938 English-speaking jobs in Poznań

technologies-expected : iOS Swift Bluetooth Low Energy Git technologies-optional : Swift Concurrency Combine about-project : At Mood Up, we design and develop digital products for international clients. We are currently looking for a strong Mid iOS Developer to join a full-time IoT project involving mobile communication with connected devices.

Develop AI solutions for a tourism platform personalizing user experiences. Collaborate on AI assistant development, intelligent interest tagging, travel recommendations, and local information tools. Requires advanced Python, AI libraries, and experience with generative AI, vector databases, NLP, and chatbots.

Experienced Record-to-Report Team Leader to oversee daily operations and support process transition into a Shared Services environment.

Lithium Applications Engineer providing technical support and collaborating with sales and development teams. Requires a degree in Engineering and experience in electrical and/or mechanical systems engineering, battery technologies, and data bus protocols.

Design, develop, and maintain enterprise-grade AI assistants using Microsoft Copilot Studio, Azure AI services, and the Power Platform. Build and integrate Power Platform components, including Power Apps, Power Automate, and Dataverse. Collaborate with business analysts and stakeholders to define requirements and translate them into AI scenarios. Ensure AI solutions meet enterprise standards for security, performance, reliability, and compliance.

Senior Ruby on Rails Engineer to build and evolve a leading healthcare platform. Responsibilities include healthcare integrations, booking platform development, and ensuring engineering quality and reliability. Requires at least five years of commercial Ruby on Rails experience, experience integrating with third-party systems, and knowledge of healthcare interoperability standards.

Senior Full-Stack AI Developer will design, implement, and own the lifecycle of a mission-critical AI platform. Responsibilities include architecting AI workflows, deploying and optimizing models, ensuring AI security, and governing AI output. Requires 8-12 years of experience, a production mindset, security expertise, AI-native code review fluency, and the ability to own the entire system lifecycle.

Senior DevOps Engineer role requires 5+ years of AWS experience. Responsibilities include designing cloud infrastructure, managing Terraform, and administering Kubernetes. Skills needed: AWS, Terraform, Kubernetes, CI/CD, Python/Go.

Senior Solution Architect to design and govern end-to-end integration architecture across a complex multi-platform ecosystem. Define integration patterns, including REST APIs, event-driven architecture, and ETL/ELT pipelines. Create architectural documentation and collaborate with engineering, data, and business teams.

Senior Backend AdTech Engineer to architect core systems for a next-gen AdTech platform. Design high-throughput, low-latency services using Python, Django, Kubernetes, and AWS. Requires 5+ years building scalable systems and AdTech experience.

Senior Backend Engineer focused on building and improving core HR workflows using Node.js. This role requires a product-minded engineer to design scalable backend services, ensuring reliability and maintainability. Occasional React frontend contribution is also involved.

Machine Learning Engineer will design, implement, and validate AI solutions for merchant segmentation, churn prediction, and business evaluation. Responsibilities include developing ML algorithms, deploying solutions in cloud environments, and collaborating with engineering teams. Requires experience with Python, ML libraries, cloud platforms, and SQL.

Develop, maintain, and scale core platform services and content management tools using Kotlin/Java, Spring, PostgreSQL, Couchbase, GCP, Hermes, Kubernetes, and Docker. Actively monitor, optimize, and analyze platform systems to ensure stability and reduce technical debt. Provide technical support for critical business projects and lead software development initiatives.

Build and improve ML components for data processing, model training, evaluation, and inference. Fine-tune models for production systems using Python and PyTorch/JAX. Solve production issues and deliver reliable, high-performance AI solutions.

Build production AI systems reasoning over industrial knowledge graphs (PlantGraph). Focus on LLMs, RAG, and agent-based systems to solve real-world engineering problems by integrating AI with structured data and workflows.

Business Analyst needed with deep Murex expertise in testing, integration, or technical configuration. Drive end-to-end product delivery for Money Markets, Payments, and FX domains. Requires Murex and capital markets understanding.

Leads the GCP business in Central Europe, combining business development, strategic alliance management, and GCP technology expertise. Responsible for growing revenue from GCP-based projects delivered by engineering teams.

Senior Validation Specialist will determine validation approaches, review software documentation, and author validation plans and reports. Requires 3+ years of experience in IT & Software Validation (CSV, GAMP), preferably in a pharmaceutical environment. Experience with Lean and Agile methodologies, SDLC processes, and regulatory standards (CFR 21 FDA Part 11, Annex 11) is essential. Strong communication, collaboration, and problem-solving skills are required.

DevOps Specialist with mainframe (z/OS) experience needed for long-term project modernizing enterprise development environments. Migrate legacy SCM solutions to modern DevOps toolchains (DBB, Git, IDD). Strong scripting, CI/CD, and cloud experience required.

Senior Backend Engineer to design, build, and scale resilient systems for international clients. Experience with Python frameworks, PostgreSQL, CI/CD, Docker, and AWS/GCP required.