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We've delivered staff augmentation to hundreds of organizations, helping them increase efficiency, scale faster and succeed in competitive markets. Companies like Pinterest, Bloomberg, BCG, and Court Avenue trust us to provide talent that enables faster time-to-market and operational efficiency.
Are you struggling to find expert Yii developers who can build, maintain, or modernize your critical web applications? The search for reliable talent can delay roadmaps, inflate budgets, and introduce security risks, leaving you unable to scale effectively.
At Developers.dev, we eliminate these challenges. We provide a dedicated ecosystem of over 1000 vetted, in-house technology experts, delivering CMMI Level 5 quality Yii development services. We don't just write code; we build secure, high-performance digital assets that drive your business forward, ensuring your project is delivered on time and on budget, with the technical excellence you demand.
You need a partner who delivers more than just code. You need certainty, security, and a clear path to success. Here's why industry leaders choose us for their critical Yii projects.
We operate at the highest level of process maturity. This means predictable delivery, consistent quality, and a dramatic reduction in bugs and rework, saving you time and money over the project's lifecycle.
We don't use freelancers. Our 1000+ professionals are full-time employees who have passed our rigorous vetting process. You get a dedicated, accountable team committed to your success.
When you hire a Yii developer, you get the collective brainpower of our entire organization. Our UI/UX designers, QA automation engineers, DevOps specialists, and security analysts are all available to ensure your project is a comprehensive success.
As a SOC 2 and ISO 27001 certified company, we build security into every stage of development. Your code and data are protected by audited, enterprise-grade security controls, and you receive full IP ownership.
We leverage cutting-edge AI tools for code analysis, quality assurance, and workflow automation. This allows our expert developers to work faster, smarter, and deliver even more robust and reliable code.
Our developers are trained to integrate directly into your existing teams and workflows. With guaranteed timezone overlap and expertise in Agile, Jira, and Slack, it feels like they're working right down the hall.
You get complete visibility into the project's progress. Through daily stand-ups, detailed reporting, and direct access to the team, you are always in control and fully informed.
Start with confidence. We offer a 2-week paid trial to ensure a perfect fit. If any team member isn't meeting expectations, our free-replacement guarantee has you covered with zero-cost knowledge transfer.
With over 17 years in business, 3000+ successful projects, and a 95% client retention rate, we have a long history of delivering results for clients ranging from high-growth startups to Fortune 500 enterprises.
We offer a full spectrum of Yii development services designed to support your application's entire lifecycle. From initial concept to ongoing maintenance, our expert teams provide future-ready solutions that deliver tangible business value.
We build bespoke web applications from the ground up, tailored precisely to your business processes. Our solutions are secure, scalable, and designed for high performance, ensuring your application can grow with your business.
Is your application stuck on an outdated version of Yii or another PHP framework? We specialize in seamless migrations to the latest, most secure version of Yii, revitalizing your application with improved performance, enhanced security, and modern capabilities.
We create robust, secure, and well-documented RESTful APIs to power your mobile applications, single-page applications (SPAs), and third-party integrations. Our API-first approach ensures your backend is flexible and ready for any frontend.
Leverage Yii's performance to build custom e-commerce platforms, B2B/B2C portals, and online marketplaces. We integrate payment gateways, shipping providers, and ERP systems to create a complete, end-to-end commerce solution.
Instantly scale your development capacity. We provide vetted, expert Yii developers and full cross-functional PODs (including QA, UI/UX, DevOps) that integrate seamlessly with your in-house team to accelerate your roadmap.
Ensure your application remains secure, up-to-date, and running at peak performance. Our dedicated support teams provide ongoing maintenance, bug fixes, security patching, and performance monitoring.
Is your Yii application slow or struggling under load? Our experts conduct in-depth performance audits, identify bottlenecks in code and database queries, and implement optimizations to deliver a lightning-fast user experience.
Protect your application and user data from threats. We perform comprehensive security audits based on OWASP Top 10, identify vulnerabilities, and implement robust security measures to harden your Yii application against attacks.
We build powerful, custom Content Management Systems (CMS) and multi-tenant SaaS platforms using Yii. Get a system that gives you full control over your content and user management, tailored to your specific business model.
Create modern, dynamic user experiences by pairing a high-performance Yii backend with leading frontend frameworks. We specialize in integrating Yii with Vue.js, React, and Angular to build fast, interactive SPAs and web applications.
Develop the robust backend needed to manage and process data from thousands of IoT devices. We use Yii to build scalable platforms for device management, data ingestion, and analytics in the IoT space.
Integrate security and operational excellence directly into your development pipeline. We implement CI/CD, automated testing, and infrastructure-as-code to ensure your Yii application can be deployed quickly, reliably, and securely.
