1003 English-speaking jobs in Poznań

Senior Backend Engineer focused on security improvements in production systems. Responsibilities include finding and fixing security issues, improving token lifecycle and access controls, reducing data exposure, and enhancing security detection and logging. Requires strong backend engineering experience, hands-on security implementation skills, and the ability to work across multiple services and repositories.

Senior DevOps/platform engineer to own deployment, reliability, and observability of Voice AI product. Build and maintain infrastructure, CI/CD, and environments. Improve operational quality through automation, documentation, and better defaults. Strong cloud, infrastructure, and AI experience required.

Senior Data Scientist Machine Learning Engineer will design, develop, and deploy ML-powered services. Responsibilities include end-to-end feature delivery, building robust training pipelines, and collaborating with Product Owners. Requires 3+ years of experience researching and shipping ML solutions, strong Python skills, and experience with NLP/LLM techniques.

As a Senior Solution Engineer, you will be the technical bridge between CKEditor products and customers. You will support the sales team, provide technical expertise, conduct demos, offer support, and ensure customer success. You will need 4 years of experience in a customer-facing technical role, strong communication skills, and solid knowledge of JavaScript/TypeScript and web technologies.

Senior Technical Expert will lead the evolution of the company's Data Marketplace, transitioning from a modular monolith to a microservices-based ecosystem. Responsibilities include architectural design, development of new components, and integration of AI-driven search capabilities. Requires expertise in Java 21, Spring Boot, PostgreSQL, MongoDB, and AWS.

Provides Level 3 engineering support for the Microsoft security platform, including Defender, Sentinel, and Security Copilot. Resolves complex technical issues, performs root cause analysis, and implements security policy changes.

Frontend Developer will design and build the user interface for a booking and resource management platform. Responsibilities include creating scalable interfaces, developing complex UI interactions, and integrating with GraphQL APIs. Requires 3-5 years of experience in frontend development, strong React.js skills, and excellent communication skills.

Experienced Microsoft Dynamics 365 Business Central Consultant needed for short-term localization projects in Poland, Spain, and Portugal. Configure Business Central to meet country-specific requirements, ensuring compliance with local legal and reporting standards.

Delivery Manager will oversee the timely and high-quality delivery of digital solutions for clients. Responsibilities include managing project performance, leading issue resolution, coordinating cross-functional teams, and ensuring quality assurance.

Senior Front-End Developer needed to design and build modern web and mobile banking applications using React and/or Angular. Requires 6+ years of experience, proficiency in HTML, CSS, JavaScript, and Git, and strong English communication skills.

Shape and grow high-performing engineering teams that build impactful digital products. Oversee both frontend and backend solutions, ensuring technical excellence and continuous improvement. Lead and manage engineering teams, setting technical direction and delivery standards. Partner with Delivery Managers during proposal phases, providing technical expertise and estimations.

Senior LIMS Specialist will lead technical activities for LIMS implementation, including design, rollout, and vendor coordination. Responsibilities include platform ownership, configuration, performance monitoring, and user support. Requires hands-on LIMS experience, ideally with LabVantage, and strong communication and problem-solving skills.

Senior Fullstack Engineer will own and deliver quarterly goals, lead engineers, and collaborate with product management, design, and analytics to build scalable solutions for purchase protection, disputes, and refunds.

Senior Software Engineer will design, implement, and maintain backend services and APIs using Python or Kotlin within Affirm's microservice and event-driven architecture. Collaborate with stakeholders across North America and Europe to build scalable fraud tooling and infrastructure.

Senior Software Engineer will lead a team responsible for managing critical communication services, including email, SMS, and push notifications. Responsibilities include delivering quarterly goals, collaborating with product management and design, and ensuring the availability and quality of communication services. Requires 5+ years of experience designing, developing, and launching backend systems at scale using languages like Python or Kotlin.

Lead and design a globally distributed AI inference platform with OpenAI-compatible endpoints. Architect and design the core infrastructure of Akamai Inference Cloud, ensuring it is performant, compliant, economical, and explainable. Provide thought leadership on AI inference optimization, model serving architectures, and establishing technical standards for the platform.

Lead Software Engineer will design, develop, and mentor engineers on core backend systems. Responsibilities include leading technical projects, driving architectural direction, and ensuring technical excellence. Requires backend engineering experience with Java, system architecture, and distributed systems.

DevOps Engineer needed for a remote role. Strong experience with IBM integration technologies (ESB/ACE, IBM MQ, DataPower) is essential. Responsibilities include building and deploying integration solutions, standardizing tooling and processes, and ensuring system reliability.

Senior Data Engineer needed to design and build a new streaming platform (Kafka → Databricks with Declarative Pipelines) while migrating existing batch workflows from Airflow to a cloud-native architecture. Must have deep Databricks expertise, streaming experience, and the ability to work with legacy systems.

Senior Python Engineer to build AI-powered products and internal platforms. Experience with FastAPI, Django, cloud platforms, and AI systems required. Frontend experience and knowledge of agentic AI are preferred.