backend developer English-speaking jobs in Świdnica

B2B brand strategist to develop a comprehensive brand messaging guide for a boutique consulting firm. Experience writing B2B brand messaging guides is required.

Laboratory Technician conducts tests on materials and components for development, R&T, and production optimization. Requires a technical or scientific education, 3+ years of lab experience, and proficiency in Polish and English.

Accounts Payable Accountant needed for Wavin Shared Services in Poznan. Process financial data, administer invoices, prepare payment proposals, and communicate with vendors and internal departments. Requires fluency in Polish and English, SAP knowledge, and strong organizational and communication skills.

Freelance B2B & B2C Sales Representative to prospect, develop client portfolios, and promote IT, AI, web, ERP, and CRM solutions. Requires sales experience, strong negotiation skills, and fluency in English and/or French.

Develop and maintain advanced Spotfire dashboards, data models, and integrations. Implement complex logic using Spotfire Expressions, IronPython, JavaScript, and the Spotfire SDK. Requires 5+ years of Spotfire experience and proficiency in IronPython, JavaScript, SQL, and C#/.NET.

Experienced JavaScript developer to join R&D team, building and maintaining sports data products. Will work on new features, bug fixes, and collaborate with other developers, product managers, and QA. Requires 4+ years of experience with modern JS applications, HTML, CSS/SCSS, ES6+, Node.JS, and Vue.JS.

Manage complex administrative functions, including scheduling, project coordination, and event planning. Interact with internal and external stakeholders, including senior management. Apply advanced financial management knowledge to optimize team efficiency.

Technical Project Manager will oversee the complete delivery lifecycle of a software project focused on a cutting-edge transportation system for medical laboratory specimens. Responsibilities include managing project workflows, leading teams, and partnering with stakeholders to ensure project success. Requires a technical degree, 5+ years of project management experience, and proficiency in Agile methodologies.

Lead Software Engineer to own, shape, and scale a global payment platform. Drive technical strategy, mentor a team, and ensure secure, resilient solutions.

Experienced Purchasing Support Subject Matter Expert needed to resolve Purchase order issues and provide support to Key Stakeholders. Responsibilities include responding to queries, guiding users on policies and processes, investigating issues, and raising requisitions. Requires 2+ years of Purchasing/Procurement experience and proficiency in Coupa, Maximo, or similar PTP systems.

The CXi Platform Data Analyst monitors, analyzes, and reports on the performance of the CXi customer service platform. The role designs dashboards, identifies trends, and analyzes conversational data to drive improvements in customer outcomes and platform efficiency. Collaborates with product, operations, and technology teams to implement data-driven solutions.

Senior Backend Developer needed for a strategic application within a Markets project. Develop and maintain a high-performance backend application using Java, Spring Boot, and Hibernate. Experience with Camunda, REST APIs, containerization, AWS, and DevOps is required.

Manages and coaches an inbound sales team to convert leads and optimize sales processes. Executes targeted outbound campaigns focused on agencies and mid-market e-commerce accounts. Contributes to team revenue by personally managing and closing opportunities.

Staff Golang Engineer to design, develop, and maintain product features using Golang. Collaborate with teams to gather requirements, define service specifications, and ensure system reliability and scalability.

Investigate, validate, and resolve customer deductions and disputes to maximize revenue recovery. Analyze data, communicate with customers and internal stakeholders, and process credit memos. Proficiency in English (B2) and German (B1/B2) required.

Learning & Development Manager will design, deliver, and optimize learning programs across multiple employee levels. Responsibilities include developing blended learning solutions, embedding AI into L&D practices, and analyzing learning data to track program effectiveness.

Experienced RTR Manager needed to lead end-to-end Record-to-Report activities across EMEA. Responsibilities include managing month-end close, overseeing operational effectiveness, and ensuring process accuracy and compliance. Requires 6-10 years of experience in General Ledger/RTR, proven people management skills, and strong knowledge of accounting principles and financial controls.

Implement and maintain data governance and quality frameworks for finance data. Design solutions for data access control and sharing. Collaborate with stakeholders and drive a data quality first mindset.

Software Engineering Intern: 11-week program supporting professionals, completing projects, and participating in trainings. Must be pursuing a bachelor's or master's degree graduating in 2026 or 2027 with proficiency in a programming language.

Junior P2P Accountant will perform Procure-to-Pay operations including invoice posting, query handling, and month-end closure for English-speaking entities. Requires strong English (B2+) and Polish fluency. Prior experience in PTP, Finance, or invoicing is a plus.