Apply

Senior Data Scientist

Posted 3 months agoInactiveViewed

View full description

💎 Seniority level: Senior, 4 to 5 years

📍 Location: Ireland, Spain, Portugal, Greece, United Kingdom

🔍 Industry: Cybersecurity

🏢 Company: BforeAI

⏳ Experience: 4 to 5 years

🪄 Skills: PythonSQLElasticSearchKafkaMachine LearningMicrosoft AzureMongoDBPyTorchRedisNosqlSparkTensorflow

Requirements:
  • You have a Master's or Ph.D. in Data Science, Computer Science, Statistics, Applied Mathematics, or a related field.
  • You have proven industry experience of at least 4 to 5 years in data science, particularly with a focus on cybersecurity or networking.
  • You have a solid understanding of cybersecurity principles, threat detection, and network protocols.
  • You have strong programming skills in Python.
  • You have experience with machine learning frameworks and libraries such as TensorFlow, PyTorch, Scikit-learn.
  • You are proficient in data manipulation and analysis using SQL.
  • You are proficient in working with NoSQL databases like MongoDB, Redis, Neo4j.
  • Preference for experience with Vector databases.
  • You are familiar with big data technologies such as Spark, Flink, and Kafka.
  • You are familiar with workflow orchestration frameworks like Airflow and Kubeflow.
  • You are familiar with distributed search and analytics engine like Elasticsearch.
  • You have experience with data visualization tools such as Tableau, Power BI, or similar.
  • You have hands-on experience with Microsoft Azure and Azure AI platform; experience with AWS or GCP is a plus.
  • You must have experience with MLOps (i.e., deploying, monitoring, and maintaining machine learning models in production environments).
Responsibilities:
  • Develop and implement advanced machine learning models and algorithms to detect and respond to cybersecurity threats and anomalies in network traffic.
  • Analyze large, complex datasets from various sources to identify patterns, trends, and insights related to cybersecurity and network performance.
  • Collaborate with cybersecurity analysts, network engineers, and other stakeholders to understand their requirements and translate them into technical solutions.
  • Design and conduct experiments to evaluate the effectiveness of different algorithms and models detecting security threats to optimize performance.
  • Build and maintain scalable data pipelines and architectures to process and analyze real-time and batch data.
  • Create and deliver clear, concise, and actionable reports and visualizations for both technical and non-technical stakeholders.
  • Lead with innovation and stay at the forefront of data science, cybersecurity, and networking advancements, continuously bringing new ideas and methodologies to the table.
  • Mentor and guide junior data scientists, providing technical leadership and fostering a culture of continuous learning and improvement.
Apply

Related Jobs

Apply

📍 Portugal

🔍 Wellness

  • Master’s degree or PhD in Computer Science, Data Science, Machine Learning, Statistics, or a related field.
  • Proficiency in Python and experience with machine learning frameworks such as PyTorch, TensorFlow, or similar.
  • Strong understanding of generative AI architectures, including transformers and attention mechanisms.
  • Experience in multi-agent systems and LLMs.
  • Strong problem-solving abilities, with a focus on experimental design and data analysis.
  • Excellent verbal and written communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Have clear scientific thinking and a passion for integration R&D and cutting-edge technology into a product
  • Prior experience in Python and SQL a are mandatory requirements.
  • Understanding of state-of-the-art deep learning techniques, such as Transformers architectures and attention mechanisms, and knowledge of fine-tuning LLMs for enhanced model performance, using techniques such as LoRA, QLoRA, among others.
  • Design and implement structured function calling mechanisms within LLMs to enable dynamic interactions with APIs, databases, and retrieval-augmented generation (RAG) pipelines.
  • Craft clear instructions that help our models understand exactly what we need, creating reusable templates and testing against edge cases.
  • Preprocess, analyse, and curate high-quality datasets to train and fine-tune both embedding and generative models.
  • Develop robust evaluation frameworks to assess agentic AI performance, combining automated evaluation (LLM-as-judge), adversarial testing, human-in-the-loop evaluations, and custom behavioral metrics.
  • Establish monitoring systems that track LLM behavior in production, capturing key metrics around information retrieval, hallucinations, and latency.
  • Stay current with the latest research in generative AI,, share insights with the team, test promising approaches, and help make us better.
  • Collaborate with engineering teams to deploy models in scalable and efficient production environments.