Build secure and compliant financial applications. We leverage Yii's robust features to develop lending platforms, payment gateways, and insurance portals that meet the stringent security and reliability demands of the FinTech industry.
Develop HIPAA-compliant healthcare platforms with confidence. We use Yii to build secure patient portals, telemedicine applications, and EMR/EHR systems, backed by our SOC 2 certified processes.
Seamlessly connect your Yii application with your existing enterprise systems. We specialize in integrating with CRMs (Salesforce), ERPs (SAP), and other third-party services to create a unified, efficient technology ecosystem.
Enhance your Yii application with intelligent features. We integrate AI/ML models to provide capabilities like recommendation engines, predictive analytics, natural language processing (NLP), and chatbots.
We believe our success is a direct reflection of our clients' success. But don't just take our word for it. Read what our partners, from fast-growing startups to global enterprises - have to say about their experience with our team, our process, and the results we've delivered together.
"We needed to build out a new multi-tenant module for our SaaS platform, and our in-house team was swamped. Developers.dev provided a dedicated Yii POD that integrated with our team from day one. Their technical expertise was top-notch, but what truly impressed us was their CMMI Level 5 process. The code quality was exceptional, and the project was delivered ahead of schedule. They are more than a vendor; they are a genuine technology partner."
"Our legacy e-commerce site was built on Yii 1 and was slow, insecure, and impossible to update. The team at Developers.dev executed a flawless migration to the latest version of Yii. They not only modernized the platform but also optimized performance, leading to a 30% increase in conversion rates. Their communication and project management were impeccable, despite the time difference. I can't recommend them enough."
"As a healthcare startup, HIPAA compliance and data security were our biggest concerns. We chose Developers.dev because of their SOC 2 and ISO 27001 certifications. They built our patient portal using Yii, and their attention to security detail was incredible. They understood the unique challenges of the healthcare space and delivered a robust, compliant, and user-friendly platform that has been central to our success."
"We used Developers.dev for staff augmentation to bolster our internal Yii development team for a critical project. The developers they provided were highly skilled, professional, and required minimal onboarding. They contributed significantly from the first sprint. The flexibility of their model and the quality of their talent made a huge difference in hitting our tight deadlines."
"We needed to build a complex REST API to power our new mobile application. The Developers.dev team architected and built a high-performance, scalable API using Yii. The documentation was thorough, and the API has been incredibly reliable, handling millions of requests per day without issue. Their collaborative approach and proactive communication made the entire process smooth and efficient."
On to Enhance the lives of Billions of users through Profound technology solutions.
E-commerce & Retail
Legacy Yii 1 Migration Boosts Performance by 300% and Increases Conversion by 30% for a Mid-Market E-commerce Client
View Case Study
Financial Technology (FinTech)
FinTech Startup Achieves Market Launch in 6 Months with a Secure, Multi-Tenant Yii-Powered SaaS Platform
View Case Study
Logistics & Supply Chain
Enterprise Logistics Firm Reduces Operational Errors by 40% with a Custom Yii-Powered Management Portal
View Case Study
We believe in a transparent, collaborative, and results-driven process that ensures your project is a success from start to finish. Our CMMI Level 5 certified methodology is designed to minimize risk, maximize efficiency, and deliver a final product that exceeds your expectations.
We understand your concern, as it's a common issue in the industry. That's precisely why we built Developers.dev differently. We operate at CMMI Level 5, the highest appraisal for process maturity, ensuring predictable, high-quality outcomes. All our 1000+ developers are full-time, in-house employees, not freelancers, fostering a culture of accountability. You'll have a dedicated project manager in your timezone, daily stand-ups, and complete transparency through tools like Jira and Slack. We mitigate your risk further with a 2-week paid trial and a free-replacement guarantee. We don't just promise quality; we prove it.
You're right to focus on total cost of ownership, not just the hourly rate. A cheaper, less experienced developer can cost you significantly more in the long run through buggy code, security vulnerabilities, and missed deadlines. When you partner with us, you're not just hiring a developer; you're integrating an entire ecosystem. This includes QA, DevOps, security experts, and project management, all backed by our CMMI 5 processes, at no extra line-item cost. This integrated approach prevents costly rework and ensures your project is built right the first time, delivering a much higher ROI.
Our Answer: Our vetting process is rigorous. Only the top 3% of applicants make it onto our team. Our Yii developers have an average of 5+ years of experience specifically with the framework, working on complex projects from legacy Yii 1 migrations to building scalable Yii 2/3 applications from scratch. We can share anonymized case studies and technical deep-dives relevant to your industry. During our consultation, we can even arrange a technical discussion with one of our senior Yii architects so you can validate their expertise directly.
