Fastapi Jobs

Experienced full-stack developers with strong Python, C# and React skills are needed to rapidly prototype and deliver desk-level trading and commercial applications in Vitol’s Houston office.

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Lead the design and productionization of agentic AI systems and an evaluation platform to power Night Shift, Flock Safety’s investigator-facing LLM agent product.

Evertune AI is seeking an experienced Lead QA Engineer to establish and lead QA practices, combining manual and automated testing to ensure enterprise-grade quality for a fast-growing AI marketing platform.

Resultant is hiring a remote Senior Data Scientist (ML focus) to design, productionize, and deploy machine learning solutions for diverse client engagements.

Lead the design and implementation of Visa's Agentic AI platform as a Staff Software Engineer II, building scalable Java/Python microservices integrated with LLM-based agents and RAG pipelines.

Build performant, secure backend APIs and real-time streaming interfaces for agent-driven workflows at a growing platform company.

Build and own Constructor’s experiments platform as a Backend Engineer, developing Python services and analytics to run and analyze A/B tests for a high-scale, AI-first ecommerce search company.

Intuitive Surgical is hiring a full-stack Software Engineer to architect and implement web applications and Python tools that support manufacturing, testing, and data analysis for surgical robotics.

Security Risk Advisors is hiring an Enterprise Full Stack Developer to build and scale their AI platform, integrating RAG, agent orchestration, and enterprise APIs across frontend and backend systems.

Senior Staff Full Stack Engineer needed to drive front-end and back-end feature development using React/TypeScript and Python/FastAPI in AWS serverless, microservices-based products.

Senior Staff Full Stack Engineer needed to design and deliver scalable React/TypeScript front ends and Python/FastAPI microservices in a remote, global engineering organization.

Harvey seeks a Senior Backend Platform Engineer to create and maintain the shared backend frameworks, APIs, and abstractions that accelerate product teams and ensure reliability at scale.

Lead and grow an engineering team at Iru to design and deliver scalable, secure core services for a modern AI-era security platform headquartered in Miami.

Lead the design and implementation of Harvey’s internal backend platform to enable product teams to ship reliable, observable, and high-performance services faster.

CDW is hiring a Marketing Data Scientist (GenAI) to design and operationalize Generative AI-driven analytics, attribution, and automation that boost marketing performance.

Contribute remotely to cross-functional teams building TypeScript/React and Python-based systems that improve data collection, workflows, and operational efficiency.

Help scale Junction’s diagnostics platform as a full-stack engineer, building customer-facing features and APIs to expand diagnostics from millions to tens of millions of tests while improving patient outcomes and affordability.

Axiom Space is hiring a Full-Stack Software Engineer in Houston to build and maintain 3D web and desktop tools that improve EVA training, operations, and integrations with customers like NASA.

Join a fast-moving team as a Full Stack Product Engineer to design and ship AI-powered end-to-end products that integrate LLMs, APIs, and modern front-ends across the US remote workforce.

Design and ship fault-tolerant backend services at Junction to process millions of device and lab data points and power clinical insights.

Ionworks is hiring a founding Systems Engineer to design and operate the backend systems that scale simulation pipelines and accelerate next‑generation battery development.

Saris AI, an applied AI fintech startup, is hiring a Staff Software Developer to architect and ship scalable backend systems and integrations powering multi-turn agentic workflows for banking customers.

Join Ascertain as a Backend Engineer to design and operate scalable Python/FastAPI services and infrastructure that power AI-driven workflows for major health systems.

At Judgment Labs, you'll build full-stack features and developer tools that power agent evaluation and monitoring using TypeScript, Python, Next.js and FastAPI.

Founding Full Stack AI Engineer role at a funded San Francisco startup building agentic AI prospecting tools, delivering production-grade products for high-growth clients.

Become a technical driver at epay by designing and deploying production AI systems, agentic workflows, and RAG-powered applications from our Leawood, KS hybrid office.

Lead full-stack product development and technical architecture for enterprise analytics and AI-enabled web applications within Pfizer’s Data & AI Platforms organization.

Senior engineering role to design and deliver scalable Agentic AI platform services that integrate LLMs, RAG pipelines, and multi-agent orchestration into Visa’s payment ecosystem.

Build and own full-stack web applications and APIs that power satellite manufacturing at Apex, a fast-growing aerospace company focused on scalable satellite bus production.

Experienced Full Stack Developer needed to build scalable PHP/Laravel applications, Python automations, and responsive frontends for high-impact data-driven projects at a mission-focused public benefit firm.

Lead full‑stack development and AI integration at Pattern, building production systems and setting technical standards for generative‑AI across the platform.

Senior Consultant Software Engineer to design and deliver scalable Java/Python backend systems and production Agentic AI integrations for Visa's global payments platform.

Experienced backend engineer needed to build secure, scalable data pipelines and APIs powering real-time healthcare analytics and AI-driven care pathways in a remote, mission-focused environment.

Senior engineering leader needed to architect and deliver scalable backend and distributed systems while guiding multiple teams in a fully remote US role.

Wayflyer is seeking a seasoned Backend Software Engineer to build scalable Python/Django services and RESTful APIs that support its fast-growing fintech products and customers.

Join Commure's Ambient Scribe team as a Senior Backend Engineer to build and scale eval and AI infrastructure that powers next-generation clinical AI products.

Experienced full-stack engineer needed to build cloud-native UIs and event-driven microservices, drive CI/CD and infra automation, and own QA and production reliability for agentic workflows.

Join DeepLearning.AI as an AI Software Engineer to design and build scalable, secure learning-platform features and integrations that support enterprise customers and learners.

Experienced Python-focused Senior Software Engineer needed to deliver scalable SaaS features, optimize big-data pipelines, and own end-to-end delivery in a remote, cross-functional engineering team at Bitsight.

Senior full-stack engineer responsible for TypeScript/React applications and cloud/infrastructure architecture to support Terranova's robotics-driven climate resilience platform in Berkeley.

Lead full-stack development of real-time, high-performance features for an enterprise generative AI platform, working on-site in San Francisco as a Member of Technical Staff.

Infleqtion is hiring a Senior Software Engineer to lead full‑stack development and productization of software for atom‑based quantum sensing systems, bridging frontend, backend, and embedded layers.

Lead and mentor a development team while building scalable full-stack web applications using React (Ant Design), Python/FastAPI, BigQuery, Docker, and GCP.

Help build and scale The Flex's backend and automation platform—designing APIs, integrations, and event-driven systems that power instant, intelligent rentals worldwide.

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Help build and scale production generative AI services and frontend features at Writer using Python, TypeScript, modern cloud platforms, and open-source AI frameworks.

Lead the design and operation of scalable backend systems and data pipelines that power Alembic's analytics platform for Fortune 100 clients.

DICK'S Sporting Goods is hiring a Machine Learning Engineer II to productionalize causal inference and Bayesian models and build scalable ML pipelines and APIs that deliver real-time business value.

Wood Wide AI is hiring an AI Integrations Backend Engineer to build Python microservices, APIs, and SDKs that connect its numeric intelligence engine to LLM agents and agentic orchestration frameworks.

Senior Backend Engineer (Python) to design, build, and operate scalable backend services for AI-driven simulation products in a remote, fast-moving deep-tech team.

Work remotely as a part-time Front-End Software Developer building interactive data-visualization dashboards for a bioinformatics platform.