11,054 Kotlin jobs
Open roles that use Kotlin for Android and JVM backends.
Senior Backend Engineer, Endpoint & Data Insights
Senior backend engineer on Cisco ThousandEyes' Endpoint Engineering team, building scalable data pipelines and backend services that ingest and analyze telemetry from endpoint agents for digital experience troubleshooting. Stack centers on Java/Kotlin, Spring Boot, and cloud technologies, with on-call participation.
Senior Java Engineer – Fixed Income Pricing and Analytics
Senior (VP-level) Java engineer at Deutsche Bank London building a next-generation, cloud-native pricing and analytics platform for Rates & Credit Fixed Income trading — designing real-time, low-latency Java services and event-driven systems with traders. Core stack: modern Java, Kafka/Solace, Kubernetes, REST/gRPC/streaming APIs.
Junior Java Developer - Trading
Junior backend Java developer at a growing commodities trading firm in London, joining a small Agile team to build services across trading systems, marketplaces, payments, and automation. Core stack includes Java, Kotlin, Spring Boot, and cloud tech; hybrid role with 3 days per week in the office.
Java Developer with Kotlin (Prime Brokerage Technology)
Builds and owns core components of Citi's Prime Brokerage platform in Java and Kotlin, leading an agile team's architecture, CI/CD and DevOps practices. Day to day: coding with TDD, translating business needs into technical specs, mentoring, and improving production performance and reliability using Kubernetes, Kafka and observability tooling.
Senior Java Developer
Senior Java developer helping rebuild a flagship low-latency, event-driven platform for a leading financial services technology vendor in London. Day to day: building highly available JVM services in Java and Kotlin with a focus on concurrency, performance, and messaging (FIX/Kafka a plus).
Senior Mobile Engineer, Charging
Senior Mobile Engineer at Nayax Energy (on-site in Schenectady, NY, 5 days/week) building native Android Kotlin modules that let React Native apps talk to next-gen EV charging hardware over a 40-pin connector. Work centers on Turbo Modules/Fabric, serial/UART and GPIO communication, testing, and mentoring.
Senior Android Product Engineer - Data Team - Fever
Senior Android engineer owning Fever's native Android app end-to-end: shaping features with Product/Design, bridging AI/data capabilities with the mobile UX, and integrating payments (Stripe, Braintree, Google Pay), experimentation (Optimizely) and analytics (Mixpanel) using Kotlin, Jetpack Compose, and multi-module Gradle.
Senior Java Developer (Híbrido Barcelona)
Overview En SlashMobility buscamos un Senior Backend Developer para impulsar la digitalización de grandes corporaciones mediante soluciones de alto impacto. Trabajarás en equipos pequeños y especialistas, creando…
Staff Software Engineer
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Software Engineer based remotely in Brazil. We are looking for an experienced…
Software Engineer (Java/DevOps)
Java developer with a strong DevOps background joining Motorola Solutions' Emergency Call Handling team in Kraków to build cloud-based, 99.999%-available mission-critical call handling software (VNXT), working with Kubernetes, Docker, Java, Spring Boot/Quarkus, and AWS/Azure.
Staff Software Engineer, Backend (Observability)
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Software Engineer, Backend (Observability) based in Canada. The Staff Software…
AI-Driven Full Stack Engineer for Equity Derivatives
Full stack engineer on HSBC's Hong Kong Structured Products Technology team, building strategic equity derivatives trading infrastructure. Day to day: owning end-to-end projects, collaborating with structuring and sales desks, and modernizing Excel/VBA tools to Java/Kotlin using AI-enabled development practices.
Full Stack Engineer
Full Stack Engineer on HSBC's Hong Kong Structured Products Technology team (8 developers), building Equity Derivatives trading infrastructure and re-writing legacy Excel/VBA tools in Java/Kotlin while managing end-to-end project delivery. Core stack: Java, Kotlin, AI-enabled development, Kubernetes, MongoDB.
Software Engineer
Software Engineer on HSBC's Hong Kong Structured Products Technology team building Equity Derivatives trading infrastructure. Day to day: analyzing and re-writing legacy Excel/VBA tools in Java/Kotlin, managing end-to-end projects from requirements to deployment, and liaising with Structuring and Sales desks, using AI-enabled development in Java/Kotlin/C#.
Senior Backend Engineer, Customer-Facing R&D
Senior backend engineer on Apono's customer-facing R&D team, working directly with enterprise customers to gather requirements, design and build backend features and integrations, and ship them to production. Core focus on backend fundamentals and cloud-native tech (Kubernetes, Docker, major clouds), with Go/Kotlin/React/TypeScript as pluses.
UI Engineer
Valarian Technologies is a dual-use technology company building critical tools to safeguard the future in an era of evolving global security challenges. We're rethinking security beyond traditional military domains,…
Développeur Android / Kotlin (F/H) (H/F)
À propos d'INVERSIVE INVERSIVE est une plateforme SaaS B2B innovante dans le secteur de la XR (VR, AR, MR). Nous aidons les industriels et le monde de l'éducation à gérer leurs flottes de casques XR et leurs contenus…
Backend Team Lead
Lead a backend team building and scaling Apono's cloud-native access-management security platform (now part of 1Password), staying hands-on with system design and code reviews while owning architecture and delivery, using Kotlin/Go/Java on AWS/GCP, Kubernetes, Docker, and Kafka. Based in Tel Aviv; Hebrew and English fluency required.