ruby English-speaking jobs in Opole Voivodeship

Java Backend Engineer to build and scale a Data Management Platform (DMP) processing billions of events daily. Develop features, optimize data pipelines (Spark, HBase, Kafka), and design data schemas for relational and NoSQL databases.

Provide professional customer service to commercial, public sector, or consumer customers. Analyze and strategize account management and upselling. Work in a target-driven environment with individual sales targets. Problem solve and consult with clients to provide the best-selling solution for their advertising campaigns. Build strong client relationships by optimizing accounts and increasing program revenue.

Sets up and maintains financial instruments on the Client platform. Manages market data and processes corporate actions. Reconciles internal and market data to identify discrepancies. Requires a bachelor's degree in finance or a related field and 0-3 years of experience.

Provides IAM risk advisory services to engineering teams, partnering on the design and architecture of secure identity, authentication, and authorization solutions. Identifies security flaws in IAM platforms and integrations, and provides security assurance advice and guidance to engineers. Reviews, triages, and remediates IAM-related security findings. Establishes and maintains policies, standards, and controls to address information security risks across the IAM domain. Conducts ongoing testing and monitoring to evaluate adoption of necessary engineering controls.

The Strategic HR Partner & People Leader provides strategic and operational HR support, partnering with managers to implement HR strategies, oversee employee lifecycle processes, and drive HR projects. The role also leads and develops a 2-person HR team.

As a Staff Software Engineer, you will lead the execution, technical culture, quality, and long-term strategy for the Functional Integrations team. You will mentor engineers, make engineering contributions, and collaborate with cross-functional stakeholders to define projects and strategy.

Volt is seeking an EU MLRO & AML Compliance Leader to oversee AML/CTF systems and controls for its Polish entity. The role involves developing and managing the compliance framework for EU operations, ensuring adherence to Polish and EU regulations, and acting as the primary liaison with the KNF and other EU regulatory bodies. The successful candidate will have 5+ years of compliance experience in the financial services industry, ideally in the payments sector, and prior experience in the role of an MLRO or Deputy MLRO.

Leads onshore wind turbine sales in Poland, Baltics, and Eastern Europe. Develops relationships with key stakeholders, provides commercial and technical support, and identifies sales opportunities. Manages the Inquiry to Order process and ensures project success. Requires a bachelor's degree, proven sales track record in the wind power industry, and fluency in Polish and English.

About BlueThrone BlueThrone acquires and scales profitable mobile apps. We don't build from zero. We buy apps with strong potential and turn them into category leaders through better product decisions, smarter monetization, and disciplined user acquisition. Today, our portfolio generates tens of millions of downloads and serves millions of monthly active users across multiple verticals.

Experienced Electronics Engineer needed for development of low/medium power electronics, analog electronics, and digital electronics. Responsibilities include leading hardware development, designing PCBs, mentoring engineers, and ensuring design for manufacturability. Requires a BSc or MSc in a related field, 5+ years of experience, and expertise in Altium Designer.

Senior Business Finance Analyst will provide financial analysis and support to planning and operational processes. Responsibilities include preparing reports, analyses, and presentations, providing regional data and analytics, and supporting decision-making. Requires a Master's degree in a related field, 5-7 years of experience in financial analysis, and practical experience in a manufacturing or supply chain context.

Develop and maintain the mobile application for DSV warehouses. Ensure seamless integration with backend systems and a reliable user experience. Contribute to API design, data structures, and testing. Collaborate with teams to optimize performance and troubleshoot issues. Requires experience in Android, Kotlin Multiplatform Mobile, Jetpack Compose, and REST APIs.

Senior Business Controller will partner with Commerce teams to evaluate business cases, analyze performance drivers, and support strategic decision-making.

Senior or Principal Data Engineer will design, develop, and lead the deployment of data engineering pipelines and solutions. Collaborate with data scientists, software engineers, and business SMEs to deliver data-driven solutions. Leverage software development expertise, data engineering, and advanced technologies to enable data-driven projects.

ERP Consultant to support D365 users, business projects, and implementations across international entities. Requires experience with D365 F&O, implementation projects, and strong problem-solving skills.

Senior Software Engineer to build and evolve scalable payment solutions within a microservices environment. Experience building modern software applications at scale and good knowledge of Java and Spring-based development required.

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.

Remote Mobile QA Engineer will manually test iOS and Android applications, design test plans, and analyze network traffic. Requires 4+ years of experience testing both platforms, exploratory testing, and network interception tools. Must have practical experience using AI in QA workflows and testing mobile edge cases. Excellent English and Polish required.

Swedish speaker needed for part-time Customer Success Manager role. Provide advisory services to B2B clients, manage sales operations, and contribute to social media and blog content. Experience in customer success is a plus.