Senior React Native Developer at Endava · Warsaw

Company Description

Technology is our how. And people are our why. For over two decades, we have been harnessing technology to drive meaningful change.

By combining world-class engineering, industry expertise and a people-centric mindset, we consult and partner with leading brands from various industries to create dynamic platforms and intelligent digital experiences that drive innovation and transform businesses.

From prototype to real-world impact - be part of a global shift by doing work that matters.

Job Description

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.

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.

Qualifications

Qualifications

• 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 have:

• 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.

Additional Information

“For this position, the starting gross base salary is PLN 21 320 PLN Gross per month (full-time employment contract), determined using objective and gender-neutral criteria including skillset, experience and role responsibilities.

Our benefits offering typically include private medical insurance, dental plan, and glasses reimbursement. The figure represents the initial remuneration we expect to offer for this role and does not limit the right to equal pay for women and men performing the same work or work of equal value. All remuneration and benefits decisions are based on non-discriminatory, gender-neutral criteria, and in accordance with the Polish Labour Code amendments implementing Directive on pay transparency, we do not request or consider candidates’ current or past remuneration during the recruitment process.”

At Endava, we’re committed to creating an open, inclusive, and respectful environment where everyone feels safe, valued, and empowered to be their best. We welcome applications from people of all backgrounds, experiences, and perspectives—because we know that inclusive teams help us deliver smarter, more innovative solutions for our customers. Hiring decisions are based on merit, skills, qualifications, and potential. If you need adjustments or support during the recruitment process, please let us know.