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Technical Product Owner (AI)
Owns AI-driven features at Toss, defining how ML models power recommendations, search, and personalization, and measuring their business impact through experiments.
시스템 엔지니어 (GPU) (Systems Engineer)
Designs, builds, and operates GPU infrastructure for AI/ML workloads, including bare-metal clusters, networking, and monitoring.
Product Owner (User Journey)
Owns the AI-driven investment content journey for Toss Securities, from content creation to user discovery and retention, using data and experiments to build trust in AI recommendations.
데이터 엔지니어 (AI Service) (Data Engineer)
Builds and maintains a global financial data platform for securities, processing real-time market data with AI/ML pipelines using Kafka, Spark, and Iceberg.
ML 엔지니어 (Commerce Data Graph) (ML Engineer)
Build and optimize knowledge graph systems to power AI-driven features at a leading fintech company.
AI 엔지니어 (AI Engineer)
Builds and deploys LLM-based AI investment agents for Toss Securities, designing multi-agent systems, tool orchestration, and data pipelines to deliver personalized financial advice while ensuring compliance, explainability, and reliability for millions of users.
AI 엔지니어 (Brain, AIOC) (AI Engineer)
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 솔루션 엔지니어 (AI Solution Engineer)
AI Solution Engineer at Toss focusing on automating phone-based business processes (inbound/outbound) using AI. The role involves backend development, data integration, and stabilizing AI components like LLMs, ASR, and TTS within real-world operational environments to drive business impact.




Lakebase Associate Director, Healthcare & Life Sciences
Sell Databricks Lakebase, a fully-managed Postgres service, to healthcare and life-sciences companies to modernize operational data stacks and power AI-driven applications.
Senior Full-Stack Engineer: AI Workspace & Data Viz
Senior full-stack engineer at Xybern (London, on-site) building the core AI Workspace: high-performance data visualization, collaborative reasoning tools, and audit-ready export systems. You'll work directly with the founders and own features from design to production, using React/Next.js with Python or Go backends.
Lead Data Engineer
Owns Obsero's end-to-end data platform: capturing AI answers from platforms like ChatGPT, Gemini and Perplexity, modelling them into one schema, running LLM-based extraction and sentiment, and keeping data quality, coverage and cost under control. Core stack: Python, SQL, MongoDB, Parquet data lake, AWS.
Senior AI Backend Engineer - Production LLM/Agent Systems
Senior backend engineer at a growing AI company serving lettings, property management and finance. Owns architecture through deployment of production LLM and multi-step agent systems, with focus on tool calling, evaluation, and optimizing performance and cost in production.
Lead Backend Engineer — Global AI Marketplace (Equity)
Lead Backend Engineer at ALFA AI in London, designing the backend foundations for a global, agentic-first marketplace for moving and home-life services. Day to day: shaping latency budgets, ensuring observability, and migrating live systems to a modern stack with robust data contracts and idempotent operations, including live-voice capability.
Backend engineer for home services
Lead Backend Engineer in London designing and building the backend foundations of an agentic AI platform ("Jay") that automates moving and home-life admin: domain contracts, order state machines, queues and infra, sub-second reads for live voice, and safe, auditable agent access to money. Strong TypeScript and systems-thinking required.
Lumia Security- Senior Software Engineer
Lumia is a cybersecurity startup building AI security solutions using high-performance distributed systems. The role involves developing cloud-native microservices, primarily using Go, to address AI-related security challenges at scale.
Head of DevOps & Cloud Infrastructure
Leads global cloud infrastructure and DevOps strategy for a real-time web search platform, integrating AI into SDLC, security, and cost optimization while scaling teams and architecture.
Backend Engineer
Backend engineer on Pixellot's Content & Monetization team, building and owning scalable microservices and APIs behind sports content generation, highlights, metadata, and monetization systems. Core stack: NestJS/TypeScript, Python, AWS, Docker, Kubernetes, and SQL/NoSQL databases.
Lead Data Analyst
Lead Data Analyst at CUJO AI designs big-data reports, queries and dashboards, analyzes network data for trends and threats, and manages change deployments to customers while collaborating with quality and software engineers. Core stack includes Python, SQL and big-data analysis, with AWS and CI/CD as pluses.
