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Senior Ruby on Rails Developer

Späť na pozície
Place of work
Remote work
Contract
trade licence
Salary
27 - 55 EUR/hour
* A specific job offer will be depending on the offered job level, your professional and technical skills and knowledge, education, and work experience. The stated salary is for a fulltime position. The conversion to a contract position is subsequent.
Team
FICAS

Information about the position

Job description, responsibilities and duties

Who We Are:
At Innovatrics, our mission is to simplify complex biometric and security challenges with smart technology solutions.
We provide advanced biometric identification and attendance solutions that help organizations streamline operations, enhance security, and comply effortlessly with regulatory requirements.
We're trusted by prominent companies across Slovakia and the Czech Republic, serving industries such as manufacturing, retail, and hospitality.
Join us if you're passionate about technology that significantly enhances operational efficiency and security for businesses of all sizes.
Working Hours & Location:
This role is available fully remote or hybrid with our Bratislava office. Flexible working hours with an expectation of overlap during Central European Time (CET) business hours.
Required locations:
Slovakia, Czech Republic, or other locations within CET-compatible time zones
Bratislava, Slovakia (optional hybrid model)
Flexibility:
Work remotely, with occasional visits to the office for key meetings or collaborative sessions.

Why This Job Is Exciting?
As a Senior Ruby on Rails Developer, you will play a crucial role in designing, developing, and maintaining scalable backend services that support critical operations within Innovatrics' Fingera platform. Fingera integrates attendance tracking, access control, and catering management into a unified system, significantly enhancing operational efficiency and security for businesses across various sectors, including manufacturing, retail, and hospitality. Your work will directly impact our customers' daily operations by addressing their pain points, such as attendance accuracy, fraud prevention, and efficient shift management.

You’ll have the opportunity to:
Within one month, you will…
  • Familiarize yourself with our technical infrastructure, product architecture, and development workflows.
  • Set up your development environment and complete onboarding tasks.
  • Participate in your first sprint planning and delivery cycle.
  • Build relationships with colleagues both inside and outside of your immediate team to foster effective collaboration.
Within three months, you will…
  • Independently contributed to feature development, bug fixes, and enhancements in our Ruby on Rails applications.
  • Fully engage in code reviews, providing constructive feedback to peers.
  • Begin understanding deeper business logic and collaborate effectively with stakeholders.
Within six months, you will…
  • Lead technical design discussions and effectively implement complex features.
  • Identify performance bottlenecks and devise strategic solutions to address scalability issues.
  • Mentor junior developers, promoting best practices and high coding standards.
Within one year, you will…
  • Own and lead significant portions of our backend architecture, influencing long-term technical strategy.
  • Continuously improve our technology stack, promoting innovation, scalability, and reliability.
  • Actively participate in shaping product roadmaps alongside Product Management and Engineering leadership.

Employee perks, benefits

Financial Rewards & Support
  • Non-guaranteed Performance-based bonus for all, based on company performance
  • Spot bonuses for outstanding individual performance
  • Budget for IT equipment
Flexible & Supportive Work Environment
  • Hybrid working model (3 days home office, 2 days in the office)
  • Flexible working hours
  • Work from anywhere for 2 weeks per year
  • Office perks: Breakfasts, fruit/snacks, coffee/tea/taped water
  • Parking spaces at the office
  • Christmas party & company team building
Learning & Career Growth
  • Budget for hard and soft skills development
  • 1-on-1 language lessons via an online platform
Well-being & Extra Perks
  • Multisport card (SK & CZ)
  • Mobile phone & subscription (with managerial approval)
  • Company merch
  • 3 Wellness Days per year for mental, physical, or overall well-being (formerly Sick Days)
  • 25 vacation days for all, plus loyalty vacation days (up to 5 extra per year) (SK & CZ)
  • Impact Day Off – a day to volunteer and give back to the community

Information about the selection process

Hello and thank you for choosing to apply for a job at Innovatrics. We are happy that you are interested in us!
After receiving your CV, we will closely review your application and see if you're the right fit for us. If so, we will reach out to learn more about you.

We wish you good luck in our hiring process!

Prior to sending your response to the present job offer, please read the Personal Data Processing Information. You are sending your data to Innovatrics, s.r.o., Pri vinohradoch 82, 831 06 Bratislava, Company ID: 36 280 712 which will process your personal data at your request as referred to in Article 6 (1) (b) of the General Data Protection Regulation (GDPR) for the purposes of performing and assessing a particular selection procedure and pursuant to Act no. 18/2018 Z.z. on the personal data protection.

Requirements for the employee

Candidates with education suit the position

Secondary with school-leaving examination
Follow-up/Higher Professional Education
University student
University education (Bachelor's degree)
University education (Master's degree)
Postgraduate (Doctorate)

Educational Specialization

IT, SW Development

Language skills

English - Upper intermediate (B2)

Other knowledge

Ruby - Advanced
Ruby on Rails - Advanced

Experience in the position/sector

IT, SW engineering

Number of years of experience

7

Personality requirements and skills

About You:
You are a proactive, experienced Ruby on Rails developer passionate about building scalable, maintainable, and performant applications. You align strongly with Innovatrics' values of excellence, innovation, and collaboration. You thrive in environments that emphasize autonomy, continuous learning, and teamwork.

Qualifications:
  • Extensive experience (7+ years) with Ruby on Rails, preferably Rails 7.x.
  • Expert understanding of Ruby fundamentals, advanced OOP principles, and design patterns (SOLID, GRASP).
  • Demonstrable experience in system design, including microservices, monolithic architectures, event-driven, and domain-driven design.
  • Proficiency in database technologies such as PostgreSQL, advanced SQL optimization, and performance tuning.
  • Strong expertise in TDD and BDD practices with RSpec, Capybara, FactoryBot, etc.
  • Deep knowledge of web application security (data encryption, secure protocols, XSS, CSRF, SQL injection prevention).
  • Proven track record of using DevOps practices and tools (AWS, Docker, Kubernetes, CI/CD).
  • Responsible approach to work, demonstrating autonomy and independence.
  • Strong analytical skills with the ability to clearly describe complex technical challenges and propose effective solution strategies.
  • Proven capability to effectively communicate and collaborate in cross-functional teams and settings, including with non-technical stakeholders.
  • Experience mentoring team members and fostering knowledge sharing and continuous improvement.

Techstack:
Ruby, Ruby on Rails (7.x), PostgreSQL, Redis, AWS, Docker, Kubernetes, Git, GitLab CI/CD, Linux environments

About the product

Fingera

Advertiser

Brief description of the company

At Innovatrics, our mission is to make biometric identity accessible, secure, and scalable for everyone.
We develop world-class biometric solutions used by governments, enterprises, and platforms around the globe. Our technology powers identity verification, access control, criminal investigations, and national ID systems - serving millions of users and making security smarter and more seamless.
We're trusted by companies and institutions in over 80 countries and ranked among the top vendors in independent NIST evaluations.

Number of employees

200-249 employees

Contact

Contact person: Anna Tkacova
Tel.: +421911247080
E-mail: send CV

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ID: 5041906  Dátum zverejnenia: 28.4.2025  Základná zložka mzdy (brutto): 27 EUR/hour