Sourcebae helps companies hire top Ratpack developers faster by connecting them with pre-vetted, interview-ready talent. Get access to the top 1% of Ratpack experts in days, not months.

150+ brands trust and use Sourcebae to power their hiring processes

Builds and maintains robust backend systems using Ruby for scalable applications. Known for writing clean, maintainable code and solving complex engineering problems.
Works on advanced SQL systems with a strong emphasis on code reasoning and benchmarks. Focused on building data solutions that are both precise and performance-driven.
Expert in designing and optimizing complex database logic and queries. Ensures data accuracy, performance, and scalability across systems.
Specializes in training AI models through detailed video annotation workflows. Plays a key role in improving model accuracy using high-quality visual data.
Works on enhancing LLM behavior through structured agent function calls. Focused on making AI systems more reliable and context-aware across product and engineering teams.
Let us source, vet, and match you with top developers — ready to join your team fast.

Struggling to find the right Ratpack developers? Follow this step-by-step hiring guide to streamline your recruitment and secure top talent efficiently.
Access top-tier, pre-vetted ready-to-be-hired Python developers. Whether you need onsite, hybrid, or remote talent.
No more screening 100s of resumes! Handpick your preferred candidates and have our AI fast-track schedule and conduct interviews for you!
Access our global pool of 500k+ pre-vetted extensive talents and save up to 92% hiring costs compared to traditional hiring.
Get hands-on help from our team of experienced whenever needed and hire Python Programmers confidently.
At Sourcebae, we assist you in overcoming the number one challenge when it comes to hiring: finding the right talent. Here’s how you can effortlessly hire with us:

A Ratpack developer specializes in building web applications using the Ratpack framework, a lightweight and flexible tool for Java-based development. Ratpack is designed for creating high-performance applications, providing a simple and intuitive API that allows developers to handle asynchronous programming with ease. This framework is particularly popular for developing microservices and RESTful APIs, enabling rapid deployment and scalability. Ratpack developers leverage features like dependency injection, testing support, and built-in server capabilities to streamline the development process. Their expertise helps organizations create responsive applications that can efficiently handle high loads while maintaining a clean and maintainable codebase.
A Ratpack developer specializes in building modern web applications using the Ratpack framework, which is designed for high performance and scalability. This lightweight, responsive framework leverages the Groovy programming language and asynchronous programming, allowing developers to create efficient and modular applications. Ratpack developers work closely with teams to design architecture, implement features, and ensure that applications are robust and maintainable. They must be proficient in web technologies, understand RESTful services, and have a solid grasp of best practices in software development. Their expertise is essential in delivering high-quality applications that meet user needs and business objectives.
Here are five reasons why ratpack is in demand
Ratpack is known for its high performance in handling asynchronous requests, making it ideal for modern web applications. As a Ratpack developer, you can leverage its non-blocking architecture to create responsive and efficient applications. This performance advantage appeals to businesses looking to deliver seamless user experiences, driving increased demand for skilled developers.
With built-in support for reactive programming, Ratpack enables developers to build applications that are scalable and resilient. Ratpack developers can implement real-time data processing and event-driven architectures with ease. This contemporary approach to software design meets the needs of businesses that require flexibility and speed, enhancing the demand for expertise in Ratpack.
Ratpack simplifies the development process with its concise, expressive DSL Domain-Specific Language for building web applications. As a Ratpack developer, you can enjoy reduced boilerplate code, allowing for rapid prototyping and easier maintenance. This simplicity attracts organizations that want to speed up their development cycles and deliver features faster.
The framework easily integrates with a variety of libraries and tools, such as Spring and Hibernate, making it versatile for different application requirements. A Ratpack developer can facilitate smoother project transitions and harness existing codebases efficiently. This capability is essential for businesses adapting their technology stacks, increasing the demand for knowledgeable Ratpack developers.
Ratpack boasts a robust community of developers who actively contribute to its growth. Joining this community as a Ratpack developer provides access to a wealth of resources, tutorials, and updates. This strong support network fosters collaboration, making it an attractive choice for organizations and enhancing the demand for talented developers in the ecosystem.
When you choose to hire Ratpack developers, you gain access to professionals who are well-versed in asynchronous programming paradigms. Ratpack is designed to streamline the process of creating high-performance applications that can handle a multitude of concurrent connections. Developers proficient in Ratpack utilize its non-blocking I/O capabilities to build scalable web applications that respond quickly to user interactions. This expertise ensures that your application can handle heavy loads without compromising on performance, making it an ideal choice for businesses that anticipate rapid growth or high traffic.
One of the significant advantages of hiring Ratpack developers is their ability to speed up the development cycle. Ratpack emphasizes a modular architecture, which allows developers to build and deploy applications faster than traditional frameworks. By utilizing features such as configuration over convention and a simple DSL Domain Specific Language, Ratpack developers can quickly prototype and iterate on your application. This agility not only enhances productivity but also enables businesses to adapt to changing market demands more swiftly. As a result, you can bring your product to market faster while maintaining a high quality of service.
