freelance English-speaking jobs in Holy Cross Voivodeship

Lead and manage a team of HR Operations specialists supporting couriers throughout their employment lifecycle. Collaborate with global and local teams to achieve shared goals and standardize processes.

Lead Cloud Engineer For Digital Hub Warsaw, we are looking for: At Bayer we’re visionaries, driven to solve the world’s toughest challenges and striving for a world where Health for all, Hunger for none is no longer a dream, but a real possibility.

Data Entry Operator needed for a fixed-term position in Nadarzyn. The role involves entering maintenance data into SAP GSI, managing databases, creating service requests, and supporting system users.

Translate content from English to Polish, preserving Westwing's tone of voice and adapting it to the Polish market.

Lead the Procure to Pay architecture for a global SAP S4HANA transformation. Design a harmonized global template for procurement, inbound logistics, supplier collaboration, and accounts payable. Partner with business process owners, SMEs, and technology teams to translate requirements into a compliant and scalable design.

Senior Full-Stack Engineer Who Owns Outcomes, Ships Fast and Delivers in a Small, Skilled Remote Team We’re looking for a senior full-stack engineer who owns outcomes end-to-end, delivers high-quality work fast, and communicates clearly in a remote setup. You actively use AI tools to accelerate development, reduce friction, and maintain high standards across the stack. 100% Remote.

You will join a highly skilled development team building a real‑time financial‑data processing platform. You will participate in the full delivery lifecycle, including analysis, design, development, testing and production support.

Performance Software Development Engineer will design and develop APIs, implement neural networks, and optimize ML models and graphics operations. Requires proficiency in Python, C++, and deep learning frameworks. Experience with CNNs, GANs, and graphics APIs is essential.

Enterprise Architect for HR domain will lead complex projects, provide architectural designs, and act as a trusted advisor to Product Line leadership. The role requires deep expertise in HR architecture, technology vision development, and influencing cross-functional teams.

Senior Accountant will manage general ledger accounting under Mexican GAAP. Responsibilities include leading closing processes, account reconciliation, and ensuring compliance with local accounting standards. Collaborates with US and Europe finance teams on cross-border accounting, audits, and reporting.

Junior Software Engineer will join teams working on marketplace development. The role focuses on building reliable, scalable systems with real human impact.

Embedded Linux Expert to develop and maintain kernel modules and device drivers for next-generation network switch platforms. Responsibilities include bringing up new hardware boards, debugging boot issues, and optimizing kernel performance. Requires 5+ years of experience in a similar role with strong C/C++ development skills in both user and kernel space. Extensive knowledge of Linux kernel, device drivers, and peripheral interfaces is essential. Experience with x86 and ARM architectures, bootloaders, BSPs, and board bring-up is also required.

AP Problem Resolution Senior Specialist ensures high-quality, timely, and cost-effective service delivery. Responsibilities include investigating and resolving invoice and purchase order processing issues, handling inquiries, and providing customer support. Requires at least 2 years of experience in AP/P2P or related finance processes and strong analytical skills.

Settles claims from road, sea, and air transport. Analyzes documentation, determines liability, and prepares decisions. Communicates with customers and DSV units. Requires strong English, MS Office proficiency, and decision-making skills.

Provides security recommendations, implements solutions, and manages security policies for cloud environments. Addresses vulnerabilities, improves handling processes, and reports on security status.

Leads funnel performance, CRO, and commercial alignment between paid acquisition and on-site experience. Builds, tests, and optimizes funnels and landing pages to convert paid traffic into customers. Owns the full lifecycle of funnels, landing pages, and commercial flows. Directs the commercial execution of new product launches and campaigns.

Junior Programmatic Specialist will set up, monitor, and optimize programmatic ad campaigns across multiple markets. Responsibilities include adjusting pricing rules in AdX, managing programmatic deals in Google Ad Manager, and collaborating with teams to align strategies. A Bachelor's degree in a related field and familiarity with Google Ad Manager and programmatic concepts are required.

Manages complex transformation programs, ensuring alignment with strategic objectives. Coordinates project workstreams, manages risks and timelines, and prepares executive-level reports. Requires 5+ years of experience in complex project management, strong stakeholder engagement, and advanced Excel and PowerPoint skills.

Own end-to-end marketing for Databoostr, a data sharing platform for industrial and automotive companies. Develop and execute B2B growth marketing initiatives, including ABM campaigns, content marketing, and digital channel management. Translate technical value into business language and build campaigns that generate pipeline.

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact.