11,103 Kotlin jobs
Open roles that use Kotlin for Android and JVM backends.
Senior Software Engineer, Frontend (App Foundations)
Senior frontend engineer shaping the architecture of Roblox's consumer-facing app surfaces (Home, Avatar, Search). Day to day: building reusable React-style abstractions and Luau UI libraries, defining architecture and state-management standards, and optimizing performance across web, mobile, and desktop clients.
Staff Software Engineer, Performance and Analytics
The Performance & Analytics team works on calculating, reporting, and effectively presenting performance and attribution metrics across investments leveraging modern OLAP and Columnar technologies. This includes…
Senior Software Engineer, Investment Performance and Analytics
Builds and scales investment performance/analytics systems for complex portfolios, focusing on accuracy, scalability, and reporting for fixed income, derivatives, and private equity using AWS and quantitative financial methodologies.
Mid-Level/Lead Software Engineer- FULL STACK (Hybrid)
State Farm's Digital Experience team is hiring a full-stack engineer to help redesign the My Accounts customer website and support related apps, re-architecting for resilience and performance on AWS. Day to day involves Java/JavaScript work with Spring Boot, React/Angular, OpenTofu infrastructure, code reviews, and knowledge sharing on an agile team in a hybrid setup.
Front End Engineer
Senior engineer on Sunbit's Digital Squad building customer-facing fintech platforms end to end: React frontends plus Node.js/Kotlin/Java backend services, deployed as microservices on Kubernetes and AWS. The role owns the full SDLC, tackles architecture at scale, and mentors junior engineers.
Senior Android Engineer
About Epic Epic Kids is the leading digital reading platform built for kids 12 and under, trusted by millions of children, educators, and families around the world. Our mission is to inspire a lifelong love of reading…
Staff Software Engineer, Tech Foundations
Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the…
Java, Kotlin & Android - Senior Software Engineer (m/w/d)
Senior engineer builds a retail pricing solution: a Java 17+/Spring Boot 3 backend (PostgreSQL, Kafka) plus an Android app in Kotlin/Jetpack Compose that computes price information and generates PDF price labels/electronic shelf labels. ~1-year contract via emagine, hybrid: 4 days remote, 1 day on-site in Cologne.
Sr. Staff Software Engineer- Eng
Why UKG: At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our…
Senior Full Stack Engineer - Full or Part Time
Build and maintain scalable full-stack systems for the UK’s largest automotive marketplace using Java/Spring Boot, React/Angular, and Kafka, while mentoring junior engineers.
Senior Software Engineer
Designs and builds logging, diagnostics, and incident analysis systems for PlayStation’s Android-based platforms to improve post-release reliability and debugging for millions of users.
Senior Software Engineer / Software Developer (React Native)
Senior React Native engineer leading frontend architecture for PlayStation’s mobile gaming experiences, optimizing performance, mentoring teams, and bridging JS/native code for scalable, high-performance apps.
Data Engineer II
Builds and maintains real-time data pipelines for PlayStation Cloud Streaming, writing JVM-based (Kotlin/Scala/Java) Flink jobs and APIs to process streaming data across distributed infrastructure. Collaborates with BI and product teams to translate requirements into actionable insights, ensuring scalable, high-throughput systems for PlayStation’s global user base.
Mobile App Developer
Contract senior mobile engineer role (~15 hrs/week, remote) building reinforcement-learning environments to train AI models: designing challenging mobile coding tasks, creating reproducible environments, writing deterministic verifiers, and providing golden reference solutions using React Native/TypeScript/JavaScript, Flutter/Dart, Swift, or Kotlin.
Senior Kotlin/Java Backend Engineer - Remote work | REF#302891
Fully remote senior backend engineer building services with Kotlin and Java Spring, designing scalable, reliable APIs, and deploying/managing them on AWS (Aurora, ECS, S3) while collaborating through GitHub workflows.
Backend Engineer (Kotlin) - Remote Work | REF#290412
100% remote backend engineer at BairesDev designing and maintaining scalable Kotlin microservices on the JVM: building REST APIs with Spring Boot, persistence layers with JPA/PostgreSQL, and event-driven data flows with Kafka on AWS, serving clients like Google and Silicon Valley startups.
Android Mobile Developer - Remote Work
Builds, debugs, and optimizes Android applications at BairesDev, collaborating with cross-functional teams in an agile environment. Requires strong Kotlin or Java skills, SOLID/Clean Code practices, and full-lifecycle app development experience; the role is 100% remote.
DEV MOBILE ANDROID
Senior Android Engineer at digital consultancy Squadra building and scaling high-complexity banking/Pix solutions for millions of users: reusable SDKs, modular MVVM architecture in Kotlin with Coroutines/Flow, Jetpack Compose UI, Koin/Hilt DI, and resilience monitoring with Crashlytics or Datadog.
Full Stack Engineer Java Kotlin Vuejs B2B
Full stack engineer building backend services (Java/Kotlin, Spring Boot) and Vue.js frontends for product and assortment management systems in a large retail ecosystem, using Kafka, AWS, and PostgreSQL. Hybrid role based in Katowice requiring 3-5 years of experience and English and Polish communication skills.
Senior Software Engineer in Test, Android
Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era.…