mwallba.io

I build software products -
sometimes I blog.

For my entire professional life I've been involved in engineering web applications for companies and startups. Currently I am living in Hamburg and work as a freelance web developer and consultant. If you need support in getting your prototype out, want to release new features in your existing system or are in desperate need to get your legacy app on track: let's talk

Things I like to work with

Tools and methodologies I like to use when building and designing products

  • Ruby, Javascript & Ruby on Rails
  • Object-oriented design
  • Cloud infrastructures
  • Coffee
  • Continuous integration & -deployment
  • Customer development & Lean startup

A Few things I have done in the past

Products & Companies I have built or been part of in the past

rewardme logo

RewardMe

Mobile application to allow customers to refer products and services on social media at the POS

  • Development-lead in the creation of a new B2B-platform to manage referral campaigns
  • Integration of legacy mobile apps into the new backend system
  • Python, Flask, Javascript, PostgreSQL, Amazon Web Services
pay with a tweet logo firal logo

Pay with a Tweet / firal.io

Referral marketing platform to gain more customers through the viral power of social media

  • Acted as CTO in transforming the B2C-platform towards B2B
  • Participated in the rebranding and relaunch of the company
  • Ruby on Rails, Javascript, MySQL, Redis, Sidekiq, Amazon Web Services

Contact Me

Get in touch to talk projects, technologies or other ideas - or just to catch a coffee