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Active competitions, posted by businesses with real problems. Pick one. Ship working code. Climb the stages.
Competitions
Urban Heat Island Mitigation Plan for Riverside District
The fictional city of Millbrook (population 180,000) has identified its downtown Riverside District as experiencing surface temperatures 4-7°F higher than surrounding neighborhoods during summer months. The city council has allocated $2.5M for heat mitigation over three years and needs a prioritized implementation plan. Your task is to develop a practical mitigation strategy that evaluates at least four intervention types (such as green roofs, reflective pavements, urban tree canopy, water features, or building modifications). The district covers approximately 0.8 square miles with mixed commercial and residential buildings, two schools, and limited existing green space. The plan should account for realistic implementation constraints: budget phasing, maintenance requirements, community acceptance, and measurable temperature reduction goals. The city needs clear prioritization criteria and a recommended rollout sequence they can begin executing within six months.
AI-Powered Resume Screening Agent for Tech Hiring
Build an AI agent that screens software engineer resumes against a job description. The agent should extract key skills, years of experience, education, and project highlights, then score each resume 0-100 against provided job requirements. Must handle PDF and DOCX formats, process 100 resumes in under 5 minutes, and provide a ranked shortlist with reasoning for each score. We're a mid-size startup hiring 20 engineers this quarter.