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17 Proven IT Outstaffing Companies for Startups and App Development

Olga Gubanova


May 2, 2024

The demand for tech talent has escalated, with IT job vacancies soaring by 81%, against a backdrop of a 39% decrease in the applicant pool. This competitive landscape underscores the outstaffing model's value, offering up to 60% savings on IT costs while accessing a global talent pool.

For IT outstaffing, companies typically offer a wide range of specialists, including:

  • Software Developers (Front-end, Back-end, Full-stack)
  • Mobile App Developers (iOS, Android, Cross-platform)
  • UI/UX Designers
  • Project Managers
  • QA Testers
  • Data Scientists
  • DevOps Engineers
  • Cybersecurity Experts
  • Product Managers
  • Business Analysts

However, when expanding your development team for a specific project, it's natural to face a mix of excitement and apprehension. You're not just looking for skill; you're searching for partners who will seamlessly integrate into your existing workflow, honor deadlines, and respect the confidentiality and security of your project. We've cut through the noise to identify companies that excel in these areas, ensuring they meet your project's unique needs without compromise.

Our rigorous selection process focused on critical elements like technical skills, communication, and adaptability, ensuring the chosen companies not only fill a skill gap but also amplify your project's potential efficiently. These standout firms are celebrated for their blend into teams, adeptness at meeting deadlines, and tackling complex issues, underpinned by a strong ethos of transparency, reliability, and collaboration.

Discover more about sourcing top talent in our detailed guide on hiring Python developers, ideal for businesses focused on software outsourcing.

Ptolemay: California’s Premier App Development and IT Staffing Innovator

Ptolemay App Development - Expertise in Flutter and AI Solutions for Various Sectors

Ptolemay, based in Walnut, California, is recognized for its expertise in application development, holding the title of California's #1 App Development Agency. The firm boasts a significant portfolio with over 70 projects completed, contributing to three unicorn companies, and maintains a high client return rate of 90%.

With a dedicated staff of over 50 professionals, Ptolemay specializes in IT outstaffing, providing tailored tech stack recommendations and risk assessments. Their approach is focused on understanding client needs, offering niche-oriented services across the entire app development lifecycle, and ensuring value creation and business transformation.

Ptolemay, with a team averaging over 8 years of experience, offers specialized AI solutions across fintech for fraud detection, healthcare predictive models, e-commerce personalization, adaptive education platforms, logistics optimization, entertainment content generation, and environmental climate modeling, addressing unique sector challenges.

Ptolemay distinguishes itself in the IT outstaffing domain by leading with advanced Flutter development capabilities, catering to the rising demand for cross-platform mobile applications. This focus ensures access to cutting-edge solutions that are both efficient and visually compelling.

Alongside Flutter expertise, Ptolemay's talent network encompasses specialized IT professionals in key areas such as .NET, Java, Node.js, PHP, Python, and Ruby on Rails for backend development; Angular, JavaScript, and React for front-end projects; and dedicated Android and iOS developers for native mobile applications.

Their portfolio is further enriched with data scientists, DevOps engineers, full-stack developers, machine learning engineers, project managers, QA engineers, and UI/UX designers, illustrating a comprehensive approach to meeting diverse technological and project execution needs.

Arc: Connecting Startups with Elite Remote Developers and Technical Teams

Arc Remote Developers - Elite Tech Talent for Startups Globally

Arc connects startups with elite remote software developers and technical teams, ensuring each professional passes a thorough vetting process tailored for technology roles. Specializing in both individual developers and whole development teams, Arc ensures that their talent pool is proficient in the latest technologies and methodologies.

Their unique approach focuses on understanding a startup's specific needs and matching them with developers who not only have the required technical skills but also align with the company's culture and values. This personalized matching process ensures a harmonious and productive working relationship.

Arc connects companies with a global talent pool of over 300,000 remote developers and designers from 190+ countries, covering 170+ technical skills. They offer both full-time and freelance hiring options, ensuring fast and efficient matchmaking through their AI-powered platform, HireAI. This approach allows for a 75% faster hiring process and 58% cost savings compared to local hires. Arc's clientele includes well-known brands like Spotify and Automattic, highlighting its reputation in the industry for providing quality remote talent.

BairesDev: Your Partner for Custom Software Development and Agile IT Staffing

BairesDev Software Development - Agile IT Staffing and Custom Software Solutions

BairesDev is known for its comprehensive IT services, including custom software development, IT consulting, and UI/UX design. With a focus on innovation and top-quality engineering, BairesDev supports startups to Fortune 500 companies across the globe. Their commitment to delivering projects on time and within budget, coupled with their vast pool of talent in the latest technologies, makes them a trusted partner for businesses looking to scale their development efforts efficiently.

