• OVERVIEW
  • SERVICES
  • MODELS
  • WHY CHOOSE US?
  • TECHNOLOGIES
  • OUR PROCESS
  • FAQS

Seeking for a Trusted Software Outsourcing Company?

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  • Global demand for software development outsourcing is on the rise and for good reason. According to recent research, the outsourcing software development services market is projected to grow from USD 122.7 billion in 2024 to USD 187.6 billion by 2032. With faster access to skilled teams and proven development workflows, outsourcing is becoming a strategic lever for innovation and growth.
  • Software outsourcing companies allow businesses to delegate tech tasks to external experts while keeping focus on core operations. Compared to in-house development, outsourcing offers advantages like cost savings, faster time-to-market, access to niche skills, and easier scalability. Importantly, you don’t lose control because outsourcing gives you flexibility to scale up or down and collaborate with specialized professionals without full-time hiring.
  • Since 2012, STS Software stands as a reliable outsourcing development company in the USA and beyond. Our team includes top-tier developers, business analysts, project managers, and QA engineers who work within Agile and DevOps frameworks to ensure smooth delivery. We specialize in building cloud-native, microservices-based, and AI-driven applications tailored to diverse industries. With a client-first mindset, transparent processes, and competitive pricing, STS Software empowers your business to grow with confidence.
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350+
Skilled software engineers delivering excellence
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13+
Years of dedicated industry experience
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800+
Successfully software development projects
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300+
Global Clients

Our Software Development Outsourcing Services

STS Software offers end-to-end software outsourcing services that cover the entire product lifecycle with expert guidance and technical excellence.
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Custom Software Development

Outsource custom software development services to STS Software and get tailored digital solutions designed around your unique business needs. Our team focuses on building scalable, easy-to-integrate, and future-ready software that aligns with your workflows and long-term goals.
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Web Application Development

We specialize in building responsive, secure, and user-friendly web applications to enhance your digital presence and streamline operations. By leveraging modern frameworks and technologies, STS Software delivers high-performance web apps built for performance and growth.
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Mobile App Development

Your users deserve more than just an app, they deserve an experience. We create mobile apps that blend stunning design, responsive performance, and flawless work across all devices. STS Software provides outsourced mobile app development services for both iOS and Android, specializing in native and cross-platform solutions.
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AI Development Services

Ready to make your software smarter? We develop intelligent solutions like predictive analytics, conversational chatbots, and workflow automation by leveraging machine learning, natural language processing (NLP), and computer vision to deliver real business impact.
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Software Product Development

Building a new product is complex, we make it simple. As your outsourced software product development company, STS Software turns your product roadmap into reality with full-cycle development, including ideation, prototyping, development, and post-launch support.
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Software QA Testing Services

Don’t let bugs impact your users. Our outsourced testing and QA services provide thorough manual and automated testing to catch bugs early, improve performance, and ensure your product meets the highest quality standards before it ever reaches your users.
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SaaS Development

Unlock the full potential of cloud technology with our SaaS development services. We design flexible, scalable, and secure multi-tenant solutions, complete with subscription management, seamless cloud deployment, and powerful user access control features.
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DevOps Development Services

Our DevOps services combine development and operations. Together, these two practices aim to enhance delivery speed and promote efficient collaboration. We also integrate advanced security tools to streamline processes and keep pace with market demands.
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Digital Transformation

We help you transform legacy systems into modern solutions. STS Software modernizes core systems, automates manual processes, and integrates your data for smarter decisions and faster business outcomes.
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MVP Development Services

Partner with a proven software outsourcing provider to turn your idea into a working MVP. We focus on essential features to get your solution in front of users faster, which save time, reduce costs, and make smarter product decisions.
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Hire Software Developers

Need extra hands or specialized skills? Access top-tier developers through our flexible engagement models. Whether you're scaling your team or filling skill gaps, our team brings hands-on experience across diverse technologies and industries.
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Software Maintenance and Support

We understand that successful software doesn’t end at launch. STS Software offers comprehensive maintenance and support include proactive monitoring, performance tuning, bug fixes, and feature enhancements. Our team is here to help you stay ahead of technical issues and changing requirements.
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Our Outsourcing Models

As a leading outsourcing software development company in USA, STS Software offers flexible engagement models designed to match your unique business needs.
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Dedicated Development Team

Our dedicated development team works exclusively on your project, providing specialized expertise and consistent support. With an adaptable team structure, we ensure efficient results and alignment with your business goals.