We've perfected the global delivery model over 17 years, serving a 70% US-based clientele. We guarantee a minimum of 4-6 hours of overlap with your workday, ensuring seamless collaboration for meetings, code reviews, and real-time problem-solving. Our processes are built around asynchronous communication for efficiency, but we are always available during the overlapping hours for the critical, synchronous work your team needs. It's a model designed to give you the cost benefits of offshoring with the feel of an in-house team.
Your security is our highest priority. We are SOC 2 and ISO 27001 certified, which means our security controls are audited and verified by third parties. We sign a comprehensive NDA before any discussion, and our contracts include full IP transfer clauses, ensuring you own 100% of the code upon final payment. Our delivery centers have strict access controls, and all developers work on secure, monitored networks. We don't just comply with best practices; we are certified for them.
Our engagement models are designed for the flexibility your business needs. Our Staff Augmentation and Dedicated POD models allow you to scale your team with as little as two weeks' notice. Whether you need to add a single Yii developer to your existing team or build out a full cross-functional POD with backend, frontend, QA, and DevOps, we can accommodate. This agility allows you to respond to market demands without the long-term commitment and overhead of direct hires.
This is a valid concern, and we have a straightforward, no-cost solution. We offer a free-replacement guarantee. If, for any reason, a developer is not meeting your expectations, we will provide a suitable replacement and facilitate a complete knowledge transfer at zero cost to you. Our 95% employee and client retention rates mean this is rare, but the guarantee is there for your complete peace of mind.
We use a curated stack of modern, powerful, and reliable technologies to build our enterprise-grade Yii applications. This ensures your project is built on a foundation of excellence.
Yii 2/3 | PHP 8+ | Nginx | Apache. The engine of your application, our backend is built for performance and reliability using the most powerful server-side technologies.
NoSQL structure | MySQL | PostgreSQL | MariaDB | MongoDB. We architect robust data storage solutions tailored to your needs, whether you require a classic relational database or a flexible
Vue.js | React | Angular | Bootstrap. We create responsive, intuitive, and lightning-fast user interfaces using the world's leading front-end frameworks and libraries.
Redis | Memcached. To ensure maximum speed and responsiveness, we implement advanced caching solutions that dramatically reduce data retrieval times.
Amazon Web Services (AWS) | Google Cloud Platform (GCP) | Docker | Kubernetes. We embrace modern DevOps practices to automate workflows and deploy your application on secure, scalable, and world-class cloud infrastructure.
PHPUnit | Codeception | Selenium | Postman. Quality is paramount. We utilize a comprehensive suite of testing tools to ensure your application is bug-free, secure, and performs flawlessly.
Jira | Confluence | Slack | Microsoft Teams. We ensure transparent, efficient, and seamless communication throughout the project lifecycle with industry-leading collaboration tools.
Jenkins | GitLab CI | Bitbucket Pipelines. Our automated CI/CD pipelines enable rapid, reliable, and consistent code integration and deployment, accelerating your time-to-market.
Our Yii development expertise is not limited to a single vertical. We have a proven track record of delivering powerful, industry-specific solutions for a wide range of sectors.
Building scalable, multi-tenant platforms and complex web applications.
Developing high-performance custom e-commerce sites, B2B portals, and marketplaces.
Creating secure, HIPAA-compliant patient portals, EMR systems, and telemedicine platforms.
Engineering secure lending platforms, payment systems, and insurance applications.
Building custom management portals for fleet, inventory, and warehouse operations.
Developing robust Learning Management Systems (LMS) and online training platforms.
Creating content management systems and high-traffic web portals.
Building custom CRM systems, property management portals, and listing platforms.
We offer a range of engagement models designed to provide the flexibility, control, and value your project demands. Each model is tailored to different needs, ensuring a perfect fit for your business goals and budget.
This model is ideal when you need to extend your existing team with specific skills. We provide vetted, expert Yii developers who work exclusively for you, under your management, as a seamless extension of your in-house team.
Go beyond a single developer with a complete, self-managed Product-Oriented Delivery (POD) team. A typical POD includes Yii developers, a QA engineer, a UI/UX designer, and a part-time project manager, providing an entire ecosystem of expertise to own a project or feature from start to finish.
Perfect for projects where the scope is dynamic or not fully defined at the outset. You pay an agreed-upon hourly or monthly rate for the actual time our team spends on your project. This model offers maximum flexibility to adapt to changing requirements.
When your project scope, requirements, and timeline are clearly defined, our fixed-fee model provides a predictable budget and outcome. We agree on a fixed price for the entire project, ensuring there are no financial surprises.
When making a critical technology investment, the hourly rate is only a small part of the story. While freelancers or traditional body shops can appear less expensive upfront, the hidden costs of inconsistent quality, unforeseen security gaps, and project delays can quickly balloon your total cost of ownership. A single unvetted developer can introduce technical debt that costs multiples of their rate to fix down the line.
