Senior React Native Developer

Endava

1d•Onsite

About The Position

Development is the largest discipline at Endava. Our developers design, build, and release software products in multiple programming languages, frameworks, and libraries. Always collaborating with cross-functional project teams, our developers are adaptable problem-solvers with a client-oriented mindset. A Development Consultant understands the technical landscape of IT projects, comprehends the business context and goals, and uses their experience to develop optimal solutions, including technology and design choices. They support the project manager in planning software delivery, articulate the vision to both technical and non-technical stakeholders, and work directly with customers to define solutions. This role is available on a full-time employment contract (UoP) and requires the willingness to work from our office in Kraków, Warsaw or Gdańsk.

Requirements

5+ years of experience in React Native/React development.
Strong understanding of engineering principles and best practices in mobile application development.
Experience developing and deploying applications in a cloud-native environment.
Strong background in state management (Redux, Recoil, Zustand, or similar).
Expertise in unit and integration testing frameworks (Jest, React Testing Library, Detox, etc.).
Familiarity with CI/CD pipelines, Git workflows, and release management for mobile apps.
Experience working in agile environments (Scrum, Kanban).
Strong communication skills with the ability to engage technical and non-technical stakeholder

Nice To Haves

Experience with financial apps, wallets, etc.
Experience with Backend-for-Frontend (BFF) architectures and GraphQL.
Knowledge of server-side technologies such as Node.js or Python.
Exposure to PostgreSQL, NoSQL, or graph databases.
Experience with Docker and Kubernetes for containerized deployments.

Responsibilities

Develop and implement high-performance React Native applications.
Write reusable, testable, and efficient code that aligns with best practices in React Native development.
Work with backend APIs, authentication systems, and media streaming services to integrate robust and scalable solutions.
Optimize app performance for smooth streaming, low latency, and efficient memory usage.
Analyze application health, performance metrics, and troubleshoot critical issues.
Collaborate closely with product, UX/UI, and backend teams to ensure seamless cross-platform functionality.
Work in an agile (Scrum/Kanban) environment, ensuring timely and high-quality deliverables.