• Help develop a cloud based (data) platform • Think up innovative solutions for various customers • Envisioning, developing, testing and securing • Building applications in an environment full of changing and new technologies

• We are looking for a passionate and committed Backend Developer to join the UpCities team in our mission to improve people's lives and positively impact society.

• Architect, Build and launch full-stack features and products with an emphasis on backend technologies. • Optimize and scale existing products and services for speed and reliability. • Develop infrastructure to improve and encourage agile, rapid development.

• You’ll own core systems inside the Agent Runtime — the infrastructure that prevents autonomous agents from destroying capital. • Hyperfeed data pipeline — executing the enrichment roadmap: OI velocity, funding history, liquidation data, cross-asset flow detection. Server-side computation at scale. • Runtime execution layer — serial signal processing, atomic state management, idempotent order submission, risk enforcement against live exchange state • DSL exit engine — the trailing stop-loss state machine that protects every open position. Two-phase architecture, exchange reconciliation, state recovery • Scanner subsystem — building new scanner types, optimizing the provider layer, wiring new Hyperfeed signals into the confluence scoring system • Learning agent infrastructure — building the systems that let agents observe every trade, identify failure patterns, propose runtime improvements, and launch new experiments autonomously • Scale — taking the runtime from hundreds of agents to tens of thousands