Mobile Developer – React Native, iOS & Android

About the role

KCS IT is looking for a Mobile Developer to join its Porto office. You will work within a dedicated mobile team, creating and maintaining cross‑platform applications using React Native, as well as native iOS and Android code.

Key responsibilities

• Develop, test and deploy mobile applications for iOS and Android platforms.
• Collaborate with designers, backend engineers and product owners to deliver integrated features.
• Maintain code quality, perform code reviews and contribute to continuous improvement.
• Participate in the integration of IoT functionalities where required.

Required profile

• Bachelor's degree in Computer Science or a related field.
• Minimum 2 years of professional experience in mobile development using React Native, Java or Swift.
• Strong analytical and problem‑solving abilities.
• Advanced proficiency in English (mandatory).

Required skills

• React, React Native
• Java, Swift, Objective‑C, C++, C
• JavaScript
• Web service technologies: HTTP, SOAP, REST, JSON
• IoT concepts (a plus)

What we offer

• Permanent contract with a competitive salary package and benefits.
• Personal career management and continuous training.
• Certification opportunities (Salesforce, Microsoft, Oracle, PearsonVue, etc.).