freelance English-speaking jobs in Jaworzno

Senior Analyst will support Partner Ecosystem and Alliances operations, ensuring smooth processes and timely execution. Responsibilities include managing partner requests, coordinating agreements, facilitating Microsoft governance, and supporting sales efforts. Strong communication, problem-solving, and organizational skills are required.

The Principal Product Owner for Order Management System (OMS) defines and executes the global OMS strategy, roadmap, and value delivery. This role connects digital commerce with fulfillment, logistics, supply chain, and B2B journeys. The Principal Product Owner leads, coaches, and empowers cross-functional teams, fostering innovation and continuous improvement. They own and refine the Product Backlog, ensuring reusability, architectural coherence, and long-term sustainability of the digital commerce platform.

Fullstack Engineer to design, develop, and maintain web applications using React, Java, and HTML. Experience in Agile and DevOps environments required. Knowledge of FX trading or banking products is beneficial. Excellent communication and problem-solving skills are essential. Fluent English required.

We are seeking qualified candidates to join our talent pool for future Clinical Operations Lead (COL & Sr. COL) positions. Selected candidates will be contacted for a qualifying call to discuss their experience and timeline. If a matching vacancy arises, an interview will be scheduled. Roles involve providing oversight of regional CRAs, ensuring site compliance, managing site performance, and serving as a liaison between CRAs, project teams, and sponsors. Minimum experience requirements vary by role.

Senior Business Analyst needed for a long-term project with an international energy client. Focus on building and scaling an enterprise Agile tooling platform based on Atlassian tools (Jira, Confluence). Translate business needs into actionable requirements and platform configurations.

The Valuation Control Group Manager supervises valuation control of a business, including validation of market data, reporting, and analysis. Responsibilities include developing valuation methodologies, ensuring regulatory compliance, and managing escalation of pricing issues. The role requires a Bachelor's or Master's degree in finance, economics, or a quantitative field, and 10+ years of experience in valuation, risk, or product control.

Designs, implements, and productionizes agentic components for the HERE Agentic AI Framework. Translates problem statements into technical solutions and drives framework adoption through SDKs, APIs, documentation, and support. Leads technical reviews, identifies risks, and mentors engineers. Requires extensive experience delivering production-grade AI/ML systems and proficiency in architecting extensible software frameworks.

Senior Python Backend Engineer to design, build, and deploy high-performance microservices for an AI evaluation platform. Requires 7+ years of experience building backend services, strong Python skills (3.10+), and expertise in data modeling, REST APIs, and distributed systems.

The Regional Marketing Manager for Central and Eastern Europe (CEE) will execute Megger's global marketing strategy, focusing on event management, channel partner marketing, regional market activation, and KPI reporting.

Lead AI Engineer will build and enhance data and analytics foundations to enable customer insights and GenAI-driven use cases. Responsibilities include developing data ingestion, transformation, and analytics capabilities, supporting data visualization, and collaborating with stakeholders to deliver aligned solutions. Requires 3+ years of experience in data engineering, analytics engineering, backend engineering, or data analytics roles with strong SQL skills and experience working with analytical datasets.

Senior Product Analyst will collaborate with clients and stakeholders to define data requirements, design solutions, and ensure data quality. Requires 5+ years of experience, strong analytical skills, and proficiency in SQL and Microsoft Office Suite.

The VASAB Young Planners’ Summer School 2026 invites young professionals and students to develop spatial planning solutions for the Baltic Sea Region. Teams will work on challenges such as resilience, climate change, and mobility. The best ideas will be presented at the VASAB meeting.

Lead a team of Solution Architects across multiple domains, ensuring high-quality, scalable solutions aligned with business needs. Oversee end-to-end solution architecture, define solution designs, and act as an escalation point for complex challenges. Drive consistency in architectural practices and ensure solutions are fit-for-purpose and compliant.

Senior Mechanical Engineer will join a team developing ICEYE's next-generation optical satellite platform. Responsibilities include spacecraft payload and bus interface design, mechanical ground support equipment (MGSE) design, and collaboration with manufacturers and subcontractors. Must have expert knowledge of mechanical CAD design, analysis, and optimization, familiarity with material science and engineering, and experience delivering design through suppliers.

Senior Automation Tester for a payments platform leader. Design, build, and maintain automated test solutions using Java, JUnit/TestNG, Selenium/Playwright, REST Assured, and CI/CD tools. 5+ years of automation experience and payment processing knowledge required.

Junior Clojure Developer will build and develop data ingestion solutions, backend applications, and processing pipelines. Responsibilities include working with technologies like Clojure, SQL, ElasticSearch, and Git. Must have commercial backend development experience and commercial Clojure experience or a strong willingness to learn.

Lead MEDvidi's product & engineering organization, encompassing PM, Engineering, Design, Data, and PMM. Define and execute the AI-first product vision and strategy. Manage a team of 50+ across two product tracks. Requires 10+ years of product management experience, including 3-5 years in a senior leadership role. Proven track record of building AI-first products and experience with behavioral design.

Senior Full Stack Developer to build and scale AI applications, integrate workflows, and design user interfaces. Requires Python, AppScript, and API design expertise. Strong communication and problem-solving skills are essential. Experience with Gen AI technologies is preferred.

Business Analyst to develop decisioning engine for digital lending products. Analyzes business needs, proposes solutions, and documents functional and non-functional requirements. Experience in financial services, SQL, and Atlassian tools required.

Frontend Engineer with 3+ years of experience in JavaScript, TypeScript, CSS, and React. Must be fluent in English and able to work independently.