Senior Machine Learning System Builder
On-siteBudapest, Budapest, Hungary
Job Summary
Own detection capabilities end to end, from problem framing and data through experimentation to models running in production and telemetry. Build and maintain data pipelines for sample sourcing, ground truth labeling, feature extraction, and versioned datasets. Design, train, fine-tune, and evaluate models, deploying versioned artifacts like ONNX to JVM-based backends with documented performance benchmarks. Establish automated model build and release pipelines using SageMaker Pipelines for reproducible training and automated evaluation gates. Monitor model quality in production via telemetry feedback loops, false positive escalations, and drift monitoring to manage retraining cadence. Design evaluation methodology for adversarial domains using time-split validation and strict false positive ceilings. Automate the ML lifecycle with AI-assisted development for labeling assistance, evaluation runs, and reporting. Set your own experimentation roadmap prioritized by measurable customer-facing detection gains and share learnings across the team.
Required Qualifications
- 3+ years applied ML experience across at least two of: text/content classification, computer vision, similarity search / embedding models, security or threat detection
- Evidence of end-to-end delivery: models you personally took from data to production, running in systems used by other teams or customers
- Experience building data pipelines for model training: data collection, labeling and ground truth management, feature extraction, dataset versioning
- Strong Python; PyTorch or TensorFlow; experience with model evaluation frameworks
- Solid grounding in statistics and experiment design, including evaluation under distribution shift
- Comfort working across the integration boundary (for example, ONNX consumption from JVM services) rather than stopping at the model artifact
- Fluency with AI coding and agent tooling, and a track record of automating your own workflow with it
- Excellent communication and collaboration abilities; fluent in English
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