backend developer English-speaking jobs in Świdnica

Financial Controller will ensure accurate management and statutory reporting compliant with IFRS and SOX. Lead a team of 1 Controlling Specialist, providing direction and performance management. Partner with the Finance Director to provide financial insight and support investment decisions. Drive continuous improvements in financial reporting processes. Oversee the period-end close process and ensure timely and accurate statutory signoffs. Responsible for reporting of P&L, balance sheet, and working capital. Ensure the timely and effective performance of internal controls and support audits.

PTP Accountant will record employee expense reports, business trip expenses, and invoices. Responsibilities include processing and verifying documents, reconciling credit card statements, and preparing data for audits.

We're seeking a Czech & Slovak Marketing Lead to drive growth in these markets. You will develop and execute multichannel marketing campaigns, analyze data, and tailor strategies to resonate with local pet parents. Experience in managing online marketing campaigns, a proven track record of business growth, and fluency in Czech and English are required.

Senior Data Scientist will partner with product teams and business leaders to understand problems and develop algorithmic solutions. Responsibilities include analyzing large datasets, applying machine learning techniques, and building production-grade code. Requires a Master's degree in a quantitative field and 4-5 years of experience in production-grade data science.

QA Engineer will plan and execute testing strategies, design test cases, and conduct software testing including automated, performance, and manual testing. Collaborate with developers to resolve issues and contribute to continuous improvement. Requires a Bachelor's degree in engineering or related field and 3+ years of experience in a Senior Quality Assurance role with proven experience in automated testing. Knowledge of Power Systems and communication protocols is a plus.

FP&A Intern to support daily operations of FP&A Group and Charging & Allocation. Responsibilities include supporting monthly and quarterly reporting, forecasting and budgeting processes, and ad-hoc analytics. Must be a student in Mathematics, Econometrics, Finance, Economics, or Data Science with strong Excel skills and a proactive, communicative personality.

Production Specialists oversee the final stages of the publishing process, ensuring high-quality, machine-readable online publications. They format articles, review final versions, and engage with authors to resolve issues while adhering to publisher policies.

SPOC is a team of passionate professionals and curious minds, dedicated to helping businesses evolve and thrive with smart, impactful ServiceNow solutions. As a trusted ServiceNow partner since 2010, we’ve delivered over 300 successful projects, making us one of Europe’s leading ServiceNow-focused consultancies.

QA Engineer specializing in Python and Playwright. Develops test frameworks, executes test cases, and collaborates with clients and teams. Requires strong Python skills, experience with Pytest, Docker, Git, and CI/CD.

This role is designed to provide operational support and help drive a positive end‑user experience while enabling key stakeholders to focus on the Copilot implementation for approximately 8,000 users. You will play an important part in improving how users interact with M365 tools through clear documentation, practical guidance, and engaging learning video materials.

Senior full-stack engineer to join a UK-based AI-driven Pharmatech. Work on software that can change the face of drug invention using React 18, TypeScript, Python 3.8+, and Django. Collaborate with experienced engineers in an international environment. Influence new feature design and requirements.

SAP BTP DevOps Engineer will design, implement, and maintain CI/CD pipelines, automate build, test, and deployment processes, and manage cloud infrastructure. Requires 4+ years of experience in DevOps, strong CI/CD and cloud platform experience, containerization, IaC, Linux, monitoring tools, and Git.

Senior Account Executive will drive revenue growth in Central and Eastern Europe (CEE) by developing and converting new government customer opportunities. Responsibilities include managing the full sales cycle, building a qualified pipeline, and collaborating with internal teams to align Sayari's platform with client needs. Requires 7-12 years of experience selling complex solutions into government, defense, intelligence, or law enforcement environments. Fluency in English and Polish or German is required.

Communication Intern will assist in developing and executing internal communication plans, creating content for internal communication purposes, and supporting organization of internal events.

Lead technical S/4HANA migration activities, shaping migration approaches and ensuring smooth data transitions for clients. Manage end-to-end migration cycles, including mock runs, cutover execution, and risk mitigation. Collaborate with project managers, functional teams, and stakeholders to align migration activities with project timelines and business expectations.

Senior Software Engineer with deep Kotlin expertise sought to design, deliver, and integrate AI-driven capabilities (LLMs, agentic systems) into large-scale, distributed systems.

Shape the future of AI-powered search across OLX verticals. Lead the design and evolution of OLX's Search AI Platform, developing LLM- and GenAI-based systems. Guide a cross-functional team of ML engineers, data scientists, and platform engineers. Prototype, evaluate, and productionize new ML models, including embedding-based retrieval, personalization, and relevance optimization. Collaborate with product and analytics teams to define success metrics, integrate with A/B testing pipelines, and measure real customer impact. Mentor and inspire data scientists and ML engineers across OLX's global hubs. Stay hands-on, driving implementation in Python and AWS while exploring state-of-the-art advances in LLMs, GenAI, and search infrastructure.

Corporate Secretary / Corporate Services Specialist will support Fund Management Company Secretary teams, ensuring corporate governance framework and assisting with digitalization and automation of document management processes.

Lead integration of the 7pace Timetracker app with other Appfire apps and launch new integrations. Translate customer needs into integrated time-tracking solutions. Develop and deliver a product strategy, partner with stakeholders, and track product goals.

Platform Security Engineers (Senior+) will design, build, and ship production-grade security and privacy controls for a large, graph-based data store. This hands-on role requires strong Python proficiency, deep understanding of authentication and authorization, and experience securing data systems.