AWSPythonSQLData AnalysisMachine LearningPyTorchData science

Posted 5 days ago
Apply
Apply

📍 Brazil, Portugal

🔍 Wellness

🏢 Company: Wellhub

  • Master’s degree or PhD in Computer Science, Data Science, Machine Learning, Statistics, or a related field.
  • Proficiency in Python and experience with machine learning frameworks such as PyTorch, TensorFlow, or similar.
  • Strong understanding of generative AI architectures, including transformers and attention mechanisms.
  • Experience in multi-agent systems and LLMs.
  • Strong problem-solving abilities, with a focus on experimental design and data analysis.
  • Excellent verbal and written communication skills, with the ability to explain complex technical concepts to non-technical stakeholders.
  • Have clear scientific thinking and a passion for integration R&D and cutting-edge technology into a product
  • Prior experience in Python and SQL
  • Model Development & Fine tuning: Understanding of state-of-the-art deep learning techniques, such as Transformers architectures and attention mechanisms, and knowledge of fine-tuning LLMs for enhanced model performance, using techniques such as LoRA, QLoRA, among others.
  • Function Calling & Tool Use: Design and implement structured function calling mechanisms within LLMs to enable dynamic interactions with APIs, databases, and retrieval-augmented generation (RAG) pipelines.
  • Prompt Engineering: Craft clear instructions that help our models understand exactly what we need, creating reusable templates and testing against edge cases.
  • Data Preparation: Preprocess, analyse, and curate high-quality datasets to train and fine-tune both embedding and generative models.
  • Evaluation and Testing: Develop robust evaluation frameworks to assess agentic AI performance, combining automated evaluation (LLM-as-judge), adversarial testing, human-in-the-loop evaluations, and custom behavioral metrics.
  • LLM Observability: Establish monitoring systems that track LLM behavior in production, capturing key metrics around information retrieval, hallucinations, and latency.
  • Research and Innovation: Stay current with the latest research in generative AI,, share insights with the team, test promising approaches, and help make us better.
  • Deployment: Collaborate with engineering teams to deploy models in scalable and efficient production environments.

AWSPythonSQLData AnalysisMachine LearningPyTorchAlgorithmsAmazon Web ServicesData scienceTensorflowCI/CDRESTful APIsData visualizationData modeling

Posted 7 days ago
Apply
Apply
🔥 Senior Data Scientist
Posted 18 days ago

📍 Canada, UK, India

🧭 Full-Time

🔍 Software Development

🏢 Company: Loopio Inc.

  • 5+ years of experience in applied statistical analysis and machine learning in a software development environment, ideally using Natural Language Processing
  • Experience in the use of statistical analysis and machine learning tools, packages and languages such as scikit-learn, pandas and numpy
  • Strong scripting and engineering skills in Python and proficiency in using query languages such as SQL
  • Knowledge of data structures and algorithms
  • Experience in a high growth agile software development environment (Scrum or Kanban)
  • Experience with PySpark / Databricks and AWS is a plus
  • Experience with deep learning techniques especially for NLP, search and reinforcement learning techniques a plus
  • Working with business stakeholders to identify opportunities where statistical analysis, machine learning, and Natural Language Processing can improve business processes
  • Working with product managers to translate product requirements into R&D activities
  • Researching, developing, and validating models to generate predictions, recommendations, alerts, and other insights
  • Working with engineers to collect, clean, and perform feature engineering and selection on customer data to support model R&D activities
  • Working with engineers on the delivery and integration of models into product
  • Collaborating to define key ML infrastructure and experimentation workflow

AWSPythonSQLMachine LearningNumpyAlgorithmsData scienceData StructuresPandas

Posted 18 days ago
Apply
Apply
🔥 Senior Data Scientist
Posted 22 days ago

📍 Worldwide

💸 90000.0 - 160000.0 USD per year

🔍 Software Development

🏢 Company: Automattic Careers

  • 5+ years of experience in data science, analytics, or a related role within a tech company, preferably SaaS, working with large-scale, complex, product-focused data sets to drive measurable business impact.
  • Strong expertise in experimentation, statistical analysis (e.g., hypothesis testing, t-tests, regression analysis, time series analysis, bootstrapping), machine learning, and predictive modeling.
  • Proficiency in Python and key data science libraries, including Pandas, NumPy, Scikit-learn, Matplotlib, and Seaborn.
  • Fluency using distributed SQL query engines like Hive, Presto, or Trino.
  • Familiarity with big data technologies (e.g., Hadoop, Spark).
  • Employ technical expertise in quantitative analysis, advanced statistics, experimentation, and data mining to develop data-driven strategies for products that democratize publishing and commerce.
  • Proactively identify, define, and test opportunities and levers to enhance the product, ensuring data-driven decision-making that drives measurable business and customer impact. Translate insights into actionable recommendations that influence roadmaps and strategic investments.
  • Contribute to the development and implementation of advanced data analysis techniques and statistical models across multiple business units.
  • Design and drive company-wide data initiatives, shaping the direction of data analytics and insights to support strategic decisions.
  • Mentor and guide data scientists and analysts.
  • Partner with Growth, Product, Engineering, Design, and senior leadership to inform, influence, and execute product and growth strategies, leveraging key insights to drive measurable, company-wide impact.
  • Communicate complex strategic insights and recommendations to non-technical stakeholders, facilitating data-driven decision-making at the highest levels of the company.

