Senior JavaScript/Ruby Developer

Replay Gaming · Dec 6th 2017

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Headquarters: London, UK URL:

Replay Gaming is a fast growing UK social gaming company that operates Replay Poker (, an established play-money poker site offering competitive ring games, tournaments and promotions. Our goal is to become the home of recreational poker online within 5 years. 

**Our core values

We’re big on our company culture, and hire based on alignment to our core values. So it’s important to us you share similar values: sorry no egos allowed!

  • We are kind, humble and respectful.
  • We voice opinions and share our experiences.
  • We value time, proactivity and productivity.
  • We aim for excellence.
  • We put our community first.

**The role

We are a small team of highly technical and experienced developers geographically distributed working via GitHub and Slack.

You will be part of the core development team working on our main Rails back-end and our React front-end, creating new features, fixing bugs and improving an extensive codebase. We want you to help build and scale our entire stack to handle our ever-growing number of players.

One of the biggest projects we have is the development of a new poker server possibly using Elixir and you will be part of the team that will design and build it.

This is not a “code-monkey” opening. You should be comfortable architecting solutions from top to bottom using the best tools for the job. Although Ruby is our main language, we know of it’s trade-offs and expect people that are open-minded and not afraid of learning new ones.

We have a new React front-end being built and we expect you to have real world experience with React to help out on the completion of the project as well as maintaining it afterwards.

**About us

We are a growing team, so you’ll have a huge impact on the decisions and the work being done. We all work remotely, 100% of the time. Work from wherever you are most productive. We're currently spread out across North America, Europe, South America and Asia.

**Our stack

  • Website: Rails 4, a single page application with Backbone.js and a new React front-end in progress
  • Poker server: Ruby multi-threaded TCP server
  • Desktop client: Flash - ActionScript 2.0 (in maintenance mode) and a new HTML5/JS client in progress
  • Other technologies used: MySQL, Sidekiq, Redis/Sentinel, node.js, Go, Kubernetes and many more

**You should

** **

  • Have expert knowledge of Ruby/Rails and it’s surrounding environment
  • Have 3+ years of Ruby development experience
  • Have expert knowledge of Javascript and it’s ecosystem
  • Have experience using React in production on at least one large project
  • Have a good knowledge of HTML5 and CSS3
  • Have a good knowledge of threads and parallel programming
  • Have experience writing automated tests, be it BDD, TDD, etc
  • Have a good understanding of databases and concepts like transactions, locks, ACID, CAP and eventual consistency
  • Have a good understanding of REST and REST-ful APIs
  • Be comfortable working with git, code review and pull requests
  • Have extensive experience with Linux
  • Be eager to learn and able to express your thoughts, arguments, and ideas clearly and effectively
  • Have excellent english language skills (fluent speaking)

**Ideally you should

  • Have experience with GraphQL
  • Have contributed to open source projects
  • Have experience with Docker and Kubernetes
  • Have professional experience working remotely
  •  Enjoy playing poker!

**What we offer

  • Plenty of autonomy for you to work the way you think you're most productive
  • A flexible process with the focus on efficiency of working with minimal bureaucracy
  • A mixture of a fun and challenging project working on a real-time game
  • Flexible paid holiday
  • Competitive salary (negotiable and depending on experience/skills)

To apply: Strictly no agencies. Individuals please apply here:

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