freelance English-speaking jobs in Płock

The Junior Payroll and Benefits Specialist supports payroll and benefits functions, ensuring accurate and timely payroll processing, benefits administration, and time attendance management. The role involves assisting with payroll record maintenance, responding to employee inquiries, and collaborating with HR and finance teams to ensure compliance.

System Test Engineer will conduct thorough reviews of system requirements and designs, develop test cases, and execute manual and automated tests on PowerDrive HIL benches.

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.

Finance Specialist, Accounting to Reporting ensures completeness, accuracy, and timeliness of accounting records and reported figures for assigned legal entities.

This role combines business development and team leadership for Arcadis' Environmental Advisory & Compliance services in Poland. The Business Development Lead will drive revenue growth, identify and convert business opportunities, and manage a team of consultants.

Provide general HR support to the Recruitment Team remotely, including data maintenance, candidate communication, and process support.

Build and evolve backend services for high-traffic gaming platforms using .NET / .NET Core. Solid experience with C#, ASP.NET MVC, and Web API required.

Designs and deploys machine learning and optimization solutions for manufacturing and technical development. Analyzes data, identifies opportunities, and collaborates with cross-functional teams to drive scalable solutions. Communicates findings to technical and non-technical audiences.

Senior Accountant needed to build and manage the full accounting and finance function for a project. Responsibilities include setting up and maintaining 1C accounting, managing the full accounting cycle, preparing financial reports, and collaborating with external partners. Requires 5+ years of experience as a Senior Accountant, Chief Accountant, or Financial Manager with strong 1C (Accounting 3.0, ERP) skills and fluency in English and Russian.

Support the Finance Team in day-to-day accounting activities with a focus on Accounts Payable. Responsibilities include processing and posting vendor invoices, entering data, preparing reports, and assisting with monthly closing activities.

Infrastructure Engineer needed to architect, design, and maintain CI/CD pipelines. Experience with AWS technologies, automation/configuration management, and containerization is required. Strong understanding of code deployment and highly available infrastructure is essential.

Experienced Java SRE Engineer needed for a 6-month project (extendable) supporting a large-scale, globally distributed payments platform. Focus on performance, security, and scalability.

Company Description MSX has been a trusted partner to leading vehicle manufacturers, their retailers, and mobility organizations globally for more than 30 years.

Principal Service Delivery Engineer specializing in data and automation for a cloud-native travel technology company. Requires expertise in data platforms, streaming architectures, SQL, and API-driven platforms. Airline industry experience is essential.

Regional Planning Coordinator will support regional supply planning, monitor inventory and supply plans, coordinate replenishment orders, and manage supply risks.

SAP VIM Consultant to implement and optimize SAP Vendor Invoice Management solutions for clients. Design, configure, and implement SAP VIM solutions, analyze business processes, and integrate with other SAP modules. Provide technical expertise and support throughout the project lifecycle.

Freelance Data Center Technicians provide on-demand support to global data centers. Responsibilities include hardware installation, troubleshooting, network management, and documentation. Expertise in data center equipment, software, and both Linux and Windows systems is required.

As a Product Business Analyst, you will translate market and client needs into clear requirements, ensuring solutions align with product strategy. You will lead discussions to define optimal business solutions, capture requirements, and manage scope changes. You will also support project governance, risk assessments, and client onboarding. Strong expertise in Collateral Management or Securities Lending is essential.

As a Sales Development Representative, you will generate new business opportunities through proactive outreach and lead discovery. You will identify prospects, provide product information and quotations, and collaborate with colleagues on sales activities.

Build relationships with restaurant partners, identify new business prospects, and sign contracts to drive growth. Coordinate sales plans, meet monthly targets, and collaborate with the team. Requires 2+ years of sales experience, strong communication skills, and the ability to adapt to a fast-paced environment. Native Polish speaker with professional English proficiency.