Ratpack is built on top of the Java ecosystem, which means that hiring Ratpack developers provides you with professionals who can integrate your application with various Java libraries and frameworks effortlessly. This compatibility ensures that your application can leverage mature technologies for tasks such as data persistence, security, and cloud integration. Developers who specialize in Ratpack understand how to maximize its functionality while utilizing existing Java tools, making it easier for your project to benefit from the extensive capabilities of the Java platform. This approach not only enhances the robustness of your application but also minimizes potential compatibility issues.
When you hire Ratpack developers, you are investing in a team that prioritizes testing and quality assurance. Ratpack has built-in support for testing, allowing developers to write and execute tests efficiently. This focus on automated testing ensures that your application remains stable and bug-free throughout the development process. Developers familiar with Ratpack leverage testing frameworks to validate code changes and ensure that new features do not introduce regressions. By emphasizing quality from the outset, your project benefits from fewer post-launch issues, reducing the cost and time spent on maintenance and fixing bugs.
Hiring Ratpack developers means you are tapping into a growing community that is dedicated to enhancing the framework. Ratpack has a vibrant ecosystem of contributors who actively work on improving its capabilities, providing updates, and creating plugins that extend its functionality. Developers who are part of this community are often up-to-date with the latest trends, best practices, and tools associated with Ratpack. Their engagement with the community enables them to bring innovative solutions to your project, ensuring that your application is built on the most current technologies and methodologies. This ongoing dialogue within the community fosters an environment of continuous improvement, which ultimately benefits your project. In summary, choosing to hire Ratpack developers equips your project with the right skill set, enabling you to harness the full potential of cross-platform development while optimizing costs and timelines for your applications.
Ratpack is a reactive, high-performance web framework for the JVM, built for creating scalable and efficient applications using Java or Groovy. Hiring pre-vetted Ratpack developers ensures your projects are handled by professionals with proven expertise in asynchronous programming, modern web architecture, and robust API development. This results in rapid application delivery, exceptional performance, and solutions that can adapt as your business grows.
1. Reactive Programming Expertise Work with developers skilled in building non-blocking, asynchronous applications for maximum responsiveness.
2. High-Performance Solutions Benefit from Ratpack’s lightweight footprint and your developer’s experience in optimizing for speed and efficiency.
3. Java & Groovy Proficiency Access professionals adept in leveraging both Java and Groovy for flexible, robust codebases.
4. RESTful API Development Hire experts at designing and delivering scalable APIs for web, mobile, and third-party integrations.
5. Modular Application Design Enjoy maintainable, easily extendable architectures using Ratpack’s modular approach.
6. Efficient Error Handling Developers experienced in setting up comprehensive error management for resilient applications.
7. Seamless Integration Benefit from talent skilled at integrating Ratpack with databases, microservices, and modern front-end frameworks.
8. Automated Testing & CI/CD Rely on professionals who implement strong testing, continuous integration, and delivery pipelines.
9. Cloud-Ready Deployment Access expertise in deploying Ratpack applications to cloud environments and containerized platforms.
10. Immediate Project Impact Onboard pre-vetted Ratpack developers who can hit the ground running, accelerating project timelines and reducing ramp-up time.
When looking to hire Ratpack developers, it's essential to find professionals who not only possess the right technical skills but also align with your project’s vision and culture. The following guidelines can help you identify and shortlist the best candidates effectively.
Ratpack is a powerful toolkit for building web applications in Java, known for its simplicity, performance, and extensibility. It provides a robust foundation for developing asynchronous applications and microservices. Organizations often seek to hire Ratpack developers to leverage these tools and frameworks effectively for their projects.
When planning to hire Ratpack developers, it is important to evaluate specific technical skills that ensure they can build scalable, high-performance applications. Below are key skills to look for in a Ratpack developer.
Ratpack is built on Java, making strong Java skills essential. Developers should have expertise in Java fundamentals, including object-oriented programming, concurrency, and JVM optimization. When you hire Ratpack developers, ensure they have a solid grasp of Java 8 or higher, as Ratpack leverages modern Java features extensively.
Ratpack supports Groovy, a dynamic language that simplifies coding and enhances productivity. Developers skilled in Groovy can write concise, readable code, speeding up development cycles. Hire Ratpack developers who understand Groovy's syntax, closures, and dynamic typing to maximize the framework's flexibility and efficiency.
Ratpack emphasizes reactive programming principles, enabling asynchronous, non-blocking applications. Developers must understand reactive streams, event-driven architecture, and asynchronous processing. Hire Ratpack developers who can effectively implement reactive patterns, ensuring your applications remain responsive, scalable, and performant under heavy loads.
