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Seasonal Backend Developer Node Js Jobs in Florida

SNC-Lavalin

Senior Software Developer

Miami, FL · On-site

$80K - $130K/yr

Design and develop backend services, APIs, and data-drivenWeb,desktopandmobileapplications ... Experience with JavaScript/TypeScript and Node JS. * Strong background in database design and/or ...

Navtech, Inc.

IVR Developer

Tampa, FL · On-site

Experience with Amazon Connect, Lex, Lambdas, DevOps, RDS, Kinesis Data, S3, Cloud formation, CI/CD, Node.js. * 3+ years of experience in IVR Call Flow, telephony and Speech Recognition experience

SNC-Lavalin

Senior Software Developer

Orlando, FL · On-site

$80K - $130K/yr

Design and develop backend services, APIs, and data-drivenWeb,desktopandmobileapplications ... Experience with JavaScript/TypeScript and Node JS. * Strong background in database design and/or ...

Arcanium.io

Who we're looking for We are looking for someone who can build anything in JS. You are used to ... You will work on projects ranging from greenfield 1 person MVPs to teams of 4-5 engineers following ...

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Seasonal Backend Developer Node Js jobs near you
Infographic showing various Seasonal Backend Developer Node Js job openings in Florida as of July 2026, with employment types broken down into 90% Full Time, 5% Part Time, and 5% Contract. Highlights an 83% Physical, 3% Hybrid, and 14% Remote job distribution.

Senior Full-Stack Engineer (Node.js / TypeScript)

OnHires

Miami, FL • On-site

$120 - $180/hr

Other

Re-posted 8 days ago

Job description

About Our Client

One of our clients is reimagining how money moves around the world.

They're building a global fintech platform that combines the simplicity of a modern banking app with the power of blockchain technology—without exposing users to the complexity of crypto. The goal is simple: make sending, spending, and managing money across borders feel effortless.

Already serving thousands of users in 130+ countries, the company is now accelerating growth after recently raising $5M in seed funding from leading US and European investors.

This is an early-stage company with a lean, high-caliber engineering team where every line of code has a visible impact on the product.

About the Role

This is one of two founding engineering hires and a unique opportunity for a product‑minded full‑stack engineer who enjoys owning features from end to end.

You'll build across the entire stack—from backend services and APIs to the application layer—working directly with the founders to bring ideas to life. The engineering team believes in shared ownership, so you'll have the freedom to contribute wherever you can create the biggest impact.

If you enjoy solving challenging technical problems while building products users genuinely love, you'll fit right in.

What You'll Be Building

  • Own and deliver features across the entire stack—from backend services to frontend experiences.

  • Design and build scalable APIs and backend systems using Node.js and TypeScript.

  • Collaborate closely with founders, product, and design to turn ideas into shipped features.

  • Make architectural decisions that balance speed, scalability, and maintainability.

  • Improve product quality, reliability, and user experience across the platform.

  • Debug complex technical challenges across multiple layers of the stack.

What We’re Looking For

  • 5+ years of professional software engineering experience.

  • Strong full‑stack development experience across backend and frontend.

  • Deep expertise in JavaScript and TypeScript.

  • Solid experience building production applications with Node.js.

  • A product mindset and a passion for building high‑quality user experiences.

  • Comfortable thriving in a fast‑moving startup environment with high ownership.

Nice to Have

  • React and/or React Native.

  • AWS, Kubernetes, or Terraform.

  • Consumer product or fintech experience.

  • Blockchain, Web3, EVM, or Solidity experience (nice to have, not required).

  • Early‑stage startup experience.

  • Experience helping establish engineering culture and technical standards.

Why You’ll Love This Opportunity

  • Join as one of the company's first founding engineers

  • Build a global product already used in 130+ countries

  • Work directly with the founders and have a real voice in technical decisions

  • Ship fast with minimal bureaucracy and see your work in production quickly

  • Help shape the engineering culture, architecture, and future of the platform

  • Own features from idea to launch—not just individual tasks

  • Join a well‑funded startup with $5M in seed funding and years of runway

  • Make an outsized impact while the team is still small

Who Thrives Here?

We're looking for builders who love ownership, move fast, and enjoy creating products from the ground up.

The strongest candidates are product‑minded engineers who care about the user experience just as much as writing great code. Startup experience is highly valued, but curiosity, initiative, and a willingness to learn matter even more.

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