construction English-speaking jobs in Jelenia Góra

Senior Data Interface Consultant needed to standardize technical interface design for data products. Drive the scaling of data product development and transition from semi-manual builds to a BAU-oriented engineering process. Collaborate with information modellers and other teams to evolve ways of working. Requires experience in information modelling, API design and management, and driving organizational change.

Java Developer will participate in the establishment and implementation of new or revised application systems. Responsibilities include conducting feasibility studies, time and cost estimates, and providing user and operational support. The role requires 5-8 years of experience in systems analysis and programming, project management, and strong Java skills.

Senior Business Analyst for a global bank's cross-asset platform supporting pricing, trading, and risk management. Focus on trade capture, pricing, valuation, and risk analytics. Requires 5+ years of experience in Capital Markets, strong knowledge of at least one asset class (FX, Equities, Derivatives), and proven experience in requirements gathering and documentation.

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.

Designs, develops, and executes test automation. Creates test cases and analyzes results to improve test strategy. Collaborates with developers and stakeholders on product design.

Develops, maintains, and tests software for Android applications using Kotlin and Java. Integrates with backend systems and optimizes application performance. Collaborates with senior engineers and product owners.

As a Low Voltage Grid Application Engineer, you will focus on product specification, design, engineering, and deployment for Distribution Automation products and solutions. You will leverage your deep technical expertise in grid applications and related technologies to support sales and market positioning.

The People Service Specialist administers employee lifecycle processes, handles HR inquiries, and supports HR operations. Requires C1-C2 English and Italian proficiency, HR experience, and strong communication skills.

Recruitment Consultant needed for a brand specializing in renewable energy and infrastructure. Manage end-to-end recruitment, candidate experience, and client relationships. Excellent communication skills in English and previous experience in sourcing, recruitment, or sales required.

DevOps Engineer with database expertise needed to automate, scale, and maintain Revolut's databases. Responsibilities include building self-service tools, optimizing automation, leading incident response, and ensuring database reliability. Requires experience managing PostgreSQL clusters, operational experience with PostgreSQL lifecycle tasks, and knowledge of database security.

Canonical seeks Python Engineers to contribute to open-source software and operating systems. Roles are available across all seniority levels and teams. Successful candidates will write high-quality Python code, collaborate with a global team, and contribute to technical documentation.

WordPress Developer to design, develop, and maintain high-quality websites and landing pages using Avada and Elementor. Responsibilities include optimizing site performance, implementing integrations, troubleshooting issues, and managing client projects. Requires 3+ years of WordPress experience, proficiency with plugins and SEO, and strong communication skills.

Develop and maintain software using Node.js, React.js, and other modern technologies. Collaborate with cross-functional teams, write clean code, and participate in on-call rotations.

It orchestrates operations end-to-end—so you can scale faster, respond smarter, and deliver better customer experiences. We are looking for a skilled AI Engineer (Machine Learning) to join our team in Poland, with hands‑on experience in fine‑tuning and deploying custom large and small language models (LLMs/SLMs) to production.

Develop and execute category strategies for consumables, drive vendor and price development, and manage supplier performance. Lead negotiations, secure reliable deliveries, and ensure compliance. Collaborate with cross-functional teams and utilize data to optimize procurement.

Drive new business growth by managing the full sales cycle, from prospecting to closing deals. Build relationships with decision-makers, present solutions, and negotiate contracts.

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.

Forward Deployed Engineer will contribute to building and deploying cloud-based solutions, focusing on container fleet management services. Expertise in AWS and GCP, Python, Java, Go, and CI/CD pipelines is required.

Software engineer intern will contribute to priority projects, collaborate with skilled teammates, and build foundations for growth. Responsibilities include building systems used by millions, integrating AI tools, and simplifying complex systems.

Senior Penetration Tester will lead and execute penetration tests across networks, applications, cloud environments, and physical systems. Responsibilities include delivering technical reports, assisting in developing methodologies, and staying current with security threats. Requires 4+ years of experience, proficiency in security assessments, and strong understanding of network protocols, operating systems, and cloud environments. Excellent communication skills and relevant certifications are preferred.