Career Renew is recruiting for one of its clients a Senior Backend Engineer - DeFi - this is a fully-remote role for US-based candidates. We power one of DeFi’s largest RFQ liquidity sources, facilitating over $25 billion in volume through professional market makers to ensure guaranteed pricing and protection against MEV exploits. We are building the next interface for trading: AI-, mobile-, and asset-agnostic from day one. Whether it's crypto, equities, or beyond, we will simplify the entire trading experience into a single intelligent conversation — setting a new standard for human-market interaction. If you can say it, you can trade it. Role Overview We’re looking for a Senior Backend Engineer to help build the core systems powering our next- trading platform. From scalable APIs and distributed systems to LLM-tuned infrastructure and data pipelines, this is a hands-on role at the frontier of finance and AI. You’ll operate across the stack with high autonomy and collaborate closely with product and engineering to drive a best-in-class user experience. Key Responsibilities Build highly scalable backend systems and APIs powering cutting edge financial platforms. Tune LLM-based models that revolutionize user experience for financial platforms. Build data pipelines for training LLM models that generate financial insights. Work cross-functionally with stakeholders in order to architect the best-in-class user experience. Exercise a high level of autonomy while focusing on accomplishing business objectives across the technical stack. Requirements 5+ years of experience building and architecting distributed software systems 2+ years of experience and advanced skills in Rust Experience with production Databases / Message Queues Bonus Experience working with LLMs (e.g. OpenAI / Gemini) Tech Stack Rust

Postgres

Redis

Kafka

LLM (OpenAI / Gemini)

Cloudflare

What We Offer Competitive salary with a comprehensive token package

A collaborative, remote-friendly work environment

Opportunities to shape the future of trading infrastructure

Compensation & Package Base Salary + Tokens & Equity.

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