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Top Ruby on Rails Developers in Slovenia

Ratings Updated: July 27, 2026
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5 Companies

Country: Slovenia

List of the Top Slovenia Ruby on Rails Development Firms

  • Featured

    What are Featured Providers?

    Rubyroid Labs Logotype

    Rubyroid Labs

    5.0 55 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    50 - 249
    Serves Slovenia

    Services provided

    10% Web Development
    25% Custom Software Development
    25% Mobile App Development +3
    20% AI Development
    10% IT Staff Augmentation
    10% UX/UI Design

    Focus Areas

    40% Ruby on Rails
    35% React Native
    25% React

    Rubyroid Labs is a full-stack web development company specializing in custom website development and web application development. Reviews indicate a strong client focus, with 100% positive feedback highlighting their technical expertise, timely delivery, and responsive communication. Notably, 45% of reviewers commend their ability to understand and align with business goals, making them a reliable partner for complex online development projects.

    See all 55 projects
    13 of 13 Ruby on Rails reviews are 5 stars
    1 new review for Ruby on Rails in past 6 months
    $50,000 – $199,999 avg. project cost

    Ruby on Rails Experience

    Rubyroid Labs has received overwhelmingly positive feedback for their Ruby on Rails services, with over 90% of clients noting their expertise and professionalism. Key strengths include timely project delivery, effective communication, and a client-focused approach. Many clients highlighted impressive results, such as system uptime exceeding 99% and improved operational efficiencies. The flexibility of their team and high-quality code were frequently praised. Overall, Rubyroid Labs is viewed as a reliable partner, with no significant negative feedback reported.

    Read Most Recent Review
    18 of 18 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Web App Dev & Design for Weather Monitoring Solutions Co

    5.0 — Rubyroid Labs developed and designed a web app for an automatic weather monitoring solutions company. The app collects data from automatic weather stations and has an asset management system. Read more
    Read 18 Reviews

    Industry Experience

    Rubyroid Labs has demonstrated expertise across various industries, including Hospitality, Information Technology, Advertising, Financial Services, Sports, and Real Estate. Feedback highlights their strengths in communication, responsiveness, and technical proficiency, leading to successful project outcomes. Overall sentiment is positive, with clients appreciating Rubyroid's proactive approach and ability to deliver high-quality results. Potential clients in hospitality, IT, and advertising may find Rubyroid Labs particularly well-suited for their project needs.

    Read All Reviews

    Select Industry to see insights

    Media Financial services Real estate Sports Contracting Agriculture Design Food & Beverages Publishing Consulting Construction Automotive Nonprofit Engineering Retail Business services Education Software IT Services Information technology Wellness & Fitness Consumer Products Hospitality & leisure Advertising & marketing Arts, entertainment & music

    View projects from:

    United States (20) Belarus (4) Germany (4) England (3) Australia (3) Russia (2) Canada (2) South Africa (2) Denmark (1) Luxembourg (1) Netherlands (1) Japan (1) Georgia (1) Spain (1) France (1) Wales (1) Croatia (1)

    This provider is fluent in 1 language:

    • English

    This provider is available in 6 time zones:

    • Central European Time (CET)
    • Central Standard Time (CST)
    • Eastern European Time (EET)
    • Eastern Standard Time (EST)
    • Pacific Standard Time (PST)
    • Australia Central Time (ACT)
    View Profile Visit Website
    WideFix Logotype

    WideFix

    4.9 11 reviews
    Premier Verified
    $10,000+
    $50 - $99 / hr
    2 - 9
    Serves Slovenia

    Services provided

    30% Web Development
    30% Custom Software Development
    30% Mobile App Development +1
    10% IT Managed Services

    Focus Areas

    50% Ruby on Rails
    40% React
    10% React Native

    WideFix is a web development company excelling in Web Programming and Custom Website Development, with a notable emphasis on Ruby on Rails. Reviews highlight their execution-oriented, technically proficient approach, with 100% of feedback being positive. Clients praise their efficiency, reliability, and technical expertise, particularly in meeting deadlines and delivering high-quality solutions for complex projects.

    See all 11 projects
    2 of 2 reviews are 5 stars
    1 new review for Web Development services
    $10,000 – $49,000 avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews for WideFix reflect a consistently positive sentiment, highlighting their strong project management and communication skills. Clients commend their ability to deliver projects on time and adapt to changing requirements. The CTO of NovoEd noted their impressive ownership and responsiveness, while an executive from Grafo AI praised their execution-oriented approach and the effective handling of project scopes. Both clients reported no areas for improvement, indicating high satisfaction with WideFix's services.
    Read 2 Recent Reviews
    4 of 5 Ruby on Rails reviews are 5 stars
    2 new reviews for Ruby on Rails in past 6 months
    $10,000 – $49,000 avg. project cost

    Ruby on Rails Experience

    WideFix has received overwhelmingly positive feedback for its Ruby on Rails services, with 100% of reviewers highlighting strong technical expertise and timely project delivery. Clients commend their communication skills and adaptability, often noting their capacity to handle complex tasks independently. Notably, reviewers have reported significant improvements in project metrics, such as a 102.6% increase in project match rates and a doubling of revenue. Overall, WideFix is recognized for delivering high-quality, efficient solutions while maintaining excellent client relationships.

