ruby English-speaking jobs in Opole Voivodeship

Presales Engineer will work with clients to understand their needs, prepare workshops and demonstrations, and support the sales process. Must understand complex network environments, network management protocols, and internet protocols. Fluency in Polish and English is required.

Freelancer role for CBRN experts to ensure Generative AI safety. Tasks include writing adversarial prompts and evaluating AI responses for accuracy and ethical integrity in Biology, Chemistry, Virology, Nuclear Energy, or Radioactive Materials.

Senior Fullstack Golang Engineer for a global bank's product analytics platform. Requires 7+ years in backend development, Go, Web APIs, and SQL with PostgreSQL. Involves full SDLC support.

Lead and develop the UX/UI Design team for Wakacje.pl, shaping product design across the CEE region. This role involves mentoring designers, ensuring high design quality, and collaborating with Product, Tech, and Business teams.

Senior Business Analyst specializing in SAP for ERP transformation and consolidation. Responsibilities include gathering requirements, defining standardized reporting/KPI models, and analyzing SAP data structures across international organizations. Requires 8+ years of BA experience.

Lead sales and origination for an international private debt company specializing in secured corporate lending. Drive portfolio expansion by originating and executing short-term secured financing transactions. Requires experience in Private Debt and strong network access.

Manage extensive testing activities and coordinate numerous teams to ensure modern quality engineering practices. Define global test strategies, manage risks, and meet project objectives within quality, time, and budget targets.

Lead Staff Software Engineer for EU cards, responsible for backend architecture across transaction and ledger systems. Requires 8 years of experience with Python, Kotlin, AWS, and scaling backend systems.

Head of Product, Central Europe, defines and delivers the SMB solutions strategy across Joint Venture partnerships. This senior role owns the product roadmap, drives governance, and aligns stakeholders to achieve sustainable growth.

Design and architect modern, cloud-based data platforms and scalable solutions. Lead data transformation initiatives, collaborating with stakeholders to deliver complex projects using technologies like Snowflake, Databricks, and AWS/GCP.

Security Researcher analyzes domain data signals to identify abuse patterns and high-risk registrations. You will build research tools, partner with engineering to improve detection logic, and support customer escalations.

Site Reliability Engineer to improve availability, latency, and efficiency of Java microservice-based systems. Responsibilities include coding, working with product squads, optimizing performance, implementing observability tooling, and providing training. Requires experience with Java, Spring, microservices architecture, Docker, Kubernetes, AWS or GCP, and observability practices.

Senior AI Engineer champions AI solution architecture and development using LLMs, NLP, and computer vision. Responsibilities include building scalable AI products, overseeing data pipelines, and integrating solutions into existing systems. Requires MSc/PhD or equivalent experience with Python and ML frameworks.

Specialist Risk Management role involving KYC and Risk assessment for AML, KYC, and Credit risk. Responsibilities include sanction list lookups, merchant onboarding, and documentation verification. English proficiency is required.

Design, develop, and maintain QlikView/Qlik Sense applications and dashboards. Requires 3 years of Qlik experience, strong SQL skills, and ability to translate business needs into BI solutions. Fluency in Polish and English is required.

Senior Backend Engineer to own and evolve systems collecting and maintaining 400M+ creator profiles at scale. Design resilient services for third-party API instability and improve collection economics.

Engineering Manager to evolve and scale Vonage's SMS messaging platform. Direct software engineers to build scalable microservices, manage project delivery, and leverage AI in development. Requires Java skills and understanding of distributed systems.

AI Focused Data Architect to define and evolve data architecture for real-time, secure payment solutions. Design scalable data pipelines, support ML workloads, and ensure compliance with financial data regulations. Requires 10 years in data/solution architecture with AWS experience.

Senior Full Stack Product Engineer will design and own end-to-end business-critical product experiences. Responsibilities include building and shipping user-facing features, turning product goals into practical solutions, and improving usability, clarity, performance, and reliability. Strong experience shipping production web products, frontend ability with React and TypeScript, and backend ability are required.

Expert Data Engineer needed with strong experience in Microsoft SQL Server, T-SQL, and SSIS for ETL development. Requires knowledge of Snowflake, Git, data warehousing, and dimensional modeling. Focus on building and maintaining data processes.