ruby English-speaking jobs in Bielsko-Biała

Lead the design, development, and maintenance of fullstack applications using Next.js, TypeScript, Python, and GCP services. Build and maintain backend services, microservices, and RESTful APIs. Implement CI/CD pipelines and ensure robust, automated, and secure systems. Mentor team members and champion best practices.

Lead, mentor, and develop a Unity engineering team. Implement gameplay features, design scalable architecture, and optimize code for iOS and Android. Review code, guide best practices, and contribute across the game development lifecycle.

Analyst will review and validate sales orders, enter orders, determine product availability, track orders, create invoices, and monitor invoicing. Must have a university degree, preferably in Logistics, International Trade, or Supply Chain, and be fluent in English.

Senior Software Engineer to lead a team, design, develop, and launch backend systems at scale. Experience with Python or Kotlin, AWS, MySQL, and Kubernetes required. Proven ability to mentor junior engineers and drive project delivery.

Principal Medical Writer with 7+ years of experience in regulatory medical writing (protocols, CSRs, briefing books, summary modules). Requires advanced understanding of statistical and regulatory concepts to independently write complex documents. Proven experience leading multiple-document projects, including CTD submissions.

As a Staff Data Scientist within Conversions, you will shape the data and modeling strategy behind customized user journeys and funnel decisioning. You will design, implement, and evaluate machine learning approaches for large-scale personalization and routing decisions.

Lead and scale global fiat operations across all products and payment flows, ensuring operational resilience, partner governance, fund flow control, and scalable process architecture. Accountable for transforming operations into a structured, institution-grade execution engine.

Senior Analyst will support and advance strategic and operational initiatives across Anderson Global. Responsibilities include project coordination, data analysis, and collaborating with leadership on high-impact projects. Requires a Bachelor's degree, experience in strategy, operations, or consulting, and strong analytical and communication skills.

We are seeking a Business-System Analyst / Application Designer to analyze business processes and design IT system functionalities. This role involves creating and updating application models, translating business requirements into technical specifications, and collaborating with developers and testers.

Site Manager oversees all site activity in Łódź, Poland, coordinating departments to achieve operational and financial results. Responsible for planning, implementing, and managing the site's long-term business strategy. Collaborates with HR, QHSE, Finance, Engineering, Logistics, and Procurement to ensure successful execution of the business strategy. Ensures company objectives are met regarding Safety, Quality, Delivery, Cost, Environment, and Morale. Leads operations improvements and engineering changes processes. Reports to the Director - Contract Logistics - Poland.

Fullstack Developer will work on the renewal of a tech stack transitioning from PHP to a cloud-based micro-service architecture. Responsibilities include writing, testing, and maintaining code for frontend applications with Next.js/React and backend services in Golang.

This technical leadership role within the Digital Platform Operations team focuses on setting the vision and direction for the platform, ensuring operational excellence. The expert will collaborate with various teams, including Enterprise Hosting, Solution Architects, and Customer Experience, to develop and maintain infrastructure, monitor platform reliability, and provide technical guidance.

Lead a team delivering digital infrastructure solutions using Microsoft Azure and Power Platform. Oversee design, development, and deployment of scalable cloud-based solutions ensuring security, reliability, and alignment with business needs. Manage a hybrid team of engineers and partners, working closely with Architecture, Technology, and Business leaders.

Cyber Security Consultant to provide security consulting for cloud services, web applications, and infrastructure solutions. Analyze vulnerabilities, assess risks, and propose mitigation strategies. Collaborate with IT and business stakeholders to ensure effective security controls.

QA Engineer to lead verification and validation of audio/video conferencing products. Focus on hands-on testing of cameras, microphones, and conferencing systems in embedded Linux, Android, and various desktop environments. Requires 4+ years of experience testing video and/or audio products and strong cross-platform testing skills.

Data Analyst will transform business questions into analytical solutions and actionable insights. Responsibilities include partnering with business teams, developing reporting logic, performing SQL analysis, and presenting findings to stakeholders. Requires 4+ years of experience in analytics, strong SQL proficiency, and experience building reports and dashboards using BI tools.

The HR Vendor Management Partner will support business owners in optimizing Moderna's HR vendor portfolio. This individual contributor role requires close collaboration with Procurement, Finance, Legal, and HR Centers of Excellence to ensure proper vendor selection, monitoring, and management. Responsibilities include vendor and budget management, onboarding, contract coordination, invoice processing, reporting, and compliance.

Lead a team of Product Designers delivering high-quality experiences across food, nutrition, health, and connected home surfaces. Drive design delivery, ensure quality, and integrate design into the product development lifecycle. Manage design capacity, prioritize work, and ensure on-time, production-ready outcomes.

Develop and maintain scalable, high-performance backend services for trading and crypto-focused applications. Optimize performance across JVM, databases, caching, and networking. Implement secure key management and transaction workflows. Integrate with blockchain nodes, custody providers, and staking protocols.

Software Subject Matter Expert / Analyst will translate business needs into technical solutions for Frontex's IT systems. Requires 8+ years IT experience, 3+ relevant projects, EU SECRET clearance, and expertise in design, architecture, and implementation.