Senior Machine Learning Platform/Ops Engineer
Senior Machine Learning Platform/Ops Engineer
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Job Description
We power peoples progress.
At Preply were all about creating life-changing learning experiences. We help people discover the magic of the perfect tutor craft a personalized learning journey and stay motivated to keep growing. Our approach is human-led tech-enabled - and its creating real impact. So far 90000 tutors have delivered over 20 million lessons to learners in more than 175 countries. Every Preply lesson sparks change fuels ambition and drives progress that matters.
About the role
As Preply scales its AI-powered learning platform were looking for an experienced Senior ML Platform/Ops Engineer to help productionize machine learning systems with high reliability performance and observability. Youll work at the intersection of ML data engineering and cloud infrastructure enabling fast secure and reproducible model development from training to deployment.
Youll collaborate closely with ML Scientists Backend Engineers and Data Engineers to shape the foundations of our ML lifecycle.
What youll be doing
- Build and maintain ML pipelines for training evaluation and deployment using tools like Databricks MLFlow Airflow DBT Sagemaker Tecton
- Support AI scientist creating reproducible containerized model training environments (on-demand and scheduled) and manage compute at scale (e.g. spot/GPU autoscaling)
- Define and implement observability and alerting for ML systems (model drift data quality feature coverage etc.)
- Design and scale data ingestion and feature transformation flows using batch (e.g. Spark/BigQuery) and streaming (Kafka or equivalent)
- Contribute to internal Python libraries and platform tooling that accelerate experimentation and deployment for all model teams
- Ensure ML services are modular testable and monitored from day one
- Exploration and productionization of LLM-based features (e.g. retrieval pipelines prompt evaluation model serving)
What were looking for
- Proven experience designing and deploying ML systems in production (5 years in relevant roles)
- Proficiency in Python and SQL and orchestration tools (Airflow Kubeflow Dagster etc.)
- Experience with modern cloud platforms (preferably GCP or AWS) Kubernetes and CI/CD workflows
- Understanding of ML model lifecycles: training validation deployment and monitoring
- Strong DevOps practices: Git IaC (Terraform) logging/observability containerization (Docker/K8s)
- Ability to work independently with ML Scientists and mentor peers in reliability testing and delivery. Product impact driven.
- Exposure to LLM serving vector databases or GenAI-powered product flows
Why youll love it at Preply:
- An open collaborative dynamic and diverse culture;
- A generous monthly allowance for lessons Learning & Development budget and time off for your self-development;
- A competitive financial package with equity leave allowance and health insurance;
- Access to free mental health support platforms;
- The opportunity to unlock the potential of learners and tutors through language learning and teaching in 175 countries (and counting!)
Our Principles
- Care to change the world- We are passionate about our work and care deeply about its impact to be life changing.
- We do it for learners- For both Preply and tutors learners are why we do what we do. Every day we focus on empowering tutors to deliver an exceptional learning experience.
- Keep perfecting- To create an outstanding customer experience we focus on simplicity smoothness and enjoyment continually perfecting it as every detail matters.
- Now is the time- In a fast-paced world it matters how quickly we act. Now is the time to make great things happen.
- Disciplined execution- What makes us disciplined is the excellence in our execution. We set clear goals focus on what matters and utilize our resources efficiently.
- Dive deep- We leverage business acumen and curiosity to investigate disparities between numbers and stories unlocking meaningful insights to guide our decisions.
- Growth mindset- We proactively seek growth opportunities and believe todays best performance becomes tomorrows starting point. We humbly embrace feedback and learn from setbacks.
- Raise the bar- We raise our performance standards continuously alongside each new hire and promotion. We build diverse and high-performing teams that can make a real difference.
- Challenge disagree and commit- We value open and candid communication even when we dont fully agree. We speak our minds challenge when necessary and fully commit to decisions once made.
- One Preply- We prioritize collaboration inclusion and the success of our team over personal ambitions. Together we support and celebrate each others progress.
Diversity Equity and Inclusion
Preply is committed to creating a diverse and inclusive environment where people from all backgrounds can thrive. Different opinions and viewpoints are key ingredients in our success as a multicultural Ed-Tech company.
Preply will consider all applications for employment without regard to race color religion gender identity or expression sexual orientation national origin disability age or veteran status. Together we are The World Class.
#LI-DZ1
Required Experience:
Senior IC
Employment Type
Full Time
