Company · 71 open roles
Careers at Toss
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71 positions at Toss
Security Researcher (모바일보안)
Toss·Seoul, Seoul, Korea
Security Researcher (모바일보안) at Toss. Location: Seoul, Seoul, Korea. Role: integrating CI/CD, developing modules, analyzing vulnerabilities Requirements: Experience developing security tools or systems (Go, Python, Kotlin, Java, Swift, C/C++), mobile app reverse engineering and vu…
Security Researcher (Platform)
Toss·Seoul, Seoul, Korea
Security Researcher (Platform) at Toss. Location: Seoul, Seoul, Korea. Role: designing IAM, building platform, automating pipeline Requirements: Deep understanding of OS, network, web/system internals and auth protocols (OAuth, SAML, JWT); experience designing IAM, API gateways, …
Research Assistant (블록체인 서비스)
Toss·Seoul, Seoul, Korea
Research Assistant (블록체인 서비스) at Toss. Location: Seoul, Seoul, Korea. Role: conducting research, supporting strategy, analyzing market Requirements: Conduct market and blockchain research to support product strategy; fast learner; research or IB/consulting/PE-VC internship experi…
Visual Design Assistant
Toss·Seoul, Seoul, Korea
Visual Design Assistant at Toss. Location: Seoul, Seoul, Korea. Role: producing images, creating creatives, assisting design Requirements: Proficient in Photoshop, Illustrator, and Figma; After Effects motion skills preferred. Portfolio required. 3-month on-site contract near Yeo…
Sales Specialist (MI)
Toss·Seoul, Seoul, Korea
Sales Specialist (MI) at Toss. Location: Seoul, Seoul, Korea. Role: visiting merchants, introducing services, closing sales Requirements: Short-term contract sales role requiring face-to-face merchant outreach, strong communication and persistence; new grads welcome; fintech or o…
[증권] Japan Hiring - Creative Manager
Toss·Seoul, Seoul, Korea
[증권] Japan Hiring - Creative Manager at Toss. Location: Seoul, Seoul, Korea. Role: developing strategy, creating videos, testing creatives Requirements: Experienced creator for Japanese market: copy, design, video production/editing; strong creative testing and performance market…
Business Content Marketing Mananager
Toss·Seoul, Seoul, Korea
Business Content Marketing Mananager at Toss. Location: Seoul, Seoul, Korea. Role: planning content, creating assets, enabling sales Requirements: 5+ years in business content marketing, experience creating lead-generation and sales-enablement content, owning owned channels, stro…
AI Engineer (Ads)
Toss·Seoul, /, Korea
AI Engineer (Ads) at Toss. Location: Seoul, /, Korea. Role: designing AI, automating ads, evaluating quality Requirements: Experience building end-to-end AI/ML products for ads using LLMs and image-generation models; strong prompt engineering, evaluation design, and operationaliz…
Data Analyst (Knowledge Graph)
Toss·Seoul, Seoul, Korea
Data Analyst (Knowledge Graph) at Toss. Location: Seoul, Seoul, Korea. Role: designing attributes, defining relations, collaborating cross-functional Requirements: Experience analyzing large datasets, designing attribute schemas, and interpreting model outputs. Proficiency in SQL…
Technical Product Owner (AI)
Toss·Seoul, Seoul, Korea
Technical Product Owner (AI) at Toss. Location: Seoul, Seoul, Korea. Role: define strategy, prioritize features, align engineers Requirements: Strong understanding of IT services, ability to communicate with engineers, and experience planning or launching AI/ML products. data-dri…
UX Researcher (JP)
Toss·Seoul, /, Korea
UX Researcher (JP) at Toss. Location: Seoul, /, Korea. Role: conduct usability, perform research, collaborate teams Requirements: UX research, usability testing, qualitative methods, portfolio, cross-functional collaboration, proactive problem discovery, adapt to new domains. Cat…
Applied AI Engineer
Toss·Seoul, Seoul, Korea
Applied AI Engineer at Toss. Location: Seoul, Seoul, Korea. Role: Design AI systems, Develop scalable services, Collaborate cross-functionally Requirements: Experience building production-grade AI agent systems (LLM, RAG, agent workflows) and end-to-end AI platform integration; s…
