1013 English-speaking jobs in Poznań

Senior Full-stack Software Engineer will design, develop, and test full-stack features using Java/Spring microservices and Angular. Responsibilities include owning CI/CD pipelines, containerized deployments, and cloud-native infrastructure. Experience with relational and NoSQL databases, Agile methodologies, and AI-assisted development tools is required.

Senior Software Engineer (Python) will design, develop, and implement web-based applications using Python, AWS, FastAPI, and FastMCP. Responsibilities include collaborating with Product Design and Product Management, implementing new features, and mentoring junior engineers. Requires 7 years of experience in commercial-grade web application development using Python and proficiency with data-driven web applications.

Fullstack Developer to join a Swiss client building a key system from scratch. Requires NodeJS, React, and TypeScript expertise, PostgreSQL, and cloud platforms (Azure, Hetzner). 5+ years experience, fluency in English, and agile work style.

Senior MuleSoft Architect needed to design and deliver API-led integration solutions. Experience with Mule 4, SAP integrations (IDoc, BAPI, OData), API-led architecture, and cloud platforms required.

Senior Business Analyst to join IT projects for financial institutions, primarily insurance companies. Conduct complex business analysis, define functional requirements, and test solutions. Collaborate with developers and IT architects.

Senior C++ Developer needed for a high-performance airline retailing platform. Responsibilities include designing, coding, and testing software solutions, collaborating with teams, and resolving technical issues. Requires 5+ years of C++ experience, a Bachelor's degree, and experience with cloud deployments (GCP preferred). Travel industry knowledge is a plus.

Lead IT implementation or advisory projects for the insurance sector, combining consulting, project management, and insurance business expertise. Manage projects from initiation to closure, overseeing timelines, scope, budget, risks, and dependencies. Supervise business analysis and solution design, act as a team leader, and build client relationships.

As a Machine Learning Engineer on the Retail ML team, you will design, develop, and maintain machine learning solutions for dynamic pricing, demand forecasting, and data-driven buying decisions. You will build, optimize, and productionize models at scale, explore LLM-based methods, and collaborate with stakeholders to translate retail challenges into measurable ML outcomes.

Experienced AI Software Engineer to build scalable AI-driven solutions in production environments. Focus on designing, architecting, and deploying backend services and APIs. Collaborate with Data Scientists, MLEs, and Product teams. Strong Java and/or Python skills, AWS experience, and proven track record of delivering AI/ML solutions required.

Senior Full-Stack Developer to build and maintain web applications (80% Angular, 20% Java) and contribute to cloud transformation initiatives using AWS.

Application Consultant will design, develop, and maintain software systems using Guidewire (PolicyCenter or BillingCenter) and Java. Responsibilities include collaborating with teams, implementing CI/CD pipelines, and ensuring application performance and scalability. Requires minimum 4 years of commercial experience as a Guidewire or Java Developer and at least 3 years of hands-on Guidewire experience.

Staff AI Engineer needed for remote-first company. Design and build LLM-based features using Gemini, ChatGPT, Claude. Expert Python knowledge (5+ years) and experience with LLMs, LangChain, LangGraph, LangSmith required.

Senior Site Reliability Engineer will collaborate with Platform and Engineering teams on reliability and observability initiatives. Responsibilities include improving observability tooling, responding to production incidents, and partnering with product engineers to design and operate reliable services.

Senior Frontend Engineer will lead design system efforts, building a shared UI foundation and addressing recurring frontend needs across product teams. They will define standards, documentation, and governance for UI consistency and accessibility, driving adoption and migrations.

Lead AI Engineer will design and build AI Agentic systems for production-grade platforms. Collaborate with cross-functional teams on architecture and technical direction. Act as a trusted technical advisor, challenging assumptions and proposing solutions.

Experienced Python Engineer to join a team building innovative, data-driven recruiting products powered by AI. Responsibilities include designing, developing, and maintaining AI agent systems that connect people to jobs at scale.

Lead and grow a team of Application Security Engineers, driving end-to-end application security across products, APIs, and AI-powered services. Define and optimize the AppSec tooling stack, integrate security into CI/CD workflows, and secure AI/ML features.

Senior Software Engineer to contribute to an Internal Developer Platform, focusing on boosting Engineering Productivity and Delivery Efficiency. Responsibilities include building and documenting services, supporting runtimes and frameworks, and establishing technical direction. Requires experience with distributed systems design, CI/CD systems, Java, and AWS/Kubernetes.

Senior AI Engineer to design and develop agentic workflows for intelligent conversational systems in the recruiting industry. Will architect and build systems combining large language models, reasoning components, and data pipelines. Requires 5+ years experience developing and deploying machine learning systems, expertise in NLP techniques, and proficiency with deep learning frameworks.

Senior .NET Developer to design, develop, and maintain backend applications for energy and logistics systems. Experience with .NET 8, ASP.NET Core, SQL Server, Redis, RabbitMQ, Docker, and AI tools is required.