Javascript Engineer

Gears of Leo is the technology company behind the mobile gaming company LeoVegas.com. Gears was founded with the idea to create the development team that you always dreamed of working in, and to build the world's best technology for gaming and transaction services for mobile devices. It has to date been incredibly successful.LeoVegas is Europe's leading mobile gaming company, and has received international recognition as a pioneer and technology leader. LeoVegas Group, including Swedish Gears of Leo, is now over 260 employees and is in a highly expansive phase in our offices in Sweden, UK and Malta. We have won several prestigious industry awards since inception, including; "Mobile Casino of the Year" in 2014, the EGR Operator Awards 2014

Gears of Leo is now looking for a Javascript Engineer to be part of our exciting journey. We offer our next team player a dynamic environment with fast growing teams of driven and flexible individuals, who thrive on challenges and responsibility, and are empowered by an agile environment. As a person, you are resourceful, driven and flexible. You have an open and analytical approach and you are excited to take part in long term strategic perspective. We expect you to be a valuable member of a highly technical team and contribute your sharp mind and technical skills to help us revolutionize the industry. You will play a significant role in building solutions using cutting edge web development technologies. You'll be working closely on several projects, including:
- Migrating our services to run in VM containers and optimizing host resource allocation
- Automated load testing & reporting
- Building cross¬-region load balancing with a focus on overall -resilience
- Moving to a microservice -based infrastructure
- Migrating our user application from Backbone to React
- Migrating our mobile application from Cordova & Backbone to React Native
- Building a communication platform to handle reaching our users
- Rebuilding our administration portal
- DDoS handling and mitigation
- Upgrading and expanding our automated testing suite
- Unleashing the simian army
- A rule-based feature system responsible for handling A/B testing, feature rollout, and feature killswitch
- Auto¬-scaling system that manages and deploys services across physical and cloud hosts throughout the world These projects are targeted at further enabling the company to grow its market presence on a global level by increasing our infrastructure scalability and resilience ahead of the anticipated business needs while simplifying deployment flows and optimizing costs. Some of our tech
- Private GitHub repos for our codebases
- NGINX, HAProxy, RabbitMQ, Couchbase/CouchDB, Datadog, and MySQL
- Ansible for infrastructure automation
- Jenkins for builds & running tests
- JIRA & Confluence fuel our Agile environment Additional Information To be totally frank: We are going to ask you to challenge yourself and your skills on a daily basis We are going to interrupt you to take on emergency tasks We are going to always have deadlines looming BUT.. You will develop your skills immensely and become even better at what you do You will have incredible co-workers who are willing to work together to meet any goals You will be a part of revolutionizing the industry and we promise you'll have fun doing it

Qualifications:
- Professional English mastery, both oral and written
- Ability to work independently and as a team
- Strong Google-¬fu
- Interested in trying new technologies and creating proof of concepts
- Experience with microservice--based infrastructure is a plus
- Experience with React, Backbone, or similar SPAs is a plus - Experience with server rendering and caching of SPAs, ES6, and functional programming is a plus
- Experience with Redux, Flux, GraphQL, Falcor, Webpack, Babel and others is a plus -
- At least 3 years experience with vanilla JavaScript
- At least 3 years experience with backend languages/concepts (NodeJS counts) Responsibilities
- Building microservices, with a focus on scaling/performance (<200ms response times)
- Building internal UIs for the various infrastructure services
- Ensuring services are reporting relevant stats & metrics to Datadog
- Optimizing data queries to reduce all load/query times and rendering as early as possible
- Creating frameworks for other teams to build upon
- Ensuring code has unit tests and "good enough" coverage
- Maintaining procedures and system architecture in Confluence (Wiki)
- Thoroughly documenting framework capabilities and APIs in Confluence (Wiki)