Staff Backend Engineer &ndash

Role : Staff Backend Engineer AI Wallet

Location : Remote or Bay Area.

Remote. Full time.

About the job :

Advantra is partnering with a high-growth fintech and crypto startup in Remote or Bay Area to hire a Staff Backend Engineer to design and scale backend systems powering AI-driven trading and wallet infrastructure.

About the role :

You will build and maintain the backend systems that power trading automations, copy-trading groups, referral programs, and AI-driven onchain infrastructure. You will design distributed, high-performance services, integrate AI / ML pipelines, and support blockchain transaction processing. You will own projects end-to-end, from requirements to production, and work closely with product and engineering to deliver robust, scalable systems.

Responsibilities :

• Design, implement, and scale backend services for trading automations and wallet operations.
• Build distributed systems and high-performance APIs to support millions of users and transactions.
• Integrate AI / ML features, including RAG pipelines, embeddings, and LLM-powered services.
• Work with blockchain APIs and DeFi protocols to enable secure onchain functionality.
• Own end-to-end projects from requirements gathering to production deployment.
• Implement CI / CD pipelines, observability, monitoring, and incident response practices.
• Troubleshoot and resolve production issues, lead root cause analysis, and drive stability improvements.
• Collaborate with cross-functional teams to align backend architecture with product and AI goals.
• Mentor junior engineers and promote best practices in backend development.

Core requirements :

Nice to have :

How to apply :

Email careers@theadvantra.com with links to shipped work and a short note on what you owned. Company name shared after the intro.

About Us :

Advantra-Upstart Crew is a search program inside Advantra Consulting. We partner with early stage and high growth startups to hire the top 2% in Tech and GTM. We run end to end searches, from single role headhunts to full team build outs, using domain experts and a vetted network to deliver tight shortlists. We stay close to founders and candidates so the relationship lasts beyond the first hire.