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Full Stack Developer Startup Jobs in Florida (NOW HIRING)

Sr. Full stack Developer

Sanford, FL · Hybrid

$53 - $55/hr

Position: Sr. Full Stack Developer Location: Lake Mary, FL (Hybrid - 3 Days Onsite) Duration: 6+ Month Contract ***W2 Contract***No C2C*** About the Role We are seeking a highly skilled Sr. Full ...

... high-growth startup . What you'll do Build & Ship Product Features * Design, build, and ship ... Contribute to improving developer tooling , deployment workflows, and system observability. Impact ...

... high-growth startup . What you'll do Build & Ship Product Features * Design, build, and ship ... Contribute to improving developer tooling , deployment workflows, and system observability. Impact ...

Java Full stack Developer

Tampa, FL · On-site

$49.50 - $64/hr

Diverse Lynx is seeking a Java Full Stack Developer to work onsite in Tampa, FL. The role requires a developer with a strong end-to-end product mindset to design, implement, test, and deploy ...

FULL STACK DEVELOPER - ONSITE IN BOCA RATON, FL OR Las Vegas, NV Responsibilities: * Collaborate with small, rotating, interdisciplinary teams of game designers, mathematicians, audio engineers ...

FULL STACK DEVELOPER - ONSITE IN BOCA RATON, FL OR Las Vegas, NV Responsibilities : * Collaborate with small, rotating, interdisciplinary teams of game designers, mathematicians, audio engineers ...

They are seeking a Full Stack Engineer to build HPOS, a property management platform, from scratch, involving database design, API contracts, and frontend components. The role emphasizes a zero-to ...

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Full Stack Developer Startup information

What is the difference between Full Stack Developer Startup vs Front End Developer?

AspectFull Stack Developer StartupFront End Developer
Required SkillsProficiency in both front-end and back-end technologies, databases, and server managementSpecialized in client-side technologies like HTML, CSS, JavaScript, and frameworks like React or Angular
Work EnvironmentFast-paced startup setting, often wearing multiple hats, involved in full project lifecyclePrimarily focused on designing and implementing user interfaces and user experience
Common UsageUsed in startups needing versatile developers capable of handling entire applicationsUsed in teams focusing on UI/UX and front-end development within startups or larger companies

In summary, a Full Stack Developer Startup has a broader skill set covering both front-end and back-end development, suitable for dynamic startup environments. A Front End Developer specializes in creating engaging user interfaces, often working within larger teams or specific projects. The choice depends on the scope of work and technical expertise required.

What cities in Florida are hiring for Full Stack Developer Startup jobs? Cities in Florida with the most Full Stack Developer Startup job openings:
Infographic showing various Full Stack Developer Startup job openings in Florida as of June 2026, with employment types broken down into 50% Full Time, and 50% Contract. Highlights an 100% In-person job distribution.

Python Full Stack Developer (AI)

Rivago infotech inc

Miami, FL

Other

Posted yesterday


Job description

Role: Python Full Stack Developer

Location: Miami, FL (Onsite)


Role Overview

We are seeking a highly skilled Full Stack Developer with deep, hands-on Python backend engineering experience as the core of the role, complemented by working proficiency in ReactJS for frontend development. This is a backend-first full-stack position — candidates must demonstrate strong depth in Python services, database design, and authentication/authorization frameworks, along with a solid understanding of AI, Agentic AI systems, and the Model Context Protocol (MCP).

Key Responsibilities:

·        Design and develop scalable, production-grade backend services using Python frameworks (FastAPI / Flask / Django)

·        Architect, build, and integrate RESTful APIs and backend microservices with strong attention to performance, reliability, and security

·        Design and optimize relational database structures using PostgreSQL / MySQL / SQL Server — including schema design, indexing strategies, query optimization, and data modeling

·        Implement robust authentication and authorization frameworks beyond basic JWT — including OAuth 2.0 / OpenID Connect, SSO integrations, session management, token lifecycle (refresh/rotation/revocation), and role-based / attribute-based access control (RBAC/ABAC)

·        Develop responsive frontend applications using ReactJS (Hooks, state management) to support backend-driven features

·        Integrate AI and LLM-powered capabilities into backend services, including agentic workflows and tool-calling patterns

·        Apply MCP (Model Context Protocol) concepts to connect AI agents with backend services, APIs, and data sources

·        Collaborate with cross-functional teams on API contracts, data flows, and end-to-end feature delivery

Must-Have Skills:

Python Backend (Primary): Strong, hands-on experience building backend services with FastAPI / Flask / Django — async patterns, dependency injection, middleware, API versioning, testing, and production deployment

Databases: Deep practical experience with PostgreSQL / MySQL / SQL Server — complex queries, joins, indexing, transactions, ORM usage (SQLAlchemy / Django ORM), and performance tuning

Authentication & Security: Demonstrated depth in auth frameworks beyond JWT basics — OAuth 2.0, OIDC, SSO, RBAC, secure session handling, and API security best practices

RESTful APIs: Proven experience designing, building, and integrating REST APIs and backend services at scale

AI / Agentic AI / MCP: Solid understanding of LLM fundamentals, agentic AI architectures (planning, tool use, multi-step workflows), and the Model Context Protocol (MCP) for agent–system integration; familiarity with frameworks such as LangChain / LangGraph is a strong plus

ReactJS (Secondary): Hands-on expertise with ReactJS — Hooks, component lifecycle, and state management (Redux / Context API)

Candidate Profile Expectations

Backend-dominant full-stack engineer: roughly 80–90% Python/backend and 10–20% React in day-to-day work, must have AI experience.

Must be able to demonstrate, in technical conversation, real depth in Python, database design, and authentication frameworks — not just frontend fluency

Frontend-heavy profiles (e.g., 80/20 frontend/backend) will not be a fit for this role