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Senior React Native Developer

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Onsite

Senior React Native Developer

StepTo

Senior React Native Developer

Skills

FirebaseMobile DevelopmentReactTypescriptIOSReact NativeAIAWSComplianceJavascript

1 month ago

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Important information


Contract type:

Permanent

Location:

Belgrade, Serbia

Work mode:

Onsite

Published on:

9 September 2026

What they need


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StepTo/Careers/Senior React Native Developer

Senior React Native Developer

Senior

  • Hybrid
  • Full-time

← All open positions

Senior Hybrid

  • Belgrade Full-time

About The Role We're looking for an experienced Senior React Native Developer to join a growing health-tech team and lead the development of a modern mobile platform. You'll work closely with product managers, designers, and backend engineers to build high-performance, reliable, and user-friendly mobile applications that improve the health benefits experience.

This is a senior, hands-on engineering role where you'll have a strong impact on the product and technical direction. You'll be responsible for delivering new features, optimizing application performance, maintaining high code quality, and helping shape the future of a technology-driven healthcare platform.

What You'll Do

  • Design, develop, and maintain high-quality mobile applications using React Native.
  • Lead the development and delivery of new mobile features from concept to production.
  • Collaborate closely with product managers, designers, and backend engineers to define and implement solutions.
  • Ensure applications are fast, reliable, responsive, and easy to maintain.
  • Integrate RESTful APIs, third-party services, libraries, and other external systems.
  • Diagnose and resolve bugs, crashes, and performance bottlenecks.
  • Maintain clean, scalable, and well-documented code.
  • Contribute to testing, automation, and continuous improvements to the development process.
  • Mentor and support junior developers, sharing best practices and technical knowledge.
  • Stay up to date with the latest React Native, mobile development, and healthcare technology trends.
  • Contribute to technical and architectural decisions as the platform evolves.

What We're Looking For

  • 5+ years of professional experience in mobile application development.
  • Strong hands-on experience with React Native and its core principles.
  • Strong proficiency in JavaScript and TypeScript.
  • Experience building and maintaining production mobile applications for both iOS and Android.
  • Experience working with RESTful APIs and third-party libraries or services.
  • Familiarity with AWS and/or Firebase.
  • Experience with CI/CD pipelines and mobile application release processes.
  • Hands-on experience with App Store and Google Play deployment.
  • Strong understanding of mobile application performance, debugging, and optimization.
  • Ability to write clean, maintainable, scalable, and well-documented code.
  • Strong problem-solving skills and attention to detail.
  • Ability to work independently and take ownership of technical challenges.
  • Excellent written and spoken English.
  • Passion for healthcare technology and building products that have a meaningful impact on people's lives.
  • Nice to have: experience working on healthcare, health-tech, or employee benefits platforms.
  • Nice to have: knowledge of HIPAA compliance and healthcare data security best practices.
  • Nice to have: experience with native iOS or Android development.
  • Nice to have: experience working in a startup or fast-paced product environment.
  • Nice to have: familiarity with modern mobile testing frameworks and development tools.

What We Offer

  • Work on a meaningful health-tech product designed to improve people's health and well-being.
  • Competitive salary and equity options.
  • Flexible working hours.
  • The opportunity to work closely with product, design, and engineering teams.
  • A senior-level role with real ownership and influence over the product.
  • The opportunity to grow with the company and help shape the future of healthcare technology.

Ready to Apply?

Applying takes one email: send your CV and a short note to StepTo and we will come back to you about next steps.

Apply Now →

Or simply send us your CV to [email protected]

StepTo/Careers/Senior React Native Developer

Senior React Native Developer

Senior

  • Hybrid
  • Full-time

← All open positions

Senior Hybrid

  • Belgrade Full-time

About The Role We're looking for an experienced Senior React Native Developer to join a growing health-tech team and lead the development of a modern mobile platform. You'll work closely with product managers, designers, and backend engineers to build high-performance, reliable, and user-friendly mobile applications that improve the health benefits experience.

This is a senior, hands-on engineering role where you'll have a strong impact on the product and technical direction. You'll be responsible for delivering new features, optimizing application performance, maintaining high code quality, and helping shape the future of a technology-driven healthcare platform.

What You'll Do

  • Design, develop, and maintain high-quality mobile applications using React Native.
  • Lead the development and delivery of new mobile features from concept to production.
  • Collaborate closely with product managers, designers, and backend engineers to define and implement solutions.
  • Ensure applications are fast, reliable, responsive, and easy to maintain.
  • Integrate RESTful APIs, third-party services, libraries, and other external systems.
  • Diagnose and resolve bugs, crashes, and performance bottlenecks.
  • Maintain clean, scalable, and well-documented code.
  • Contribute to testing, automation, and continuous improvements to the development process.
  • Mentor and support junior developers, sharing best practices and technical knowledge.
  • Stay up to date with the latest React Native, mobile development, and healthcare technology trends.
  • Contribute to technical and architectural decisions as the platform evolves.

What We're Looking For

  • 5+ years of professional experience in mobile application development.
  • Strong hands-on experience with React Native and its core principles.
  • Strong proficiency in JavaScript and TypeScript.
  • Experience building and maintaining production mobile applications for both iOS and Android.
  • Experience working with RESTful APIs and third-party libraries or services.
  • Familiarity with AWS and/or Firebase.
  • Experience with CI/CD pipelines and mobile application release processes.
  • Hands-on experience with App Store and Google Play deployment.
  • Strong understanding of mobile application performance, debugging, and optimization.
  • Ability to write clean, maintainable, scalable, and well-documented code.
  • Strong problem-solving skills and attention to detail.
  • Ability to work independently and take ownership of technical challenges.
  • Excellent written and spoken English.
  • Passion for healthcare technology and building products that have a meaningful impact on people's lives.
  • Nice to have: experience working on healthcare, health-tech, or employee benefits platforms.
  • Nice to have: knowledge of HIPAA compliance and healthcare data security best practices.
  • Nice to have: experience with native iOS or Android development.
  • Nice to have: experience working in a startup or fast-paced product environment.
  • Nice to have: familiarity with modern mobile testing frameworks and development tools.

What We Offer

  • Work on a meaningful health-tech product designed to improve people's health and well-being.
  • Competitive salary and equity options.
  • Flexible working hours.
  • The opportunity to work closely with product, design, and engineering teams.
  • A senior-level role with real ownership and influence over the product.
  • The opportunity to grow with the company and help shape the future of healthcare technology.

Ready to Apply?

Applying takes one email: send your CV and a short note to StepTo and we will come back to you about next steps.

Apply Now →

Or simply send us your CV to [email protected]

Performance-led engineering

Want senior engineers who move work forward, not just tickets?

Work with accountable, English-fluent professionals who communicate clearly, protect quality, and deliver with a steady operating rhythm. Cost efficiency matters, but performance is why clients stay with us.

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