Senior AI Engineer (Voyager)

Join Relay, a fast-growing fintech company on a mission to help small businesses thrive. As a Senior AI Engineer, you'll be at the forefront of building innovative banking products and shaping the future of finance. You'll work on AI infrastructure, lead exploratory initiatives, enable developer productivity, and partner with product teams. Enjoy a competitive salary, equity, comprehensive health benefits, flexible vacation, and a hybrid work environment.

You have strong judgment about emerging technology, and can evaluate what's genuinely useful versus what's currently loud

You’re a collaborative team player, eager to pitch in, ask questions, and provide and receive feedback

About Relay

Small businesses are why we're here: Relay exists to help them thrive -- and that mission has to resonate with you

You build with AI, not just use it: You're actively embedding AI into how you work, pushing what's possible, and bringing your team along with you

You crave autonomy: We trust our team with big challenges and the freedom to solve them. If you’re someone who takes initiative, is comfortable taking risks, and seeks input when needed, you’ll find the freedom here empowering

You’re energized by complexity and ambiguity: You enjoy tackling problems that don’t come with a playbook. You’re comfortable building from scratch, iterating as you go, and collaborating to shape the best path forward

You push relentlessly for reinvention: You're always asking "how can this be better?" -- in your work, in your craft, in yourself. Comfort is a signal to push harder, not coast. You'd rather build something better than defend something familiar

You're encouraged to apply even if your experience doesn't perfectly match the job description -- your perspective and drive matter more

Responsibilities

• Concevoir, déployer et gérer des systèmes LLM sécurisés et réutilisables pour améliorer l'expérience produit.
• Diriger des initiatives exploratoires pour évaluer et valider les technologies émergentes, en produisant des recommandations claires.
• Collaborer avec les équipes produit en tant qu'expert en IA, en les aidant à prendre de bonnes décisions techniques.
• You proactively drive enhancements and lead initiatives to enhance code quality, optimize performance, and streamline development processes
• You mentor junior engineers, sharing expertise and fostering the growth and skill development of the entire team
• You take ownership end-to-end, solving problems creatively and proactively, while keeping the customer and business impact front-of-mind

Requirements

• Have built platform or shared services used by other engineering teams
• Have hands-on experience building with LLMs, including self-hosting or serving open models, retrieval systems, evaluation, or agentic workflows
• You can move between exploration and production, knowing when a rough spike is the right answer and when something needs to be built to last
• You thrive in fast-paced, dynamic environments and are comfortable navigating ambiguity and change
• You own your work: You take pride in your work, follow through on commitments, and feel a deep sense of responsibility for outcomes, not just tasks
• You care about impact, not noise: You care deeply about the substance of your work. You measure success by results, not recognition, and you let your work speak for itself
• You seek out feedback: You see directness as respect, not criticism. You actively seek input, sit with hard truths, and use feedback as fuel for improvement