Machine Learning Engineer / ML Engineer - Roleplay Sessions

Synthesia
London, Germany, Switzerland, Ireland, United Kingdom
Workplace: RemoteFull time120,000+ annuallyFunction: Data Science & Machine LearningExperience: 7+ yearsSkills: ["Product-focused development","Pragmatism","Bias towards action","Fast iteration","Commercial alignment"]

Build the applied ML engine behind interactive Roleplay Sessions, enabling AI avatars to listen to learners, score performance, generate real-time feedback, and select the next best response. Partner with product teams to deliver learning-by-doing outcomes, translating ML capabilities into practical, scalable features. This is an engineering-focused applied ML role requiring senior software engineering judgment alongside strong ML problem-solving for commercial product impact.

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FursaFursa
Synthesia
Synthesia
14 hours ago

Machine Learning Engineer / ML Engineer - Roleplay Sessions

✓ Verified Job

Canonical indexed version, validated from employer's careers page.

Source: Company careers pageValidated by: Fursa AI
Last checked: 48 minutes agoStatus: Live

Job Summary

Build the applied ML engine behind interactive Roleplay Sessions, enabling AI avatars to listen to learners, score performance, generate real-time feedback, and select the next best response. Partner with product teams to deliver learning-by-doing outcomes, translating ML capabilities into practical, scalable features. This is an engineering-focused applied ML role requiring senior software engineering judgment alongside strong ML problem-solving for commercial product impact.
Location: London, Germany, Switzerland, Ireland, United Kingdom
Workplace: Remote
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Create models that listen to learners during roleplay.
  • •Score learner performance and generate helpful real-time feedback.
  • •Determine how the AI avatar should respond next based on learner behavior.
  • •Build applied ML systems for the Roleplay Sessions training platform, translating ML into product capabilities.
  • •Work across different products with strong product-focused software development practices.

Pay and Benefits

Salary: 120,000 annually
Equity and Bonus:Equity
Perks:Paid Leave

Key Requirements

  • •Ability to apply machine learning knowledge to solve real product problems.
  • •At least seven (7) years of experience as a software engineer, with at least 2 years at senior level.
  • •Experience in a high-performing engineering team operating at scale in a scale-up or established engineering organization.
  • •Strong alignment with commercial success.
  • •Pragmatism and bias towards action with comfort in fast iteration.
Experience:7+ yearsApplied machine learningGenerative AIEnterprise training
Skills:Product-focused developmentPragmatismBias towards actionFast iterationCommercial alignment
Tech Stack:Generative AILLMAI avatars

Company Brief

Synthesia
Provides an AI video generation platform that creates realistic synthetic presenters and video content from text, enabling enterprises to produce scalable training, marketing, and communications videos without cameras or actors.
Industry: AI & Machine Learning
Company Size: Large (251 to 1,000 employees)
Growth: Scaleup
Valuation: Unicorn (USD 1B+)
Funding: Series C
Headquarters: London, United Kingdom
Founded: 2017
WebsiteLinkedIn