Tech jobs
Job listings
Staff Software Engineer, Backend
A Staff Software Engineer at Fivetran builds and integrates data activation features into the company's data pipeline product, working with Ruby on Rails, TypeScript, Vue, and AWS in Toronto.
React Native Android Developer (WebView, iGaming)
Next Level — медіабаїнгова компанія, що спеціалізується на мобільних додатках у вертикалі Gambling. Ми будуємо власну mobile-інфраструктуру та створюємо велику кількість мобільних застосунків для Android. Зараз шукаємо…
(Senior) Cloud Site Reliability Engineer (Scalability) (m/f/x)
Our team's mission is to ensure that teams can scale up their services while being performant, reliable and cost optimised through self-service tooling and transferring best-practices for observability, load-testing,…
Android 개발자 (Android Developer)
Build and ship Android apps for Toss’s fintech products like payments, banking, and cards using Kotlin, RxJava, and Jetpack Compose.
Android 개발자 (Android Developer)
Develops Android apps for offline payment devices and merchant apps, working in a matrix structure to build and deploy features weekly using Kotlin, Jetpack Compose, and TDS.
DevOps 엔지니어 (DevOps Engineer)
Build and maintain Kubernetes-based cloud-native platforms to enable fast, safe deployments and resilient operations for Toss’s offline payment ecosystem.
ML 백엔드 엔지니어 (ML Backend Engineer)
Designs and builds backend services for AI-driven banking products, focusing on scalable ML model serving and robust server architecture in a microservices environment.
보안 리서처 (모바일보안) (Security Researcher)
Build and integrate automated mobile-app security tools (anti-tampering, obfuscation, crypto, SAST/DAST) into CI/CD to harden Toss’s Android and iOS apps.
서버 개발자 (Platform/Product) (Server Developer)
Develops and maintains core insurance CRM, ERP, and CMS systems for agents, focusing on automation, security, and scalability using Kotlin/Java and Spring Boot.
서버 개발자 (여신) (Server Developer)
Builds and migrates Toss Bank’s lending backend systems, transitioning legacy monolithic core-banking code to Kotlin/Spring microservices while ensuring zero-tolerance accuracy for loan calculations and regulatory compliance.
서버 개발자 (코어뱅킹) (Server Developer)
Builds and refactors core banking systems (accounting layer) using Java/Kotlin and Spring, migrating legacy monoliths to scalable microservices for Toss Bank’s digital finance platform.
서버 개발자 (생산성) (Server Developer)
Builds and maintains scalable backend services powering Toss’s fintech products like payments, loans, and ads using Kotlin/Spring, MySQL, Kafka, and Redis.
서버 개발자 (3년 이상) (Server Developer)
Develops and maintains payment systems, focusing on scalability and reliability. Core technologies include Java, Kotlin, Spring, Redis, Kafka, and MySQL.
서버 개발자 (3년 이하) (Server Developer)
📢 지원자 모두에게 코딩테스트 전형의 기회가 주어져요 오직 토스페이먼츠에서만 할 수 있는 경험 “시행착오를 줄여주는 동료들과 함께 나의 가능성을 새롭게 발견해요” 토스페이먼츠를 활용하는 여러 가맹점에 영향을 미치는, 20년 이상의 장기적인 수명을 가진 제품을 만들어요. 이전 기술의 히스토리를 모두 파악하고 이를 토대로 개선 방안을 찾는, 높은 복잡도와 난이도를 가진 업무들을 경험할 수…
Server Developer (Ads)
Builds and scales high-traffic ad-serving backends for Toss’s in-app ad platform, using Kotlin/Spring and distributed systems like Kafka and Redis.
서버 개발자 (Commerce) (Server Developer)
Builds and operates core commerce systems (search, recommendations, orders, payments, ads) for Toss Shopping, a fast-growing B2C marketplace, using Kotlin/Spring and distributed data stacks.
Server Developer (Financial Marketplace)
Builds and operates scalable backend systems for a Korean fintech super-app’s financial marketplace, handling loans, cards, insurance, and accounts while integrating AI-driven automation.
Server Developer (User Growth)
Builds and operates high-traffic growth features in Toss’s app—like rewards, events, and analytics—using Kotlin/Spring and distributed systems to drive user growth and revenue.
서버 개발자 (Market Platform) (Server Developer)
Develops and optimizes high-performance real-time trading platforms (e.g., stock market data feeds) for Toss Securities, designing scalable architectures for APIs/WebSockets, low-latency event processing, and inter-institution communication using Go, Kotlin/Spring, and Kafka.
Server Developer (Messaging Platform Team)
Server Developer building and operating Toss's messaging platform (push, Alimtalk, email) and A/B testing infrastructure using Kotlin, Java, Spring Boot, Kafka, and MySQL/MongoDB/Redis.