Senior Ruby on Rails Developer

On behalf of Ciklum Digital, we are looking for a Senior Ruby on Rails Developer to join our team on a full-time basis.

About Project:
The Client is the new high-performance running shoe producer with the unique 3D cushioning technology CloudTec – run on clouds. Former top athlete Olivier Bernhard and his friends David Allemann and Caspar Coppetti through countless experiments have created the shoes that first amazed and has since delighted the running world. Ons are not just a new running experience: they are far more than that. And the company’s three co-founders have become ambassadors of a new running sensation whose success has far outpaced their expectations. The project you will be working on is the e-commerce platform for a new subscription service for the Cyclon – a new, fully recyclable performance shoe.

• Back-end development to meet customer’s business needs and implement components according to modern software development environment (cloud-based platforms, microservice architecture, etc.)
• Taking part in the decision-making process of application architecture design, solution development, architecture and code review
• Develop and review feature design documents and provide inputs/updates to the solution specification
• Design and implement a set of various types of tests (unit, integration, functional, etc)
• Proactive position in solution development, process improvements
• Working in an international distributed team in an Agile environment
• Communicate with PMs, engineers, Architects, QA and other colleagues and stakeholders
• Delivering the product roadmap and plannings
• Following coding standards, software best practices and writing highly testable, automatable and performant code over the whole SDLC

• Excellent knowledge in Computer Science, Computing Theory:
  • Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
  • Database theory (RDBMS, NoSQL)
  • Code testing practices
  • Algorithms & Data structures
  • Architectural, Enterprise and Design Patterns
  • Microservices architecture, SOA
  • Autoscaling, monitoring, alerting approaches
  • Security patterns, Common attacks types (OWASP)
• Understanding of network interactions:
  • protocols
  • conventions (e.g. REST, RPC)
  • authentication and authorization flows (e.g. oAuth, JWT)
• Excellent knowledge and experience in Ruby on Rails (more than 5 years)
• Practical commercial experience with:
  • Microservices
  • REST API development
  • Web application frameworks, Testing frameworks, ORM
  • RDBMS (e.g MySQL, PostgreSQL, MS SQL)
  • Key-value storages (e.g. Redis, Memcached)
  • Messaging systems (e.g. RabbitMQ, Apache Kafka, Active MQ, Google Pub/Sub)
  • Version control systems (GIT)
  • Cloud computing platforms (Google Cloud Platform)
  • Integration with 3rd party solutions
  • Docker
  • Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins, TeamCity, Bamboo)
  • Builders
• Experience with:
  • Troubleshooting, profiling and debugging applications
  • Creation software architecture and design of complex applications, platforms
  • Agile software processes and technologies
  • Code Review process
  • Refactoring process
• Fluent or Upper-Intermediate English

You can:

• Perform a broad range of complex technical or professional activities, in a variety of contexts. Investigate, define, and resolve complex issues
• Able to work in distributed cross-functional teams effectively
• Influence customers and team members on the project level
• May supervise others or make decisions which impact the work assigned to individuals or phases of projects
• Plan, schedule, and monitor your own work (and of others where applicable) competently
• Have learning agility (readiness for challenge and being open to change)

• Experience in software development for more than 8 years
• 1+ Years experience working with React/Angular/Vue- an advantage
• Certifications on:
  • Cloud computing platforms (AWS)
• Understanding of orchestration and containerisation (e.g. Kubernetes, Docker Swarm)
• Knowledge in Deployment patterns
• Practical commercial experience with:
  • NoSQL (e.g. MongoDB, ElasticSearch, CouchDB)
  • Experience with Search Engines (e.g. ElasticSearch, Azure Search, Apache Solr)
  • Provisioning tools (e.g. Terraform, Ansible)
  • Quality tools (e.g. SonarQube)
• Experience with TDD environments (RSpec, Minitest, Capybara, Selenium)
• Experience with web architecture at scale (20krpm and above)
• Experience with “NoSQL” data backends (Redis, MongoDB, ElasticSearch)
• Experience solving logistical problems with software

• Close cooperation with the client
• A constant flow of new projects
• Dynamic and challenging tasks
• Ability to influence project technologies
• Projects from scratch
• Team of professionals: learn from colleagues and gain recognition of your skills
• European management style
• Continuous self-improvement