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Senior Software Engineer (Python and Solidity)
Senior Software Engineer (Python and Solidity)LiquidFi • Miami or South Florida, Florida, US
Senior Software Engineer (Python and Solidity)

Senior Software Engineer (Python and Solidity)

LiquidFi • Miami or South Florida, Florida, US
[job_card.30_days_ago]
[job_preview.job_type]
  • [job_card.full_time]
[job_card.job_description]

Job Description

What You’ll Be Doing

  • Develop Python services and APIs that tie blockchain infrastructure to the “real world.”
  • Build and ship smart contracts in Solidity that power mortgage tokenization.
  • Obsess over security, reliability, and scalability.
  • Help shape our architecture and technical roadmap.
  • Collaborate directly with product, compliance, and ops — we’re small, so everyone has a big voice.
  • Mentor teammates and bring best practices to everything we ship.

A Day in the Life

You’ll be wearing multiple hats — one minute you’re developing a Solidity contract to manage payments, the next you’re debugging a Python API that feeds data into the blockchain, then pairing with product to brainstorm a new feature, and finally debugging celery tasks to make them faster. You’ll own features end-to-end, from design to deployment, and jump into whatever part of the stack needs your expertise. Every day is hands-on; every day you make a visible impact.

Our Stack

  • Backend : Python (Django, Django Rest Framework), Celery, RabbitMQ, PostgreSQL
  • Smart contracts : Solidity, OpenZeppelin, Hardhat / Foundry
  • Infrastructure : AWS, Docker
  • Blockchain : EVM-compatible chains
  • Integrations : Web3.py, analytics
  • Restrictions

  • No telecommuting
  • No Agencies Please
  • Requirements

  • 10+ years building products, with serious chops in Solidity and Python.
  • Experience developing smart contracts (EVM-compatible).
  • Expert with Python tools and frameworks (Django, DRF, Celery).
  • Strong experience working with distributed systems involving multiple connected components and asynchronous programming.
  • Strong grasp of blockchain fundamentals, DeFi, and token standards (ERC-20, ERC-721, ERC-1155).
  • Bonus : exposure to financial services, mortgages, or asset-backed tokens.
  • About the Company

    We’re a fintech startup on a mission to reimagine the life of a mortgage through blockchain. By tokenizing real estate debt, we’re building a platform that makes the investing in mortgages more transparent, accessible, and liquid. Think : the speed of DeFi meets the trust of traditional finance.

    We’re moving fast, backed by strong partners and profitable. We’re looking for a Senior Engineer to join us and help scale.

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    Senior Software Engineer • Miami or South Florida, Florida, US

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