Kotlin Jobs

Tonal is hiring a Senior Mobile Engineer to lead development of its cross-platform mobile app, combining Flutter and native iOS/Android expertise to deliver intelligent, high-performance user experiences.

Experienced application security engineer sought to lead client-side hardening, cryptography, and secure SDLC practices for high-impact desktop and mobile applications in a fully-remote US position.

A summer software engineering internship at Dexcom focused on building and testing iOS and Android features for life-changing CGM mobile applications.

Senior Staff Software Engineer needed to lead backend architecture and development for scalable microservices, mentor engineering teams, and drive strategic technical initiatives in a remote-friendly US role.

Lead the architecture and development of Yahoo Weather’s new React Native mobile apps, driving technical decisions, shipping features, and mentoring engineers across iOS and Android.

Siro seeks an experienced React Native Mobile Engineer to lead end-to-end feature development and modernize its cross-platform app at a fast-growing Series B startup.

Lead and mentor an engineering team to deliver scalable feed and media experiences across web and mobile while driving technical strategy and product-focused execution.

EverDriven is seeking a Senior Software Engineer (React Native) to lead and deliver high-quality cross-platform mobile applications that support the company’s mission-driven transportation products.

Lead the technical vision and delivery of Kraken's consumer mobile apps as a Staff Software Engineer with strong React Native, native mobile, and fintech experience.

Experienced backend engineer needed to build resilient, cloud-native microservices and integrate Twilio and Google CCAI to power enterprise contact-center automation.

Sequence seeks a backend-focused Product Engineer to build APIs and core billing infrastructure for a fast-moving B2B fintech product.

Drive the architecture and implementation of high-impact Android features using Kotlin and Jetpack Compose for a remote-first product team focused on performance and scale.

An experienced Frontend Developer to rapidly prototype visually compelling XR demos using Kotlin, Jetpack Compose and modern XR SDKs for a remote, creative studio team.

Work on GolfPass's cross-platform mobile and OTT video apps, building features in React Native and native platforms for a leading media company.

Build and scale cross-platform, high-performance mobile experiences for a global product as a senior Mobile Engineer focused on React Native and native platforms.

Experienced Android engineer needed to modernize and maintain a flagship native app using Kotlin, Jetpack components, and robust architecture in a fast-paced, enterprise contract role.

Join a fast-moving team as a Full Stack Product Engineer to design and ship AI-powered end-to-end products that integrate LLMs, APIs, and modern front-ends across the US remote workforce.

Experienced backend engineer needed to build scalable microservices and telephony/NLP integrations (Twilio, Google CCAI) for enterprise contact-center platforms.

Lead and mentor an Android engineering team to own the technical vision, roadmap, and delivery of a high-volume, performance-critical mobile SDK used at scale.

Attentive is hiring a Software Engineer II for Intelligent Messaging to build scalable backend services that power omni-channel messaging and personalization in a hybrid New York role.

Experienced .NET mobile engineer needed to drive architecture and deliver performant iOS and Android apps for a major media and streaming organization.

Skylight is hiring a Senior/Staff Android Engineer to design, ship, and maintain delightful Kotlin-based mobile experiences used by millions.

Senior Android Engineer to lead architecture and feature development for SeatGeek’s top-ranked Android app, focusing on Kotlin and Jetpack Compose.

Customer-Centric

Mission Driven

Collaboration over Competition

Growth & Learning

Vercel is hiring a senior Mobile Engineer to architect and build iOS and Android apps, contribute to React Native open-source libraries, and create high-polish, performance-driven mobile experiences across Vercel and v0.

Flexport is hiring a Software Engineer II to design and implement robust microservices and web applications that improve trucking reliability and efficiency, based in Bellevue, WA.

A remote-first behavioral data company is hiring a Senior Android Engineer to build performant, privacy-minded Android-native libraries and cross-platform mobile features.

