ruby English-speaking jobs in Opole Voivodeship

Cloud Engineer needed to design, implement, and optimize cloud infrastructure on GCP for data products, AI platforms, and AdTech solutions. Will work with data scientists, software engineers, and product teams to translate requirements into robust cloud architectures. Drive automation and operational excellence through CI/CD pipelines, monitoring, and security best practices.

Senior Cloud Infrastructure Engineer will design, implement, and operate secure, scalable AWS infrastructure. Responsibilities include supporting hybrid cloud environments, performing operating system troubleshooting, leading Infrastructure as Code initiatives, and developing automation using scripting languages. Requires 5+ years of experience in infrastructure engineering with strong hands-on experience in AWS and enterprise environments.

Senior Software Engineer will design, build, and maintain high-performance, scalable data systems. Responsibilities include developing RESTful APIs, backend services, and full-stack features. Collaboration with cross-functional teams is required to enhance existing platforms and develop innovative solutions.

HRP Solution Architect to design solutions for TMF clients migrating from Horizon to Optix. Requires 5+ years experience in a relevant environment, including service management and payroll/HR experience. Will support sales, define project scope, and work with IT and external providers.

Lead the design and development of backend services for a core platform rewrite. Define API contracts and integration patterns between backend services, frontend applications, and external systems.

Staff Data Scientist will design and build machine learning systems to automate claims handling processes, including liability prediction, fraud detection, and document understanding.

Performance Engineer needed for a rapidly growing algorithmic trading firm. Focus on continuous monitoring and improvement of latency within trading systems. Expertise in systems, hardware, networking, software architecture, and performance optimization is required.

Reference Data Services Analyst needed to manage data remediation projects, identify and troubleshoot issues, and maintain client static data in a capital markets environment.

Lead electrical engineer for industrial projects from concept to commissioning. Coordinate design, supervise junior engineers, and ensure compliance with standards. Minimum 5 years experience, higher education in electrical engineering, and fluency in English and Polish required.

Revolut is seeking Mid and Senior Backend Engineers for a fast-track hiring process. Successful candidates will complete a technical interview on April 17th with the possibility of receiving an offer the next day. Responsibilities include building mobile APIs, developing microservices, and improving existing systems. Requirements include fluency in Java and 5+ years of backend development experience.

The Business Analyst supports the Head of Department in delivering objectives, coordinating work, and managing the E2E Planning Business Review Cycle. Responsibilities include organizing meetings, preparing content, gathering inputs, and prioritizing topics. The role also acts as the department's business representative in cross-functional forums and leads mitigation planning during supply issues.

Software Engineer III will develop and maintain scalable software systems for Box's e-commerce platform. Responsibilities include writing clean code, collaborating with cross-functional teams, and participating in code reviews. Requires 4+ years of software development experience, fluency in Java or PHP, and experience with distributed systems.

Customer Service Representative will manage order processing, resolve escalated issues, and provide product and service information. Collaborate with internal teams to ensure customer satisfaction. Requires Romanian or Bulgarian fluency, customer service experience, and proficiency in SAP, Excel, and CRM tools.

Machine Learning Engineer focused on optimizing large-scale model training pipelines for speed, stability, and cost. Experience training large neural networks and distributed training strategies required. Solid understanding of backpropagation, optimization algorithms, and training dynamics. Proficiency in PyTorch.

Freelance Senior Android Developer sought for diverse IoT projects. Requires 3+ years Android experience, Kotlin, Unit Tests, Koin, Hilt, and Jetpack Compose knowledge. Must have strong written and spoken English (B2). Salary 15-30K net on B2B.

Senior Fullstack Software Engineer to build purchase protection systems for Affirm's international expansion. Focus on disputes and refunds, collaborating with global engineering teams. Requires 4+ years experience with backend technologies (Python, Kotlin, Go, Ruby, Java), AWS, MySQL, Kubernetes, and web app frameworks (React, Vue).

AI Lead will define and evolve AI service offerings, drive pre-sales engagements, and lead R&D projects. Requires 5+ years of AI/ML experience, including 2+ years with Generative AI/LLMs, cloud platform experience, and strong pre-sales or technical consulting background.

Senior Linux Engineer to design, implement, and optimize automation processes using CI/CD pipelines. Experience with Red Hat Enterprise Linux, Ansible, Bash scripting, and cloud platforms required.

Business Analyst with German to support IT projects for financial institutions, primarily insurance companies. Conduct business analysis, define functional requirements, and test solutions. Collaborate with developers and architects. Requires experience in IT projects for the financial sector, fluency in English and German, and understanding of agile methodologies.

The Head of Digital Marketing will design and own the long-term digital roadmap for Embla brands, encompassing web, search, social, and automation. This role leads a team of digital experts to balance high-impact marketing campaigns with a robust, "always-on" digital presence. The Head of Digital Marketing will manage and mentor a team of three Digital Marketing Specialists and oversee the continuous digital engine (SEO, automated nurtures, and social engagement). This role requires 10+ years in digital marketing with 5+ years in leadership roles and significant experience working in a global or multi-market environment.