developer English-speaking jobs in Pruszków

Fullstack .NET & TypeScript developer for a Norwegian fintech client. 65% backend development (including 3rd party integrations), 25% analysis & architecture, 10% testing. Project utilizes modern technologies and architecture with React frontend and .NET/Node.js backend hosted on AWS. Emphasis on code quality, testing, and collaboration.

Backend Developer will design, develop, and maintain APIs using FastAPI, integrate Generative AI tools, and manage databases.

Mobile automated test engineer for Electronic Flight Bag (EFB) solutions. Focus on iOS platform with cross-platform components. Responsibilities include testing and optimizing existing test suites, ensuring safety in the air, and collaborating with global stakeholders. Requires software engineering background, experience with automated testing, and strong English communication skills.

Senior Pre-Sales Engineer needed to partner with sales teams, identify customer challenges, and architect solutions using cloud platforms (AWS, Azure, Oracle, GCP, IBM Cloud). Requires 5+ years of B2B pre-sales experience in cloud infrastructure and web security. Must possess deep technical expertise in networking, web infrastructure, virtualization, containerization, and web delivery.

UNICEF seeks a consultant to lead education sector coordination, develop a national framework for Polish language instruction, and support volunteering and youth engagement initiatives.

Lead the design and implementation of Guidewire insurance solutions using Java/Gosu. Manage project teams, ensure timely completion, and advise clients. Requires 4+ years of software development experience, 1+ year in a leadership role, and fluency in English.

Product Owner with Project Management skills needed to support strategic fixed-price projects. You will guide projects within defined scope, budget, and timeline, working closely with clients from the DACH region, Poland, and the United States. Responsibilities include conducting business needs analysis, facilitating client workshops (primarily in German), and managing the full Software Development Life Cycle.

Experienced Senior AI Manager needed to lead business development, go-to-market strategies, and client engagement for AI solutions. Requires 10+ years in Data Science/Machine Learning, business development, and proficiency in Python, R, and cloud platforms.

The Sales Specialist will sell medical products, conduct cold calls, provide customer service, and maintain client relationships. Fluency in Dutch and English is required, along with previous sales experience.

Internship opportunity with Marsh's US Tax Operations Team in Warsaw. Gain hands-on experience in US tax operations within a global professional services firm. Successful interns may have the chance to extend their cooperation and grow into a US Tax Consultant role.

Serves as the primary point of contact for technical and quality-related customer queries. Communicates with internal and external stakeholders, prepares product specifications, and delivers customer documentation. Manages projects, provides progress reports, and supports product development and audits.

Planner 5D seeks an experienced Android Engineer to develop next-generation mobile experiences. Responsibilities include building custom views and APIs, optimizing performance, and experimenting with new features. Requires 7+ years of Android development experience, proficiency in Kotlin and Java, and understanding of Android frameworks, libraries, and best practices.

Lead SAP CAP Engineer to design, build, and implement scalable backend services using JavaScript and SAP CAP framework. Coach and supervise developers, implement REST APIs, and ensure code quality through testing and agile methodologies.

Senior Python Developer needed for a growing technology department. Must have experience with Python 2.x or 3.x, a Python web framework (Django, Flask, or FastAPI), Git, and strong English communication skills. Experience with additional frameworks, front-end technologies, and multi-process architecture is a plus.

Senior Global SOX Compliance Analyst will support and maintain Sarbanes-Oxley (SOX) 404 compliance. Responsibilities include risk identification, internal control testing and review, and reporting. Requires 3-5 years of audit experience and strong analytical and communication skills.

Azure Engineer needed for maintenance and management of cloud-based infrastructure components, M365 Online services, and CI/CD pipelines. Responsibilities include automation, performance optimization, security hardening, and technical support. Requires fluency in Azure environments, IaC experience, and scripting skills.

AWS Backend Developer needed for cloud-based fleet management and monitoring. Support and improve telemetry collection, processing, and visualization.

Senior Backend Engineer will design, operate, and improve Saleor-based e-commerce platform features and integrations with external systems. Responsibilities include building Python/FastAPI services, managing Kubernetes deployments, and resolving operational issues.

Senior Software Business Analyst to translate business requirements into technical specifications for a SaaS platform focused on AI-driven process mining and analytics.

Data Scientist needed for SEM keyword structure design, predictive algorithm creation, and campaign management. Requires a Bachelor, MSc, or PhD in Mathematics, Physics, Computer Science, Software Engineering, or a related field. Statistics knowledge and English fluency are essential.