ruby English-speaking jobs in Bielsko-Biała

With more than 3,500 employees across our manufacturing facilities and sales offices in Poland and international markets, we are a leading manufacturer of compact transformer substations. We deliver advanced solutions for the power engineering and industrial sectors, continuously setting new standards of quality, innovation, and reliability in the market.

This role supports the Risk, Finance and Treasury Data Repositories and data related projects in the financial services domain. The Data Quality Business Analyst will analyze datasets, investigate breaks, and support remediation for regulatory reporting. Responsibilities include performing reconciliations, root cause analysis, and issue resolution. The role also focuses on process optimization and automation, including applying AI-driven capabilities.

About Momentum:At Momentum, we accelerate digital innovation in healthcare. Our mission is to empower HealthTech startups and scaleups by transforming ideas into cutting-edge digital products. We combine deep industry expertise, strategic consulting, and full-stack development to create solutions that drive growth, compliance, and patient impact.

Analyst will oversee invoicing, collections, and cash application processes. Responsibilities include monitoring bank accounts, managing payments, and following up on receivables. Requires proficiency in French, German, or Spanish (minimum B2 level), strong analytical skills, and experience analyzing financial documents.

Senior Data Engineer to design, build, and maintain data pipelines, models, and transformations. Experience with Python, SQL, DBT, and GCP data products required. Fluency in English. May require on-call work.

Full Stack Software Engineer to develop and maintain AI-driven SaaS platform features. Requires expertise in Go, Java, JavaScript, TypeScript, and front-end frameworks (Vue.js or React). Experience with AWS AI solutions and RESTful APIs is a plus.

Our business is expanding, and we seek a Staff Software Development Engineer to help us improve Altium products. A Day in the Life of Our Staff Software Development Engineer: Innovative Code Development: Design, develop, and meticulously verify both low-level (computational geometry, algorithms) and high-level (application, business logic) code to drive our products forward.

Growth Manager will drive business growth initiatives, identify new market opportunities, and support strategic partnerships in the iGaming sector. Requires experience in growth, business development, or commercial roles and strong analytical skills.

Support the People Team in day-to-day operations including recruitment, training, event coordination, and data management.

About the role As a Junior Employee Services Payroll Specialist you will support the accurate and timely execution of payroll operations across EMEA regions. This entry-level role focuses on operational tasks, learning payroll processes, and providing support to internal stakeholders while developing expertise in payroll compliance and systems.

Leads regional Business Services category strategies, procurement processes, and supplier relationships. Manages strategic supplier relationships at the EU Region level. Drives regional Business Services procurement activities and acts as a procurement reference for stakeholders.

Lead the design and development of a GCP-native, multi-tenant SaaS platform. Build a scalable multi-agent orchestration framework integrating with external APIs and LLMs. Requires deep GCP expertise, AI/backend engineering skills, and experience with agentic architecture, API design, and enterprise security.

Experienced Frontend Software Engineer to build and maintain user-facing features for a SaaS platform using React and Next.js. Collaborate with product and backend teams to deliver reliable interfaces.

Leads and delivers end-to-end penetration testing across applications, infrastructure, and cloud environments. Identifies vulnerabilities through testing and code reviews. Produces client-ready reports with risk prioritization. Mentors junior testers and ensures delivery quality.

Hardware & Embedded Integration Engineer will design, develop, and integrate hardware components for drone systems, including embedded software, communication protocols, and manufacturing support. Requires experience with embedded development, drone technologies, and technical proficiency in networking, Linux, scripting, and Python.

Provides operational and administrative support to ensure smooth project execution. Manages documentation, tracks schedules, supports budget monitoring, and facilitates team communication. Assists with procurement, logistics, and reporting while ensuring compliance with internal procedures.

Remote Lighting Designer to create lighting concepts, select light sources, and develop lighting plans for diverse interior projects. Requires experience in lighting design, proficiency in design software, and knowledge of lighting technologies.

EHS Advisor leads and promotes a positive safety culture, ensuring compliance with ISO 45001 & 14001 standards. Develops and implements safety plans, monitors site operations, and investigates accidents. Requires fluency in English and Polish, 4+ years of experience in EH&S, and knowledge of construction industry best practices.

Experienced backend developer needed to build AI integrations and automation pipelines. Will research, evaluate, and select AI tools, design and implement integrations, and create PoCs. Requires 5+ years of commercial experience, strong JavaScript/TypeScript and Python skills, and familiarity with Linux, Docker, and AI-assisted development tools.

Software Engineer (.NET) to design, develop, and maintain web applications and services using .NET technologies. Responsibilities include developing backend services, RESTful APIs, and front-end solutions with Angular. Requires 2-3 years of experience with .NET Core, ASP.NET MVC, and Angular.