Ideal for Businesses That:

  • Have an internal development team but need to scale up fast.
  • Want full control over project management and direction.
  • Require expertise in specific technologies or industries or short- or mid-term tasks.
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IT Staff Augmentation

This model provides you a self-managed team covers part of your project such as front-end, back-end or QA. We offer the flexibility to scale resources based on project needs while reducing recruitment and management overhead.

Ideal for Businesses That:

  • Need long-term support without the complexities of internal hiring.
  • Want to offload specific project tasks while staying strategically involved.
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Full Software Development Outsourcing

STS Software takes full responsibility for managing the entire software development process. This end-to-end approach ensures that all aspects of your project are handled efficiently, minimizing risks, reducing costs, and freeing up internal resources.

Ideal for Businesses That:

  • Want to delegate the entire software development lifecycle to a reliable, experienced team.
  • Need to focus on core operations while trusted professionals manage every aspect of software delivery.
  • Seek cost-effective solutions without compromising on quality, performance, or scalability.

Our Successful Software Outsourcing Projects

AI and ML
Natural Language Processing Toolkit

Natural Language Processing Toolkit

The Natural Language Processing Toolkit (NLTK) is a Python-based software application that offers a suite of tools for the purpose of processing natural language data.
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AI and ML
Skin Analyzing System

Skin Analyzing System

A skin analysis system evaluates skin health and appearance using imaging, machine learning, and data analysis to assess conditions like acne, wrinkles, and sun damage.
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AI and ML
Semantic Search For Travel Place Document

Semantic Search For Travel Place Document

This project aims at developing a Semantic Searching Engine that could search with meaning not only to find keywords but to determine the intent and contextual meaning of the input sentence. 
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SaaS
HealthTech

HealthTech

HealthTech is a SaaS-based EHR platform recognized for its intuitive interface and advanced functionalities. Users appreciate its responsive support team and comprehensive mobile communication capabilities.
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Mobile App
TECO APP

TECO APP

Our skilled team started the Teco App project to develop an innovative software solution that aimed to revolutionize customer engagement, in line with their vision.
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Offshore Dedicated Team
Mobile Team Manager ODC

Mobile Team Manager ODC

Mobile Team Manager is a cloud based application that allows your business to coordinate the fast paced pool of supervisors, operators.
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Why Choose STS Software As Your Trusted Software Development Outsourcing Company

When you choose STS Software as your outsourcing partner, you get more than just a development team. It means that you gain a reliable, forward-thinking tech partner.

STS Software offers access to a broad team of skilled professionals, including 350+ developers, project managers, business analysts, QA engineers, and more. Our talented professionals are equipped to handle a wide range of technological and domain-specific needs. Whether you need a small, specialized team or large-scale resources, we can scale quickly to meet your project requirements.

We combine Agile methodologies with DevOps practices to ensure flexibility, fast iteration, and high-quality software delivery. Through continuous integration/continuous deployment (CI/CD), infrastructure as code, and proactive monitoring, we speed up development cycles while maintaining top-tier performance and reliability.

With STS Software, your projects benefit from a structured approach to planning, resource allocation, and risk management. Every project is delivered on time within budget and aligned with your objectives. Our consistent track record of meeting deadlines and expectations reinforces our reliability as a software outsourcing partner.

STS Software is committed to the highest standards of quality and security, as evidenced by our ISO 9001 and ISO 27001 certifications. Our dedication to secure development processes, data protection, and rigorous quality control guarantees that your software meets industry standards and keeps your business and customer data safe.

Our team’s expertise spans modern technologies such as cloud-native development, microservices, artificial intelligence, and scalable architecture. We design and develop solutions that support innovation, grow with your business, and adapt to changing market demands.

STS Software believes in maintaining a transparent and collaborative relationship with clients. We prioritize open communication, shared tools, and detailed reporting at every stage of the project to keep alignment and build strong, lasting partnerships.

