31 English-speaking jobs in Lubusz Voivodeship

Join Rublon to work with a team of cybersecurity enthusiasts who are building the future of enterprise user authentication. Rublon MFA is a multi-factor authentication platform used by hundreds of customers across the globe to protect employee logins to networks, servers and applications. How You’ll Work Location: 100% remote or office in Kraków or Zielona Góra, Poland Technology Stack: PHP 8.

Full-Stack Developer (Java EE, Angular) to design, develop, and support custom software solutions for automotive and international clients. Collaborate with stakeholders, implement backend and frontend functionality, and ensure high code quality. Proven experience in Java software development and Angular (version 7 or newer) required.

Develop and improve the Rublon Authentication Proxy, focusing on LDAP, RADIUS, scalability, reliability, and observability. Extend enterprise authentication services with new features and enhance security through logging, monitoring, and metrics. Write secure, efficient Python code and collaborate with the team on architecture and implementation.

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 clear, risk-ranked reports. 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.

Customer Quality Engineer will handle customer complaints, build customer relationships, conduct audits, analyze quality issues, and implement solutions. Requires 2+ years of experience in the automotive industry, proficiency in PPAP, FMEA, and Control Plan, and strong communication and analytical skills.

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.

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

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.

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.

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.

Salesforce CPQ / RCA Specialist will configure and develop solutions across Salesforce CPQ, Revenue Cloud, and RightRev. Responsibilities include product catalog configuration, pricing rules, and revenue recognition logic. The role requires 3-5 years of Salesforce CPQ and/or RCA experience and a Salesforce Certified CPQ Specialist certification.

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.

QA Engineer to design, develop, and execute manual and automated tests for cloud-native security services. Requires 3+ years of QA experience, strong AWS skills, and experience with CI/CD testing.

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