1611 poznań English-speaking jobs in Poland

Develop and maintain macOS desktop applications using Swift. Collaborate with cross-functional teams to deliver a secure cloud-based solution.

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 Fullstack Engineer will design, develop, and maintain production-grade platforms for global clients. This role requires 5+ years of experience building web applications, proficiency in at least one of Upside's backend and frontend technologies, and experience with SQL, CI/CD, and stakeholder communication.

Senior Backend Engineer will design, develop, and maintain production-grade platforms for global clients. Requires 5+ years of experience building web applications and proficiency in Ruby, Python, JavaScript, or willingness to learn. Strong understanding of software architecture principles, databases, and CI/CD practices is essential.

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.

Senior Golang Developer will integrate product data streams into a PIM platform, maintain event-driven systems, and improve system stability and performance. Requires 3+ years of Go experience, microservices development, and experience with asynchronous processing, event-driven architectures, and messaging systems.

Senior Backend Kotlin Engineer needed for a client's Search team. Responsibilities include designing, implementing, and optimizing search algorithms. Must have strong backend engineering skills with experience in Kotlin, Go, or Python. Experience with Solr, ElasticSearch, or related search technologies is a plus.

Senior Automation Engineer needed to design, implement, and maintain web and API test automation using modern frameworks and tools.

Senior DevOps Engineer will design, implement, and maintain automated build processes and CI/CD pipelines for various projects. Responsibilities include containerization workflows, Kubernetes deployments, infrastructure-as-code, and automation of deployments and environment provisioning.

Senior C#/.NET engineer to design, develop, and maintain backend solutions for a complex, business-critical system. Experience with large enterprise or SaaS platforms, legacy code, and complex technical problem solving required.

Leads the design, integration, and governance of Operational Technology (OT) systems across a modern utilities environment. Focuses on secure SCADA, telemetry, and industrial automation platforms, ensuring seamless interoperability with enterprise IT, ERP, and cloud ecosystems.

Design, develop, and maintain scalable data pipelines on AWS. Manage and optimize AWS services including S3, Lambda, Glue, Redshift, and EMR. Collaborate with data professionals to ensure efficient data integration and delivery.

Design Engineer Business Analyst with 8+ years of Creo Parametric and SOLIDWORKS experience. Leads CAD system transitions, implements PLM systems, and provides technical support. Requires strong communication and project collaboration 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.

Experienced .NET WinForms Developer to design, implement, and optimize custom WinForms controls for real-time trading applications. Collaborate with backend engineers and ensure smooth multi-threaded UI updates.

Leads the strategy and execution of RedStone's data architecture. Manages a team of data and backend engineers, defines data standards, and delivers real-time intelligence for smart contracts.

Senior DevOps CI/CD Pipeline Engineer needed for a leading German solar energy solutions provider. Design, implement, and optimize GitLab Ultimate-based CI/CD environments. Automate deployment pipelines, enhance IT security, and collaborate with development teams. Requires 5+ years of DevOps experience, 2+ years with GitLab Ultimate, and expertise in Terraform, Ansible, Kubernetes, and cloud platforms.

Backend and Data Engineer needed for building high-performance RESTful APIs using FastAPI and MongoDB Atlas. Expert in asynchronous web services, MongoDB interactions (pymongo and motor), and data modeling. Experience with AWS services (S3, Lambda, Glue) and OAuth2/JWT authentication required.

Experienced Guidewire Business Analyst needed for long-term project. Must have 4+ years experience in insurance/financial sector and strong hands-on experience with Guidewire ClaimCenter or BillingCenter.

Senior Full Stack Developer will design, build, and optimize scalable features for a SaaS platform using Laravel (backend) and React.js (frontend). Requires 5+ years of experience with Laravel and React ecosystems, JavaScript/TypeScript, PHP, HTML5, CSS, and MySQL 8.