Best Software Developers in Eastern Europe

4 Companies - Rankings updated: April 02, 2026

All agencies are evaluated on DesignRush for demonstrated expertise and authentic client reviews to support your decision. Certain placements are paid.

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United States × Connecticut ×

  • SapientPro

    Engineering Intelligent Solutions Through Design and Code - Web, Mobile AI, Blockchain

    At SapientPro, we build high-quality software solutions and provide expert consulting services to help businesses grow. Since 2017, our team has been delivering custom-built solutions to meet unique business needs.  [... see all SapientPro reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $40/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    15 Projects Listed

    SapientPro Services

    • AI Development
    • eCommerce Development
    • Mobile App Development
    • Web Design
    • Web Development
    • Software Development
    • IT Services
    • UI/UX Design
    • Blockchain
    • DevOps Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Contentoo - Content Marketing Platform
      Software Development Project for Media & Communications Company Contentoo - Content Marketing Platform
    • Unified HR Calculators and Policy Constructor
      Software Development Project for HR Company Unified HR Calculators and Policy Constructor
    • How SapientPro Developed an AI-Based E-Commerce Consultant for Better UX
      Chatbot Solution Project for eCommerce Company How SapientPro Developed an AI-Based E-Commerce Consultant for Better UX
    • How SapientPro Improved Language Learning with Virtual Assistance
      Generative AI Project for Education Company How SapientPro Improved Language Learning with Virtual Assistance
    • How SapientPro Accelerated the Inspection Process by 87.5%
      AI Automation Project for Agriculture Company How SapientPro Accelerated the Inspection Process by 87.5%
    • How SapientPro Automated CV Processing and Saved 320+ Work Hours per Month
      AI Automation Project for HR Company How SapientPro Automated CV Processing and Saved 320+ Work Hours per Month
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.

    SapientPro Reviews & Testimonials

    • Slava Berkovich
      Slava Berkovich Chief Technology Officer at Saleslogs
      5.0★
      Software Development Review from Slava Berkovich

      SapientPro consistently delivers high-quality work that aligns with project requirements. The team demonstrates strong expertise in Angular, TypeScript, and JavaScript. Their project management and communication practices are highly effective, with weekly client meetings held to provide updates on progress and ensure alignment.

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    • Jeremy Ott
      Jeremy Ott Founder at Marketing Reporting Tool
      5.0★
      Software Development Review from Jeremy Ott

      This team was extremely responsive from the start. They pulled together a comprehensive quote for my MVP and have delivered on all of the requirements. The daily updates from the product/project manager are extremely helpful and it’s clear that the team cares about the quality of work they deliver. The engineers working on the product are always willing to make recommendations and go above and beyond to make the experience and underlying infrastructure that much better.

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    • Luc Vlekken
      Luc Vlekken CEO at Liswood & Tache
      5.0★
      eCommerce Development Review from Luc Vlekken

      We've had the pleasure of working closely with this development team on several projects, and the experience has been consistently excellent. Not only are they highly skilled developers, but they also think along with us both from a technical and a product/customer perspective. Their proactive attitude, reliability, and ability to translate complex requirements into elegant solutions make them a true partner rather than just a supplier. Highly recommended.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • Zich Solutions
    • Contentoo
    • HEX
    • MasTrack
    • Sprinkle
    • Slab Sharks
    • SalesLogs
    • Piktochart
    • The Big Data Chef
    • Footshop
    Data sourced from the agency's DesignRush profile
    View Profile
    4.9 4.9 (20)

  • EffectiveSoft

    FUELING DISRUPTION

    We're EffectiveSofta custom software development company delivering effective digital solutions. Whether it's new product creation or scaling and maintaining complex systems, we empower businesses to grow and disrupt their industries.  [... see all EffectiveSoft reviews ]
    Location
    Stamford, Connecticut
    Number of Employees
    250 - 499
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $25,000 - $50,000
    Portfolios Count
    29 Projects Listed

    EffectiveSoft Services

    • Software Development
    • Mobile App Development
    • Big Data Analytics
    • AI Development
    • ERP Consulting
    • IoT
    • Cloud Consulting
    • DevOps Consulting
    • UI/UX Design
    • Staff Augmentation
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • CloudController
      Software Development Project for Software & IT Services Company CloudController
    • Solution for quick and accurate processing of PCR tests
      Software Development Project for Health Care Company Solution for quick and accurate processing of PCR tests
    • Scalpel At The Cross
      Software Development Project for Health Care Company Scalpel At The Cross
    • B2B digital marketplace for clinical trials
      Software Development Project for Health Care Company B2B digital marketplace for clinical trials
    • Rollout Process Manager
      Software Development Project for Software & IT Services Company Rollout Process Manager
    • TruBridge Encoder and TruBridge Encoder Essentials
      Software Development Project for Health Care Company TruBridge Encoder and TruBridge Encoder Essentials
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.