Data Analyst (Growth)
Toss·Seoul, Seoul, Korea
Data Analyst (Growth) at Toss. Location: Seoul, Seoul, Korea. Role: analyze growth, design experiments, define funnels Requirements: Data analysis, SQL, and data visualization skills; experience in growth analytics and experimentation; strong SQL, data storytelling, and dashboard…
Head of CA Domain Tech
Toss·Seoul, Seoul, Korea
Head of CA Domain Tech at Toss. Location: Seoul, Seoul, Korea. Role: lead architecture, define roadmap, drive modernization Requirements: Experience building large-scale B2C platform architectures; leading tech strategy, architecture and cloud-native transformations; collaboratin…
Node.js Developer
Toss·Seoul, Seoul, Korea
Node.js Developer at Toss. Location: Seoul, Seoul, Korea. Role: Design platform, Develop automation, Monitor devices Requirements: Backend developer experienced with Node.js, distributed systems, and automation tooling; familiar with TypeScript, Nest.js, MongoDB, Kafka; comfortab…
Tech Lead (Frontend)
Toss·Seoul, Seoul, Korea
Tech Lead (Frontend) at Toss. Location: Seoul, Seoul, Korea. Role: lead frontend, collaborate cross-functional, improve environment Requirements: Frontend tech lead with strong React/TypeScript expertise and leadership experience. Category: Software Development Seniority: Senior …
Data Analyst (Recommendation)
Toss·Seoul, Seoul, Korea
Data Analyst (Recommendation) at Toss. Location: Seoul, Seoul, Korea. Role: analyzing ads, defining metrics, improving recommendations Requirements: Strong data analysis skills, SQL proficiency, experience with A/B testing, and ability to define metrics and actionable insights fo…
Global Project Manager
Toss·Seoul, Seoul, Korea
Global Project Manager at Toss. Location: Seoul, Seoul, Korea. Role: lead licensing, coordinate regulations, manage launches Requirements: 5+ years in overseas business management or development,experience leading licensing and regulatory projects, strong English communication, w…
보험설계사 (직영1 총괄 본부, 1지점 (부산))
Toss·Busan, /, Korea
보험설계사 (직영1 총괄 본부, 1지점 (부산)) at Toss. Location: Busan, /, Korea. Role: analyzing risks, recommending products, meeting clients Requirements: Customer-focused insurance advisor able to analyze needs, recommend products, and join Busan direct branch; strong learning and client-first…
iOS Developer
Toss·Seoul, Seoul, Korea
iOS Developer at Toss. Location: Seoul, Seoul, Korea. Role: developing features, collaborating cross-functionally, optimizing performance Requirements: 3+ years iOS development, strong fundamentals, problem solving, teamwork, AI usage, Protocol Oriented Programming, and UI layout…
Platform Product Owner (Facepay)
Toss·Seoul, Seoul, Korea
Platform Product Owner (Facepay) at Toss. Location: Seoul, Seoul, Korea. Role: lead integration, improve experience, prioritize development Requirements: Experience leading external partner integrations, prioritizing product work, and delivering platform-based payment solutions (…
Infrastructure Automation Engineer
Toss·Seoul, Seoul, Korea
Infrastructure Automation Engineer at Toss. Location: Seoul, Seoul, Korea. Role: design automation, build workflows, integrate systems Requirements: 3+ years in platform engineering/DevOps/infra, hands-on with automation platforms, CI/CD, REST API integrations; strong Linux, moni…
AIOps Platform Engineer
Toss·Seoul, Seoul, Korea
AIOps Platform Engineer at Toss. Location: Seoul, Seoul, Korea. Role: design platform, build pipelines, visualize RCA Requirements: 3+ years in data pipeline/platform engineering (SRE/infra engineering). Experience designing, building and operating open-source based data pipeline…
Server Developer (여신)
Toss·Seoul, Seoul, Korea
Server Developer (여신) at Toss. Location: Seoul, Seoul, Korea. Role: builds backend, migrate core banking, designs scalable systems Requirements: Backend server development in Kotlin/Java with Spring; experience in core banking or MSA transition; knowledge of transactional systems…