported aggressive growth and by the time I left, over 1 million anglers worldwide used the app and we raised $8 million to further accelerate growth. Today 15 million people.

Nov 2013 - Aug 2015

Co-Founder & Cto

Gothenburg, Sweden

Touch&Tell helps hotels, stores and other brick-and-mortar businesses find out what their customers think. I developed the tech used to manage the collection devices as well as the centralized system for accessing and presenting data.Acquired by SAYP Group.

Sep 2012 - Nov 2013

Vp Of Engineering

Gothenburg, Sweden

I joined as employee #4 and developed an ad-tracking tool for collecting high-quality data about advertisements and their environments using JavaScript. The script got massive usage and sent ~500 million HTTP-request per day to our servers.As the company grew, I assumed the role as head of engineering, where I recruited and lead a team of developers in.

Jan 2010 - Sep 2012

Co-Founder & Cto

Gothenburg, Sweden

As one of the two co-founders, I built a web based solution simplifying the process of applying for a job online.

Jun 2008 - Jan 2010

Software Consultant & Eventually Ceo

Gothenburg, Sweden

Joined the company as a software consultant, working primarily with.NET and JavaScript, for 4 different clients in total. Later I took on the role as head of the software business area and eventually lead the entire company as CEO. During that time I focused on sales and recruiting activities, as well as building a strong team of managers. After my time as.

Mar 2006 - Jun 2008
3 education records

Jakob Mattsson education

FAQ

Frequently asked questions about Jakob Mattsson

Quick answers generated from the profile data available on this page.

What company does Jakob Mattsson work for?

Jakob Mattsson works for J Dev.

What is Jakob Mattsson's role at J Dev?

Jakob Mattsson is listed as Software Developer, CTO & Angel Investor at J Dev.

What is Jakob Mattsson's email address?

AeroLeads has found 2 work email signals at @fishbrain.com for Jakob Mattsson at J Dev.

What is Jakob Mattsson's phone number?

AeroLeads has found 3 phone signal(s) with area code 673, 207 for Jakob Mattsson at J Dev.

Where is Jakob Mattsson based?

Jakob Mattsson is based in Greater Gothenburg Metropolitan Area, Sweden, Sweden while working with J Dev.

What companies has Jakob Mattsson worked for?

Jakob Mattsson has worked for J Dev, Rokos Capital Management, Fishbrain, Touch&Tell, and Burt.

How can I contact Jakob Mattsson?

You can use AeroLeads to view verified contact signals for Jakob Mattsson at J Dev, including work email, phone, and LinkedIn data when available.

What schools did Jakob Mattsson attend?

Jakob Mattsson holds Msc, Software Development from Chalmers University Of Technology.

What skills is Jakob Mattsson known for?

Jakob Mattsson is listed with skills including Javascript, Entrepreneurship, Web Development, Software Development, Start Ups, .Net, Java, and Node.Js.

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