Position: Senior Ruby on Rails Developer [for Ciklum]
Company: Ciklum
Experience required: 5y
English level: upper

About Project:

Our client is expanding R&D team and we’re looking for a Senior Ruby on Rails Developer.
If you want to be a part of a great team in a VC backed company that is growing, yet still small enough for you to make an impact. If you like challenges and are excited to develop, design, learn, teach and win, this is the role for you!
As a Senior Developer, you’ll touch every aspect of the product and will help it grow. We are looking for experienced individuals with experience in building real-life applications used by demanding customers.
Our product is a B2B SaaS product, used by large business customers to make a difference in how they engage with their own customers, learn from them, and operate better in a fast-moving market. We deal with complex and fascinating data and interaction applications, and our customers and users are top-notch. Customer-obsession is in our DNA, and we need people to fit right into that.

Responsibilities:
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
Requirements
Excellent knowledge in Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID, DDD, TDD, BDD)
Database theory (RDBMS)
Code testing practices
Design Patterns
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:
REST API development
Web application frameworks, Testing frameworks, ORM
RDBMS (e.g. MySQL, PostgreSQL)
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 (e.g. AWS, Google Cloud)
Continuous Integration tools (e.g. Circle CI)
Integration with 3rd party solutions
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
Upper-Intermediate English
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)

Desirable:
Knowledge and experience in Javascript
Architectural and Enterprise patterns
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, GCP, Microsoft Azure)
Knowledge in Deployment patterns
Practical commercial experience with:
NoSQL (e.g. MongoDB, 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 solving logistical problems with software
Understanding of orchestration and containerisation (e.g. Kubernetes, Docker Swarm)
Experience with Docker

What's in it for you?
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