Contact RN 42 IT Services
Get a custom proposalYour Partner in Modern Software Solutions
At RN42 IT Services, we combine over 7 years of hands-on expertise to deliver modern, high-quality software that empowers businesses across sectors like fintech, healthcare, e-commerce, and B2B platforms.
We help our clients build, scale, and maintain web and mobile applications through a focus on clean architecture, performance optimization, and exceptional user experience.
🌐 Frontend Development
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React.js & Next.js Applications:
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Development of modern SPAs and SSR websites with a strong focus on performance, SEO, and maintainability.
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Expertise in Tailwind CSS, Styled Components, CVA, and Storybook.
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Integration with REST and GraphQL APIs.
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Implementation of atomic and reusable components.
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React Native Mobile Apps:
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Cross-platform apps for iOS and Android, leveraging React Native, Expo, and advanced state management (Redux, Redux Saga, RTK Query).
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Integration of Google Maps, geolocation, and offline-first capabilities.
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Build processes for APK/IPA deployment, OTA updates, and CI/CD pipelines.
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🛠️ Backend Development
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Python & Node.js Services:
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RESTful APIs and microservices using FastAPI, Django, and NestJS.
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High-performance data workflows and integrations across multiple data sources (e.g., PagSeguro’s B2B ecosystem).
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Use of OpenAPI for clear contract definitions between frontend and backend.
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Docker containerization for scalable deployments.
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✅ Testing & Quality Assurance
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Unit and Integration Testing:
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Using Jest, Cypress, Vitest, and React Testing Library.
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Code Quality:
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Static analysis and monitoring with SonarQube.
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Emphasis on Clean Code principles and design patterns.
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💡 UX-Driven Development
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Design Implementation:
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Transforming Figma designs into pixel-perfect, accessible interfaces.
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User-Centric Flows:
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Examples like the Lia Example, where frictionless OTP flows were designed for elderly users.
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Collaborative wireframing practices (Trek Design) to align expectations when design sprints were not available.
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Min project size
Undisclosed
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Hourly rate
$50 - $99 / hr
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Employees
Freelancer
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Year founded
Founded 2023
Service Lines
- Computer Engineering
- 20%
- UX/UI Design
- 20%
- Web Design
- 20%
- Web Development
- 20%
Select Focus Area
- Application Platforms
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- Amazon Application Development Framework
- 20%
- Azure Platform
- 20%
- Other app platform
- 20%
- Windows server
- 20%
- User Experience Focus
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- User Research
- 50%
- UX Strategy
- 30%
Industries
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Clients
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