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29,580 Unicorns jobs

Open roles at unicorns — private companies valued at over $1 billion.

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AI Manager

# 합류하게 될 팀에 대해 알려드려요 - AI Manager는 토스 Data Division의 AI Tribe에 소속되어 있어요. - AI Tribe는 토스의 중앙 AI 조직으로 전사의 ML/AI Platform을 제공하며 공통화된 ML/AI 모델을 제공하는 팀으로 구성되어 있어요. - 개별 요청을 해결하는 데 그치지 않고, 반복되는 문제와 공통 요구를 여러 제품과 조직이 활용할 수 있는…

AI Machine Learning

ML Engineer (CSS)

Build ML models for credit risk, loan needs, and card approvals within Toss’s financial marketplace, using Python/SQL and deep learning to tailor user services.

CSS Data Mining Deep Learning Machine Learning Python +1 skills

ML Engineer (Catalog)

ML Engineer on Toss's Commerce AI Team designs models and data structures powering the Toss Shopping catalog — product classification, brand/attribute extraction, and matching of identical products — plus the large-scale training, batch, and online inference pipelines behind them, using PyTorch, SQL/Spark, and classic ML libraries.

AI Machine Learning PyTorch scikit-learn Spark +1 skills

AI Engineer (Brain, AIOC)

Build and refine AI agents that converse naturally with customers via text, images, and real-time voice, using RAG, tool calling, and multimodal models to execute business tasks.

AI LLM Machine Learning RAG

120M – 180M KRW

AI Engineer (Commerce)

Build and deploy AI models (LLM, RAG, multimodal) to automate commerce tasks like seller evaluation and product search at Toss’s ecommerce unit.

AI Hugging Face LLM Machine Learning Transformers

AI Engineer (Model)

Build, train, and evaluate in-house large language models to replace costly commercial LLMs for Toss’s services, focusing on Korean language and domain-specific capabilities.

AI DeepSpeed LLM Machine Learning Quantization +2 skills

80M – 120M KRW

AI Platform Engineer (Inference Pipeline)

Designs and operates large-scale AI inference pipelines at Toss, combining ML, LLM, and Vision models to automate high-volume judgment tasks; owns end-to-end cost, throughput, and reliability (async/batch design, rate limits, failover) and helps evolve the shared AI platform across domains.

AI LLM Machine Learning

Data Analytics Engineer (Product)

Designs and maintains data models for Toss’s commerce, ads, payments, growth, and business domains, ensuring reliable, standardized data for analytics and product development using SQL, Python, and Hadoop.

Airflow Data Quality Data Warehousing Hadoop SQL

Data Analytics Engineer (Platform)

The Data Analytics Engineer will build and maintain standardized data warehouses and quality management processes to improve data maturity across Toss. The role involves designing efficient data pipelines, developing monitoring systems, and collaborating with domain teams using Hadoop, Airflow, Python, and SQL.

Agile Airflow Hadoop Python SQL

[코어] Data Analytics Engineer (Finops)

Builds and operates financial-data products for Toss Core, designing scalable DW models and BI strategies to unify revenue, cost, asset, and liability data across the org.

AI Airflow Data Quality FastAPI Hadoop +2 skills

AI Platform Engineer (Serving)

Build and optimize production-grade LLM serving systems using frameworks like vLLM and Triton to run large-scale models reliably and efficiently.

AI GPU LLM Machine Learning RAG +4 skills

Data Analytics Engineer (DW/Global)

Builds and operates Toss's global data warehouse: ingesting dozens of source feeds into Snowflake, running region-neutral dbt/Airflow batch pipelines, enforcing data quality, and enabling AI agents via semantic layers, ontologies, and internal tooling. Core stack is Snowflake, dbt, Airflow, SQL, and Python.

AI Airflow API BigQuery Data Warehousing +5 skills

AI Platform Engineer (Platform)

Build and operate the AI platform that lets teams at Toss rapidly experiment with and deploy LLM-based systems like RAG and Agents, focusing on retrieval, generation, and vector search components.

AI Anthropic API GCP LLM +5 skills

Data Analytics Engineer (DW)

Builds and maintains Toss’s enterprise data warehouse, automating pipelines and data marts with Hadoop and open-source tools while collaborating with analysts and ML teams.

AI Airflow Analytics CLI Data Analytics +7 skills

100M – 150M KRW

Data Engineer (Global)

Toss is hiring a Data Engineer (Global) to work on-site in Seoul. The posting provides no additional details about responsibilities, tech stack, or qualifications.

DataOps Manager

#LI-DNI

Data Scientist (Recommendation)

Builds data-driven recommendation systems for Toss’s financial products, analyzing user behavior and transaction patterns to improve personalized suggestions and engagement.

Data Scientist (FDS)

Analyze financial data to detect suspicious transactions and ensure compliance with regulations at a leading fintech platform.

Data Scientist (Data Intelligence Platform)

Data Scientist role at Toss in Seoul, working on the Data Intelligence Platform team — applying data science and analytics to support Toss's fintech products and data infrastructure.

Data Scientist (Commerce Signal)

Analyze search and user behavior data to improve Toss’s app features and product decisions using SQL, Python, and visualization tools.