On behalf of Seeking Alpha, Ciklum is looking for Senior Ruby on Rails Developer to join Kyiv team on full-time basis.


Develop API for modern cross-platform responsible SPA from the ground up.
Participate in design and planning discussions, contribute architecture ideas.
Develop and test new user-facing features.
Write highly scalable, reusable and testable code.
Optimize application for maximum speed and performance.
Collaborate with other team members.


Knowledge of Agile principles, open-source ecosystem, Test Driven Development (TDD).
Experience in OOP and MVC design and development patterns. Good understanding of data structures and design patterns.
3+ years of back-end development experience in building large, complex, highly scalable web applications using Ruby on Rails framework.
Solid understanding of Ruby syntax, its nuances and core concepts. Ability to write clean and readable code.
Familiarity with concepts of RESTful.
Experience building API’s, including authentication, cleanliness, and role-based access permissions.
Experience with SQL or NoSQL database technologies (e.g. MySQL, ElasticSearch, CouchBase, Redis, etc.)
Comfortable with source version control software (Git).
Knowledge and understanding of server-side architecture best practices.
Deep understanding of the HTTP protocol and networking.
Knowledge or experience with Cloud computing technologies and environments (Amazon Web Services)


Experience working in a UNIX environment.
Basic understanding of front-end technologies, such as JavaScript, HTML5, and CSS3.
Familiarity with Angular/React/Vue or similar frontend frameworks.
Having Github portfolio or link to open source work.

What's in it for you

Very close cooperation with client
Dynamic and challenging tasks
Team of professionals: learn from colleagues and gain recognition of your skills
Low bureaucracy, European management style

About Ciklum International

Ciklum is a top-five global Digital Solutions Company for Fortune 500 and fast-growing organisations alike around the world.
Our 3,000+ Developers located in the Delivery Centres across the globe, provide our clients with a range of services including outsourcing software development, Enterprise App Development, Quality Assurance, Security, R&D, Big Data & Analytics.

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Job posted on 8 January 2021
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