Senior AI Engineer (Conversational AI)

October 21, 2026

Remote

Senior

Poland, Portugal, Spain, Ukraine, Croatia, Serbia, Romania, South Africa, Kazakhstan, Egypt, Turkey, Brazil, Argentina

Description

A fully remote global company of 250+ people is hiring for six roles at once. The openings cover a Senior AI Engineer for conversational AI, a CXG Data Specialist, Backend Engineers at staff and senior/lead level, a Senior Product Designer and a Product Operations Manager. Hiring runs across a long list of countries, with a separate eligible-country list for each role. Applications go through links posted in the comments to the original posting.

Responsibilities

Build the voice and chat AI inside the platform from technical design to production
Own evals and benchmarks and pick the model that fits each job
Keep customer data clean across Customer Success, RevOps and Sales systems
Hunt down duplicate accounts in HubSpot and merge them
Own architecture decisions for distributed, API-first backend services
Design onboarding and AI features used by companies hiring in 185+ countries
Run research and testing before and during design work
Own dashboards, launch checklists and systems that keep 250+ people aligned

Requirements

Technical design and production delivery of voice and chat AI
Owning model evaluations and benchmarks for AI features
Choosing between OpenAI, Anthropic and Gemini models for each task
Keeping customer data accurate across Customer Success, RevOps and Sales systems
Finding and merging duplicate accounts in HubSpot
Distributed systems and API-first design experience for a core platform
Ability to own architecture decisions on backend services
Heavy research and testing experience for product design work
Experience running dashboards and launch checklists across teams
Working inside a fully global remote team of 250+ people

Conditions

Fully global remote company, no office location required
Hiring across Poland, Portugal, Spain, Ukraine, Croatia, Serbia, Romania, South Africa, Kazakhstan, Egypt, Turkey, Brazil and Argentina
Each role has its own list of eligible countries stated in the separate posting
Company of 250+ people that is still actively growing