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Hire a Senior Developer

Find and hire a developer for full stack (mobile + web + backend), React Native apps, Python APIs, RAG pipelines, AI agents, machine learning, and startup MVPs. Each link below matches a common search — senior engineer, production delivery, $10K–$200K projects. Browse 30+ countries →

hire react native developer

To hire a React Native developer for a production app, look for 5+ years experience, shipped App Store apps, and full-stack ability (APIs + AI). Senior freelancers typically charge $25K–$150K per project or $75–$150/hr. Verify Upwork history, live apps, and open-source contributions.

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senior react native developer for hire

A senior React Native developer owns architecture, performance, App Store launch, and backend integration — not just UI tickets. Expect 7+ years experience, TypeScript, Expo or bare RN, and proof of production apps at scale.

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react native developer for startups

Startups should hire a React Native developer who can ship an MVP in 8–12 weeks with store-ready quality. Prioritize engineers who scope milestones, demo weekly, and handle iOS + Android from one codebase.

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hire python developer

Hire a Python developer with FastAPI or Flask experience, PostgreSQL, async patterns, and production deployment skills. Backend projects typically run $20K–$120K depending on integrations and compliance needs.

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hire full stack developer

To hire a full stack developer, look for React Native or Next.js frontends plus Python (FastAPI) backends, PostgreSQL, and production deployment — one senior owner for mobile, web, and APIs. Typical projects: $35K–$200K.

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senior full stack developer for hire

A senior full stack developer owns mobile (React Native), web (Next.js), and backend (Python/FastAPI) architecture — not siloed tickets. Expect 7+ years, TypeScript, and shipped products across App Store and web.

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full stack development services

Full stack development services cover React Native apps, Next.js web, Python APIs, databases, and AI integrations under one team lead. Ideal for startups that need mobile + web + backend without three vendors.

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hire fastapi developer

A FastAPI developer builds high-performance APIs for mobile apps, SaaS, and AI products. Look for OpenAPI docs, auth (JWT/OAuth), background jobs, and experience connecting LLM/RAG endpoints to production clients.

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rag developer for hire

To hire a RAG developer, find someone who ships embeddings, vector search (pgvector/Pinecone), chunking strategies, and evaluation — not notebook demos. Production RAG projects typically cost $25K–$150K.

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rag development services

RAG development services include document ingestion, embedding pipelines, retrieval tuning, LLM integration, and FastAPI APIs. Enterprise knowledge-base chatbots and internal search are common use cases.

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ai agent developer

An AI agent developer builds tool-calling agents, multi-step workflows, and production guardrails with OpenAI or Claude. Look for observability, cost controls, and human-in-the-loop patterns — not demo chatbots.

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ai mobile app developer

An AI mobile app developer combines React Native with OpenAI/Claude APIs, streaming UI, and Python backends. Full-stack ownership avoids handoffs between mobile, API, and AI teams.

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mvp development services

MVP development services for mobile or SaaS typically cost $15K–$75K and deliver a store-ready or web product in 8–16 weeks. Hire a senior engineer who scopes features ruthlessly and ships weekly demos.

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freelance react native developer

A freelance React Native developer on Upwork or direct contract should show Top Rated status, $50K+ earnings, repeat clients, and live App Store links. Senior freelancers beat agencies on cost and communication for focused projects.

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react native consultant

A React Native consultant performs architecture reviews, code audits, performance optimization, and rescue projects. Engagements run $5K–$50K for audits and $15K+ for hands-on fixes.

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mcp server developer

An MCP (Model Context Protocol) server developer builds tool integrations for Claude and AI agents — connecting CRMs, databases, and APIs to LLM workflows. Emerging specialty with high demand from AI-native startups.

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full stack mobile developer

A full-stack mobile developer ships React Native apps plus Python (FastAPI) backends and AI features under one owner. Ideal for startups that need speed without coordinating three contractors.

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react native python full stack developer

A React Native + Python full stack developer builds cross-platform mobile apps and FastAPI backends together — plus RAG and AI when needed. One senior engineer replaces mobile, backend, and AI contractors.

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offshore react native developer

Offshore React Native developers can reduce cost 40–60% vs US rates while maintaining quality if you verify English communication, timezone overlap, and production proof. Top Rated Upwork profiles with $100K+ earned are strong signals.

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hire machine learning engineer

To hire a machine learning engineer, look for production model deployment, MLOps, recommendation systems, and Python/FastAPI integration — not Kaggle notebooks. ML consulting projects typically run $20K–$120K.

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hire ml developer

An ML developer ships models to production with monitoring, retraining pipelines, and API integration. Hire for sklearn/PyTorch experience plus FastAPI deployment and data pipeline ownership.

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hire nextjs developer

A Next.js developer builds SEO-friendly SaaS dashboards, marketing sites, and full-stack web apps with React Server Components and API routes. Typical projects: $15K–$100K for production web products.

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hire web developer

Hire a web developer with React/Next.js, TypeScript, and API integration skills for SaaS, dashboards, and marketing sites. Senior freelancers deliver faster than agencies for focused web builds.

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ai development services

AI development services cover LLM integrations, RAG pipelines, AI agents, and production APIs — not chatbot demos. Budget $25K–$150K for production AI features with observability and guardrails.

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hire mobile app developer

To hire a mobile app developer, prioritize React Native or native experience, App Store launch history, and backend integration. Cross-platform MVPs typically cost $30K–$180K and ship in 8–16 weeks.

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Ready to hire a developer for your project?

30-minute scoping call · Clear milestones · Senior engineer ownership