ruby English-speaking jobs in Opole Voivodeship

Senior Software Engineer will design and implement microservices for product intelligence capabilities using Java/Spring Boot, Python, and Apache Kafka. Responsibilities include developing multi-agent systems, building event-driven architectures, and implementing product matching algorithms. The role requires experience with cloud platforms (Azure preferred), Kubernetes, and databases (PostgreSQL and NoSQL).

"At Varonis, we see the world of cybersecurity differently. Instead of chasing threats, we believe the most practical approach is protecting data from the inside out. We’ve built the industry’s first fully autonomous Data Security Platform to help our customers dramatically reduce risk with minimal human effort. At Varonis, we move fast.

Senior SAP CO Consultant supporting S/4HANA transformation. Expertise includes Overhead Management, Profit Center Accounting, IM, and PS. Responsibilities cover functional support, FI–CO integration, testing, and migration activities.

Software Engineer to design, develop, and maintain internal business applications using ASP.NET Core (.NET 8), backend services, APIs, and user interfaces. Collaborate with global teams to improve internal platforms and automate workflows.

Go Backend Software Engineer needed for a European technology organization. Develop and maintain infrastructure APIs in Go for cloud resource management. Experience with REST, gRPC, Kubernetes, PostgreSQL, and CI/CD pipelines required.

Fibertide seeks a Site Reliability Engineer with 5+ years of experience designing, implementing, and maintaining cloud-based systems. Expertise in AWS and GCP services, Infrastructure as Code (Terraform, CloudFormation), and configuration management tools (Ansible, Chef) is required. Strong programming skills, knowledge of advanced algorithms, networking, and operating systems are essential. Excellent communication skills in English and Polish are necessary.

Quantum Senior Associate role focusing on quantum-safe security and quantum computing use cases. Responsibilities include solution design, algorithm development, and building proof-of-concept assets. Requires Python proficiency and foundational quantum knowledge.

Senior Full-Stack AI Developer will design, implement, and own the lifecycle of a mission-critical AI platform. Responsibilities include architecting AI workflows, deploying and optimizing models, ensuring AI security, and governing AI output. Requires 8-12 years of experience, a production mindset, security expertise, AI-native code review fluency, and the ability to own the entire system lifecycle.

Staff Software Engineer to lead building and optimizing scalable observability systems, including logging, tracing, and metrics platforms. Requires 7+ years in SRE/DevOps with deep expertise in observability tools and Kubernetes.

Productionize and scale an ML-driven data quality system. Responsibilities include building and tuning anomaly detection and clustering pipelines, pairing classic ML with LLM reasoning, collaborating with data producers, and creating validator models.

Marketing Analytics Engineer to build data models and AI-powered systems for marketing decisions. Requires SQL, Python, LLMs experience, and API integration skills.

Senior Technical Business Analyst and Associate Product Owner bridging business intent and technical execution. This hybrid role translates requirements into technical user stories, collaborating with architects to define solutions in Mobile Messaging and MarTech.

Develops and executes capability building strategies for commercial channels, designs learning programs, and manages a team of Deployment Executives/Trainers. Requires 5+ years commercial management experience, 2+ years team leadership, and experience in capability development initiatives.

Design, build, and optimize machine learning models for real-time esports betting markets. Extract predictive signals from esports telemetry and translate win probabilities into derivative markets.

Own configuration and change management for a NATO CIS support unit. Responsibilities include maintaining CMDB records, handling ITSM tickets, and tracking license usage for VMware, Microsoft, and Linux. Requires ITIL familiarity and English C1/B2.

As a Senior Performance Delivery Manager (Interim), you will lead deep dive analytics across service, inventory, and forecast accuracy to drive improvement projects. You will review, standardize, and improve planning routines, lead inventory and write-off reduction initiatives, and drive a pipeline of CI projects. You will partner with various departments and ensure data-driven decision making. Proven depth in supply chain planning, process excellence, inventory & waste mastery, analytical power, digital curiosity, coaching & facilitation, results orientation, and collaboration are required.

Manage the full lifecycle of IT projects, from initial requirements gathering to final delivery. This role links clients and technical teams, overseeing scope, timeline, and budget. Requires 3-5 years in IT project management or business analysis.

Senior Python Software Engineer to develop FTTH applications for a leading European telecom. Focus on Python services, data pipelines, and geospatial capabilities using PostgreSQL and QGIS. Requires 5+ years of experience.

Experienced Avaloq specialist needed to analyze, design, and implement Avaloq software for banking clients. Requires a Bachelor's/Master's in STEM, 3+ years in Avaloq business analysis/parameterization, and fluency in English.

Experienced CFO needed to lead the finance function in a growing, project-driven organization. Responsibilities include overseeing accounting, controlling, treasury, and supporting international reporting under Polish GAAP and IFRS.