[Upnext] Senior/Mid Ruby on Rails Developer

Company: Upnext
Position: Senior/Mid Ruby on Rails Developer
City: Warsaw, Śródmieście.

Responsibilities
• design and build backend web product features in Ruby on Rails
• design and build the backend APIs for transactional data processing
• collaborate with an experienced team of engineers

Requirements
• 3+ years developing highly dynamic web applications in Ruby and Ruby on Rails
• solid software engineering skills
• experience building and supporting RoR applications in production
• “get it done” attitude and ability to balance “right” and “right now”
• knowing which programming language is best suited to the current task

Additional Nice-to-have Skills
• some experience with JRuby code
• experience working with MySQL and PostgreSQL databases in a production environment as well as leveraging Redis in building cache and queueing solutions
• experience working with testing frameworks, continuous integration and continuous deployment systems
• rich, interactive browser-based development (Ember.js, Angular.js)
• experience with Go lang

What’s in it for you
• a highly competitive salary (13 000-19 000 PLN net per month, depending on your skills and experience - more if you can prove you’re worth it)
• a great work environment with talented people and a startup spirit
• flexible hours & the possibility to work remotely when necessary
• social benefits (medical health care)
• unlimited access to quality coffee & fizzy drinks
• a MacBook and whatever equipment you consider necessary for work
• an office in downtown Warsaw with lots of commuting options (proximity to bus, tram, and subway hubs, and bike paths)
• parking space for your bicycle
• workflows based on Agile in Scrum (not Waterscrum or Agilefall)
• involvement with interdisciplinary and multinational projects
• an opportunity to work with the largest companies in the market
• on-site English classes with native speakers
• RubyMine or licenses for any other IDEs you prefer to work with
• regular Code Reviews
• PM and QA support

About us
Upnext is a market leader in software development for the Mobile Money, Internet of Things and Finance Technology industries.
Our services range from technology consulting and business analysis to user experience design, software engineering and solution integration.
We work with banks, payment service providers, mobile network operators and startups.
We are a 50+ strong team of experts which is constantly scaling.
We offer extensive expertise and a portfolio of top case studies in the fields of Fintech and IoT.
We have been on the forefront of payment technology for over 10 years, designing and engineering successful tailor-made end-to-end mobile money services.
We are experts in NFC, HCE, Tokenization, Mobile Wallets, Payment Gateways, mPOS, Wearables, iBeacon and many other technologies.
We are based in the heart of Poland - Warsaw - and we have an international company culture.