Senior Machine Learning Engineer

Zendesk
Krakow, Lisbon
Workplace: HybridFull timePLN 302,000 - 454,000 annuallyFunction: Data Science & Machine LearningExperience: 5+ yearsSkills: ["Collaboration","Mentoring","Technical ownership","Problem-solving","Working with uncertainty"]

Own end-to-end delivery of ML-powered features for the AI Copilot product, taking models from prototype to production at Zendesk scale. Build and maintain ML infrastructure including serving, inference pipelines, LLM integrations, evaluation frameworks, and monitoring. Partner with scientists and product engineers to productionize research, improve reliability/performance/cost-efficiency, and contribute to architecture decisions while mentoring junior engineers.

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FursaFursa
Zendesk
Zendesk
2 months ago

Senior Machine Learning Engineer

✓ Verified Job

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

Source: Company careers pageValidated by: Fursa AI
Last checked: 11 days agoStatus: Live

Job Summary

Own end-to-end delivery of ML-powered features for the AI Copilot product, taking models from prototype to production at Zendesk scale. Build and maintain ML infrastructure including serving, inference pipelines, LLM integrations, evaluation frameworks, and monitoring. Partner with scientists and product engineers to productionize research, improve reliability/performance/cost-efficiency, and contribute to architecture decisions while mentoring junior engineers.
Location: Krakow, Lisbon
Workplace: Hybrid
Employment Type: Full time
Job Function: Data Science & Machine Learning

Key Responsibilities

  • •Own and deliver ML-powered product features end-to-end, from data pipelines and model integration through serving, monitoring, and iteration.
  • •Collaborate with scientists to productionize research outputs into reliable, user-facing features.
  • •Build and maintain ML infrastructure including model serving, inference pipelines, LLM integrations, and evaluation frameworks.
  • •Contribute to technical design discussions and architecture decisions, with growing influence across teams.
  • •Improve reliability, performance, and cost-efficiency of ML systems by proactively identifying and addressing issues, and mentor junior engineers through code review and knowledge sharing.

Pay and Benefits

Salary: PLN 302,000 - 454,000 annually

Key Requirements

  • •5+ years of software engineering experience with a meaningful focus on ML engineering, MLOps, or building ML-powered products.
  • •Fluent in Python; working proficiency in Ruby is a plus.
  • •Experience building and operating ML systems in production, including model serving, inference pipelines, and monitoring.
  • •Experience integrating LLMs into production systems (prompt engineering, evaluation, or multi-provider setups).
  • •Comfortable with SQL and data infrastructure, including data pipelines, transformations, and data quality.
Experience:5+ yearsML engineeringMLOpsLLM production
Skills:CollaborationMentoringTechnical ownershipProblem-solvingWorking with uncertainty
Tech Stack:PythonRubySQLAWSDockerKubernetesMetaflowMLflowBentoMLS3RDS MySQLSnowflakeDbtLLM ProxyKafka

Company Brief

Zendesk
Provides cloud-based customer service and engagement software, including help desk, ticketing, chat, and CRM tools that enable businesses to manage customer support, self-service, and omnichannel communication at scale.
Industry: Enterprise Software
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Decacorn (USD 10B+)
Funding: Private Equity Backed
Headquarters: San Francisco, United States
Founded: 2007
Glassdoor
Glassdoor: 4.0
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