    Read Most Recent Review
    5 of 6 Web Development reviews are 5 stars
    1 new review for Web Development in past 6 months
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Feature Development for Real Estate Web Application

    5.0 — WideFix provided Ruby on Rails development augmentation for the online portal of a real estate company. They have expanded from there to support almost all software elements of the client's Read more
    Read 6 Reviews

    Average Project Cost Breakdown

    $50,000 to $199,999 (3) $10,000 to $49,000 (2) Less than $10,000 (1)

    What Clients Have Said

    Clients consistently commend WideFix for providing excellent value for money, highlighting their high-quality work at reasonable costs. One executive noted, 'Good value for cost' and praised their ability to deliver clean, reliable code on time. Another client emphasized that they chose WideFix for their 'high ratings' and 'technical expertise,' indicating satisfaction with the investment made. Overall, the sentiment reflects a strong alignment between the quality of service and the financial commitment required.
    Read All Reviews
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  • Infinum Logotype

    4.8 57 reviews
    Premier Verified
    $50,000+
    $150 - $199 / hr
    250 - 999
    Ljubljana, Slovenia

    Services provided

    20% Web Development
    20% Custom Software Development
    20% Mobile App Development +4
    10% AI Development
    10% Cybersecurity
    10% IoT Development
    10% UX/UI Design

    Focus Areas

    25% Ruby on Rails
    23% React
    13% .NET +3
    13% Angular
    13% Flutter
    13% Spring MVC

    Infinum is a versatile web development company specializing in Custom Website Development, Web Application Development, and Full-Stack Web Development. The company receives overwhelmingly positive feedback, with clients praising their project management, responsiveness, and ability to integrate seamlessly with client teams. Approximately 85% of reviews highlight their strong communication and commitment to delivering quality results, while some reviewers note the need for improvement in meeting deadlines.

    See all 57 projects
    4 of 4 Ruby on Rails reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Ruby on Rails Experience

    Infinum has received predominantly positive feedback regarding their Ruby on Rails services, with 80% of clients expressing satisfaction with their expertise and project management. Key themes include their ability to deliver user-friendly applications, effective communication, and adaptability to changing project scopes. Notable strengths highlighted include their commitment to quality, innovative solutions, and seamless integration of complex systems. However, 20% of clients suggested improvements in initial scoping and deadline estimation. Overall, Infinum is viewed as a strong partner for Ruby on Rails development.

    Read Most Recent Review
    9 of 14 Web Development reviews are 5 stars
    $200,000 – $999,999 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Web Dev & UX/UI Design for Plastic Recycling Nonprofit

    5.0 — Infinum provided web design and development services for a plastic recycling nonprofit. The team was responsible for improving the UX/UI of the client's website and flagship products. Read more
    Read 14 Reviews

    More responsive than most other service providers

    Infinum is responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch

    Ljubljana, Slovenia

    Tivolska cesta 48
    Ljubljana, Slovenia 1000

    16 - 20

    +386 (51) 258 909

    See All Locations (7)
    View Profile Visit Website
  • Abelium R&D Logotype

    5.0 11 reviews
    $50,000+
    $100 - $149 / hr
    10 - 49
    Ljubljana, Slovenia

    Services provided

    10% Web Development
    20% AI Development
    20% Custom Software Development +6
    15% IT Strategy Consulting
    10% Blockchain
    10% Business Consulting
    5% Digital Strategy
    5% Logistics & Supply Chain Consulting
    5% Mobile App Development

    Focus Areas

    10% Ruby on Rails
    40% NodeJS
    35% Django +1
    15% Oracle Application Development Framework

    Abelium R&D is a specialized web development company with expertise in custom website development and online development for scientific platforms and events. Their reviews highlight a 100% satisfaction rate, praising their professionalism, flexible strategies, and ability to deliver timely, user-friendly solutions, such as comprehensive web platforms for scientific congresses and journals.

    See all 11 projects

    Reviews mention Great team

    Clients consistently praise Abelium R&D for their exceptional team, highlighting their expertise and experience. One CEO noted their 'super-genius team of mathematicians and physics specialists,' emphasizing the high IQ and maturity of the team, which better aligns with client needs. The collaborative approach was also appreciated, as they worked closely with clients to address challenges. Overall, the sentiment is overwhelmingly positive, indicating a strong fit for complex projects and a reliable partnership.
    • Software Development for International Consulting Firm
      5.0 Jul 1, 2020

      I like that they have a super-genius team of mathematicians and physics specialists. This was quite new for me as previously we were dealing with electro engineers and they were more youngsters aged 25 to 30. The Abelium team has a super high IQ and a strong team that knows what they are doing. They are more experienced, and they are 40 plus.

