Senior Android Developer

Darize; United States; Remote; USD 120,000 - 150,000; Full time

Job summary

Darize is seeking a Senior Android Developer to join a logistics-focused mobile platform used by millions. You will design, build, and optimize Android apps with a focus on performance, scalability, and quality, while collaborating with cross-functional teams in an agile environment.

The project runs for six months with a chance of extension; remote work; start ASAP. You will contribute to modern engineering practices, CI/CD, and AI-assisted development workflows.

Qualifications

• 5+ years of professional Android development experience.
• Strong commercial experience with Kotlin and the Android SDK.
• Hands-on expertise with Jetpack Compose, Coroutines, and Flow.
• Solid understanding of Android Architecture Components, MVVM, and Clean Architecture principles.
• Proven experience integrating REST APIs and external services into mobile applications.
• Strong knowledge of Firebase configuration and implementation.
• Extensive experience designing and maintaining CI/CD solutions for mobile development using GitLab CI, GitHub Actions, or similar platforms.
• Experience optimizing Android applications, build performance, and release processes.
• Familiarity with modern software development practices, including Git, Jira, Confluence, code reviews, and Agile methodologies.
• Professional English skills (minimum B2)

Responsibilities

• Design, develop, and maintain high-quality Android applications with a strong focus on performance, reliability, and scalability.
• Refactor and modernize existing codebases to improve maintainability, architecture, and long-term sustainability.
• Build, enhance, and support mobile CI/CD pipelines, ensuring efficient build, testing, and deployment processes.
• Drive automation initiatives and contribute to improving the overall mobile developer experience.
• Develop well-tested, production-ready code following engineering best practices and quality standards.
• Collaborate with engineers, architects, and product stakeholders to translate business requirements into technical solutions.
• Participate in code reviews, architecture discussions, and technical decision-making.
• Create and maintain technical documentation, implementation guides, and operational procedures.
• Support continuous improvement initiatives and promote engineering excellence across the team.

Skills

Kotlin

Android SDK

Jetpack Compose

Coroutines

Flow

MVVM

Clean Architecture

REST APIs

Firebase

Git

Agile methodologies

English (B2)

Tools

GitLab CI

GitHub Actions

Jira

Confluence

Job description

About the Project

We are looking for Senior Android Developer to join a project from logistics industry. The team is working on developing a large-scale mobile platform used by millions of users. In this role, you will contribute to the development and modernization of Android applications, focusing on performance, scalability, developer experience, and high-quality software delivery.

You will work in an agile environment, collaborating with cross-functional teams to enhance existing solutions, introduce new capabilities, and help drive the adoption of modern engineering practices, including AI-assisted development workflows.

Work Mode: remote

Start of the project: ASAP

Duration of the project: 6 months (with possibility of extension)

Job Responsibilities

• Design, develop, and maintain high-quality Android applications with a strong focus on performance, reliability, and scalability.
• Refactor and modernize existing codebases to improve maintainability, architecture, and long-term sustainability.
• Build, enhance, and support mobile CI/CD pipelines, ensuring efficient build, testing, and deployment processes.
• Drive automation initiatives and contribute to improving the overall mobile developer experience.
• Develop well-tested, production-ready code following engineering best practices and quality standards.
• Collaborate with engineers, architects, and product stakeholders to translate business requirements into technical solutions.
• Participate in code reviews, architecture discussions, and technical decision-making.
• Create and maintain technical documentation, implementation guides, and operational procedures.
• Support continuous improvement initiatives and promote engineering excellence across the team.

Expectations

• 5+ years of professional experience in Android development.
• Strong commercial experience with Kotlin and the Android SDK.
• Hands-on expertise with Jetpack Compose, Coroutines, and Flow.
• Solid understanding of Android Architecture Components, MVVM, and Clean Architecture principles.
• Proven experience integrating REST APIs and external services into mobile applications.
• Strong knowledge of Firebase configuration and implementation.
• Extensive experience designing and maintaining CI/CD solutions for mobile development using GitLab CI, GitHub Actions, or similar platforms.
• Experience optimizing Android applications, build performance, and release processes.
• Familiarity with modern software development practices, including Git, Jira, Confluence, code reviews, and Agile methodologies.
• Professional English skills (minimum B2)

We offer

• Dedicated Agent support – your go-to person for project continuity, client communication, day-to-day administration, and long-term professional development
• Access to Darize Learning & Development – our internal development platform featuring webinars, industry reports and articles, access to learning platforms such as DataCamp and Coursera, and regular invitations to technical, business, and lifestyle events
• Community and networking events – from Kick-Off trips, Christmas celebrations, and Summer Sport Games to family picnics and cultural events for you and your loved ones
• Consultant Development Program – personalized professional development support based on current industry trends and market needs, delivered by experienced mentors and development advisors
• Comprehensive benefits package – including private healthcare, life insurance, a sports card for you and your family members, as well as access to employee discounts in Poland and abroad
• A community of experienced IT experts – exchange knowledge and collaborate with technology professionals who bring years of hands‑on experience delivering complex technology projects (the average professional experience of our consultants in Poland exceeds 10 years)

About Darize

Some projects keep businesses running. Others help them evolve and grow. If you're more drawn to the latter, chances are we have a lot in common. At Darize, we work with organizations tackling complex technology challenges. In IT, one challenge is always around the corner: before one project ends, it’s already time to think about the next. Add uncertainty, rate negotiations, and administrative tasks, and it’s easy to lose focus on what matters most. That’s why we do more than connect experts with projects. We provide stability, access to ambitious technology initiatives, and a community of experienced professionals, so you can focus on what you do best. Darize brings together more than 2,500 consultants across 24 countries. In Poland, you may know us as 7N, the brand we built for over 20 years. We value expertise, long-term relationships, and a culture rooted in trust, quality, and Nordic values. We challenge the status quo and create an environment where people matter more than processes.