Machine Learning Engineer

Job not on LinkedIn

🕒 March 24

🇩🇪 Germany – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🤖 Machine Learning Engineer

👻 Ghost score 24%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Blackwall

WebsiteLinkedInAll Job Openings

51 - 200 employees

Founded 2019

🔒 Cybersecurity

🏢 Enterprise

🤝 B2B

💰 $49M Series B - BlackWall on 2025-03

Cybersecurity • Enterprise • B2B

Blackwall is a security infrastructure company engineered by engineers to protect web ecosystems from automated threats while optimizing performance, operational costs, and revenue for hosting environments. It provides cutting-edge defenses and scalability for hosting providers, cloud platforms, and enterprise networks, delivering resilient, intelligent protection and efficiency for millions of sites and applications worldwide. The company focuses on reducing automated attacks and improving hosting performance and profitability.

📋 Description

• Work closely with the Head of AI, product managers, and engineers to develop and deliver AI-driven security features. • Design, train, and deploy machine learning models used to detect malicious traffic patterns, bots, and anomalies in web traffic. • Build and maintain ML pipelines for data collection, training, evaluation, and deployment. • Work primarily in Python, using common ML frameworks and data tooling to train and optimize models. • Integrate ML models into real-time security systems such as WAF and behavioral analytics engines. • Improve data quality, feature engineering, and training workflows to increase model accuracy and reliability. • Monitor model performance in production and retrain models as new data and threat patterns emerge. • Collaborate with data, infrastructure, and product teams to ensure scalable and reliable ML systems. • Communicate findings and model outcomes clearly to both technical and non-technical stakeholders.

🎯 Requirements

• 3+ years of experience as an ML Engineer, Data Scientist, or similar role working with production ML systems. • Strong Python skills with experience using ML libraries such as PyTorch, TensorFlow, or scikit-learn. • Experience building data pipelines and model training workflows. • Good understanding of classification, anomaly detection, and behavioral modeling. • Experience working with large datasets and SQL-based data systems. • Familiarity with deploying ML models into production environments. • Understanding of software engineering best practices such as version control, testing, and CI/CD. • Degree in Computer Science, Engineering, Mathematics, or related field.

🏖️ Benefits

• Flexible working arrangements • Professional development opportunities