The company and our mission:

Zartis is a digital solutions provider working across technology strategy, software engineering and product development.

We partner with firms across financial services, MedTech, media, logistics technology, renewable energy, EdTech, e-commerce, and more. Our engineering hubs in EMEA and LATAM are full of talented professionals delivering business success and digital improvement across application development, software architecture, CI/CD, business intelligence, QA automation, and new technology integrations.

We are looking for a Senior Mobile Engineer to work on a project in the fitness and wellness industry.

The project:

Our teammates are talented people that come from a variety of backgrounds. We’re committed to building an inclusive culture based on trust and innovation.

You will be part of a distributed team developing new technologies to solve real business problems. You will be part of a distributed team of 5 engineers working fully remotely on products used globally by gym operators and their members. The team is focused on enhancing the mobile member experience, supporting a suite of world-class tools to improve customer experience through data-driven, user-centric design.

We are looking for someone with strong communication skills, a proactive mindset, and attention to detail — ideally someone experienced in making decisions and comfortable building software from scratch in a collaborative team environment.

What you will do:

Collaborate with developers, product managers, and testers to turn ideas into intuitive, human-centric mobile experiences.
Contribute to the Member Experience squad, improving the end-user experience for gym members globally.
Participate in data-driven decision-making processes.
Build features using modern mobile-oriented development practices.
Work within a tech stack including React, React Native, AWS, and APIs developed in Golang, Java, and PHP.

What you will bring:

Expertise in React Native development.
1+ years of experience with a general-purpose programming language like JavaScript.
Solid understanding of React design principles.
Experience with modern quality and testing practices (unit and integration testing).
Comfortable learning new technologies and working with complex systems.
Experience with mobile-first development.
Fluent English, both spoken and written.

Nice to have:

TypeScript knowledge.
Familiarity with continuous deployment practices and tooling.

What we offer:

100% Remote Work.
WFH allowance: Monthly payment as financial support for remote working.
Career Growth: We have established a career development program accessible for all employees with a 360º feedback that will help us to guide you in your career progression.
Training: For Tech training at Zartis, you have time allocated during the week at your disposal. You can request from a variety of options, such as online courses (from Pluralsight and Educative.io, for example), English classes, books, conferences, and events.
Mentoring Program: You can become a mentor in Zartis or you can receive mentorship, or both.
Zartis Wellbeing Hub (Kara Connect): A platform that provides sessions with a range of specialists, including mental health professionals, nutritionists, physiotherapists, fitness coaches, and webinars with such professionals as well.
Flexible Working schedule.
Multicultural working environment: We organize tech events, webinars, parties, and activities to do online team-building games and contests.