Full Stack Engineer

Float Technologies; New York (NY); On-site; USD 120,000 - 180,000; Full time

Job summary

Float Technologies is seeking a Software Engineer, Full Stack in NYC. Join a small, revenue-driven team building a modern, AI-native platform for institutional finance.

You’ll deliver delightful user experiences with React/TypeScript on the frontend and reliable services in Python or Java on the backend, collaborating with design and product. This on-site role is based in SoHo, offering the chance to tackle complex markets with scalable, data-driven interfaces.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• This role is based in-person at our NYC office in SoHo.
• Strong React and modern JavaScript/TypeScript.
• Experience with Python or Java for backend.
• Experience with MongoDB and RESTful or GraphQL APIs.
• Familiarity with cloud platforms (AWS, GCP, Azure).

Responsibilities

• Develop and enhance frontend UIs with React/TS.
• Collaborate with design and product to translate requirements.
• Build scalable backend services in Python/Java.
• Work with data APIs and databases.

Skills

React

TypeScript

JavaScript

Python

Java

REST/GraphQL

MongoDB

Cloud (AWS/GCP/Azure)

Communication

Education

Bachelor’s in Computer Science or related field

Tools

MongoDB

RESTful APIs

GraphQL

AWS/GCP/Azure

GitHub

Job description

The OTC derivatives market moves trillions of dollars daily on infrastructure that hasn't fundamentally changed in decades. We're building the platform for the next evolution of financial services.

Software Engineer, Full Stack

About Us

The OTC derivatives market moves trillions of dollars daily on infrastructure that hasn't fundamentally changed in decades. We're building the platform for the next evolution of financial services.

We're a small team that came from trading, quant, and engineering roles at tier one financial institutions who were previously responsible for creating some of the most innovative products in the market. We are now building a platform which can process the most complex transactions executed across financial markets. We are building this right: delightful experience, modern stack, AI-native architecture.

Our clients are the most sophisticated banks, hedge-funds, and asset managers in the world. The problems are extremely hard, the scale is massive, and we're creating infrastructure that will define how this market operates for decades to come.

Our Tech Stack

We are cloud-native employing serverless compute and IAC by design, with services written in both Python and Java. We leverage the latest foundation models and AI tooling, with a front end based on Typescript / React.

We have a fully automated SDLC utilizing Github, Logfire, Vercel and other technologies for rapid and continuous intraday deployment.

About The Role

In this role, you will be responsible for supporting and enhancing the systems that power Float’s derivatives and capital markets platform. You will work closely with the team to translate financial and business requirements into reliable, scalable, and user-focused solutions. This position is ideal for individuals with experience in financial markets who are comfortable working with complex instruments and motivated to contribute to a fast-moving startup shaping the future of institutional finance. This is a hands‑on engineering role with a focus on front‑end development.

Requirements

• Bachelor’s in Computer Science, Engineering, Mathematics, Financial Engineering, or a related field
• This role is based in-person at our NYC office in SoHo
• Strong proficiency in React and modern JavaScript/TypeScript frameworks
• Experience building responsive, accessible, and data-driven frontend applications
• Proficiency in Python, Java, or other backend languages for full‑stack development
• Experience working with object databases (e.g., MongoDB) and RESTful or GraphQL APIs
• Familiarity with cloud infrastructure and deployment (e.g., AWS, GCP, Azure)
• Solid understanding of software design principles across frontend and backend
• Ability to collaborate effectively with cross‑functional teams, including design and product
• Excellent problem‑solving, debugging, and communication skills

Bonus Qualifications

• Financial knowledge such as reference data, pricing, and market data integration
• Experience with trade capture, valuation, or risk systems
• Familiarity with financial products such as derivatives, FX, or fixed income
• Understanding of post‑trade workflows and data reconciliation
• Prior experience working with institutional clients or within capital markets
• Experience building or integrating Generative AI (OpenAI, Anthropic, Gemini) solutions for financial applications