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Senior Java Developer
LinkedIn Recruiter Post
Senior Java Developer for hybrid contract in Toronto, ON. Requires 6+ years Java, 2 years Python, AWS, and CI/CD experience.
About the role
- Senior Android Engineer responsible for developing Android applications that enhance coupon experiences for Instacart. Collaborating closely with various teams to integrate features and optimize performance.
Responsibilities
- Design, build, and maintain Android features using Kotlin, Jetpack Compose, modern Android components and composable declarative state management architecture
- Implement pixel-perfect UIs that faithfully match designs and scale across devices, with a focus on accessibility and internationalization
- Integrate with backend services via GraphQL, REST, and WebSockets to deliver resilient offline and real-time experiences
- Own feature areas end to end—from technical design and instrumentation to rollout, monitoring, and iteration—driving measurable gains in picker speed and accuracy
- Participate in code reviews, technical design reviews, and release planning to uphold high engineering standards and accelerate team velocity
- Profile, benchmark, and optimize app performance; track stability and quality with observability and crash monitoring tools
- Contribute features across codebases owned by other teams, aligning with domain owners on design and direction
- Collaborate with backend, iOS, product, design, data, and retailer stakeholders to align goals, manage trade-offs, and deliver cross-functional outcomes in a rapidly evolving environment
Requirements
- 4+ years of professional experience building and shipping Android applications
- Proficiency in Kotlin and Android fundamentals, including Jetpack Compose and traditional Views/XML
- Hands-on experience with concurrency and reactive paradigms: Kotlin Coroutines and RxJava
- Experience integrating mobile apps with backend services using RPC, RESTful APIs, and WebSockets
- Demonstrated debugging and analytical skills using Android Studio tooling, profilers, and logs
- Proven track record contributing to code reviews and technical design documents with cross-functional partners
- Experience instrumenting apps for analytics, crash reporting, and performance monitoring
- Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience
Benefits
- Instacart provides highly market-competitive compensation and benefits in each location where our employees work
- Offers may vary based on many factors such as candidate experience and skills required for the role
- This role is eligible for a new hire equity grant as well as annual refresh grants
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