ruby English-speaking jobs in Lublin

jsOperating systemWindowsAbout the projectWe are looking for a highly skilled Software Engineer to join our Kraków-based team as we scale our next-generation, true cloud service. Supporting over 1,000 global clients, our main platform is built on a modern stack of Azure, . NET Core, React, and TypeScript.

Senior UX Researcher to lead user research across complex digital products. Defines research strategy, selects methods, and delivers actionable insights to influence product and design decisions. Mentors junior researchers and contributes to research practices. Requires 5+ years of experience in UX research on complex digital products.

Conducts security assessments and control validations across products, systems, and processes. Evaluates security controls using frameworks like ISO 27001, NIST 800-53, and SOC2. Identifies control gaps, prepares findings, and tracks remediation activities.

Develop software primarily using C/C++ for network products and operating systems. Experience in Linux device driver programming, networking (L2, L3, L4, Ethernet), and virtualization/containerization is required.

The Technology Growth Hacker evaluates modern technologies and conducts proof-of-concept projects to enhance organizational growth. This role involves collaborating with IT and business teams to identify and explore emerging technologies, designing and executing PoC projects, and staying informed about market opportunities.

Site Reliability Engineer to monitor, support, and improve production and staging environments for a cloud-based SaaS platform. Responsibilities include incident response, automation, observability, CI/CD pipelines, and Kubernetes infrastructure management. Requires 2+ years of experience in SRE, DevOps, or Production Operations with AWS, SaaS applications, CI/CD systems, GitOps, Kubernetes, Docker, and scripting languages.

As an Associate in the Valuation Control Group, you will specialize in stress testing and predictive modeling to ensure the firm's risk portfolios are fairly valued. You will develop models using Python, Excel VBA, and Alteryx, and collaborate with Trading, Market Risk, Product Control, Model Governance, and Quantitative Research.

Quality Engineer to design and implement AI-driven testing and automation capabilities. Develop AI-powered test agents, automate workflows, and improve test coverage across the platform.

PTP Associate will validate invoices, perform data checks, investigate discrepancies, and ensure accurate processing within SLAs. Requires a Bachelor's degree or ongoing studies in a related field, 2 years of PTP experience, and strong analytical and problem-solving skills.

Data Scientist will partner with product and business teams to develop and implement data science solutions, including ML models and AI products. Collaborate with cross-functional teams to integrate data-driven initiatives. Requires a Bachelor's, Master's, or PhD in a relevant field and at least 3 years of experience using data science methods. Strong technical background in ML solutions and their impact on business, user experience, and operational processes is essential. Proficiency in Python 3 and ML/data analysis libraries is required.

Full-Stack Software Engineer (Go) to design, implement, and maintain cloud services for a logistics platform. Responsibilities include developing API integrations, automating processes, and collaborating with cross-functional teams. Requires 4+ years of experience with GoLang, TypeScript, React, AWS, and MySQL.

Designs, develops, and maintains the Windchill PLM system to support product development and lifecycle management. Troubleshoots technical issues and consults on platform upgrades.

Ryanair seeks a Real Time Analyst to optimize staffing, scheduling, and forecasting for its customer service contact center. The role involves analyzing data, generating reports, and collaborating with operations leaders to ensure efficient service delivery.

SAP GRC Specialist with EnglishMiejsce pracy: WrocławTechnologies we useExpectedSAPYour responsibilitiesSAP GRC OperationsProvide ongoing support and troubleshooting across SAP GRC AC modules. Proactively identify and resolve access issues, minimizing disruptions to business operations. Collaborate with SAP technical teams or external partners for problem resolution.

Junior General Ledger Accountant will prepare and post General Ledger entries, record fixed assets, perform reconciliations, and complete month-end close tasks. Requires a Bachelor's degree in Finance and Accounting or related field, or a High School of Economics degree. Knowledge of SAP is an asset. Good English skills are required. Experience in General Ledger is preferred.

Support the creation, maintenance, and optimization of reports and dashboards. Prepare regular and ad-hoc reports for stakeholders. Document reporting processes, data models, and KPIs.

Project Configuration System Engineer will develop and maintain configuration management strategies for projects. Responsibilities include supporting the identification of configuration items, establishing a configuration management system, ensuring baseline consistency, and performing baseline audits.

Senior IT Project Manager with German will lead and manage customer projects, ensuring successful contract execution and customer satisfaction. Responsibilities include defining project scope, managing budgets, and guiding project teams. Requires 5+ years of project management experience, preferably in software implementation, and fluency in English and German.

Business Solutions Data & Reporting Senior AnalystMiejsce pracy: PoznańTechnologies we useOperating systemWindowsAbout the projectThe Franklin Templeton Investment Solutions (FTIS) Business Solutions Team drives innovation and efficiency across the organization. We focus on technical product management, business analysis and reporting, and process optimization to support growth.

AP Accountant responsible for processing and verifying invoices, investigating discrepancies, and assisting with month-end activities. Requires a finance/accounting degree or equivalent experience, fluency in English, and knowledge of ERP systems.