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Développeur Mobile React Native Senior Freelance
Développeur Mobile React Native Senior Freelance ⏳ Durée : 3 ans 🗓️ Démarrage : ASAP 📍 Lieu : Chatillon 🎓 Expérience : 10 ans minimum 🏠 Télétravail : 2 jours de TT/ Semaine (3 jours sur site non négociable) 🏭…
Pessoa Desenvolvedora de Software - Flutter PL
O market4u nasceu em 2020 com o propósito de levar mais comodidade, tempo e segurança para as pessoas por meio da tecnologia e da confiança mútua. Esse é o valor que vivenciamos aqui diariamente. Hoje, temos o orgulho…
インフラエンジニア
仕事内容 ★ライブエストのオススメポイント3選！★ 【その１】高還元＆安心の前職給与保証 エンジニアへの利益還元率は75％以上！ ほとんどの社員が年収UPしており、中には入社1年で年収を100万円上げた方も！ 案件変更による単価向上と連動した柔軟なな給与改定も実施しています。 【その２】社員定着率も90％と高水準を維持！ ・リモート案件に携わりたい、Java案件にチャレンジしたい ・地方在住でも東京案件に携わることができる…
Analista de Pre Vendas | Projetos Corporativos
Estamos à procura de um(a) Analista de Pré Vendas para propor solução técnica para atendimento de clientes do segmento CORPORATIVO PME, SMB, Enterprise e B2G. Se você é um profissional atencioso, que encanta seus…
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.
디바이스 하드웨어 QA 엔지니어 (Device Hardware Quality Engineer)
Leads hardware quality for Toss’s payment terminals, defining tests, auditing global manufacturing partners, and driving root-cause fixes to hit yield and reliability targets.
디바이스 소프트웨어 엔지니어 (Android) (Device Software Engineer)
Develops and optimizes Android-based payment terminal software, collaborating with hardware/firmware teams to resolve system-level issues (framework, HAL, native layers) and ensure real-world device stability from development to post-production.
디바이스 소프트웨어 QA 엔지니어 (Android) (Device Software Quality Engineer)
Designs and executes QA tests for Android-based payment terminals, focusing on hardware-software integration, test automation, and field issue analysis to ensure release quality and improve testing processes.
Frontend Developer
Build cross-platform POS and payment kiosk apps in React/TypeScript, integrating with hardware and backend systems to modernize offline retail.
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.
프론트엔드 개발자 (Frontend Developer)
Builds and maintains Toss Securities' web-based trading platforms (mobile webviews, desktop, and back-office) using modern frontend tech to deliver smooth, real-time investment experiences.
프론트엔드 개발자 (보훈특별채용) (Frontend Developer)
Frontend Developer (veterans special track) on Toss Securities' FE chapter in Seoul: builds mobile webview products, desktop trading products, and back-office tools using React, Next.js, TypeScript, modern state/style tooling, and real-time market data via WebSockets/SSE.
프론트엔드 플랫폼 엔지니어 (Frontend Platform Engineer)
Frontend platform engineer at Toss Securities in Seoul, building and running the frontend platform behind a mobile webview-based securities app with 4M+ DAU: micro-frontend framework, AWS/Cloudflare deployment infrastructure, performance optimization, and monitoring/testing tooling. Core stack: React, TypeScript, AWS, Terraform, Sentry, Grafana.
Full-Stack Engineer - Credit Cards
Senior full-stack engineer on iwoca's Credit Cards team, working mostly backend but owning features end to end — data model, API, frontend, testing, release, and monitoring — for a business credit card product. Stack is Python/FastAPI with PostgreSQL, React and TypeScript on web, plus React Native on the mobile app.
Старший разработчик Android
Senior Android developer building and maintaining fintech payment modules (transfers, SWIFT, brokerage) using Kotlin, Jetpack Compose, and MVVM in a multi-module banking app.
Android-разработчик
Develops and maintains Android banking apps using Kotlin, Jetpack Compose, and Clean Architecture to improve app quality and developer tools.
Ведущий разработчик Android (Стрим Состоятельные клиенты)
Leads Android development for a premium banking client stream, building fintech features like loyalty programs and airport lounges using Kotlin, Jetpack Compose, and Clean Architecture.
Ведущий системный аналитик (fullstack) Стрим развития цифровой платформы
Leading system analyst role designing and refining a digital banking platform for legal entities, focusing on microservices, APIs, and full-stack integrations.
Mobile App Developer
Builds and releases iOS and Android apps for business clients — natively with Swift/Kotlin or via a cross-platform framework — while working with PHP back-end developers on APIs and maintaining apps through OS updates and app store releases.