1707 English-speaking jobs in Poznań

Senior Frontend Developer will contribute to mission-critical initiatives within a large-scale cloud ecosystem. Responsibilities include delivering software development, testing, and documentation, supporting KTLO activities, and implementing feature enhancements. Requires 5+ years of backend experience, strong JavaScript/TypeScript and Angular (ng2) skills, and familiarity with cloud platforms and monorepo-based development systems.

Senior QA Engineer will design, execute, and maintain test cases for functional, integration, and regression testing. Validate API integrations and payment flows, and collaborate with developers, product managers, and external providers.

Senior AI Engineer will design, build, and maintain AI-powered services integrated into PubNub's platform. Responsibilities include architecting low-latency ML and LLM pipelines, building internal frameworks, and collaborating with product and engineering teams. Must have 5 years of software engineering experience, 1 year of hands-on experience with AI/ML systems in production, and experience deploying and scaling LLMs.

Designs, builds, and deploys machine learning models with a focus on graph algorithms and Graph Neural Networks. Performs data analysis on large datasets to identify patterns and trends. Translates business problems into data science projects, selecting appropriate tools and methodologies. Collaborates with other roles throughout project lifecycles. Develops and maintains APIs and microservices for AI integration. Proposes AI solutions to customers based on collected information. Requires 5 years of commercial data science experience with a proven track record of delivering impactful machine learning solutions. Expertise in Python development, ML frameworks (PyTorch, TensorFlow), and libraries (Scikit-learn). Hands-on experience with graph databases (e.g., Neo4j) and GNNs is preferred. Knowledge of distributed data processing technologies (e.g., Spark, Kafka) and cloud environments (AWS, Azure, or GCP) is beneficial. Strong problem-solving, analytical, and communication skills are required. Fluency in English is essential.

Senior Backend Developer will lead product development, from ideation to implementation, collaborating with cross-functional teams. Requires 8+ years of experience as a Software Engineer with expertise in Python, Java, PostgreSQL, and Elasticsearch. Must have experience with AWS and be comfortable working in Agile environments.

Staff Front-End Engineer to drive technical vision and architecture for a SaaS video communication platform. Responsibilities include defining front-end standards, designing scalable solutions, and leading technical discussions. Requires expertise in JavaScript, Vue.js, and building high-traffic, real-time applications.

Data Architect needed for a debt collection client project. Design, evolve, and govern modern data platforms spanning cloud and on-premises environments. Strong Databricks, Delta Lake, and Apache Spark experience required. Solid understanding of Azure data services and modern cloud data architectures. Experience with data governance, data quality, and enterprise data standards. Excellent communication and mentoring skills.

Software Engineer (Kotlin) will design and develop scalable microservices using Kotlin for Backend-for-Frontends (BFF). Responsibilities include infrastructure provisioning with Terraform, migrating data from a legacy PHP monolith, and collaborating with mobile engineers. Must have 5+ years of backend software development experience, strong proficiency in Kotlin (server-side), and hands-on experience with Google Cloud Platform (GCP).

Idego Group seeks experienced Python Developers with 6+ years of experience in Python, Django, and DRF/FastAPI. Successful candidates will build and maintain backend services and APIs, handle legacy decommissioning, and participate in planning and code reviews.

Lead a frontend team of 2-6 engineers, guiding technical decisions and building high-quality user interfaces for a confidential computing platform. Experience in TypeScript, React, and modern frontend technologies is required.

Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires commercial experience with C#, .NET, SQL databases, and Angular.

DevSecOps Consultant will design, implement, and optimize DevSecOps pipelines, integrate security controls into CI/CD workflows and IaC, and collaborate with development, operations, and security teams.

As a Financial Planning & Analyst Intern, you will support budgeting, closing, and forecasting processes. You will assist with financial reporting, data analysis, and project work.

FP&A Intern supports budgeting, closing, and forecasting processes. Assists with financial reporting, audit support, and data analysis. Collaborates with finance teams and contributes to FP&A projects.

The Candidate Engagement Manager will develop and implement project plans to support underrepresented job seekers in Poland, Slovakia, and Czech Republic. This role requires collaboration with internal and external stakeholders to identify barriers to inclusion and implement solutions to create opportunity parity. The successful candidate will own program procedure documentation and act as a subject matter expert to improve key partnerships.

Senior Python Engineer will build and deploy applications using standard tools. Responsibilities include working in Scrum, advising clients, creating documentation, and reporting to a Team Leader. Requires 5+ years of Python development experience, proficiency in Django/Flask, SQLAlchemy, and related technologies, and experience with enterprise systems, RESTful APIs, and cloud deployment platforms.

PhD position available at the Institute of Bioorganic Chemistry Polish Academy of Sciences. Research focuses on dynamic RNA structures of influenza A virus as targets for novel peptide nucleic acids. Successful candidates will have a MSc degree in chemistry/biology or a related field and experience in molecular biology, bioorganic chemistry, or virology.

Lead the migration of data infrastructure from Snowflake to Apache Iceberg. Design, develop, and maintain data pipelines using AWS services including Lambda, Glue, Spark, and Athena. Implement and optimize data models and workflows using DBT and SQL. Integrate and manage real-time data streams using Kafka. Collaborate with cross-functional teams to ensure data quality, performance, and reliability. Provide technical leadership and guidance throughout the migration and implementation phases.

Senior Data Engineer to build and maintain core digital infrastructure for a leading German health-tech platform. Requires 5+ years experience, fluency in English, and expertise in Airbyte, Airflow, and dbt. BigQuery (GCP) and Hex.Tech knowledge is a plus.

Fullstack developer to build core digital infrastructure for a leading German health-tech platform. Experience with TypeScript, Node.js, React, GCP, Firebase, SQL, and NoSQL required. Contribute to both backend and frontend development with a focus on backend logic and data modeling.