Senior Ruby on Rails Developer (offline)

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, TDD, BDD);
○ Database theory (RDBMS);
○ Code testing practices;
○ Enterprise and Design Patterns;
○ Microservices architecture, SOA;
○ Security patterns, Common attacks types (OWASP);
● Understanding of network interactions:
○ protocols;
○ conventions (GraphQL, REST);
○ authentication and authorization flows (e.g. oAuth);
● Excellent knowledge and experience in Ruby on Rails (more than 5 years);
● Practical commercial experience with:
○ GraphQL;
○ Web application frameworks, Testing frameworks, ORM;
○ RDBMS (e.g, PostgreSQL);
○ Key-value storages (Redis);
○ Messaging systems (Resque);
○ Version control systems (GIT);
○ Cloud computing platforms (AWS);
○ Integration with 3rd party solutions;
○ Microservices;
○ Docker;
○ Continuous Integration tools (e.g. Gitlab Pipeline, Jenkins);
○ 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)

Desirable:
● Experience in software development for more than 6 years;
● Understanding of orchestration and containerisation (e.g. Kubernetes, Docker Swarm);
● Knowledge in Deployment patterns;
● Experience with TDD environments (RSpec, Minitest, Capybara, Selenium)
● Experience with web architecture at scale (20krpm and above)
● Experience solving logistical problems with software
● Autoscaling, monitoring, alerting approaches

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;
● Continuous self-improvement.

About Ciklum International

Ciklum (www.ciklum.com) is a leading global product engineering and digital services company, serving Fortune 500 and fast-growing organisations.

Headquartered in the UK, Ciklum has 4,000+ software developers, designers, product managers and data scientists around the world building tailored digital solutions that leverage emerging technologies. Ciklum specialises in enabling digital transformation for some of the largest household names in the digital economy.

The Company empowers its clients and people to exceed their potential and pursue the extraordinary.

Join one of the top 10 employers in Ukraine, according to Forbes.
Boost your skills and make a difference with cutting-edge projects, skilled colleagues and the latest tech stacks.

Company website:
https://www.ciklum.com/

DOU company page:
https://jobs.dou.ua/companies/ciklum/