11,040 Kotlin jobs
Open roles that use Kotlin for Android and JVM backends.
Analista Programador Android (Java/Kotlin)
Android analyst-programmer joining a stable healthcare-sector project in Barcelona, doing both functional analysis and native Android development in Java/Kotlin. Permanent contract with hybrid remote work at IT services firm Inetum.

Software Engineer, Finance Applications
Build and maintain integrations between enterprise systems (Salesforce, Oracle, Zip) using MuleSoft and Python tools to automate procurement, finance, and supply-chain workflows.


Senior Backend Engineer, Quality Engineering
Build and maintain automated testing frameworks and quality metrics for Vinted’s platform, using Go, Kotlin, Kafka, and BigQuery to ensure reliable software across Europe’s largest second-hand marketplace.


Senior Backend Engineer, Buyer
Senior backend engineer on Vinted's Buyer domain (CVP team) in Kaunas, designing and owning scalable backend services that govern content visibility and search across Vinted's second-hand marketplace, including A/B-tested features, on-call, and mentoring. Stack centers on Go/Kotlin/Ruby/Python, Kafka-style event streaming, search engines like Vespa/Elasticsearch, Jenkins, and Grafana/Kibana.
Lead Fullstack Engineer
Technical lead at Protofy, a Hamburg-based digital agency, guiding client projects (websites, mobile apps for e-commerce, knowledge management, sports) from architecture through deployment while mostly hands-on coding, mentoring the team, advising client decision-makers, and shaping AI-assisted development practices. Core stack: React plus Node.js, Flutter or Kotlin.
Senior Android Engineer, Client Team - VenturaOS
Build Android-based TV and mobile apps using Kotlin, Jetpack Compose, and Coroutines to power next-gen ad experiences for streaming TV and mobile platforms.
Senior Software Engineer, Backend - Infra/Platform, VenturaOS
Build and operate the cloud infrastructure and Kubernetes platform powering VenturaOS, a Smart TV operating system, including compute, networking, identity, GPU/ML-serving, and end-to-end telemetry for a global adtech company.
Full Stack Engineer (Java, Kotlin, Vue.js) (B2B)
Full stack engineer developing and maintaining product and assortment management systems for a large DIY retail ecosystem: backend services and APIs in Java/Kotlin with Spring Boot, frontend apps in Vue.js, event-driven Kafka processing, AWS and containerized environments, and PostgreSQL data modeling, working hybrid from Katowice.
Desenvolvedor(a) Backend (Java/Kotlin)
DOMVS iT is hiring a backend developer in São Paulo to build modern, scalable systems in a dynamic, collaborative environment. Day-to-day work centers on microservices and messaging in the cloud, using Java/Kotlin with Spring Boot, SQL and MongoDB, Elasticsearch indexing, Kafka/RabbitMQ, and AWS.
Software Architect
Hands-on staff-level architect shaping the Next-Generation 911 emergency call handling platform (VNXT) — an ultra-reliable, event-driven, real-time telecom system. Day to day: drive architecture decisions, code, mentor senior engineers, and champion a DevOps culture across Java/Kotlin (Spring Boot, Quarkus), Kubernetes, and AWS/Azure.
Staff Software Engineer, Android
Staff Android engineer building native Android apps (Kotlin, Jetpack Compose, Coroutines/Flow, GraphQL) that power Butterfly Network's portable ultrasound devices, collaborating with hardware, cloud, ML, and imaging teams on medical imaging experiences.
Software Engineer, Mobile SDK
Engineer on Pendo's Mobile SDK team building and maintaining native iOS and Android SDKs plus Flutter, React Native, MAUI, and CMP integrations that collect analytics and session replays in mobile apps. Work spans OS internals, automated testing/release pipelines, and customer support; hybrid with 3 days in the Herzliya office.
FX Trading Full-Stack Engineer (Java/Kotlin + React) – London
RevTech is hiring a full-stack engineer in London to design, build and scale FX trading products end-to-end, owning features from inception through production support on a 12-month contract with three on-site days per week. Core stack: Java/Kotlin with Spring Boot, Kafka, React and TypeScript.
Software Engineer III - Analytical Data
Hands-on data engineering role on ZoomInfo's Analytical Data team, building and running the company's data lakehouse: Kotlin/Apache Beam pipelines on GCP Dataflow ingest Kafka and cloud-storage data into Apache Iceberg tables, kept queryable from BigQuery, Snowflake, and Starburst/Trino, with Terraform-managed infrastructure across GCP and AWS.
Junior Android - Testing and Quality Assurance
Junior Android QA role: managing test processes and quality assurance for Android applications on the MIB4, HCP3, and ICC platforms. Day-to-day involves test execution, defect/root-cause analysis, and ticket handling using Jira, Git/Bitbucket, Android tooling (ADB, scrcpy), and Jenkins alongside international teams.