738 English-speaking jobs in Poznań

Design, build, and optimize high-availability, high-performance systems using Kotlin, Spring, Kafka, and Kubernetes. Develop end-to-end ML systems, integrating BigQuery, Apache Spark, and microservices. Join a team focused on building Allegro Ads, a key product within the Allegro ecosystem.

HR & Payroll Specialist with Hungarian or GermanZAKRES OBOWIĄZKÓW: Supporting personnel administration and payroll processes. Handling requests and inquiries received through the ticketing system. Entering and updating employee data in HR systems. Cooperating with local HR teams and supporting employees in day-to-day HR-related matters.

Leads multiple engineering teams focused on building and optimizing cloud-native infrastructure solutions. Drives Kubernetes-based orchestration and ensures reliability, scalability, and cost efficiency across Relativity's platform. Collaborates with cross-functional teams to deliver infrastructure services.

Leads FRMC engagement across complex global finance transformation initiatives, providing risk insight and ensuring risk considerations are embedded throughout project lifecycles. Manages a team of Risk Managers, supports conception and solution shaping, and provides risk guidance to stakeholders. Requires 12-15+ years of experience in financial risk management, controls, and change management, with a professional finance qualification.

Lead and supervise a team managing contracts and administrative processes for healthcare professionals and stakeholders. Oversee contracting, onboarding, FMV/tiering assessments, and payment processes. Ensure operational procedures are documented, standardized, and compliant. Coordinate with cross-functional teams to support HCP/HCO activities.

Lead AI strategy and delivery across multiple projects, architecting scalable ML and Generative AI systems. Drive end-to-end initiatives from opportunity identification to production rollout. Mentor data scientists and ML engineers, ensuring high-quality output and production readiness.

Finance System Business Partner D365 will implement, maintain, and improve the Treasury Module of Dynamics D365. Responsibilities include designing processes, reviewing documentation, providing support, and coordinating with stakeholders. Requires a finance background, prior knowledge of Microsoft Dynamics (AX or D365), and strong soft skills.

Java Developer will participate in a project for a logistics/eCommerce company, developing and expanding a Warehouse Execution System (WES). Responsibilities include designing, developing, and maintaining backend applications, analyzing and developing existing system components, and creating Proof of Concept solutions.

Senior Data Engineer needed to design and build a new streaming platform (Kafka → Databricks with Declarative Pipelines). Responsibilities include migrating existing batch workflows from Airflow to a cloud-native architecture, keeping the current platform stable, and architecting the serving layer. Requires 3-5 years of data engineering experience, strong consulting mindset, and proficiency in English.

Experienced Data Architect needed for a project building modern data platforms and analytics solutions using Microsoft Fabric and Power BI. Responsibilities include designing scalable architectures, developing Power BI solutions, and ensuring data governance and performance optimization.

Senior Back-end Developer will architect and implement backends, support databases and APIs, and deploy software using Kubernetes and Lambda functions. Responsibilities include investigating and resolving production issues, implementing automated test suites, and working with Product Managers and Senior Engineers.

Senior Frontend Developer needed for a major e-commerce project. Focus on feature development, agile governance, quality assurance, and support. Requires 5+ years of experience with React, TypeScript, and modern JS frameworks.

A Senior Security Engineer will design and implement security controls for AI inference environments, conduct threat modeling, and harden model serving infrastructure. This role requires expertise in security engineering, AI/ML serving architectures, and secure deployment practices.

Senior JavaScript Node.js developer for a FinTech company. Requires 5+ years of back-end development experience, 3+ years with TypeScript, and 4+ years with Node.js. Experience with MCP architecture, agentic system design, and security aspects of AI is essential.

Senior Backend Engineer to architect and build core systems for a next-generation AdTech platform. Design high-throughput, low-latency services using Python, Django, Kubernetes, and AWS.

IT Security Analyst will analyze secrets and credential management practices, identify control gaps, and define security requirements. Experience in IAM projects, IT security analysis, and security governance is required.

Experienced Snowflake Cortex Developer needed to design, build, and deploy AI-powered data solutions. Responsibilities include implementing Cortex Analyst and Search, building Snowflake Agents, and leveraging Cortex for natural language querying. Proven Snowflake Cortex experience and strong understanding of Semantic Models and Semantic Views are required.

Senior Mendix Developer needed for a project with a foreign partner. Responsibilities include designing, developing, and maintaining Mendix applications, collaborating with teams, and providing technical support. Requires 5+ years of Mendix experience, understanding of software development lifecycles, and strong communication skills in English.

As a Custom Software Developer, you will lead and innovate, defining tasks, driving initiatives, and mentoring colleagues. You will provide global technical guidance, shape the organization's direction, and ensure high code quality and security. You will possess deep expertise across multiple technology areas and lead the transition from a modular monolith to microservices.

Data Scientist to develop statistical models and business rules for a trustworthy marketplace. Responsibilities include using a range of modeling techniques, collaborating with engineers and analysts, and deploying models into production. Requires Spark experience, MLOps mindset, strong Python skills, and a deep understanding of statistics and machine learning.