Software Engineer (React Native)

Posted:
12/14/2025, 8:29:05 PM

Location(s):
Porto, Portugal

Experience Level(s):
Junior ⋅ Mid Level ⋅ Senior

Field(s):
Software Engineering

Software Engineer (React Native)

Software Engineer

Blip is a leading tech company focused on software engineering solutions for sports entertainment.

We operate at scale. As part of Flutter Entertainment, we play an essential role in the Group's goal of becoming the global leader in online sports betting and iGaming, developing innovative products and platforms for over 14 million monthly customers worldwide.
 

We are serious about Tech. We are problem-solvers with big ambitions, keeping a people-first mindset at the core of our work. We prioritize flexibility as we strive to deliver the best technological products and tackle the greatest industry challenges.

Recognizing that everyone brings their own strengths, backgrounds and new perspectives, we empower you to be yourself. That uniqueness shapes the culture of belonging we are so proud of.

The Role
As a React Native Engineer you are part of a Software development team and you'll analyze requirements provided by the team's Product Owner, design and develop technical solutions or processes, do unit testing, maintain and improve production code, contribute to the performance improvement work, keep the projects technical documentation up to date, while minimizing manual processes and providing automated solutions. 

Reporting to a Engineering Manager in a Blip team formed by 4 to 5 Developers and 1 QA, you will use technology as a basis to deliver amazing value to our customers, while scaling our platform to meet the demands of worldwide markets.

What You'll be Doing

  • Design, develop, and maintain mobile applications using React Native as part of an agile team with short iterations and frequent releases.

  • Collaborate with product and engineering teams on planning, architecture, and implementation.

  • Ensure code quality through unit testing, peer reviews, and continuous integration.

  • Identify and implement performance improvements across app components and user experiences.

  • Keep technical documentation up to date and contribute to process automation and improvement.

  • Stay current with emerging technologies and platform updates in React Native, Android, and iOS.

  • Participate in knowledge sharing, technical discussions, and continuous improvement initiatives.

What You'll Bring

  • Awareness or previous experience in using agile methodologies. 

  • Strong experience developing high-quality, performant mobile applications with React Native

  • Solid understanding of JavaScript and TypeScript.

  • Experience integrating with native modules; knowledge of Swift, Objective-C, Java, or Kotlin is a plus.

  • Familiarity with mobile testing frameworks (e.g. Jest, Detox) and automated testing practices.

  • Knowledge of build tools (e.g. NPM, Yarn, Metro Bundler) and Node.js.

  • Strong understanding of clean code principles and design patterns.

  • Exposure to agile methodologies and collaborative software development.

  • Passion for delivering performant, high-quality consumer products.

  • Excellent written and verbal communication skills, with the ability to collaborate effectively.

  • Understanding of mobile app architecture patterns (e.g. React Navigation, Redux state management, API integration).

  • Experience with mobile app deployment (e.g. App Store/Play Store processes, CI/CD for mobile).

  • Knowledge of mobile performance optimization (e.g. Memory Management, Bundle Size, Rendering Optimization).
    Proactiveness and being able to coach and mentor their colleagues.

  • Flexibility, and ability to adapt to changing priorities and rapid change.

This is what you should have. What do we have, you ask? Well...you can check our  amazing perks & benefits  right  here !  So ... are you in? 
 

Equal opportunities

At Blip, we are committed to creating a diverse and inclusive workplace. We strongly encourage people from all backgrounds,  ways of thinking and working to apply. We are committed to including everyone  regardless of their race, disability, age, gender identity, sexual orientation, and religion. 
Everyone brings different perspectives and experiences; you don’t have to meet all the requirements listed to apply for this role.


If you need any adjustments to apply for the position and to ensure this role aligns with your needs, please send an email to  [email protected] .

We will only respond to inquiries related to disabilities.

Blip

Website: https://blip.pt/

Headquarter Location: Porto, Lisboa, Portugal

Employee Count: 251-500

Year Founded: 2009

IPO Status: Private

Industries: Information Technology ⋅ Internet ⋅ Software ⋅ Software Engineering ⋅ Web Apps