Top 10 highest paying companies that use FastAPI

35-100 Lakh INR per year; fast-growing, profitable company; AI-first culture and tooling

Fast-growing, profitable real estate company in India building technology for construction and real estate. Mission to build high-quality homes and deliver on time. Engineers have end-to-end ownership impacting supply chain, project management, and customer experience. Looking for product-minded engineers and engineering managers in a small-team, high-ownership, fast-iteration, AI-native environment. Uses Cursor/Copilot and emphasizes AI-first development.

Compensation range: 15-35 lakhs INR per annum along with ESOP.

Jurisphere is currently the leading AI copilot for lawyers in India, and we are planning to rapidly expand to the global market. You will be part of the growth journey where you will ship rapidly to make a product that can beat the likes of Harvey.

CTC ₹20–35 LPA

Riverline is building AI agents for debt collections — think voice + WhatsApp agents that negotiate, resolve, and collect at scale. Backed by South Park Commons, DeVC, and gradCapital. We’re looking for cracked engineers who ship fast and own things end-to-end (frontend → backend → AI integrations). Treat AI tools (Cursor, Copilot, Claude, GPT-5) as part of their daily workflow. Can vibe-code and debug chaos without waiting for perfect PRDs or hand-holding.

Salary $150k-$350k, founding equity, competitive salary, direct founder collaboration, flexible hours, modern tools

AI-powered platform for resume optimization and job application automation. Role: Build technical foundation as the first engineering hire. Own end-to-end features (Python/FastAPI/JS), architect scalable systems, and shape product direction. Ideal for builders who thrive in ambiguity. Requirements: Strong Python fundamentals; Full-stack experience (personal projects count); Product-minded, self-directed, fast learner. Nice-to-have: FastAPI/Django, AI/ML APIs, Stripe, AWS, LaTeX/startup experience. Offer: Founding equity + competitive salary; direct founder collaboration; flexible hours; modern tools. Apply: Email resume + GitHub/portfolio + 3-5 sentence note to info@yourtechresume.com.

Starting $80K base salary + competitive equity, with a clear path to $300K+ total compensation (salary, bonuses, equity, and benefits) based on performance.

Onefish AI is building an offline-first Progressive Web App (PWA) that delivers AI consulting to SMEs using a hybrid architecture combining browser-based Python execution (Pyodide) with intelligent cloud routing. Role: Founding AI Fullstack Engineer to own and build the core hybrid architecture. Responsibilities include PWA service worker architecture, data synchronization, multi-agent LLM design, model optimization for offline performance, and fullstack engineering across browser and cloud runtimes. Required expertise in Python (single-source browser + cloud runtimes), Svelte, Pyodide, FastAPI, Go, PostgreSQL, Docker, and browser ML. This position is on-site/hybrid in San Diego, CA, and offers a Lead Engineer → CTO trajectory. To apply, submit Resume + GitHub + 1-page cover letter + 3 references to jobs@onefish.ai with subject "Candidate: AI Fullstack Engineer - [Your Name]".

$260K - $300K + 0.3-0.41% Equity

Founding-team role building Cofounder, an autonomous agent platform to run end-to-end business workflows. Own the end-to-end agent experience, build and scale Flows and Integrations, and ship across the stack with a focus on performance and reliability. High ownership, zero bureaucracy, maximum impact. Tech stack includes React/Next.js (TypeScript) frontend, Python FastAPI backend, background workers, and Postgres.

$150K–$250K depending on experience

We’re building the OS for legal risk — a real-time AI platform that does legal work (not a co-pilot). Custom knowledge graphs + multi-agent systems = outputs that replace 100s of lawyer-hours. You’ll: - Own and ship full-stack features across SvelteKit, GraphQL, and Python - Work in person with a high-output team, solving real pain points for top law firms - Build AI-native product. Must: - Be NYC-based (or willing to move) - Be serious, fast, and ready to work long hours on hard problems - 2+ years experience. Nice: FastAPI, GraphQL, Tailwind, Svelte, Bun/Deno, AI/ML infra, structured concurrency.

