Customer.io seeks a Technical Operations Manager on the Strat Ops team to design, build, and maintain AI-powered internal tooling and integrations (Linear, Ramp, Notion, Slack, Google Workspace, 1Password, Kandji, GCP). Responsibilities include partnering on agent infrastructure and evals, building automations with n8n/Python/TypeScript, producing runbooks/documentation, and supporting Strat Ops/BizOps. Requires 3+ years in a technical generalist role at a B2B SaaS company, demonstrated experience in Python/TypeScript/Node.js or Go, hands-on familiarity with LLMs and agent frameworks, practical API/webhook integration experience, and comfort with cloud platforms (GCP preferred). Salary range stated: $115,000–$135,000 USD per year.

Customer.io is hiring a Senior Data Scientist to analyze customer and product behavior, design and analyze experiments, build models and datasets (using SQL and Python), and partner with Product, Marketing, and Data Engineering to inform product and business decisions. Requires 5+ years in a data science role, experience with statistics, experimentation, behavioral analytics, and familiarity with cloud data platforms such as Snowflake or BigQuery. Salary range: $140,000–$150,000 USD per year.

Customer.io is hiring a Principal Product Designer (individual contributor, company-level design leadership) to shape the product design vision, drive the Pluma design system strategy, close design-to-implementation gaps, and lead AI/agentic interface design. The role requires 10+ years of product design experience, experience designing for developer/builder audiences (CLI, API-first), design system stewardship, mentorship, and executive-level communication. Remote for the Americas. Salary range provided: $245k–$276k USD/year.

Customer.io is hiring a Senior Software Engineer to own an email channel end-to-end. Responsibilities include building and evolving product-facing frontends and scaling backend systems that handle high volumes of messages (queues, event streams, rate limiting), integrating with external providers, and operating observability and monitoring. Requires 7+ years experience, strong Go or similar statically typed language skills, React frontend experience, cloud-native familiarity (AWS/GCP), and MySQL experience. Salary range provided: $150,000–$200,000 USD per year.

Customer.io is hiring a Senior Software Engineer (Backend) to design, build, and operate large-scale distributed systems in Go. The role requires 7+ years building scalable systems, experience with cloud-native environments (AWS/GCP), familiarity with MySQL, observability and operating production systems, and ownership of end-to-end architecture, testing, deployment, and monitoring. Salary range: $150,000–$200,000 USD/year.

Build and evolve distributed systems in Go to power large-scale messaging; own architecture, schema design, testing, deployment, and monitoring. Requires 7+ years building scalable distributed systems, experience with cloud-native environments (AWS/GCP), familiarity with MySQL and observability tooling, and strong focus on reliability and performance.

Customer.io seeks a Senior Software Engineer (Full Stack) to design, build, and ship core product experiences. Requires 7+ years experience building/scaling backend services and product-facing features, fluency in TypeScript and a statically typed backend language like Go, experience with React (or similar), APIs, relational databases, and a focus on frontend polish and backend performance. Compensation listed as $150,000–$200,000 USD/year.

Customer.io seeks a Senior Full-Stack Software Engineer to design, build, and ship core product experiences. The role focuses on full-stack features using Go, React, and Ember, with responsibilities including API integration, relational database work, performance and scalability improvements, system design, and using AI agents for code changes. Requires 7+ years building and scaling backend services and product-facing features. Position is remote across EMEA; listed starting salary $150k–$200k USD.