Fastapi Jobs

GoodAtNumbers is hiring a backend-focused Software Engineer Intern to build and ship production-quality product features for its decision intelligence platform during a paid 12-week summer internship.

Experienced fullstack developer needed to build and deploy automation solutions using Python, Django/FastAPI, React/Next.js and Azure for a client-focused engineering team.

Experienced full-stack engineer needed to design, build, and ship LLM-powered production applications for Chatham Financial’s client and internal platforms.

Help architect and operate FriendliAI’s enterprise inference platform as a Senior Backend Engineer focused on APIs, multi-tenant SaaS features, and data/system reliability at scale.

Design and deliver full-stack, production-grade AI agent features at Workday—building scalable front-end and backend solutions that simplify HR and finance workflows for millions of users.

SeatGeek is looking for Software Engineers to design, build, and operate scalable services and user experiences for a high-traffic ticketing marketplace in a fully remote work environment.

Help build Nebula’s core platform by shipping end-to-end full-stack features that power agent workflows, observability, and interactive UIs for analysts.

RadiantGraph is hiring a Senior Full-Stack Software Engineer to deliver production-grade Python and TypeScript features that power AI-driven healthcare engagement across backend services and frontend applications.

Quantiphi is hiring a Full Stack Software Developer to build API-first, production-grade applications that integrate LLMs, RAG, and agentic AI into scalable cloud-native systems.

Help build end-to-end ad infrastructure and ship product-impacting features rapidly as a Full-Stack Engineer at an early-stage AI + ad-tech company.

Phonely is hiring a Senior Backend Engineer to build and run Python-based real-time voice AI systems from its San Francisco office.

Drive the design and delivery of scalable AI infrastructure and full-stack applications that power Lean Layer's internal tools and client deployments as a Senior Full Stack Developer.

Build and deploy full‑stack internal applications and multi-step AI workflows at Niural to automate payroll, compliance, and operational processes across a global fintech platform.

SanDisk is hiring a Senior Full Stack Engineer to build and operate next-generation financial planning and forecasting services using Next.js/TypeScript frontend and FastAPI/Python backend in a containerized AWS environment.

Lead the architecture and hands-on development of cloud-native AI applications that combine Databricks data platforms, LLMs, vector search, and modern full-stack web technologies.

Tessera Labs is looking for a Backend Engineer Intern to help build RESTful APIs, databases, and integrations that power enterprise AI automation.

Unstructured is hiring an AI Engineer to architect and ship production-grade RAG and agentic systems that process messy multimodal data for high-impact government and military contracts.

Senior technical leader wanted to define architecture, scale engineering, and deliver AI-driven recruiting products as Neuroscale's founding CTO.

Experienced AI/ML Engineer needed to build and deploy production-grade LLM-driven and RAG/Graph RAG solutions onsite in Erie for enterprise client engagements.

Senior Full Stack Developer needed to deliver end-to-end web features, drive architecture decisions, and mentor an engineering team for a U.S.-based, remote product environment.

Lead architecture and implementation of Edison Scientific’s backend-heavy platform that powers AI agents for scientific discovery as a Principal Full-Stack Engineer based in our San Francisco Dogpatch office.

Edra is hiring a Backend Engineer to design and build platform systems, integrations, and developer-facing tooling that make agentic AI useful in enterprise environments.

Thomson Reuters' Materia AI team is hiring a backend-focused Lead Product Engineer to architect Python/FastAPI services and contribute across React/Next.js front-end work to deliver AI-powered accounting features.

Join GridCARE as a senior backend-leaning product engineer to design and ship typed, production-ready APIs and application services that surface complex grid modeling into a polished customer product.

Experienced ML engineer to help productionize models and build scalable data pipelines and APIs for GenAI and ML applications at USAA's Phoenix campus.

Guidehouse is hiring a Senior Full Stack Developer (Python/JavaScript) to build secure, cloud-native solutions and prototypes on AWS while collaborating with architects, product owners, and cross-functional teams.

Paid summer internship building backend services, APIs, and vendor integrations while gaining production experience on a fast-moving engineering team.

Contribute as an Intermediate Software Engineer (Python) to develop and integrate backend components for an AI orchestration platform at Dev.Pro, working remotely with global teams.

Lead the design and implementation of autonomous AI agents and orchestration layers at Raspberry AI to enable end-to-end, agent-driven creative workflows for fashion designers.

Build and scale backend guardrails and observability tooling at LiteLLM to ensure secure, transparent, and high-performance infrastructure used by enterprise customers.

Iconic is hiring a Full Stack Engineer to build and scale their platform for business brokers, contributing across frontend, backend, and cloud systems in a fully remote US/Canada role.

Steadily is hiring a hands-on Senior Front-End Engineer in Austin to build customer-facing insurance experiences and production-grade web applications using React/TypeScript within an event-driven architecture.

Build and scale production AI systems that power municipal workflows as a Backend Engineer at a seed-stage govtech startup based in San Francisco.

Renew Home is hiring an Engineering Manager to lead a remote team of software engineers building consumer-facing web experiences and scalable backend systems for its residential virtual power platform.

Finny, an AI-first fintech in Chelsea, NYC, is hiring a Lead QA Engineer to build and scale automated testing, CI/CD integration, and LLM evaluation across our Python backend and TypeScript frontend.

Dental Insurance

Disability Insurance

Flexible Spending Account (FSA)

Health Savings Account (HSA)

Vision Insurance

Performance Bonus

Family Medical Leave

Paid Holidays

Lead and grow engineering teams to design and deliver a scalable, event-driven SaaS platform for energy and home improvement professionals at GoodLeap.

Lead the frontend and backend development of a fast-growing AI infrastructure startup, shaping customer experience and product UX for agentic systems at scale.

Lead and grow Lila's Enterprise Platform team to deliver multi-tenancy, security, billing, and AI-native platform capabilities that enable scalable, enterprise-grade SaaS for scientific discovery.

Work as a Full-Stack AI Engineer to productionize ML/LLM models, build full-stack interfaces, and deploy scalable AI systems for business-facing applications.

Full-Stack Engineer role at FriendliAI to build the web platform and APIs that power deployment, monitoring, and developer-facing tools for multimodal AI workloads.

Senior Backend Engineer needed to design and operate production-grade APIs and backend systems for a fast-moving AI inference platform serving enterprise deployments.

Experienced software engineer needed to build and maintain cloud-native, microservices-based applications using Go, Python, C#, .NET, and modern frontend technologies in an Agile environment.

Aircall seeks a Senior Python backend engineer to architect and build scalable, AI-driven orchestration services that enable autonomous sales workflows.

Work on Lambda’s Core Cloud APIs as a Senior Software Engineer, building and owning end-to-end features that serve researchers and enterprise AI customers.

Shepherd is hiring an Actuarial Developer to architect and implement production python rating engines and product configuration services that bring actuarial pricing to production.

Lead mobile engineering for a voice-first dating app at Overtone, owning React Native architecture, low-latency voice experiences, and the production iOS release pipeline.

Full Stack Developer needed to lead end-to-end development (React, Python/Java, AWS) for VA-focused, secure and accessible cloud applications in a remote, agile environment.

Work directly with founders and engineers at a seed-stage startup to build end-to-end product features that let enterprise teams interact with zaimler's semantic graph platform.

Senior Full Stack Developer needed to deliver end-to-end web features, improve architecture, and mentor engineers while working remotely on U.S. client hours.

DocMe360 seeks a Software Engineer to develop and maintain CDS integrations with VA VistA systems using Python, React, FastAPI and domain knowledge of MUMPS and EHR protocols.