      Read Full Review
    Read All Reviews
    2 of 2 reviews are 5 stars
    $50,000 – $199,999 avg. project cost

    Reviewed 2 times in the past 6 months

    Recent reviews for Abelium R&D indicate a strong positive sentiment, highlighting their high-quality work and effective communication. Clients praised their responsiveness and creativity, particularly in complex projects like PV generation forecasting and AI-driven energy consumption software. One client noted the team delivered on time and maintained proactive communication, while another emphasized the company's culture and ownership of projects. Overall, clients express satisfaction with the results and willingness to collaborate again.
    Read 2 Recent Reviews
    2 of 2 Web Development reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Web Development PROJECT HIGHLIGHT

    Congress Platform Development for Public University

    5.0 — Abelium R&D developed a website for a public university. This was for the 8th European Congress of Mathematics participant's easy registration, online payment, submission, scheduling, approval, Read more
    Read 2 Reviews

    Industry Experience

    Abelium R&D has demonstrated strong expertise across several industries, primarily in Energy & Natural Resources, Education, Government, and Financial Services. Feedback highlights their innovative solutions in energy forecasting and digital transformation for government services, showcasing their strengths in project management, responsiveness, and technical capabilities. Their work has consistently yielded high satisfaction, especially in collaborative environments requiring tailored digital solutions. Overall sentiment is highly favorable, indicating that potential clients in these sectors can expect substantial value and effective partnership.

    Read All Reviews

    Select Industry to see insights

    Energy & natural resources Chemicals & Biotechnology Research Education Government Financial services Consulting Transportation
    View Profile
  • FlawlessCode Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    10 - 49
    Maribor, Slovenia

    Services provided

    10% Web Development
    10% Application Management & Support
    10% Application Testing +7
    10% Branding
    10% Conversion Optimization
    10% Custom Software Development
    10% Mobile App Development
    10% Social Media Marketing
    10% UX/UI Design
    10% Web Design

    Focus Areas

    20% Ruby on Rails
    20% .NET
    20% VueJS +4
    10% Angular
    10% NodeJS
    10% Oracle Application Development Framework
    10% React

    Headquartered in Maribor, Slovenia, FlawlessCode is a branding company. The team provides Branding and Social Media Marketing.

    Read more
    View Profile

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  • Disru s.p. Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Velenje, Slovenia

    Services provided

    100% Custom Software Development

    Focus Areas

    100% Ruby on Rails

    Disru s.p. Is a software development firm. The Velenje, Slovenia-based company was launched in 2011. Their services include Custom Software Development.

    Read more
    View Profile
  • Bitami Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    2 - 9
    Ljubljana, Slovenia

    Services provided

    10% Web Development
    15% Branding
    15% Logo +5
    15% Market Research
    15% UX/UI Design
    10% Custom Software Development
    10% E-Commerce Development
    10% Web Design

    Focus Areas

    100% Ruby on Rails

    Bitami is a branding agency located in Ljubljana, Slovenia. They focus on Branding and Market Research and were established in 2009.

    Read more
    View Profile

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1 Abelium R&D
2 Infinum

List of the Top 2 Slovenia Ruby on Rails Development Firms

  1. Abelium R&D Logotype

    Abelium R&D

    $50,000+
    $100 - $149 / hr
    10 - 49
    Ljubljana, Slovenia

    Ability to deliver

    31.2/40.0
    17.2/20 Reviews
    6.4/10 Clients & Experience
    7.7/10 Market Presence

    Service focus

    10% Web Development
    10% Ruby on Rails
    20% Custom Software Development
    70% Other
    View Profile Visit Website
  2. Infinum Logotype

    Infinum

    $50,000+
    $150 - $199 / hr
    250 - 999
    Ljubljana, Slovenia

    Ability to deliver

    40/40.0
    20/20 Reviews
    10/10 Clients & Experience
    10/10 Market Presence

    Service focus

    20% Web Development
    25% Ruby on Rails
    20% Custom Software Development
    60% Other
    View Profile Visit Website
  3. FlawlessCode Logotype

    FlawlessCode

    Undisclosed
    Undisclosed
    10 - 49
    Maribor, Slovenia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Web Development
    20% Ruby on Rails
    10% Custom Software Development
    80% Other
    View Profile Visit Website
  4. Disru s.p. Logotype

    Disru s.p.

    Undisclosed
    Undisclosed
    2 - 9
    Velenje, Slovenia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    100% Custom Software Development
    View Profile Visit Website
  5. Bitami Logotype

    Bitami

    Undisclosed
    Undisclosed
    2 - 9
    Ljubljana, Slovenia

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Web Development
    100% Ruby on Rails
    10% Custom Software Development
    80% Other
    View Profile Visit Website

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