    EffectiveSoft Reviews & Testimonials

    • Philipe Araujo
      Philipe Araujo Business Analyst and Quality Engineer at Motive Retail
      4.8★
      Software Development Review from Philipe Araujo

      We have had a highly positive experience utilizing EffectiveSoft's staff augmentation services for our Business Analyst and Quality Engineer needs. The professionals provided were not only highly skilled and knowledgeable but also integrated seamlessly with our existing team, requiring minimal ramp-up time. Their expertise in their respective fields significantly enhanced our project's efficiency and overall quality. We confidently recommend EffectiveSoft for any organization seeking top-tier talent to augment their teams and drive successful project outcomes.

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    • Sasja Ihn Christensen
      Sasja Ihn Christensen Senior Director, Head of Digital Business Development at MAERSK BROKER
      5.0★
      Software Development Review from Sasja Ihn Christensen

      Maersk Broker is pleased to provide this reference letter for EffectiveSoft, our trusted collaborator for complex web projects. From the initial stages of our projects, the team at EffectiveSoft demonstrated a deep understanding of our requirements and have been apro-active part of any problem-solving process. The team of offshore developers has been well-run through their lead developer, and we have only experienced a professional approach to our projects, as well as a pleasant and trust-based collaboration = between all members in the EffectiveSoft team and our own team. EffectiveSoft has furthermore proved to be highly flexible, adapting to our evolving needs and delivering reliable results under shifting circumstances and shifting priorities. They have furthermore been very quick to find and add the necessary resources to the team when needed, and we have only experienced professional and highly skilled consultants. This has also made on-boarding into projects faster and more efficient.In conclusion, it has been a pleasure working with EffectiveSoft, and I have no doubt that they will continue to be an asset to any collaborators in the future, adding value through their professionalism, dedication and understanding of business needs.

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    • Matt Hobbs
      Matt Hobbs Chief Product Officer at Canopy
      5.0★
      Software Development Review from Matt Hobbs

      I am writing to recommend EffectiveSoft, a technology consulting company that has been providing services to Canopy for the last four years. During this time they have consistently demonstrated professionalism, expertise, and a strong commitment to meeting deadlines for our business outcomes.. Canopy’s mission is to improve the financial resilience of UK renters, and support the Agents and Landlords they rent from with our powerful referencing platform. EffectiveSoft has been a key partner, working with us to deliver our product and engineering roadmaps as we continue to grow and scale. Their skilled team of engineers has worked to understand our unique product needs and deliver quality platform increments following agile principles.One of the most impressive qualities of EffectiveSoft is their ability to respond flexibly to our changes in direction, and meet evolving delivery deadlines, overseen by Kirill Makarenko, our technical project manager. Kirill and the team’s strong work ethic, capability and diligence has been crucial in the successful execution of our projects. It is rare to come across an external development team that remains steadfast in its commitment to service standards and business continuity, and here EffectiveSoft have excelled. Based on our experience, I would highly recommend EffectiveSoft for any organisation seeking technology delivery services. Their dedication, responsiveness, and commitment to delivering results make them an invaluable partner.

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    Reviews verified by DesignRush and sourced from the agency's profile
    • CITY INDEX
    • TruBridge
    • CNote
    • Plato
    • Intelon Optics
    • InCheq
    • Nissin Foods
    • Soutron Ltd.
    • BullionRock
    • InContinuum
    Data sourced from the agency's DesignRush profile
    View Profile
    4.8 4.8 (8)
    5.0 5.0 (2)

  • Soft Does

    Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in.  [... view Soft Does profile ]
    Location
    Hartford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed

    Soft Does Services

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Cloud Consulting
    • Blockchain
    • Software Testing
    • Digital Strategy
    • Big Data Analytics
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts

    Clients and Projects

    View Full Portfolio
    • Custom Finance Platform for Healthcare Practice
      Software Development Project for Health Care Company Custom Finance Platform for Healthcare Practice
    View Full Portfolio
    Comprehensive analysis done by DesignRush Agency Experts.
    • Altera
    • Brizacorp
    • Color and Harmony
    • FMY Orthodontics
    Data sourced from the agency's DesignRush profile
    View Profile

  • ObjectStyle

    Software as a passion.

    Established in 2002 in the USA, ObjectStyle stands as a distinguished software technology company. We are dedicated to offering comprehensive end-to-end IT services that encompass a wide spectrum of solutions. Our expertise spans various domains, ranging from web design and mobile app development to IT  [... view ObjectStyle profile ]
    Location
    Fairfield, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000

    ObjectStyle Services

    • Product Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cloud Consulting
    • IT Services
    • DevOps Consulting
    • Cybersecurity
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Sports Industry
    • Education Industry
    • Legal Industry
    Data sourced from the agency's DesignRush profile
    View Profile
    5.0 5.0 (1)

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