Treasure Data

At Treasure Data, we’re on a mission to radically simplify how companies use data and AI to create connected customer experiences. Our intelligent customer data platform (CDP) drives revenue growth and operational efficiency across the enterprise to deliver powerful business outcomes.

We are thrilled that Forrester has recognized Treasure Data as a Leader in The Forrester Wave™: Customer Data Platforms For B2C. It's an honor to be acknowledged for our efforts in advancing the CDP industry with cutting-edge AI and real-time capabilities.

Furthermore, Treasure Data employees are enthusiastic, data-driven, and customer-obsessed. We are a team of drivers—self-starters who take initiative, anticipate needs, and proactively jump in to solve problems. Our actions reflect our values of honesty, reliability, openness, and humility.

About the Role:

This is a great opportunity for someone who’s excited about breaking into the AI space — especially Generative AI — while working on real production systems at scale. If you're passionate about LLMs, writing solid Ruby code, and collaborating with a tight-knit team that ships, we encourage you to apply!

Responsibilities & Duties:

• Building new features and improving existing ones, focused on Generative AI capabilities
• Working with other engineers, PMs, and designers to design scalable solutions
• Writing clean, efficient Ruby code (mostly Rails) with a focus on performance
• Staying on top of AI/ML trends (LLMs, prompt tuning, etc.) and sharing with the team
• Helping operate and maintain the systems we own (including on-call rotations)

Required Qualifications:

• 5+ years of professional software engineering experience
• Strong Ruby / Ruby on Rails skills
• Familiarity with LLMs (prompt engineering, model deployment, fine-tuning)
• Solid SQL and experience with relational DBs
• Comfortable with AWS or similar cloud setups
• Problem-solving abilities and innovative thinking
• Business-level English
• Good communicator and team collaborator
• Openness to feedback and continuous learning

Bonus Experience (not required, but great if you have):

• Python skills
• Familiarity with Kubernetes, Helm, ArgoCD
• Experience with Terraform or other IaC tools
• Frontend development experience with React and TypeScript

Why You’ll Love Working Here:

• Work on high-impact projects with real-world applications in AI and data
• Learn from and collaborate with talented engineers, designers, and product managers
• Be part of a remote-friendly, flexible workplace with a global team
• Enjoy mentorship opportunities and professional growth
• Competitive salary, benefits, and a modern, collaborative work culture

About Treasure Data:

Treasure Data is the Intelligent Customer Data Platform (CDP) built for enterprise scale and powered by AI. Recognized as a Leader by Forrester and IDC, Treasure Data empowers the world’s largest and most innovative companies to deliver hyper-personalized customer experiences at scale that increase revenue, reduce costs, and build trust.

Through unique capabilities such as the Diamond Record, AI Agent Foundry, and AI Decisioning with Real-Time Personalization, Treasure Data enables marketing and CX teams to personalize cross-channel engagement in real-time, optimize marketing spend while increasing ROI, and drive customer lifetime value through more intelligent retention and loyalty.

Our Dedication to You:

We value and promote diversity, equity, inclusion, and belonging in all aspects of our business and at all levels. Success comes from acknowledging, welcoming, and incorporating diverse perspectives.

Diverse representation alone is not the desired outcome. We also strive to create an inclusive culture that encourages growth, ownership of your role, and achieving innovation in new and unique ways. Your voice will be heard, and we will help amplify it.

Agencies and Recruiters:

We cannot consider your candidate(s) without a contract in place. Any resumes received without having an active agreement will be considered gratis referrals to us. Thank you for your understanding and cooperation!