2625 English-speaking jobs in Kraków

Data Engineer to expand and refine data and data pipeline architecture. Will optimize data flow and collection to support cross-functional teams. Collaborate with software developers, database architects, data analysts, and data scientists. Must have experience with Apache Spark, Apache HDFS, Apache Yarn, Apache Hive/Kyuubi, and Airflow.

Senior DevOps Engineer will shape the architecture, reliability, and scalability of cloud-based infrastructure. Responsibilities include developing and maintaining CI/CD pipelines, implementing automation, and collaborating with software developers, QA engineers, and operations. Requires 7+ years of experience in software engineering or DevOps, cloud platform experience (preferably Azure), Infrastructure as Code (e.g., Terraform, Bicep), and scripting/programming skills (PowerShell, Bash, Python).

Data Scientist will design routing and allocation algorithms for parcel delivery, solve large-scale optimization problems, and build models impacting delivery speed, cost efficiency, and customer experience. Must have 3+ years in Data Science/ML roles, strong Python skills, and experience with large-scale datasets and ML methods.

Design, develop, and deploy autonomous AI agents using Python, Copilot Studio, Power Automate, and Azure. Expertise in AI orchestration frameworks (e.g., LangGraph) and secure cloud practices is required.

Data Security Administrator needed with 5-7 years of experience. Strong understanding of networking fundamentals, AD, LDAP, and data security concepts. Experience with Redgate, Varonis DatAdvantage, Boldon James Classifier, and Symantec DLP required. Ability to assess data security risks, communicate technical issues, and work with vendors.

Develop 5G baseband architecture, functionality, and features with a focus on signal processing. Write inventive, high-quality code in a multi-core environment. Maintain and improve the quality of the L1 part of the Baseband product.

Develop new management solutions for 5G and 6G RAN, focusing on a distributed architecture and AI-driven features. Implement and integrate AI/ML solutions into OAM products, leveraging AI-based tools for development and automation.

Own the end-to-end lifecycle of RAN studies using a digital radio channel emulator. Define study objectives, scenarios, KPIs, and acceptance criteria. Analyze study results, identify bottlenecks, and propose optimizations. Collaborate with system, software, and test engineers. Prepare study reports and presentations.

Shape an internally developed radio channel emulator to verify RAN solutions in a digital test environment. Define study objectives, scenarios, KPIs, and acceptance criteria. Analyze study results, propose optimizations, and collaborate with engineers to ensure study outcomes are reflected in requirements, architecture, and implementation.

Senior Erlang Developer will design, implement, and debug Erlang/OTP code in the GTT framework. Responsibilities include investigating and resolving technical issues, collaborating with development teams, and ensuring GTT remains a reliable tool. Requires strong hands-on experience with Erlang/OTP, functional programming, and Linux/bash scripting.

Senior .NET Developer will design, build, and deliver cloud-native applications using Microsoft .NET and Azure technologies. Responsibilities include leading backend service development, implementing event-driven architectures, and ensuring code quality through testing and best practices. Minimum 6 years of experience as a .NET Developer is required.

Fullstack Developer needed for a financial sector project. Design, develop, and maintain APIs using Python, Java, and .NET frameworks. Experience with SQL, Ansible, OpenTelemetry, and IIS required. Collaborate with cross-functional teams to deliver solutions and ensure optimal performance. Fluency in English is essential.

Software Engineer to design, implement, and secure identity flows, APIs, and infrastructure. Experience with identity orchestration platforms, cloud-native APIs, and Terraform required.

Experienced D365 ERP Senior Consultant needed to support GDC Poland team on a flexible basis. Responsibilities include qualifying opportunities, shaping bids, scoping delivery, and acting as the ERP subject matter expert in client-facing discussions. Must have 5+ years of hands-on D365 ERP experience with deep expertise in Dynamics 365 Finance & Operations (F&O).

Global FP&A Manager will collaborate with Business Unit Finance VPs on operational FP&A and projects. Responsibilities include variance analysis, performance monitoring, budget and forecasting, and identifying process improvements. Requires 10+ years of experience in financial controlling, FP&A, or similar, with a preference for manufacturing or multi-revenue stream operations.

Principal Application Security Software Engineer will assist development teams in designing and developing secure software solutions. The role involves implementing new application security tools leveraging AI LLM technologies and collaborating with teams to embed security tools into CI/CD pipelines. The ideal candidate will have expert-level Java development experience and deep familiarity with cloud-based CI/CD pipelines.

Leads the O2C team in delivering high-quality services across transitioned processes, meeting service level agreements (SLAs), and driving operational excellence. Responsible for team management, performance, and continuous improvement initiatives. Manages a team of 10-16 FTEs and ensures smooth handover and service stabilization. Requires experience in BPO/SSC organizations, O2C process management, S/4HANA, and Finance transformation projects.

Experienced Data Scientist to develop and implement machine learning models for demand forecasting. Responsibilities include research, experimentation, and collaboration with cross-functional teams. Requires 5+ years of experience in data science and machine learning with a proven track record of business impact. Proficiency in Python and its ML/data stack is essential. Expertise in time-series forecasting, feature engineering, and explainability is required. Master's or PhD in a relevant field is necessary.

Senior Edge Compute & Backend Engineer will drive feature development, maintain codebases, and manage a multi-CDN delivery platform. Responsibilities include owning end-to-end solutions, acting as a technical authority for delivery infrastructure, and developing and sustaining internal microservices. Requires 8+ years of backend engineering experience and proven experience with major CDNs.

Lead Data Engineer to scale Data Mesh strategy across Vend's product verticals (Mobility, Real Estate, Jobs, Recommerce). Expertise in event-driven architecture (Kafka, CDC), cloud data platforms (GCP/BigQuery or Snowflake), and data quality frameworks. Focus on architecting, documenting, and ensuring usability of data products. Collaborate with product teams, central platform teams, and stakeholders.