Antti Rantanen, Developer in Tampere, Finland
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Antti Rantanen

Verified Expert  in Engineering

Software Developer

Tampere, Finland
Toptal Member Since
August 14, 2015

Antti has a “get things done” attitude in everything he does. With 15 years of experience in the SW industry, he has covered various roles as developer, product manager and group leader. His passion is creating outstanding iOS and Android apps.


JavaScript, HTML, Dropbox API, iCloud, Core Animation, Java, Objective-C...
Accanto Systems (Italy)
Agile, Jira, Scrum
Anritsu Solutions
UMTS, Oracle BI, Reporting, Data Warehouse Design, Data Warehousing




Preferred Environment

MacOS, Android, iOS

The most amazing... I've built is Mindly (Mind Mapping). You can read more in The Washington Post, TheNextWeb, or Lifehacker. Hopefully, you have it already installed!

Work Experience

Software Developer

2013 - PRESENT
  • Created Mindly, an app for Android and iOS.
  • Designed prototypes.
  • Consulted to improve client SW development processes.
  • Created two company websites for app promotion.
Technologies: JavaScript, HTML, Dropbox API, iCloud, Core Animation, Java, Objective-C, Android, iOS

Group Leader

2011 - 2012
Accanto Systems (Italy)
  • Led a distributed team of developers.
  • Established Agile SW development practices within the team.
  • Ensured timely delivery of commitments for development projects.
Technologies: Agile, Jira, Scrum

Product Manager

2008 - 2011
Anritsu Solutions
  • Created a new eoPath (CEM) product suite within the telecommunications industry.
  • Acted as product owner in the product development process.
  • Negotiated contracts with partners (for product development/OEM).
  • Presented product at trade shows.
  • Conducted sales support activities.
Technologies: UMTS, Oracle BI, Reporting, Data Warehouse Design, Data Warehousing

Software Designer

2006 - 2007
Anritsu Solutions
  • Contributed to design and development of an in-house data warehouse framework.
  • Conducted requirements analysis and design for a new alarm module.
  • Led the development of implementation projects.
Technologies: PL/SQL, Oracle, Data Warehouse Design, Data Warehousing, CORBA, Java

Software Designer

2004 - 2005
Exdec Oy
  • Contributed to various software development projects for financial applications. The financial applications included FIX market gateway, SWIFT client, reporting tool, fund management software, and some minor projects.
  • Implemented an extranet that offers customers the possibility to download software updates, track software versions, and send feedback.
Technologies: FIX Protocol, Python, Java, C#

Software Designer

2002 - 2004
Advanced Technology Solutions S.p.A
  • Realized various financial applications (MTA/MCW, IDEM, MEFF, XETRA and EUREX financial markets).
  • Performed acceptance tests for the Milan Stock Exchange.
Technologies: C++, C

Software Designer

2001 - 2001
Balance Consulting Oy
  • Designed Analysaattori, multi-client financial company analysis software. This project was about technology transformation. The existing software was written in Prolog (over 1 million lines) and our task was to make something more manageable with modern (at that time Java) codebase.
Technologies: Prolog, SQL, XML, RMI, Java

Mindly (Mind Mapping)
Mindly helps to organize your inner universe. Give a structure to your thoughts, capture ideas, plan a speech, or take notes.

Mindly uses custom animations and highly fine-tuned user-interactions to provide best-in-class experience for mind mapping on mobile phones.

I made the initial concept design, user interaction design, and implemented the app on Android and iOS.

eoLive (Real-time Analytics)

eoLive Real-time Analytics is part of eoPath suite. The product helps telecom companies to get real time insight into the customer experience.

In this project, I acted as product owner for the development and supported sales activities (trade show presentations, customer meetings, trials, etc.).
1996 - 2001

Master of Science in Engineering Degree in Information Technology

Tampere University of Technology - Finland


Core Graphics, Core Animation, Dropbox API, Backbone.js, jQuery, RxSwift, React, Reactive Extensions, Node.js, D3.js, RxJava


Xcode, Android Studio, Apache Ant, ANTLR, Jira, Git


iOS SDK, UIKit, Android SDK, Express.js, Redux, AppKit, PEG.js, CherryPy


Objective-C, SQL, Java, C, Swift 2, Python, CSS, C++, HTML, JavaScript, XML, Prolog, PHP, C#




Agile Software Development, Scrum, Agile


WordPress, iCloud, iOS, Android, MacOS, Oracle, Firebase


Data Warehouse Design, Data Warehousing, Prototyping, FIX Protocol, Reporting, Oracle BI, UMTS, CORBA, RMI

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