ruby English-speaking jobs in Bielsko-Biała

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  • Cognizant Technology Solutions
  • Poland
  • February 2
LogoSenior Software Engineer (Java) to design, build, and own scalable back-end solutions using Java and Spring Boot. Collaborate with cross-functional teams and drive engineering excellence.
  • Relativity
  • Poznań
  • February 2
Manages revenue accounting operations, including revenue recognition, close processes, and commission reporting. Requires 5+ years of experience in revenue accounting at a technology company with strong ASC 606 knowledge and proficiency in revenue systems.
  • Ework Group
  • Warsaw
  • February 2
UX Designer needed for 12-month contract (possible extension) to support webshop optimization and new projects. Will collaborate with internal and external teams, utilizing A/B testing and Optimizely CMS. Requires experience in e-commerce UX, conversion rate optimization, and international markets.
  • emagine Polska
  • Poland
  • February 2
LogoManages data quality frameworks for national statistical datasets and administrative data sources, ensuring accuracy, timeliness, and reliability of official statistics.
  • Aduna Global
  • Łódź
  • February 2
As a Principal Engineer, you will define architecture, set technical direction, and solve complex engineering challenges for Aduna's platform. This role involves leading design reviews, establishing technical standards, and mentoring engineers. You will also tackle large-scale technical problems, optimize request flows, and shape platform capabilities for developers.
  • BRAVER IT SPÓŁKA AKCYJNA
  • Kraków
  • February 2
LogoDevelop and optimize a high-performance Node.js backend, working with large-scale data structures and PostgreSQL databases.
  • Limango Polska
  • Wroclaw
  • February 2
Data Engineer to develop and maintain ETL pipelines using PySpark, SparkSQL, and Python within a cloud-based (AWS) lakehouse environment. Collaborate with data analysts, ML engineers, and other data professionals. Bachelor's degree in a related field and 1-3 years of experience in data engineering required. Strong Python and Spark skills, experience with cloud platforms, and SQL skills are essential.
  • Assa Abloy Group
  • Kraków County
  • February 2
LogoStaff Test Engineer will analyze customer issues, develop test strategies, and construct physical test harnesses. Responsibilities include participating in engineering best practices, understanding QA methodologies, and working knowledge of CI/CD. Requires a minimum of 8+ years of related experience, proficiency in C or C#, and familiarity with operating environments such as Windows, Linux, and VMWare.
  • SANY Group
  • Tarczyn
  • February 2
Multilingual Customer Service Specialist to provide technical and service support for heavy machinery products. Respond to inquiries via phone, email, and CRM systems. Fluency in English and Polish required, German and other Eastern European languages a plus.
  • Billennium
  • Województwo pomorskie
  • February 2
Senior System Analyst to design mobile banking solutions. 5+ years experience required, strong SOA, API, and UML knowledge. Proficiency in CASE tools and SQL. English B2+ level.
  • Mend.io
  • Warsaw
  • February 2
LogoTechnical Support Engineer will perform technical analysis and first response to customer issues, including troubleshooting, issue replication, and solution recommendations. The role involves escalating complex issues and providing prompt support via the Mend.io application interface.
  • Caspian One
  • Warsaw
  • February 2
LogoSenior Java Developer to build a next-generation trading platform for a Tier 1 investment bank. Experience with Azure, Kafka, microservices, and financial markets required. Full delivery lifecycle involvement.
  • careersinpoland
  • Kraków
  • February 2
Analyzes and reviews user profiles, audio, videos, and text-based content. Investigates, escalates, and resolves reported issues. Must have strong coping, emotional resilience, and stress-management skills. Excellent English and Russian communication skills required.
  • INFOLET SP. Z O.O.
  • Kraków
  • February 2
Junior Fullstack Engineer to analyze, implement, and test software requirements for a complex automotive infotainment module. Develop backend logic (Node.js + Express), frontend interfaces (React, Angular, or Vue), and internal tools.
  • Ziflow
  • Poland
  • February 2
LogoSenior Backend Engineer will design, develop, and implement high-quality applications in a formal Agile environment. Requires 4+ years of experience with Java 21, Spring framework, and related technologies.
  • Amentum
  • Latkowo
  • February 2
LogoTroubleshoots and repairs malfunctions in various aircraft systems, including structure, landing gear, flight controls, and engines. Performs assembly, modification, and checkout of AH-64D/E aircraft. Requires 5+ years of experience on the AH-64 and the ability to obtain a NAC-I T1 Public Trust clearance.
  • Upvanta
  • Poland
  • February 2
LogoDesigns and develops modern data architecture, collaborates with business stakeholders, and supports technical teams in solution implementation. Requires experience in data integration, processing, and technologies like Snowflake, Qlik Sense, Kafka, and Flink.
  • VeliTech
  • Poland
  • February 2
General QA Engineer (Automation) to perform manual and automated testing of online casino games and platform features. Develop, maintain, and expand automated tests across multiple layers. Collaborate with Developers and DevOps to improve CI/CD pipelines.
  • Godel Technologies Europe
  • Łódź
  • February 2
LogoDesign, build, and support secure, scalable cloud infrastructure solutions focused on Microsoft Azure. Automate provisioning and maintenance using Terraform. Manage HashiCorp Vault for secrets management and integrate it into delivery processes.
  • Sigma Software
  • Poland
  • February 2
LogoStaff Front-End Engineer to drive technical vision and architecture for a SaaS video communication platform. Responsibilities include designing, implementing, and maintaining scalable front-end solutions, leading architectural discussions, and mentoring engineers. Requires strong expertise in JavaScript, Vue.js, and modern front-end development.