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Full-time
postgraduate degree
Posted 12d ago
~40 hrs/week
Responsibilities
Lead the Data Science team in building and deploying scalable machine learning and AI solutions across the full lifecycle. Collaborate with cross-functional teams to translate business needs into technical plans and mentor team members to ensure high-quality production outcomes.
Requirements
Requires 5+ years of experience in applied ML/AI with strong proficiency in Python and SQL. Candidates should have practical experience with the ML lifecycle and LLM-based applications, along with strong leadership and communication skills.
Full job description
Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide. Guardian over millions of consumer, enterprise, and government environments, Bitdefender is one of the industry’s most trusted experts for eliminating threats, protecting privacy, digital identity and data, and enabling cyber resilience. With deep investments in research and development, Bitdefender Labs discovers hundreds of new threats each minute and validates billions of threat queries daily. The company has pioneered breakthrough innovations in antimalware, IoT security, behavioral analytics, and artificial intelligence and its technology is licensed by more than 180 of the world’s most recognized technology brands. Founded in 2001, Bitdefender has customers in 170+ countries with offices around the world. For more information, visit https://www.bitdefender.com
We are looking for a Data Science Team Lead to guide a team building production-ready machine learning and AI systems that support data-driven decision-making across the company.
This is a hands-on leadership role for someone who enjoys combining technical depth, product thinking, and people development. You will work closely with Data Analysis, Data Engineering, Data Warehousing, product teams, and business stakeholders to turn complex business needs into reliable, scalable, and measurable data science solutions.
You will lead work across the full ML and AI lifecycle, from problem framing and experimentation to deployment, monitoring, and continuous improvement. The team works with a practical modern stack including Python, SQL, Airflow, GCP, Docker, Kubernetes, MLflow, Langfuse, FastAPI, BentoML, LlamaIndex, LangChain, Haystack, Milvus, and related tools.
What You’ll Do
Lead the Data Science team in building reliable ML and AI solutions, from problem framing and data exploration to deployment, monitoring, and continuous improvement.
Translate business needs into clear technical plans, measurable success criteria, and practical solutions with visible business impact.
Work closely with Data Analysis, Data Engineering, Data Warehousing, product, and business stakeholders to design scalable data and model workflows.
Set technical standards for clean code, reproducible experiments, model tracking, documentation, observability, and production readiness.
Mentor data scientists, support their growth, and help the team make strong technical and product decisions.
What You’ll Bring
5+ years of experience in applied ML/AI, including hands-on work with production-oriented solutions.
Strong Python and SQL skills, with experience working with complex real-world data and building maintainable workflows.
Experience with the ML lifecycle, including feature engineering, model training, evaluation, deployment, monitoring, and iteration.
Practical exposure to LLM-based applications, such as RAG, embeddings, prompt engineering, vector search, orchestration, or evaluation.
Strong communication and leadership skills, with the ability to explain technical trade-offs and guide both people and projects.
Nice to Have
Master’s degree or PhD in Computer Science, Mathematics, Statistics, Data Science, Machine Learning, or a related field.
Experience with tools such as GCP, Airflow, Docker, Kubernetes, MLflow, Langfuse, FastAPI, BentoML, LlamaIndex, LangChain, Haystack, Milvus, or similar.
Familiarity with MLOps, model governance, observability, data quality monitoring, or reusable ML/AI platform components.
#LI-AP2
Related keywords
Data ScienceMachine LearningArtificial IntelligenceCybersecurityPythonSQLAirflowGCPDockerKubernetesMLflowLangfuseFastAPIBentoMLLlamaIndexLangChain
Safeguarding millions of consumer and business environments since 2001.
Industry
Software Development
Company size
1,001-5,000 employees
Headquarters
Bucuresti, Romania
LinkedIn followers
223,041
Total funding
$187M
Bitdefender is a cybersecurity leader delivering best-in-class threat prevention, detection, and response solutions worldwide.
Guardian over millions of consumer, business, and government environments, Bitdefender is the industry’s trusted expert for eliminating threats, protecting privacy and data, and enabling cyber resiliency.
With deep investments in research and development, Bitdefender Labs discovers 400 new threats each minute and validates 30 billion threat queries daily.
The company has pioneered breakthrough innovations in anti-malware, IoT security, behavioral analytics, and artificial intelligence and its technology is licensed by more than 150 of the world’s most recognized technology brands.
Founded in 2001, Bitdefender has customers in 170 countries with offices around the world. For more information, visit https://www.bitdefender.com.
Offices: 15A Orhideelor Street, Bucuresti, Romania 060071, RO · 3E Palat Street, building E2, 3rd floor, Iaşi, Romania 700032, RO · 6301 NW 5th Way, Fort Lauderdale, FL 33309, US · 9 Antenei Street, 1st floor, Timisoara, Timis 300280, RO · 1 Cuza Voda Street, 1st floor, Cluj, Cluj Napoca 400107, RO