Senior Android Engineer

About Toptal

Job Summary:

Responsibilities:

• You will design, write, and maintain efficient, reusable, and reliable native Android code for our mobile app. Together with the team, you will work on all phases of application development: from translating professional designs into a working app to suggesting new ideas, to making our solutions cutting-edge.
• You will ensure an extensible and future-proof architecture of the application.
• Contribute to our Kotlin Multiplatform codebase powering shared mobile features, or learn it as part of delivering functionality across iOS and Android.
• Deliver well-crafted product features while continuously improving the architecture and quality of the existing codebase.
• Write and maintain automated tests, and ensure new features meet our high-quality standards.
• Review the work of your teammates and provide thoughtful, constructive feedback.
• Collaborate closely with product, design, and backend teams to deliver meaningful improvements for end users.
• Raise the engineering bar by sharing knowledge, mentoring teammates, and improving team practices.
• Join daily scrum standups. Expect pair programming, engaging in peer code reviews, and using collaboration tools like Slack and Zoom.
• Design, develop, document, analyze, create, test, or modify computer or cloud-based systems or programs.

In the first week, expect to:

• Meet the mentors who will guide you during the onboarding month.
• Get acquainted with our tech stack.
• Get familiar with our Mobile apps architecture and all the tools that we use. Learn about the processes that we follow.
• Submit your first Pull Request.

In the first month, expect to:

• Familiarize yourself with the team’s business domain.
• Contribute to our product development.
• Develop a deeper understanding of our technologies, processes, and product pipeline.

In the first three months, expect to:

• Start contributing to the technical topics as well, understand the application, and general mobile app architecture.
• Learn and take part in the utilization of the latest iOS technologies.
• Deliver value in regular cadence.
• Get comfortable with the daily work routine of our team.
• Be ready to propose improvements to Toptal’s processes and codebase.

In the first six months, expect to:

• Become a key part of the team, be responsible for certain areas, and help others inside and outside of the team.
• Contribute to planning and executing initiatives within our team.
• Drive improvements to the codebase and processes.

In the first year, expect to:

• Have a detailed understanding of Toptal’s technical stack, collaboration rituals, processes, and performance.
• Become a champion of new ideas that will strive to achieve the purpose of our company while ensuring the quality culture that we value the most.

Qualifications and Job Requirements:

• At least 6 years of professional native Android experience with at least one large native application deployed to the Play Store.
• Excellent understanding of architecture principles and design patterns, and ability to apply them practically to real-life problems.
• Ability to continuously improve code and architecture quality in line with new or changing requirements.
• Proficiency in Kotlin Multiplatform architecture, resolving cross-platform hurdles and maintaining native UI separation.
• Strong willingness to work within the iOS ecosystem.
• Comfortable working in an AI-native development workflow where AI assists with code generation and review, while engineers take full ownership of validating architecture, correctness, and overall quality.
• Deep knowledge of Jetpack Compose is a plus.
• Experience with custom-tailored design systems is a plus.
• Demonstrated ability to collaborate with Product stakeholders in the development and refinement of feature requirements.
• Outstanding written and verbal communication skills.
• Ability to work in a fast-paced, rapidly changing company and handle a wide variety of challenges, deadlines, and a diverse array of contacts.
• You must be a world-class individual contributor to thrive at Toptal. You will not be here just to tell other people what to do.