ruby English-speaking jobs in Bielsko-Biała

Senior Business Analyst to work with clients and technical resources to identify business problems and develop analytical solutions. Plan, design, and document business processes and system modifications. Gather and analyze business requirements, create test cases, and support QA, UAT, and release phases. Minimum 5 years of experience as a Business Analyst with a degree in Business, IT, or a related field. Previous experience in the health insurance industry is required.

Acts as a trusted advisor to clients, managing relationships, identifying solutions, and maximizing project profitability. Manages and develops a delivery team, ensuring high performance and professional growth. Oversees project execution, ensuring resource efficiency, client satisfaction, and profitability. Requires experience in delivery, business, or account management, strong communication and leadership skills, and fluency in English and Polish.

Senior Full Stack Engineer with a focus on backend development using Java and serverless technologies. Responsibilities include designing, developing, and optimizing scalable backend services, RESTful APIs, and event-driven systems. Collaborate with architects, product managers, and engineers to deliver high-quality solutions. Senior level requires 8+ years of experience and experience mentoring engineers.

Lekta AI seeks a Sales Manager to define, lead, and scale pipeline generation across domestic and international markets. This hands-on role involves creating demand, initiating relationships, and progressing leads into qualified sales opportunities.

Experienced Machine Learning Engineer to design, deploy, and scale intelligent autonomous systems. Develop, maintain, and optimize machine learning models in production using MLOps practices. Build pipelines for autonomous agents and integrate them with APIs, databases, and production systems. Collaborate with data engineering, backend, and product teams.

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 into development workflows, and simplifying complex systems. Must have reasoning ability, drive, team spirit, and proficiency in English.

Senior QA Engineer to design, create, and enhance test automation frameworks, test plans, and test cases using Selenium & Selenium Grid. Analyze, define, and execute test standards and procedures for complex solutions. Document defects, perform root cause analysis, and recommend corrective actions.

Data Engineer will design, develop, and maintain data products for internal stakeholders. Responsibilities include building scalable data pipelines, managing the data stack, and implementing best practices for data quality and governance.

Senior ITOM Consultant to support advanced IT Operations Management. Analyzes requirements, implements monitoring rules, and troubleshoots event-related issues. Requires 5+ years of experience in IT Operations Management and event management processes. Fluency in English and residing in Poland required.

Develop Java/Spring applications and microservices in an agile team. Collaborate with developers, QA testers, and other stakeholders. Proficient in Java (ver. 1.8+), Spring (ver. 5), Spring Boot (2.4-2.6), Oracle DB/SQL, Apache Kafka, and English.

Build AI-powered product experiences and integrate AI tools into your development workflow. Work across diverse stacks with end-to-end ownership, choosing the right technologies for each challenge. Take real ownership from idea to production, creating systems used by millions. Simplify software architectures, pipelines, and codebases.

Lead Salesforce Engineer to drive the evolution of our digital ecosystem and mentor a team. Shape the technology roadmap, improve platform performance and scalability, and lead the delivery of new products.

Senior Python Engineer to build and maintain AI and automation applications. Develop data pipelines, train machine learning models, and implement testing and version control best practices. Requires strong Python skills, experience with AI/ML frameworks, and understanding of data manipulation and ML algorithms.

Senior Network Engineer with 5-10 years of Citrix NetScaler experience needed for micro-segmentation project. Responsibilities include splitting shared subnet IPs, maintaining LB and backend server communication, and collaborating with the CSIRT team.

This hybrid role combines penetration testing and intake management. Responsibilities include leading and executing penetration tests, coordinating intake and scheduling, and managing the testing queue. The role requires 2+ years of security testing experience, the ability to automate tasks, and experience exploiting weaknesses in various domains.

Senior Legal Counsel needed for a rapidly growing global platform. 6+ years of experience in employment law within the EMEA region required. Lead contract negotiation and review, provide legal guidance on cross-border employment matters, and advise on data protection. Strong experience in European employment law, GDPR compliance, and commercial agreement drafting is essential.

Manage and grow relationships with B2B clients, ensuring ongoing satisfaction and identifying expansion opportunities. Collaborate with delivery and technical teams to meet client expectations.

Security Engineer to join a Computer Security Incident Response Team. Responsibilities include handling security incidents, conducting investigations, implementing data leak prevention, and supporting vulnerability management. Requires 3+ years of experience in incident handling, CTI analysis, or digital forensics.

The Global Product Owner is responsible for the end-to-end ownership, delivery, and performance of Invoice Management. This role defines the product vision, value case, and strategic roadmap, ensuring the product remains fit-for-purpose across markets and functions.

Software Engineers design, build, and test software products used globally. Collaborate with multi-functional teams to develop solutions for payment technology, influencing Visa's standards for scalability, security, and reusability.