USD $160,000 - $220,000+ base range, significant equity, competitive compensation

Rapport | Founding AI Engineer + Founding Data Engineer | REMOTE (US) | Full-time | USD$160-220K+ Rapport is fixing healthcare's broken payment infrastructure. Hospitals lose billions annually to opaque payer rules and outdated contracts. We're an AI driven platform that ingests contracts, claims, and policies at scale, transforming them into real-time pricing intelligence to help get providers paid what they deserve. We are backed by top tier investors and already have one of the largest RCM operators in the country as our development partner. Founded by a healthcare tech veteran with two prior exits. This is a chance to be a true founding team member with meaningful equity and direct impact on product and company direction. Role 1: Founding AI Engineer – Claims Pricing Intelligence Build production pricing engines that transform messy healthcare data into accurate claim prices. Think of it like playing a complex game: interpret intricate payer rules, combine them into working logic, and validate at scale. Design data pipelines for PDFs/CSVs/APIs, create business logic combining rules based systems with ML validation, and build explainable systems where every decision is traceable. Thanks to our partnership, you'll work with massive real world datasets from day one. Stack: Python, SQL, FastAPI, LLMs and Agentic frameworks. Role 2: Founding Data Engineer Architect our data platform from scratch. Build fault tolerant pipelines using Databricks that handle diverse sources, design normalization layers for healthcare data, and implement observability for production reliability. First data hire, you'll shape our entire data strategy. Stack: Python, SQL, Databricks, Azure/AWS, Airflow/Prefect. Rapport is a remote only company with quarterly in person sessions. Significant equity + competitive compensation. Apply: hiring@healthyrapport.com with resume or LinkedIn. Please note we are unfortunately unable to sponsor visas or hire candidates outside of the US at this time.

Senior AI Engineer: $180k-220k. Senior Software Engineer (Scribe & Integrations): $160k-190k. Senior Software Engineer (Platform): $160k-190k. Senior Product Manager: $140k-180k. Quarterly travel.

Hiring 4 additional roles at Olli Health. Olli Health streamlines ICD-10 coding and in-home documentation in a clinical/HIPAA environment. Backed by healthtech/AI-focused VCs. Roles include Senior AI Engineer (end-to-end LLM product surfaces, evals/experiments across prompts, retrieval, and agents), Senior Software Engineer (Scribe & Integrations) (React Native apps, TypeScript/PostgreSQL, full-stack end-to-end, EHR integrations), Senior Software Engineer (Platform) (Python FastAPI/Django/Flask, React, PostgreSQL, AWS, platform architecture, mentoring), and Senior Product Manager (regulated clinical B2B SaaS, roadmap/prioritization, customer discovery with clinicians, early-stage specs). Requirements: 5+ years of experience, startup experience, authorization to work in US/CA. Work directly with the CTO and VP Engineering. Quarterly travel.

$150k-$210k USD equity, benefits

Mike here, the CTO at elvex. elvex is making generative AI accessible, useful and secure for enterprise teams. We’re helping non-technical users join what we truly believe is a revolution in computing. In the future elvex will power >50% of all AI apps inside a company. Prior to elvex, our founding team (4 people currently) launched, scaled and sold Parse.ly to Automattic in their largest ever acquisition by cost and revenue (Automattic makes and maintains WordPress). We’re looking to hire our next Senior Product Engineer. Senior Product Engineers are full-stack at elvex and are given a lot of autonomy to solve both customer and engineering-oriented problems directly. If you join us, you’ll be employee number 5 overall and will have big impact on the trajectory of the company, culture and product. We are working with a host of very large B2B customers and solving real problems for them with our platform and looking to commercialize later in 2024. You should be an expert in web app development with deep familiarity with one or more of: Django/Flask/FastAPI and React/Vue/Svelte. You should also love playing at the very edge of innovation as that’s where we are with generative AI at the moment. Is RAG the killer gen AI use case? Is the best UI we can do really just chat? How do we move beyond cool prototypes to production-scale use cases? Apply via https://careers.elvex.ai/jobs/32372-senior-product-engineer or email me mike@elvex.ai with any questions or if you wanted to add a personal note. (Note: we're aware that the footer on this page uses boilerplate copy, it's an issue with our applicant tracking system).