Product Engineer

Oscar Technology; Denmark; On-site; DKK 600,000 - 900,000; Full time

Job summary

Oscar Technology, based in Denmark, seeks a Product Engineer to build the platform from the inside out—fullstack across core platform and AI infrastructure. You will ship features from database and API work to client-facing interfaces, and own infrastructure decisions across AWS and Vercel.

The role requires direct exposure to the founding team and real influence over direction, with a focus on private-market/secondary-market platforms.

Qualifications

• 3–5 years fullstack experience with Python and TypeScript
• PostgreSQL proficiency; Supabase a plus
• Working knowledge of AWS, Vercel and AI tooling (LangChain, MCP)
• Private-market/secondary-market platform background required
• Entrepreneurial spirit with strong product instincts

Skills

Python

TypeScript

Fullstack development

Entrepreneurial mindset

Product instincts

Tools

PostgreSQL

Supabase

AWS

Vercel

LangChain

MCP

AI tooling

Job description

About the Company

An AI-native fintech platform headquartered in Denmark, building the leading technology infrastructure for private market secondary transactions - Dark Pools, IOI matching, and AI-powered Order Management Systems. Institutional clients include some of the most prominent names in pre-IPO tech. Profitable, with a compounding pipeline, now building the team to match.

The Opportunity

A Product Engineer role to help build the platform from the inside out - fullstack across the core platform and AI infrastructure, with direct exposure to the founding team and real influence over direction. You'll ship features from database and API work through to client-facing interfaces, build and extend AI tooling (LangChain, MCP, agents, retrieval) powering an AI-enabled Order Management System, and own infrastructure decisions across AWS and Vercel.

Hard requirement: candidates must have direct experience with private-market or secondary-market platforms. Institutional-market experience strongly preferred over general fintech.

What We're Looking For

• Private-market/secondary-market platform background (non-negotiable) - institutional experience preferred over general fintech
• 3-5 years fullstack experience with Python and TypeScript
• PostgreSQL proficiency (Supabase a plus)
• Working knowledge of AWS, Vercel, and AI tooling (LangChain, MCP)
• Entrepreneurial spirit, strong product instincts, startup mindset

Strong advantages: fintech startup experience, hands-on work with LlamaIndex, Langfuse, or vector databases.

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