Description Ciklum is looking for a Senior/Expert Ruby Software Engineer to join our team full-time in Poland. We are a custom product engineering company that supports both multinational organizations and scaling startups to solve their most complex business challenges. With a global team of over 4,000 highly skilled developers, consultants, analysts and product owners, we engineer technology that redefines industries and shapes the way people live. About the role: As a Senior/Expert Ruby Software Engineer, become a part of a cross-functional development team engineering experiences of tomorrow. In your role as a Senior Full-Stack Engineer, your mission will be to drive the development of a technical platform that enables seamless and effective operation of the internal Customer Support department at our company (75 members and growing). This is a really cross-functional role as the main goal for your team will be an optimisation of internal processes and a construction of a platform that aggregates and exposes various data streams and features from different products and knowledge domains. You will be collaborating with a variety of teams and departments and diving into different disciplines to broaden your knowledge in other fields of expertise as well as share your own. You will contribute to great architecture and build the base of an easily extendable and well maintainable platform. Responsibilities
Own architectural design and constantly propose improvements of the existing features
Deliver value iteratively by building high-quality applications and features
Build, maintain, and take ownership of a rich ecosystem of applications and services
Be part of feature teams and build end-to-end customer features
Ensure that the systems you own are healthy, resilient, and perform well
Collaborate cross-functionally on feature design, architectural decisions, and assessing technical debt
Participate in the search for ways to improve and automate corporate processes
Shape our coding guidelines and quality standards
React, troubleshoot and solve operational events (bugs and incidents)
Focus on continuous learning and improvement and drive the evolution of our engineering practices
A can-do attitude to build MVPs and iterate on them in short cycles
Experience with infrastructure-as-code, ideally with Terraform
Requirements
Excellent knowledge in Computer Science, Computing Theory:
Paradigm & Principles (OOP, SOLID)
Database theory (RDBMS, No SQL)
Code testing practices
Architectural, Enterprise and Design Patterns
Excellent knowledge and experience in Ruby on Rails (more than 5 years)
Terraform, AWS
Coding with security in mind
Practical commercial experience with:
REST API development
Strong sense for good API design and third-party API integrations
Web application frameworks, Testing frameworks, ORM
RDBMS (e.g My SQL, Postgre SQL)
Experience No SQL databases
Key-value storages (e.g. Redis, Memcached)
Experience in using AWS
Strong understanding of Event-Driven Architecture
Testing experience on different levels: unit, integration, E2E
Version control systems (GIT)
Docker
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
Desirable
More than a year of commercial experience and proficient knowledge in Java Script, HTML, CSS (incl. preprocessors and CSS in JS)
Experience with Payments, Pricing or Customer Support business domains
Experience with Data-intensive systems
Knowledge of analyzing metrics about system health and performance (ideally Data Dog, Cloud Watch, Pager Duty, Rollbar)
Python, Elastic Search – good to have
Hands-on experience with microservice architecture and events-driven design
What's in it for you
Care: your mental and physical health is our priority. We ensure comprehensive company-paid medical insurance, life insurance and Multisport card
Tailored education path: boost your skills and knowledge with our regular internal events (meetups, conferences, workshops), Udemy license, language courses and company-paid certifications
Growth environment: share your experience and level up your expertise with a community of skilled professionals, locally and globally
Flexibility: Own your schedule – you are the one to decide when to start your working day. Just dont miss your regular team stand-up
Opportunities: we value our specialists and always find the best options for them. Our Internal Mobility Program helps change a project if needed to help you grow, excel professionally and fulfill your potential
Global impact: work on large-scale projects that redefine industries with international and fast-growing clients
Welcoming environment: feel empowered with a friendly team, open-door policy, informal atmosphere within the company and regular team-building events
About us:
Join a well-established company and a strong team of professionals.
Seize the perks of global opportunities, local approach and start-up spirit.
Boost your skills with modern stacks and industry-leading clients!
Enjoy what you do, do what you enjoy!
Be bold, not bored! Experiences of tomorrow. Engineered together
Interested already?
We would love to get to know you! Submit your application. Can’t wait to see you at Ciklum.