ruby English-speaking jobs in Kielce

Leads development and execution of a global supply plan, anticipates supply risks, and optimizes production footprints. Manages global capacity planning, inventory strategies, and collaborates across functions to ensure execution alignment.

Lead AI DevOps Engineer responsible for architecting, deploying, and scaling AI/ML/GenAI systems (LLMs/SLMs) in production Azure environments. Requires 5+ years of experience in DevOps/Cloud Engineering with proven hands-on experience deploying LLMs/SLMs in production. Strong Azure expertise, scripting (Python + Bash/PowerShell), IaC (Terraform/Ansible), CI/CD pipelines, and Kubernetes are essential.

EveryWatch seeks a Data Quality & Governance Manager to ensure the integrity and accuracy of its expanding data ecosystem. This role involves defining and enforcing data quality standards, implementing validation frameworks, and collaborating with teams to improve data reliability.

ML/DevOps Engineer to design, develop, and maintain CI/CD pipelines, Kubernetes environments, and MLOps capabilities. Requires 3+ years of experience with production systems, Kubernetes, Docker, GitLab CI/CD, Python, and ML libraries.

Senior IT Operations Engineer will support and maintain a globally distributed workforce, ensuring reliable IT infrastructure and compliance with company and security standards. Responsibilities include supporting employee onboarding and offboarding, managing global laptop deployments, maintaining network connectivity, and resolving IT issues. Requires 4+ years of experience in IT operations, experience with Google Workspace and Slack, and strong understanding of information security frameworks.

Junior Frontend Developer will collaborate on designing and expanding websites and landing pages. Responsibilities include code optimization, testing solutions, and creating new landing page platforms. Requires HTML5, CSS3, JavaScript, Git or Bash, Responsive Web Design, and WordPress or CMS template experience. English language proficiency is necessary.

Develop and maintain cloud-based microservices for a large-scale telecom platform. Implement new backend features and functionalities based on business requirements. Ensure code quality through proper architecture, clean coding, and unit testing. Collaborate with a Scrum Team to deliver increments regularly.

This Trainee, Procure-to-Pay role supports end-to-end Procure-to-Pay (P2P) processes, including vendor data management, procurement support, and transactional activities.

Senior Sales Manager for maritime solutions. Develop customer relationships, identify business opportunities, and support customers in selecting solutions. Requires a Bachelor's degree in a related field, sales or marketing experience in the maritime industry, and strong communication and stakeholder management skills.

Senior Business Analyst to analyze and optimize Supply Chain processes, design solutions, and collaborate with clients. Requires 8-10 years of experience in business analysis, consulting, or process optimization with a focus on Supply Chain.

We are seeking a skilled SAP Tester to ensure the quality and reliability of SAP software applications. Responsibilities include developing and executing test plans, identifying and reporting defects, and collaborating with cross-functional teams. Demonstrated knowledge of SAP testing, SAP Solution Manager, and UKA (business-critical applications) is required.

This 9-week paid internship offers high-performing students the opportunity to transition into full-time Java developers. Participants will work on a real-world AI-powered project, gain mentorship from experienced engineers, and develop Java and AI-driven solutions. The program runs from July 1 to August 31, 2026, with a hybrid format (3 days in the Krakow office, 2 days remote).

Full Stack Software Developer to design, develop, and maintain scalable web applications using ASP.NET Core and Angular. Collaborate with teams to define, design, and ship new features. Troubleshoot, debug, and optimize application performance. Requires 2 years of experience in full stack software development, strong knowledge of C#, .NET Core, and Entity Framework Core, proficiency in Angular (v18) with TypeScript, HTML5, and CSS3, and experience with Azure DevOps.

UI Designer needed to design and maintain reusable components, patterns, and layouts in Figma. Collaborate with developers and designers to ensure accessibility and consistency. Must have expert-level Figma skills and experience designing component-based systems.

Reporting Specialist supports leadership with ad-hoc requests, maintains automated data processes, and ensures high-quality progress reporting. Requires proficiency in Excel, Power Query, and strong analytical and communication skills.

Experienced Integration Consultant needed to provide functional support for SAP S/4HANA EVA within the Retail IT landscape. Responsibilities include system configuration, incident resolution, user training, and documentation. Must have at least 4 years of SAP experience, 2 years with EVA integrated with S/4HANA, and strong functional knowledge of S/4HANA. Part-time employment (0.5 FTE) required.

ITRex seeks a QA Engineer to ensure quality across the full release cycle for a high-scale product in the digital finance/blockchain domain. Responsibilities include manual testing of mobile, desktop, web applications, and APIs, designing and executing test documentation, and collaborating with developers and stakeholders. Requirements include 4+ years of QA experience, strong manual testing skills across multiple platforms, experience with traffic sniffers/proxy tools, and proficiency with AI tools integrated into QA workflows.

Senior Advanced Cloud Software Engineer - SRE will support engineering teams in product development, ensuring reliability, availability, and performance. Responsibilities include triaging and fixing production issues, automating monitoring and scaling, and collaborating on architecture reviews. Requires 7+ years of software engineering experience, 5+ years managing SaaS platforms, and proficiency in at least one language (JavaScript, C#, Python, Java).

The Global Materials Project Manager drives and supports project execution for material productivity (VAVE) to achieve continuous quality and cost improvements. This on-site role reports to the Associate Director, Global Material Optimization.

Develop measurement strategies, design studies, and analyze data to optimize digital advertising campaigns for clients. Provide insights and recommendations based on quantitative data to improve campaign performance.