Our commitment to your project’s success doesn’t end at launch. We offer ongoing maintenance, timely updates, and flexible warranty options to ensure that your software performs optimally and adapts to changing business needs long after go-live.

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Microsoft Goal Partner ISO 9001 ISO/IEC 27001 D-U-N-S REGISTERED top outsourcing software development companies - DesignRush

Celebrated Collaborations

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Our Clients' Experiences

I have not had an issue with any of STS Software's team. I have had a couple of project managers already, and various dev. teams. The team are so knowledgeable, I feel very safe and secure these days as I spec. in my next bit of work.
Mr. Kirk Duncan
CEO of The Mobile App Man, Sydney, Australia
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I would recommend companies to work with STS Software for their Software development or service needs. The project team is very responsible for their work and would recommend solutions in the interest of the client. The team also responds very quickly to requests, bugs, and questions. One exceptional quality of STS Software was their patience for clients. There were several times when we were slow to respond or test our apps but the project team was still very accommodating towards us.
Jeremy Heng
Development Manager, Rehau Group PTE
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Recognized as a Leading Software Outsourcing Company in USA

STS Software is honored to be recognized among the top software outsourcing companies, delivering cost-effective and scalable solutions globally. Let's build something great together!
Talk to Our Experts
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Benefits of Outsourced vs. In-House Development

Outsourcing software development offers a smarter, faster, and more cost-effective path to high-quality solutions. STS Software helps you turn complex ideas into powerful web applications.

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Outsourcing gives you access to experienced professionals who bring specialized skills, industry know-how, and adherence to proven development practices. This leads to better code quality, fewer bugs, and more efficient software delivery. In contrast, in-house teams may lack specific expertise or require significant training to meet the same quality benchmarks.

By outsourcing software development, businesses avoid the high costs of hiring, onboarding, and maintaining a full-time team. You reduce overhead and HR-related expenses, paying only for what you need. In-house development often involves long-term financial commitments that can be challenging to scale up or down based on project demands.

Businesses can easily increase or decrease team size without the problem of hiring or layoffs, and IT software outsourcing company can quickly align resources to fit your needs. In-house teams typically take longer to adjust, requiring recruitment or reassignment efforts that slow progress.

Outsourcing teams can get started within 2-4 weeks, speeding up your development cycle significantly. This quick onboarding helps businesses accelerate time-to-market, which is a key competitive advantage. In-house development often involves longer lead times due to internal approvals, hiring, and training.

Partnering with an outsourcing provider like STS Software gives you access to top-tier outsource developers with 12+ years of hands-on experience. These experts can tackle complex technical challenges efficiently. Building an in-house team with comparable expertise can be time-consuming and expensive.

Outsourcing provides end-to-end capabilities besides development. STS Software offers services like DevOps, cloud migration, data engineering, machine learning, and even industry-specific solutions like fintech or e-commerce platforms, which are all under one roof. In-house teams often require more hiring or training to cover such a broad set of skills.

With teams aligned to US time zones, STS Software prioritize real-time communication and seamless collaboration. This minimizes communication lags and integrates our team closely with yours, creating a unified, productive workflow that feels like an extension of your own company.

Clear and consistent communication is essential for success. STS Software teams are fluent in English and culturally aligned with US business practices. This reduces misunderstandings, shortens feedback loops, and makes sure that your vision is understood and executed accurately.

Our Technologies

Our Software Development Outsourcing Process

STS Software follows a structured and transparent outsourcing process designed to deliver successful outcome from day one. Our approach emphasizes collaboration, flexibility, and alignment with your business goals at every stage.
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Project Kick-Off

Every successful project begins with a shared vision. In the kick-off phase, our project manager (PM) and business analyst (BA) meet with you to understand your goals and expectations. We focus on open communication and thorough documentation to establish a clear roadmap, laying the foundation for smooth execution.
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Demand Analysis

We in-depth analysis your requirements, end-user needs, and market conditions to define the most effective solution. This analysis helps us create tailored proposals and develop a personalized solution that meets the unique needs of your business. Our focus is on building a solution that’s both relevant and scalable.
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Terms of a Contract Discussion