Their wide array of services includes QA Testing & Automation, Business Intelligence, Data Science, iOS and Android App Development, Machine Learning, Data Engineering, and Front-end Development. This comprehensive service range is complemented by their ability to maintain an average annual growth rate of 86% from 2019 to 2022 and a notable 396% revenue growth from 2020 to 2022. Such achievements have not only marked them as Silicon Valley's second-fastest-growing private company but have also led to multiple awards including for Artificial Intelligence Excellence in 2023.

NEWNOP: Digital Transformation Through AI, IoT, and Team Augmentation

NEWNOP AI and IoT Solutions - Innovating with Advanced Technology Staffing

NEWNOP Co. Ltd stands at the forefront of digital innovation, offering a broad range of services designed to bolster business growth through technology. Their offerings include team augmentation, bringing in expert professionals to boost software project teams, alongside cutting-edge AI solutions like chatbots and data analytics for process automation and improved decision-making.

Additionally, their IoT solutions enhance real-time data interaction across devices for better operational efficiency. With a focus on using advanced technologies such as .NET, Angular, and Node.js, NEWNOP tailors software solutions for web and mobile platforms, ensuring scalability and high performance.

DOIT Software: Enhancing Enterprise Efficiency with Tailored IT Outstaffing Services

DOIT Software IT Outstaffing - Dedicated Teams for Mobile and Custom Software Development

DOIT Software, established in 2015, focuses on IT staff augmentation, mobile app development, custom software, and providing dedicated teams. They pride themselves on having helped over 40 businesses, possessing an in-house team of over 30 tech experts, and a tech pool of 5k qualified developers.

They emphasize zero recruitment costs, offering free replacement of developers if necessary, and providing comprehensive support including payroll management, team retention activities, and legal support. Their services cater to startups, enterprises, and SMEs, offering domain expertise in healthcare, retail & eCommerce, wellness & sports, FinTech, and more, aiming to drive innovation in companies.

DICEUS: Your Trusted Advisor for Custom Software Solutions and IT Staff Expansion

DICEUS Custom Software and IT Staffing - Tailored Solutions for Global Industries

DICEUS is a custom software development company established in 2011, specializing in providing comprehensive software solutions and IT staffing services. With a team of over 250 professionals, DICEUS focuses on delivering high-quality code and ensuring on-scope project delivery through a proven development flow.

The company caters to various industries, including banking, fintech, insurtech, healthcare, logistics, and retail, offering services in mobile app development, custom software development, web development, and IT consulting. DICEUS is committed to digital transformation, leveraging a wide range of technologies to meet unique business needs and providing scalable, personalized software solutions.

Scalable Path: Matching Tech Startups with Top-Tier Freelance IT Talent

Scalable Path Freelance IT Talent - Connecting Startups with Top Tech Professionals

Scalable Path has established itself as a significant player in connecting startups with elite tech talent, emphasizing flexibility and scalability. Over 13 years, they've curated a network encompassing 34,344 developer profiles, enabling them to match highly qualified candidates with the technical skills and cultural fit clients seek. Their approach includes offering CTO-level consulting to assist in project planning, management, and execution across various stages like MVP development, team building, and product management.

Their talent pool is extensive, covering a wide range of specializations. For backend development, they have experts in .NET, Java, Node.js, PHP, Python, and Ruby on Rails. Front-end needs can be met by Angular, JavaScript, and React developers. Mobile development is covered with Android, iOS, and React Native specialists. Additionally, they offer data scientists, DevOps engineers, full-stack developers, machine learning engineers, project managers, QA engineers, and UI/UX designers, showcasing their ability to meet diverse project requirements.

Web Recruiters: Expert IT Recruitment and Software Development for Global Markets

Web Recruiters IT Staffing - Global Software Development and Recruitment Experts

Web Recruiters, established in 2014, specializes in IT recruitment, IT staff augmentation, HR services, and software development, catering to clients in the USA and Europe. They emphasize creating long-term relationships and delivering exceptional products. Their services range from finding expert developers, seamless team management, to providing comprehensive software solutions. The company is dedicated to ensuring client success by offering tailored recruitment processes, a vast network of IT professionals, and a client-focused approach.

SHORE Teams: Accelerating Your Development with Cost-Effective IT Staff Augmentation

SHORE Teams IT Outstaffing - Cost-Effective Software Development Staffing Solutions

SHORE Teams specializes in expanding development capacity by matching companies with elite IT professionals and teams at no charge. They offer various solutions like Nearshore and Offshore Software Development, IT Outstaffing, and Staff Augmentation, aiming to provide businesses with on-demand access to fully trained developers within 4-8 weeks, and in some cases, single developers within days. Their services are designed to be fast, efficient, and cost-effective, addressing the challenges of finding and training skilled talent.

