Point your AI agent at freehire and let it find you a job. A CLI and an MCP server over the whole job API — no browser.
Senior Data Scientist builds detection models to flag abusive behavior on Polymarket’s crypto prediction platform, combining on-chain, device, and behavioral signals to protect against fraud and manipulation.
Own full-funnel growth analytics for a crypto prediction market vertical, partnering with marketing to optimize spend and user conversion from acquisition to retention.
Build and own the financial reporting layer for a crypto prediction market, reconciling on-chain trading data with general ledger entries to produce clean, trustworthy financial reports for finance and leadership.
Build and ship end-to-end web, back-end, and distributed tooling for a crypto-focused product, focusing on simplicity, performance, and security.
Build and scale low-latency back-end systems for a crypto exchange, including orderbooks, distributed accounts, and reputation engines powering market makers and high-frequency traders.
Build and maintain the core data models and metrics for Polymarket’s prediction trading platform, turning raw on-chain and off-chain data into trusted, self-serve insights for growth, finance, and operations.
Lead a data platform team to build scalable pipelines and trusted models for Polymarket, a fast-growing crypto prediction market, ensuring reliable analytics across on-chain and off-chain systems.
Own product insights for a crypto prediction market: define success metrics, run A/B tests, and analyze user behavior to guide feature development in a fast-moving environment.
Intern on the Blue Team to monitor alerts, tune detection rules, hunt threats, and automate security workflows using cloud tools and AI/LLM assistance.
Builds secure, high-performance backend services in Python and Go, collaborating with product, security, and DevOps teams to design, implement, and deploy new API features.
Own the product lifecycle for a Web3 protocol and its developer/creator tooling, turning business goals into roadmaps and coordinating cross-functional delivery.
Build and maintain front-end apps with React and Styled-components, write tests and docs, refactor code, and review contributions for Unlock Protocol’s web3 tools.
Build open-source demos, plugins, and tutorials to showcase Unlock Protocol’s web3 authentication tools, while engaging developers and creators through code reviews, live sessions, and community leadership.
Maintain AWS infrastructure, automate deployments with GitHub Actions and Docker, monitor blockchain nodes and LLM costs, and respond to incidents using AI-assisted tools.
Junior QA/Technical Support role at a white-label crypto-payment platform: triage client API integration issues, write bug reports, retest fixes, and maintain technical docs in English.
Build core infrastructure for a new cryptographic system, including a compiler and zero-knowledge proof library, while mentoring engineers and presenting work at conferences.
Build and maintain React/TypeScript web apps, integrate blockchain APIs and smart contracts, and mentor junior devs while collaborating with designers and back-end teams.
You design, secure, and automate blockchain infrastructure, deploying Kubernetes clusters, CI/CD pipelines, and monitoring systems while hardening Linux servers and networking stacks.
Builds and scales backend systems for a crypto-mining pool, writing secure, high-performance server code in Python and Go, and deploying on cloud infrastructure with CI/CD.
Analyzes blockchain-based gaming products, player behavior, and monetization using SQL, Python, and A/B testing to drive feature development and data-driven decisions.
We couldn't check your fit for this role — add a CV to your profile to see it next time.