Forward Deployed Engineer; US​/Spain

Forward Deployed Engineer (US / Spain) If you are interested, please apply here About Crossmint

Crossmint is the leading enterprise-grade, all-in-one stablecoin infrastructure enabling fintechs and enterprises to integrate stablecoin rails and smart wallets with speed, compliance, and scale. Trusted by more than 40,000 clients including global leaders such as Money Gram, WireX, Toku, and more. Crossmint provides embedded smart wallets, on/offramps, cross-chain stablecoin orchestration, token checkout, and other blockchain primitives through simple, developer-friendly APIs, no blockchain engineers required.

Backed by Ribbit Capital, Franklin Templeton, and other top investors. The future of finance is crypto-native. Crossmint makes it easy to get there.

NYC / Miami (preferred). We are also open to candidates based anywhere in Spain, provided they are able to work in alignment with EST business hours.

Full-time

As a Forward Deployed Engineer (FDE), you’ll be part of Crossmint’s strategic team, working directly with our most important enterprise clients to design, build, and deploy custom solutions that bring programmable finance to life. You’ll serve as the technical counterpart to Product and Enterprise teams, embedding with clients to understand their goals, prototype solutions, and deliver production-ready integrations. You’ll move fluidly between building (code), architecting (systems), and advising (technical design), helping organizations like Fortune 500s, fintechs, and governments succeed with Crossmint’s infrastructure.

• Design and deliver client‑specific solutions:
  Build custom integrations, SDK extensions, and on‑chain workflows for programmable wallets, tokenization, and payments.
• Prototype and co‑develop:
  Create proofs‑of‑concept, middleware, or scripts that accelerate client adoption and inform product direction.
• Deploy to production environments:
  Manage deployments, observability, and performance tuning for live Crossmint implementations.
• Collaborate cross‑functionally:
  Partner with Product, Solutions, and Platform Engineering to turn successful deployments into reusable SDKs or APIs.
• Bridge clients and product:
  Translate complex client needs into actionable insights for our roadmap.
• Serve as a trusted advisor:
  Guide client engineering teams through code reviews, technical walkthroughs, and best‑practice documentation.
• Automate and optimize:
  Build tools and scripts that improve deployment velocity, diagnostics, and reliability.
• Champion reliability:
  Uphold white‑glove SLAs and ensure long‑term operability for critical enterprise clients.

You’re an engineer who loves building with customers:
Equal parts creator, problem‑solver, and collaborator. You thrive in ambiguous, high‑impact environments where every deployment is unique.

• 4+ years of software or solutions engineering experience, ideally with enterprise deployments or fintech/Web3 infrastructure.
• Proficiency in Type Script or Python, and familiarity with React or similar front‑end frameworks.
• Solid understanding of REST APIs, authentication flows, webhooks, and observability tools (e.g., Datadog, Sentry).
• Experience writing and deploying Solidity smart contracts (ERC‑721, ERC‑1155, ERC‑20, or SBTs).
• Proven ability to integrate third‑party SDKs or build middleware for large‑scale clients.
• Strong communication skills, comfortable interacting with both executives and engineers.
• High autonomy and adaptability, able to iterate quickly on high‑stakes projects.
• A desire to deepen expertise in tokenization, programmable wallets, and agentic commerce frameworks.

• Prior experience as a Forward Deployed Engineer, Partner Engineer, Sales Engineer, or Technical Solutions Engineer in enterprise SaaS, fintech, or crypto.
• Built or contributed to Web3 open‑source projects or agentic systems.
• Familiarity with automation tools (e.g., Zapier, scripting, AI copilots) to improve developer efficiency.
• Contributed to SDKs, middleware, or infrastructure products used by external developers.

• Highly competitive location‑based compensation.
• Stock options program.
• Unlimited, flexible PTO.
• Flexible…