Our ecosystem model is built to prevent this. When you engage one of our Yii developers, you're not just getting a coder; you're integrating a CMMI Level 5 certified process with built-in QA, DevOps, and security oversight at no extra line-item cost. It's the difference between hiring a single musician and commissioning an entire orchestra. The result is a predictable, secure, and high-quality digital asset delivered correctly the first time, leading to a demonstrably higher ROI.
In modern software engineering, the question isn't if you should use AI, but how you use it to create a competitive advantage. We have integrated advanced AI and machine learning tools directly into our CMMI Level 5 development workflow, transforming how we build, test, and secure your Yii applications. This isn't a gimmick; it's a core component of our commitment to delivering unparalleled efficiency and quality.
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Our developers utilize AI-powered tools for intelligent code completion, automated generation of boilerplate code, and rapid scaffolding of new modules. This eliminates repetitive tasks, allowing our experts to focus on complex business logic and high-value features, significantly shortening your time-to-market.
Before a human even begins a code review, our AI assistants analyze every line of code in real-time. They identify potential bugs, suggest performance optimizations, and flag deviations from best practices. This continuous, automated feedback loop results in cleaner, more maintainable, and highly efficient code from the very first commit.
We employ AI-driven security scanners directly within the IDE. These tools are trained on vast datasets of vulnerabilities and can detect potential security flaws like SQL injection, cross-site scripting (XSS), and insecure configurations as the code is being written. This proactive approach hardens your application's security posture from the ground up, rather than treating it as an afterthought.
By augmenting our world-class developers with the power of AI, we offer a partnership that is not only reliable and mature but also at the absolute cutting edge of technology.
The monolithic era is over. Today's users demand seamless, dynamic experiences across a multitude of devices, from desktops to mobile apps. This requires a shift to a headless, API-first architecture, where a powerful backend serves data to any front-end. We specialize in architecting high-performance, secure RESTful APIs using Yii that serve as the central nervous system for your digital ecosystem.
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Yii is engineered for speed. Its efficient caching mechanisms, lean core, and Gii code generation tools allow us to build blazing-fast API endpoints that can handle high-volume traffic, ensuring your React, Vue, or Angular application feels incredibly responsive.
In a decoupled architecture, API security is paramount. Yii provides a robust, out-of-the-box security framework that includes authentication, authorization, input validation, and protection against common vulnerabilities (SQL injection, XSS), safeguarding your data at its source.
We leverage Yii's rich feature set, including robust routing, ORM, and integrated testing support, to rapidly develop and deploy well-structured, maintainable, and thoroughly documented APIs. This accelerates your entire product lifecycle, from development to launch.
Whether you're building a dynamic Single Page Application (SPA) with React.js, a progressive web app with Vue.js, or native iOS and Android mobile apps, our Yii-powered backends provide the flexible, scalable, and secure foundation you need to succeed.
On to Enhance the lives of Billions of users through Profound technology solutions.
The cost varies significantly based on the project's complexity, scope, and the engagement model you choose. A simple project might start in the low five figures, while a complex enterprise platform can be a multi-year, seven-figure investment. We provide a detailed, transparent estimate after our initial discovery and consultation. Contact us for a free, no-obligation quote tailored to your specific needs.
Our process is designed for speed. Typically, we can present you with profiles of vetted, available developers within 48-72 hours. From there, the onboarding process usually takes about one week. You can have an expert Yii developer integrated into your team in as little as 1-2 weeks from your initial request.
Yii remains an excellent choice for applications that require high performance, robust security, and rapid development. Its strict adherence to the MVC pattern, extensive security features, and powerful caching capabilities make it ideal for complex, data-intensive applications like e-commerce sites, portals, and enterprise systems. It provides a stable, long-term foundation for critical business applications.
Absolutely. Our Staff Augmentation model is specifically designed for this. Our developers are experts at integrating into existing teams, adopting your workflows, and collaborating effectively using tools like Jira, Slack, and Git. We act as a flexible extension of your team, providing the specific skills you need to accelerate your projects.
We offer flexible, ongoing support and maintenance packages to ensure your application remains secure, updated, and optimized. Our services range from basic monitoring and security patching to 24/7 critical support and a dedicated team for developing new features. We believe in long-term partnerships.
Quality is ingrained in our CMMI Level 5 process. We enforce strict coding standards, conduct mandatory peer code reviews for all changes, maintain a comprehensive suite of automated tests (unit, integration, and E2E), and have a dedicated QA team that works alongside our developers. This multi-layered approach ensures we deliver clean, maintainable, and robust code.
Stop letting talent shortages and technical challenges hold you back. Whether you need to modernize a legacy system, build a groundbreaking new platform, or scale your existing team, our ecosystem of expert Yii developers is ready to help you succeed.
Partner with a CMMI Level 5, SOC 2 certified company that guarantees results. Let's discuss your project and build something remarkable together.
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