Ratpack excels at building RESTful APIs, making API design and implementation skills crucial. Developers should understand REST principles, HTTP methods, status codes, and resource-oriented architecture. Hire Ratpack developers who can design intuitive, maintainable APIs, facilitating seamless integration with front-end applications and third-party services.
Effective Ratpack developers must be proficient in dependency injection frameworks like Guice, which Ratpack integrates seamlessly. This skill ensures modular, testable code. Hire Ratpack developers who understand dependency injection concepts and can write comprehensive unit and integration tests, ensuring robust, maintainable applications.
Ratpack projects typically utilize build tools such as Gradle or Maven. Developers should be skilled in configuring and managing these tools to automate builds, testing, and deployment processes. Hire Ratpack developers who can streamline your development workflow, reducing manual tasks and improving overall project efficiency.
Ratpack is designed for high-performance applications, making performance optimization skills essential. Developers should understand JVM tuning, memory management, and profiling tools. Hire Ratpack developers who can identify bottlenecks, optimize resource usage, and ensure your applications deliver consistent, high-speed performance under varying workloads.
Ratpack is ideal for microservices-based applications, requiring developers to understand microservices architecture principles. Developers should be skilled in designing loosely coupled, independently deployable services, and managing inter-service communication. Hire Ratpack developers who can effectively implement microservices, ensuring scalability, resilience, and ease of maintenance.
Effective collaboration is critical in software development. Ratpack developers should be proficient in version control systems like Git, enabling efficient code management, branching strategies, and collaborative workflows. Hire Ratpack developers who understand best practices in version control, ensuring smooth collaboration, code reviews, and continuous integration processes.
Hiring Ratpack developers can significantly enhance your application development projects, bringing efficiency and scalability. Sourcebae provides a flexible pricing model that suits diverse business needs, allowing you to hire Ratpack developers with various skill levels.
1.1 Junior Ratpack Developer $30 - $50 per hour
Ideal for startups or smaller projects, junior developers have a foundational understanding of the framework, suitable for straightforward tasks under supervision.
1.2 Mid-Level Ratpack Developer $50 - $80 per hour
Mid-level developers come with several years of experience, offering a balance of cost-effectiveness and skill. They can handle moderately complex projects with minimal oversight.
1.3 Senior Ratpack Developer $80 - $120 per hour
For complex applications requiring deep knowledge of Ratpack and extensive experience, senior developers are the best choice. They can lead projects and mentor junior team members.
2.1 Junior Ratpack Developer $4,800 - $8,000 per month
A junior developer typically works on improving existing features or documentation under the guidance of senior staff.
2.2 Mid-Level Ratpack Developer $8,000 - $13,000 per month
Mid-level developers are well-suited for ongoing projects, contributing to both backend and frontend tasks while taking on more responsibilities.
2.3 Senior Ratpack Developer $13,000 - $18,000 per month
Senior developers are crucial for high-stakes projects and complex architectures, often acting as project leads. Their salaries reflect their valuable experience and skills.
3.1 Junior Team 3 members $12,000 - $20,000 per month
This team is perfect for smaller-scale projects requiring multiple skill sets at an entry level.
3.2 Mid-Level Team 3 members $20,000 - $30,000 per month
A mid-level team is ideal for companies needing reliable professionals who can manage projects independently and efficiently.
3.3 Senior Team 3 members $36,000 - $54,000 per month
A team of senior developers brings specialized expertise to highly complex projects, ensuring that the strategic direction is met.
4.1 Junior Ratpack Developer $25 - $40 per hour contractual setup
Perfect for project-specific needs, these developers can be brought in for set durations to manage defined tasks.
4.2 Mid-Level Ratpack Developer $45 - $75 per hour contractual setup
Offering a blend of independence and efficiency, mid-level developers are suited for contract roles that require a proactive approach to problem-solving.
4.3 Senior Ratpack Developer $75 - $110 per hour contractual setup
Senior developers are often hired under contract for their leadership in specific projects, providing insights and crucial decision-making capabilities.
4.4 Sourcebae offers competitive pricing structures that ensure flexibility without compromising quality. When you hire Ratpack developers, you benefit from extensive knowledge and expertise, tailored specifically to meet your project requirements. By assessing your budget and project complexity, you can choose from an array of options concerning hourly, monthly, team, or contractual hiring models.
Creating an effective job post for Ratpack developers is crucial to attract the right talent. Here are eight pointers
Have more questions? Contact our support team to get what you need. connect@sourcebae.com
A Ratpack developer specializes in building web applications using the Ratpack framework, a lightweight and flexible tool for Java-based development. Ratpack is designed for creating high-performance applications, providing a simple and intuitive API that allows developers to handle asynchronous programming with ease. This framework is particularly popular for developing microservices and RESTful APIs, enabling rapid deployment and scalability. Ratpack developers leverage features like dependency injection, testing support, and built-in server capabilities to streamline the development process. Their expertise helps organizations create responsive applications that can efficiently handle high loads while maintaining a clean and maintainable codebase.