Lead the creation of the company's inaugural iOS and Android apps as the founding Sr. Mobile Engineer, using React Native to build accessible, AI-powered mental health experiences.

Lead and grow a remote-first team of Android, iOS, and cloud engineers to design and deliver scalable partner integration platforms for enterprise and consumer products.

Senior engineering leader sought to drive full-stack teams building scalable, secure AI-enabled clinical intelligence SaaS products in a fully remote, US-based role.

Lead the development of the company's first React Native iOS and Android apps as a senior mobile engineer driving product-quality, accessibility, and engineering best practices in a remote-first AI mental-health startup.

PayPal's Venmo team is looking for an MTS-level mobile software engineer to lead design and implementation of high-scale consumer mobile apps and drive technical direction.

Experienced backend engineer needed to lead design and delivery of scalable APIs, event-driven systems, and integrations for a fast-paced product organization operating across cloud and distributed platforms.

Senior Android Engineers will architect and deliver real-time, map-centric Android applications and backend integrations to enable tactical control of multiple unmanned systems for a fast-moving defense technology company.

Harvey is hiring a Senior Android Engineer to lead development of enterprise AI-powered Android experiences for legal professionals on an in-person San Francisco mobile team.

Harvey is seeking a Staff Android Engineer in San Francisco to lead the design and delivery of enterprise AI-driven Android experiences for legal professionals.

Inclusive & Diverse

Rise from Within

Mission Driven

Diversity of Opinions

Work/Life Harmony

Customer-Centric

Social Impact Driven

Passion for Exploration

Family Medical Leave

Maternity Leave

Paternity Leave

Family Coverage (Insurance)

Medical Insurance

Dental Insurance

Vision Insurance

Mental Health Resources

Life insurance

Disability Insurance

Health Savings Account (HSA)

Flexible Spending Account (FSA)

Senior product engineer role at Xero to help design and build 0→1 AI-native financial products within a small, autonomous, remote team.

Experienced Android Engineer needed to build Kotlin-based client applications and own major components in a cross-functional, product-driven team in McLean, VA.

Livefront is hiring a backend-focused Software Engineer skilled in C#/.NET to build scalable APIs and backend services for high-impact client products, either remotely across the U.S. or from Minneapolis.

Electric Coin Co. seeks a Director of Security to own incident response, security assurance, and the security strategy for Zcash across distributed teams and external partners.

Lead backend architecture and implementation for a remote-first engineering team building scalable APIs, event-driven systems, and cloud-native infrastructure that integrate AI/ML workflows.

Develop and maintain Choice Hotels' native mobile apps as a Software Engineer I on the Digital Experience team based in Scottsdale.

Senior Software Engineer - Data to design, build, and productionize large-scale data pipelines and services on GCP supporting Windfall's people intelligence platform.

Lead the design and implementation of high-performance, scalable native Android features and frameworks for LinkedIn’s mobile experience in a hybrid Mountain View role.

Senior technical leader needed to design scalable mobile and backend systems, mentor engineers, and help RapidAI deliver mission-critical clinical imaging software.

FullStory is hiring a Senior Android Engineer to design privacy-conscious, high-performance mobile instrumentation and cross-platform components for its digital experience intelligence platform.

Lead the architecture and delivery of scalable, secure enterprise React Native mobile applications as a senior Solution Architect, providing technical direction and mentoring remote teams.

Lead technical architecture and cross-functional engineering efforts to build scalable, reliable systems powering Favor’s delivery platform across Texas.

Senior Software Engineer I for a remote US role, responsible for designing and delivering scalable backend and AI-driven systems that power automation, orchestration, and advanced features across the platform.

Customer-Centric

Mission Driven

Inclusive & Diverse

Growth & Learning

Drive the design and delivery of high-performance Android products at TextNow, owning architecture, observability, and automation to improve experiences for millions of users.

Help WHOOP advance human performance by building scalable, high-quality Android features for Growth or Healthcare that integrate with backend services and shared platform tooling.