freelance English-speaking jobs in Gliwice

Defines and supervises materials for harness, cable, and flat-cable production, including sustainability materials. Implements customer requirements into testing procedures and leads projects related to thermoplastic, cross-linked, and sustainable materials. Conducts material testing, thermal and mechanical simulations, and oversees prototype production. Manages global M-specifications for cables and bulk materials. Requires a M.Sc. Eng. Degree and 5 years of experience. Fluent English and ability to work as a team member are required. International travel is preferred.

Senior Backend Engineer to design, develop, and maintain production-grade platforms for global clients. Experience in Ruby, Python, or JavaScript required. Strong understanding of software architecture, databases, and CI/CD practices. Collaborate with teams to deliver mission-critical systems.

Senior Functional Safety Engineer to support projects in the defense, security, and aerospace industries. Responsibilities include creating and maintaining safety artifacts, performing safety analyses, and defining safety requirements. Requires experience with DO-178C, ISO 26262, IEC 61508, and embedded software development. Fluent in English and Polish required. Must be willing to undergo security clearance procedures.

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.

The Financial Controller will support efficient Financial Controlling processes for the EMEA region within Global Business Services (GBS) in Krakow. Responsibilities include assisting with statutory financial statements and audits, ensuring government returns are submitted, providing advice on local GAAP and tax requirements, managing month-end tasks, and overseeing payroll postings.

Procurement and Tendering Engineer to support biogas/biomethane plant projects in Poland. Prepare cost estimates, tender calculations, and documentation. Analyze tender requirements and collaborate with engineering teams. Requires experience in estimation, tendering, and technical understanding. Strong English and Polish language skills are essential.

Provides efficient HR operational support to employees and HR Partners in the DACH region. Manages regional program services, including onboarding, offboarding, and workforce management. Resolves complex employee issues and oversees benefits, time and attendance, and payroll activities in designated regions.

Junior PtP Analyst will ensure accurate and timely delivery of regional finance processes. Responsibilities include financial reporting, resolving queries, process improvement, and user training. Requires a finance degree, strong analytical skills, and fluency in English.

Frontex seeks Microsoft Database Administrators to support and maintain its enterprise database infrastructure. Responsibilities include managing high-availability database environments, performance optimization, disaster recovery, ETL processes, and Microsoft data platform technologies.

Therapy & Business Development Consultant will promote the Impella® product portfolio, establish Impella & Heart Recovery as the new Standard of Care in Poland, and train physicians and hospital staff.

As a Technical Solutions Consultant, you will lead cross-functional teams to leverage emerging technologies for clients and partners. You will design, build, and maintain scalable solutions, oversee their lifecycle, and provide guidance on ad products and technologies.

Fullstack Software Engineer to design and deliver AI-first solutions end-to-end. Experience with TypeScript, React, Angular, Python, and PostgreSQL required. Collaborate in consulting teams, translate business requirements into technical designs, and work across the full delivery lifecycle.

Provides first-line IT support to Coveris Group employees across all sites. Resolves incidents and service requests, manages user accounts, and supports Microsoft 365, Windows devices, and VPN access. Escalates complex issues and contributes to service desk knowledge articles. Requires 1-2 years of experience in a service desk role, proficiency with Active Directory, Microsoft 365, and ITSM tools. Fluent English required.

Develops and implements automated test processes for power electronic hardware components and systems. Writes test scripts, uses test equipment, and debugs hardware and test setups. Collaborates with software developers and engineers to ensure product quality. Requires a BSc/MSc in Electronics/Electrical Engineering and experience with power electronic converters/power supplies development. Fluency in English is required.

This role requires a detail-oriented professional with custody operations experience to manage daily tasks, identify operational issues, and contribute to process documentation. Fluency in Italian and English is required.

Senior Product Owner with 5+ years of experience in software delivery. Must have hands-on experience with AI tools and demonstrable workflows beyond single-prompt usage. Responsibilities include requirements elicitation, backlog management, and stakeholder alignment. Strong structured writing and client-facing delivery experience required.

Team Lead Back-end Developer (Node.js) needed for a global tech company. Requires 8+ years of experience, 3+ years in leadership, and 3+ years with Node.js. Responsibilities include hiring, training, delegating tasks, and collaborating with team members. Must have strong technical, diagnostic, and troubleshooting skills.

Senior technical consultant needed to define and structure the next phase of an existing AI-powered SaaS platform for entertainment and creator marketing.

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.

Leads cross-functional technical projects, ensuring solutions align with business objectives. Provides technical leadership for cost and quality improvement initiatives. Manages project budgets and reports on project progress. Serves as a technical reference across categories, functions, and regions.