PythonSQLData MiningHadoopMachine LearningNumpyData sciencePandasSparkData visualizationData modelingA/B testing

Posted 22 days ago
Apply
Apply
🔥 Senior Data Scientist I
Posted about 2 months ago

📍 United States, Canada, UK, Australia, Singapore, Germany, Romania, Brazil, Japan

🧭 Full-Time

🔍 Technology

🏢 Company: Braze👥 1001-5000💰 Grant almost 2 years agoCRMAnalyticsMarketingMarketing AutomationSoftware

  • 5+ years experience working with cloud or distributed systems
  • Ph.D. in Computer Science or Applied Mathematics
  • Experience with TensorFlow and PyTorch
  • Collaborate with Product Managers and Engineers to leverage data
  • Explore and analyze large customer datasets
  • Build and iterate on various models

Artificial IntelligenceCloud ComputingData AnalysisData MiningMachine LearningPyTorchTensorflowPrototyping

Posted about 2 months ago
Apply
Apply
🔥 Senior Data Scientist
Posted about 2 months ago

📍 Brazil, US, Canada, Argentina, Spain

🔍 Cyber Security

🏢 Company: Tenchi Security👥 51-100💰 $7,000,000 Series A about 1 year agoSecuritySaaSRisk ManagementCloud Security

  • Proficiency in SQL for data extraction, transformation, and analysis.
  • Experience in Python for data analysis, including basic data analysis, transformations, and scripting.
  • Strong experience with visualization of complex datasets.
  • Ability to communicate technical insights to non-technical stakeholders effectively.
  • Familiarity with the security domain is a plus.
  • Familiarity with formal risk and scoring methodologies, regardless of the domain, is a plus.
  • Previous experience in the Cyber Security domain or familiarity with cybersecurity concepts is great.
  • Contributions to open-source data projects or active participation in data science communities are viewed positively.
  • Analyze and interpret large datasets to identify trends and patterns related to cyber security posture and risk.
  • Collaborate with cross-functional teams and customers to build and maintain data-driven models and visualizations that improve user experience and decision-making.
  • Develop and maintain queries and transformations to extract and manipulate data from multiple sources.
  • Contribute to ongoing efforts to optimize data processes and reporting frameworks.
  • Create comprehensive visualizations and reports to communicate findings to stakeholders effectively.
  • Stay current with emerging technologies and methodologies in data science and apply best practices to enhance analysis and modeling processes.

PythonSQLData AnalysisData visualization

Posted about 2 months ago
Apply
Apply

📍 Worldwide

🧭 Full-Time

🔍 Fintech

  • Expertise in causal inference
  • Experience in experimentation
  • Experience in collaboration with stakeholders
  • Lead high-impact data science initiatives aimed at uncovering cause-and-effect relationships
  • Drive strategic decision-making, optimize credit products, enhance customer experiences, and improve financial operations
  • Manage the entire modeling process, from defining problems and developing causal models to deployment, evaluation, and continuous monitoring

PythonSQLData AnalysisMachine LearningData science

Posted about 2 months ago
Apply
Apply

📍 EU

🔍 E-pharmacy

  • Bachelor’s degree in Machine Learning, Data Science, Computer Science or a related field (Master’s or PhD preferred).
  • 5+ years of proven experience in machine learning, statistical modeling, and data visualization tools applied in a business environment.
  • Expertise in programming languages such as Python or R, and familiarity with big data tools (e.g., Spark, Hadoop).
  • Proven ability to communicate findings effectively to diverse audiences.
  • Analyze large and complex datasets to derive actionable insights.
  • Use statistical methods, machine learning models, and advanced techniques to solve high-impact problems.
  • Collaborate with cross-functional teams to ensure seamless data integration and model deployment.
  • Provide actionable insights using cutting-edge techniques in machine learning and statistical analysis.
  • Mentor junior team members, fostering growth and innovation.

PythonData AnalysisHadoopMachine LearningSparkData visualization

Posted 2 months ago
Apply
Apply

📍 Portugal

🧭 Full-Time

🔍 Real estate technology

🏢 Company: Grupo QuintoAndar

  • Expert knowledge of machine learning concepts including regression, classification, clustering, neural networks, and model explainability.
  • Practical experience with deep learning in an industry context.
  • Understanding of challenges in deploying machine learning systems into production.
  • Proficiency in Python.
  • Excellent written and verbal technical communication skills in English.
  • Architect, develop and deploy machine learning systems to production, focusing on search and recommendations.
  • Design and execute experiments.
  • Analyze diverse data types to enhance existing models or create new ones.
  • Participate in discussions regarding the Data Science chapter.

PythonData AnalysisMachine LearningData science

Posted 3 months ago
Apply
Apply

📍 UK

🔍 Advertising technology

The position seeks a talented Data Scientist but does not provide specific requirements.
  • Join the engineering team as we expand our data science efforts.
  • Manage millions of requests each second and make billions of decisions.
  • Utilize the latest technologies to tackle challenges in areas such as traffic, data storage, machine learning, and scalability.

AWSPythonSQLMachine LearningData scienceData visualizationData analytics

Posted 4 months ago
Apply