FastAPI Jobs - April 2026
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Prosper AI
Software Engineer
Posted 2 months, 2 weeks ago
We build AI phone agents for US healthcare — insurance claims, benefit verification, scheduling. 300K+ calls/month. Series A closed, R&D fully in Barcelona. Stack: Python, FastAPI, React/TypeScript. Small engineering team, fast pace, real ownership. Hiring fo…
Tech stack
Location
Barcelona, Eixample
Compensation
Stock options; full-time role; salary not disclosed.
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Freight Brokerage
Founding Backend Architect (Python/PostgreSQL)
Posted 2 months, 2 weeks ago
We're a freight brokerage in NJ building a self-hosted, AI-first platform to replace our legacy CRM/TMS. The AI compute infrastructure and data foundation are already in place. We need the architect who turns it into a production operating system. This is a s…
Tech stack
Location
NJ, Remote (US, EST hours)
Compensation
$150K + benefits; 1-week paid onsite onboarding in NJ; equity conversation open once mutual fit is established.
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Stealth company
Full-Stack Engineer (Python / React)
Posted 2 months, 2 weeks ago
Remote Full-Stack Engineer (Python/React) role building production AI systems focused on real-world workflows, data pipelines, and integrating LLM-based systems into usable products. Work includes designing backend systems and APIs, building and scaling LLM w…
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Adclear
Senior Fullstack Engineer
Posted 2 months, 2 weeks ago
Adclear is building real-time multi-agent AI pipelines to evaluate regulated marketing content for clients like Monzo, Lloyds, PensionBee, and Plum. The role reports to the CTO and AI engineers and involves owning how these systems evolve in production while …
Tech stack
Location
London, UK (Hybrid, 4 days/week)
Compensation
£75-95k + equity. Private healthcare, gym budget, hardware budget.
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Blackshark AI
Software Engineer - Frontend UI
Posted 2 months, 2 weeks ago
We build geospatial AI infrastructure. Our platform lets analysts train custom object and change detection models on satellite/aerial/drone imagery in minutes, then reconstructs 3D terrain from those detections. We just shipped a planetary-scale simulation pl…
Roles
Tech stack
Location
Austria, Remote (EU Hours)
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CVector
Senior Research Engineer
Posted 2 months, 3 weeks ago
Build intuitive, robust web apps, machine learning models, backend systems, and AI agent systems for real-time economic optimization and prediction in energy and manufacturing plants. Roles include full-stack/backend software engineers (Python/TypeScript/Reac…
Tech stack
Location
New York City (FiDi)
Compensation
VISA SPONSORSHIP available; no salary details provided. Early-stage startup (recent $5M seed).