Oferty pracy Data Engineer i Data Science330+ Ofert

Znajdź oferty pracy data engineering, data science i AI. Machine learning, analityka i big data.

Lead Data Engineer

Visa Technology Europe sp. z o.o. · Warsaw, POLAND

As a member of the Global Benefits division within the Platform Product Technology organization, this role will be responsible for the ongoing product development, which include Big Data pipelines, AI integrations, and advanced systems that enable issuers to create, manage and distribute powerful cardholder value propositions globally. This role involves supporting and spearheading the development of new features, improving existing ones, ideating and innovating new solutions, designing complex systems and platforms, and ensuring the overall functionality of the Data products.   We are seeking a Lead Data Engineer who will play a crucial role in developing next-generation enterprise-level data pipelines and data assets for Real Time and Batch Data ingestion and processing, incorporating Agentic AI to support Visa's 2030 strategy. In this role, you will collaborate with business partners, stakeholders, data engineers, software engineers, and operations across the company to tackle complex, high-impact data-related initiatives on a global scale. You will also guide and mentor data engineers, ensuring security, scalability, performance, and reliability in all data solutions. As an individual contributor based in Warsaw, Poland you will be reporting to Director of Engineering based in Warsaw, Poland. About the Role Oversee the entire data lifecycle, from data acquisition and ingestion to transformation, storage, and governance for both streaming and batch data pipelines and assets. Lead the analysis, design, development, and implementation of various initiatives, with end-to-end ownership to deliver business capabilities.   Ensure data security, privacy, governance, and compliance with all relevant regulations, and develop and implement auditable policies and procedures. Actively contribute with hands on development to critical projects by developing scalable and reusable modules, core frameworks and automation tools. Develop new products iteratively by building quick Proofs of Concept (POCs) and converting ideas into real products.  Establish engineering best practices for application development, testing, deployment, monitoring, and alerting. Champion the adoption of GenAI and Agentic AI technologies and develop strategies to integrate them into existing data pipeline workflows or develop new ones. Provide tech leadership and motivate a high performing team of data engineers through coaching and mentoring and elevate team talent expertise fostering a culture of innovation and continuous learning. Adhere to Visa's Leadership Principles by promoting collaboration, encouraging constructive debate, and executing with excellence.   This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager. Qualifikationen Basic Qualifications:  10+ years of work experience with a Bachelor’s Degree or 8+ years of work experience with an Advanced Degree (e.g. Masters/MBA) or 3+ years of work experience with a PhD.  Extensive experience as a Data Engineer or in a similar role, with deep expertise in modelling, designing, implementing, deploying, and maintaining complex architectures for Big Data pipelines (ETL, batch, streaming), from inception to delivery.  Expertise in at least one programming language (preferably Java or Scala), and one scripting language (preferably Python).  Strong experience in large-scale distributed data processing systems using Apache Spark, Kafka, Hadoop, Hive.  Experience working with SQL and RDBMS like MySQL or Postgres.  Experience in orchestration tools like Apache Airflow.  Experience in on-prem and/or cloud-based data platforms (AWS or GCP).  Familiarity with Agile methodologies, and modern DataOps / DevSecOps practices.  Excellent written and verbal communication skills, interpersonal and presentation skills, with the ability to articulate data concepts to both technical and non-technical audiences. Ability to translate complex business problems into scalable technical solutions.  Experience or willingness in GenAI / Agentic engineering (e.g., LLMs, MCPs), and tools such as Cloud Code.  Preferred Qualifications:  Proven ability to lead technical teams, manage multiple projects, and work effectively across geographies and functions.  Strong understanding of data quality frameworks, validation methods, and monitoring tools.  Experience working with Apache Iceberg, or Delta Tables Databricks.  Experience in deployment with automated and scalable CI/CD tools (e.g. Github Actions, Jenkins, Maven), and IaC tools such as Terraform.  Experience developing proper metrics instrumentation in Data Platform components using Prometheus, Grafana for operational excellence and incident management.  Experience with containerization technologies and orchestration tools, including Docker and Kubernetes.

Full TimeRemotedirectData & AI
Salary not disclosed2 months ago

Data Engineer / Data Scientist (AI & LLM Solutions) Expert

GFT Technologies SE · Warszawa, PL, Kraków, Poznań, WP, Łódź

Data Engineer / Data Scientist (AI & LLM Solutions) Expert Date:  Mar 4, 2026 Location:  Warszawa, PL, 00-839 Kraków, PL, 30-302 Poznań, WP, PL, 61-569 Łódź, PL, 90-118 Working place:  Hybrid Type of contract: employment contract  Salary range: 18 800 - 28 500 PLN gross/m      What will you do?    We are looking for a hands-on Data Engineer / Data Scientist with a strong Python background and experience in AI-driven solutions. This role combines solid data engineering capabilities with analytical and modeling skills. You will focus on building scalable data pipelines and developing AI/ML and agent-based solutions leveraging LLM technologies. You will join the Transaction Monitoring area within the Anti-Financial Crime Division at one of our UK banking clients, contributing to advanced analytics and intelligent automation initiatives.    Your tasks    Implement data processing pipelines using Python and PySpark Develop supervised and unsupervised machine learning models Build and evaluate LLM-based and Generative AI solutions (prompting, orchestration, evaluation) Develop analytical and alerting models for financial crime detection Perform business-oriented data analysis and functional design Work within the Big Data ecosystem to process and transform large datasets Optimize distributed data processing jobs (Spark)    Your skills    Minimum 5–6 years of commercial experience in similar roles Very good knowledge of Python 3.x Experience with PySpark and distributed data processing Practical experience within the Big Data ecosystem Experience in developing analytical or alerting models Solid understanding of data pipelines and scalable data architectures Experience with Agentic AI frameworks and AI agent development Knowledge of LLMs and Generative AI (prompt engineering, orchestration, evaluation) Experience in: Machine Learning (Supervised & Unsupervised Learning) Large Language Models (LLM) GCP/VertexAI/Google ADK Generative Models (GANs, Variational Autoencoders – VAE) Experience with Spark (Big Data / Streaming) Data analysis skills including business and functional design English level B2+    Nice to have     Experience in financial services or transaction monitoring Experience in Anti-Financial Crime (AFC) domain Experience working in regulated environments    We offer you    Hybrid work in one of our locations: Lodz, Poznan, Krakow, Warszawa, Wroclaw (2 office days per week)  Working in a highly experienced and dedicated team  Benefit package that can be tailored to your personal needs (private medical coverage, sport & recreation package, lunch subsidy, life insurance, etc.)  On-line training and certifications fit for career path  Access to e-learning platform  Mindgram - a holistic mental health and wellbeing platform  Work From Anywhere (WFA) - the temporary option to work remotely outside of Poland for up to 140 days per year (including Italy, Spain, the UK, Germany, Portugal, and Bulgaria)

Full TimeRemotedirectData & AI
PLN 18,800 - 28,500/month1 month ago
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