In this phase, all stakeholders including your team, our PM, solution architect (SA), tech leads, and developers, collaborate to finalize the project roadmap. We work closely with you to define scope, timeline, milestones, and budget. Transparency is key, and you're always in control of the final decisions.
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PoC / MVP Launch (Upon Request)

Need to validate your idea before full-scale development? We can build a Proof of Concept (PoC) or a Minimum Viable Product (MVP) to gather real-world feedback. This approach minimizes risks, helps fine-tune your product scope, and gives you a clearer path forward before committing additional resources.
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Software Development

Our outsourced software developers get to work using Agile methodologies, ensuring frequent updates, quick feedback loops, and flexibility throughout the project. We follow strict coding standards and use secure repositories to ensure quality and security. Every line of code is written with your long-term vision in mind.
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Testing and Quality Control

Quality assurance is integral to everything we do. Our QA engineers run manual and automated tests across multiple environments to identify and fix issues early. Using CI/CD tools like Jenkins, GitHub Actions, or Azure DevOps, we streamline testing and ensure high-quality deliverables.
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Software Deployment

Our DevOps specialists handle everything from final configurations and data migration to load testing in a production-like environment. We settle your software is optimized and ready for live use, with minimal disruption. The result: a smooth, secure, and confident go-live experience.
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Launch and Maintenance

Even after your product goes live, we stay by your side. STS Software offers ongoing maintenance, performance monitoring, and regular updates to keep your solution running at peak performance. We also provide thorough documentation and knowledge transfer to ensure your in-house team can easily manage and operate the software.

Industry Insights from Our Experts

FAQs

In-house development comes with hidden costs like recruitment, onboarding, benefits, and potential delays can quickly add up. Outsource software development firm offers significant savings, especially when partnering with skilled teams in lower-cost regions. Factors like hourly rates, team performance, and transition logistics all influence the final cost. STS Software helps you balance quality and affordability with expert guidance.

Start by assessing your in-house team’s strengths and what your project really needs. If you're short on expertise or managing a large, complex task, a dedicated team may be ideal. For smaller scopes that need specialized skills, staff augmentation works well. If you're looking to fully offload development, full software outsourcing is your best bet. Still unsure? Talk to STS Software, we’ll help you choose the model that makes the most sense for your business.

When companies looking to outsource software development, there are three main models: onshore, nearshore, and offshore.

  • With onshore outsourcing, you work with a team in the same country, like STS Software, giving you real-time collaboration, shared language and culture, and tighter control over the project. It's a great fit for companies that value close alignment and fewer communication barriers. STS Software, a software development outsourcing companies in USA, offers onshore outsourcing backed by local expertise and strong project control, giving you peace of mind and quality delivery.
  • Nearshore outsourcing involves working with nearby countries, offering a middle ground between cost savings and accessibility.
  • Offshore outsourcing, often the most cost-effective option, means partnering with distant teams. While it saves money, it may come with time zone differences and communication challenges.

STS Software delivers both new application development and modernization of existing systems to meet evolving business demands. Our team brings deep expertise across a wide range of software types, including ERP, CRM, financial management, supply chain solutions, asset and fleet management systems, data analytics platforms, eCommerce solutions, eLearning software, and custom web portals. Whether you're building from scratch or upgrading systems, we can create a solution that fits your exact needs.

Contact STS Software to explore personalized guidance on developing software solutions for your needs.

STS Software follows a strict process to deliver secure, high-quality software solutions. Our quality assurance practices combine manual and automated testing, reinforced by ISO 9001-certified management standards to ensure every release meets expectations.

We take security seriously, implementing ISO 27001-compliant protocols including secure coding practices, penetration testing, and access control. All projects adhere to industry regulations such as GDPR and HIPAA to prevent risks and safeguard your data.

To maintain performance and prevent issues, we conduct regular code reviews and continuous monitoring throughout the development lifecycle. Our post-launch support provides long-term protection through timely updates, security patches, and bug fixes.

Power Up Your Projects with Proven Outsourcing Solutions

Unlock the full potential of your software projects with STS Software’s end-to-end outsourcing services. Let's build something exceptional together!
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