Application Builder

October 3, 2026

Remote

Middle

Warsaw, Poland

Worth knowing

Business travel required
English is required
Part-time role

Description

Ring is looking for an Application Builder to build the next generation of experiences in the Ring app, shipping native code alongside engineers who are actively adopting AI across the development lifecycle. The role is about going deep on native mobile development — modern Kotlin or Swift, latest platform APIs and clean architecture — with primary depth on Android and contributions to iOS where needed. The team owns foundational and emerging surfaces that millions of customers open every day.

Responsibilities

Design, build and ship features for the Ring app, working primarily on Android and contributing on iOS where the work requires it
Write high-quality, well-tested code with performance, reliability and maintainability in mind
Use AI-powered development tools across day-to-day work: code generation, test authoring, code review, debugging, documentation and defect resolution
Contribute to the evolution of the team's architecture, identifying friction points and proposing improvements
Collaborate with product, UX, backend and platform partners to deliver cohesive end-to-end experiences
Help maintain operational excellence — resolving issues, fixing bugs and improving observability
Participate in design and code reviews
Partner with backend engineers to integrate with services and real-time data flows
Work on emerging features where reliability and clarity are part of the product itself

Requirements

Experience programming with at least one software programming language
Experience contributing to the architecture and design of new and current systems, including design patterns, reliability and scaling
Experience (non-internship) in professional software development
Android mobile application development experience in Java and Kotlin
Bachelor's degree in computer science or equivalent
Experience with the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing and operations
Proficient understanding of code versioning tools such as Git
Experience optimising apps for performance
Experience writing testable code and automated tests
Experience with REST architecture for web services
Working knowledge of both Android and iOS platforms
Experience adopting AI-powered development tools in real production work

Conditions

Full-time basis; salary is pro-rated for part-time hours
Possible sign-on payment and eligibility for a restricted stock unit scheme
Company benefits include pension plans, health insurance, life and disability insurance, business travel insurance
MultiSport card, employee discount code and program (EDC/Extras) and Employee Assistance Program

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