29 English-speaking jobs in Lubusz Voivodeship

Founded in 2015, B2C2 is a global leader for institutional liquidity within digital assets. We bring 24/7 365 days a year deep, reliable pricing for spot, futures, options, CFDs, and NDFs across all market conditions. Our growing team has deep expertise across pricing, structuring, risk, systems, and regulation.

Conduct in-depth threat modeling and cryptographic analysis of Rublon's authentication flows. Prototype and validate next-generation passwordless methods such as WebAuthn/FIDO2 passkeys. Continuously monitor emerging attack vectors. Translate research insights into production-ready features. Document and communicate findings in reports with reproduction steps and actionable remediation guidance. Track emerging threats and bypass techniques. Support incident simulation and response.

Senior Python Software Engineer will design, build, and evolve Python services and data-driven components for network planning and delivery applications. Responsibilities include developing data pipelines, working with PostgreSQL, implementing geospatial capabilities, and collaborating in a SAFe setup.

Senior Software Engineer will design, develop, and maintain software solutions. Lead projects, mentor junior team members, and collaborate with product teams. Requires experience designing advanced software systems, proficiency in object-oriented programming, and experience with Agile methodologies and DevOps practices.

Senior Data Engineer will design, build, and manage data pipelines and analytics solutions on AWS. Responsibilities include collaborating with stakeholders, developing data processing frameworks, and ensuring data quality and observability. Requires 5+ years of data engineering experience, proficiency in Python and SQL, and experience with AWS cloud infrastructure.

Senior Data Engineer will design, build, and manage data pipelines and analytics solutions using AWS technologies. Responsibilities include collaborating with stakeholders, developing data processing frameworks, and ensuring data quality and reliability. Requires 5+ years of experience in data engineering, proficiency in Python and SQL, and experience with Airflow, Spark, Kafka, and AWS.

Senior .NET Fullstack Developer to develop and maintain web applications using ASP.NET, APIs, and Azure Services. Requires C#, .NET, SQL databases, and Angular experience.

Designs, implements, and maintains automated test solutions for web, API, and mobile applications. Executes functional, integration, acceptance, and automated tests. Develops and maintains automated test frameworks using Selenium WebDriver or similar tools.

Execute manual, integration, and regression tests based on project requirements. Report, track, and verify defects using test and defect management tools.

Senior GoLang Developers with 4-6 years (regular) or 6+ years (senior) experience are sought. Expert Golang skills (3+ years daily coding), API development (REST, gRPC), Linux/container knowledge, cloud orchestration understanding, and strong teamwork are required.

Senior React Native Developer to build and scale mobile apps using Expo, OIDC, and WebSockets. Experience with chat/real-time applications and architecture is required.

Sales Development Representative to Account Executive. Build prospect database, conduct demos, negotiate, and close deals. Fluent English required, additional languages a plus. 5+ years B2B sales experience, 2+ years SaaS software sales, international client experience preferred.

Certifies healthcare centers, physicians, and staff according to BD APM procedures. Builds relationships with Key Opinion Leaders (KOLs) and conducts training on devices, implantation techniques, equipment operation, and troubleshooting. Develops and refines educational materials, tools, and programs based on clinical experience and guidelines. Provides technical support and guidance to physicians and medical staff during commercial procedures. Trains new Field Clinical Specialists. Collaborates with sales teams on growth strategies and supports sales efforts through upselling in key institutions. Validates software and equipment updates in the field. Monitors clinical activity, market trends, and competitor actions. Shares clinical knowledge regarding anatomy, physiology, and product applications.

Sourcing Engineer will lead sourcing activities from product concept to production, collaborating with cross-functional teams to ensure supplier capabilities align with business needs.

Provides administrative support including asset management, office operations, and expense management. Requires an Associate's degree or higher, experience in asset management or related fields, and fluency in English.

Designs, configures, and implements Manufacturing Execution System (MES) solutions. Develops interfaces between Apriso and external systems (ERP, PLM, WMS) using middleware and APIs. Enables real-time data collection from PLC/SCADA systems and IoT devices.

Design Engineer Business Analyst with 8+ years of Creo Parametric and SOLIDWORKS experience. Leads CAD system transitions, implements PLM systems, and provides technical support. Requires strong communication and project collaboration skills.

Leads the design, integration, and governance of Operational Technology (OT) systems across a modern utilities environment. Focuses on secure SCADA, telemetry, and industrial automation platforms, ensuring seamless interoperability with enterprise IT, ERP, and cloud ecosystems.

Senior Golang Developer will integrate product data streams into a PIM platform, maintain event-driven systems, and improve system stability and performance. Requires 3+ years of Go experience, microservices development, and experience with asynchronous processing, event-driven architectures, and messaging systems.

Senior Frontend Developer to create, maintain, and improve frontend applications using TypeScript, React, Next.js, and Tailwind CSS. Minimum 7 years of experience required.