Yojji: Agile Software Development and Rapid Team Scaling for Businesses

Yojji Software Development - Agile and Rapid Team Scaling Services

Yojji, a software development firm, specializes in rapid, agile development, with a portfolio of over 200 projects and a team primarily composed of senior and mid-level engineers, achieving a 9/10 customer satisfaction score. Their services span from discovery through to UX/UI design, software testing, web and mobile development, and Cloud & DevOps, focusing on sectors like fintech, healthcare, e-learning, and more.

They offer outstaffing with a flexible model, quick professional selection, and competitive pricing, targeting fast-scaling businesses seeking skilled IT personnel.

Toptal: Access the Top 3% of Freelance Developers and IT Specialists

Toptal Freelance Developers - Access to the Top 3% of Global Tech Talent

Toptal prides itself on connecting businesses with the top 3% of freelance developers, designers, and finance experts globally. Their stringent selection process guarantees access to premier talent with a proven track record of success. Toptal offers flexibility and expertise in various technologies and industries, making it an excellent choice for startups requiring high-quality, reliable development resources. They are particularly noted for their efficient matching process, ensuring that companies find the right talent for their projects quickly and efficiently.

Toptal's growth has been remarkable, with the company reporting significant revenue milestones in its early years, including more than $1 million by the time one of its co-founders graduated from Princeton. The company's revenue continued to grow, reaching $80 million in 2015 and $100 million in 2016, a testament to its successful business model and the demand for elite freelancing talent. Seamless Integration of Freelance Software Developers into Your Projects Freelance Software Developers - Perfect Fit for Your Tech Projects is dedicated to helping startups find professional freelance software developers. What distinguishes is their focus on cultural fit and technical expertise, ensuring that the developers they provide can seamlessly integrate into existing teams. They offer a variety of engagement models, from hourly to full-time, providing the flexibility startups need.'s commitment to quality and reliability makes them a preferred choice for startups looking for scalable software development solutions.

Frogslayer: Specializing in Custom Software Projects and IT Staffing Solutions

Frogslayer Software Projects - Custom IT Staffing for Mid-Market Companies

When choosing an outstaffing company, focus on their track record, client ROI, and daily user support. Frogslayer, for instance, boasts a $1 billion client ROI, 23x average client return, supports 3 million daily active users, and maintains high client and employee satisfaction ratings (4.8 on Clutch, 4.9 on Glassdoor). Their services cater to various sectors, emphasizing the importance of a versatile talent pool including developers, QA testers, and project managers for successful project delivery.

Frogslayer specializes in rescuing and scaling custom software projects for mid-market companies.

Clear Summit: Engineering Excellence in FinTech, MedTech, SaaS, and IoT Development

Clear Summit Engineering Excellence - Specializing in FinTech, MedTech, and SaaS Development

ClearSummit offers a comprehensive suite of services focused on engineering, ReactJS and Django development, rapid MVPs, and more. They specialize in sectors like FinTech, MedTech, SaaS, and IoT, providing scalable software solutions and ongoing support. Known for delivering high-quality products efficiently, ClearSummit partners with startups to Fortune 5000 companies, ensuring their software meets the highest standards of security and performance.

Appinventiv: Award-Winning Mobile App Development and Digital Transformation Agency

Appinventiv Mobile App Development - Leading Digital Transformation Agency

Appinventiv specializes in mobile and software development, digital transformation, and AI among other services. Renowned for beating industry-best timelines, they've successfully partnered with global leaders like Ikea and Google. Recognized for their swift growth, they've been awarded titles such as "Tech Company of the Year" and "Top Mobile App Development Companies" in recent years.

WillowTree: Crafting Superior Digital Experiences with Comprehensive IT Services

WillowTree Digital Solutions - Superior IT Services for Diverse Markets

WillowTree offers a wide range of services aimed at optimizing customer experiences and internal workflows. Their offerings include Digital Strategy Consulting, Data & AI, Product Development, Cloud & Infrastructure, Brand & Experience Design, and Digital Marketing. They're recognized for delivering high ROI, filling strategic gaps, and providing comprehensive digital solutions across various industries like Financial Services, Health & Wellness, and more.

Provides a diverse range of services aimed at optimizing customer experiences and internal workflows, with a strong track record of successful partnerships.

Conclusion: Selecting the Right IT Outstaffing Partner

Choosing the right IT outstaffing company involves evaluating their technical expertise, communication skills, and adaptability to your project's unique needs.

Look for firms with a strong track record in your industry and those that emphasize transparency, reliability, and seamless team integration. Consider companies that offer a diverse talent pool, including specialists in cutting-edge technologies like AI and IoT. Prioritize those that provide comprehensive support, from project kickoff through completion, ensuring they align with your workflow and respect project confidentiality.

Success in your project with an extended team hinges on selecting a partner that not only fills a skill gap but also shares your vision for innovation and growth.