ruby English-speaking jobs in Bielsko-Biała

Senior Business Analyst with 5+ years of experience in payments domain required. Define and deliver backend payment solutions, including APIs, while ensuring compliance with regulatory frameworks.

We offer our full‑time employees a competitive salary, bonus opportunities, and a full benefits package that includes medical, dental, vision, life, disability, employer‑matching 401(k), and opportunities for advancement!

Manages, maintains, and optimizes database systems on AWS, Azure, or GCP Cloud. Collaborates with global teams and DevOps engineers to ensure database performance, reliability, and security.

Develop software with ABAP/OO for SAP EWM/MFS and ABAP/4 for SAP WM projects. Conduct commissioning, performance tests, and documentation. Design and develop software solutions according to Dematic standards.

Senior Ruby on Rails and React Developer with 8+ years of experience sought. Must have deep expertise in Ruby on Rails and React, a proven track record of defining direction and making architectural decisions, and experience designing and maintaining robust test suites. Focus on admin panels and internal tooling, with experience in smaller-scale environments and strong stakeholder collaboration skills.

Senior Back End Engineer will design and develop backend services, including RESTful and GraphQL APIs, serverless architectures, and microservices. Responsibilities include database management, cloud services utilization (AWS), DevOps practices, and collaboration within a Lite Agile environment. Requires 5+ years of backend development experience, expertise in GraphQL and REST, database skills (SQL and NoSQL), and proficiency with AWS services, GitLab CI/CD, Kubernetes, and Terraform. Fluency in English is essential.

NET Full Stack Software Engineer to join our technology team in Warsaw! As a Mid. NET Full Stack Software Engineer, you’ll work closely with product managers and stakeholders to design and develop complex solutions that deliver real value to our customers. Your expertise in . NET will be key as you optimize and refactor code for performance and scalability.

Backend Engineer to build APIs, jobs, and data pipelines using Python, Celery, FastAPI, Django, PostgreSQL, Redis, Airflow, and GCP. Requires 5 years of software engineering experience, 3 years with Python, and fluency in Python, SQL, and other OOPLs.

UX Designer will collaborate with cross-functional teams to create user experiences, establish design systems, and champion design-informed decisions. Requires 2+ years of experience designing mobile applications and responsive web interfaces, experience translating user research and data into design solutions, and strong communication skills. Must be fluent in Polish and English (B2 level or higher).

Front-End Web Developer needed to build, update, and maintain websites across WordPress and other CMS platforms. Experience developing custom WordPress themes and familiarity with design tools like Figma or Adobe XD required.

Senior Data Scientist to develop ML models for analytics, personalization, and anomaly detection. Requires strong Python, SQL, and ClickHouse skills, experience with ML algorithms, and end-to-end model deployment.

Provide Senior Full Stack Software Development Services to architect, develop, and deploy a Full Stack application for NATO's Toolbox platform. Develop advanced application capabilities for analysts, enabling the exploration, analysis, and synthesis of strategic foresight analysis data. Integrate with AI-enabled backend services, ensuring transparent, auditable, and controllable analytical workflows. Deliver deployment-ready solutions compatible with restricted and secure environments.

Design, develop, and maintain high-quality mobile applications using React Native. Optimize the user activation process and create a first-time user experience. Lead complex software systems development and mentor junior and senior engineers.

As a Digital Workplace Engineer, you will drive the successful adoption of Microsoft 365 collaboration and productivity tools. Your focus will be on user adoption, Copilot for Microsoft 365, and developing collaboration scenarios. You will design and implement adoption concepts, deliver enablement formats, and advise business units on Copilot use cases and best practices.

Design and deliver Microsoft 365 migrations, including Exchange Online, Microsoft Teams, and SharePoint Online. Support customers during on-premise to cloud transformations and design basic M365 architectures.

Junior Customer Success & Implementation Specialist supports B2B clients, providing guidance on quality systems, security, and regulatory compliance. Collaborates with stakeholders to implement solutions and contribute to service improvement. Requires a master's degree in a related field, fluency in Polish and English, and strong analytical and problem-solving skills.

Manages and delivers customer onboarding into DP World's European LLP/4PL operations. Executes implementation projects, coordinates cross-functional teams, and ensures smooth electronic data exchange. Leads change management, monitors project milestones, and contributes to process optimization. Requires a bachelor's degree, 7-10 years of relevant experience, and fluency in English.

QA Automation Engineer (Java) will develop testing strategies, automated tests, and improve automation tools for Veeam Backup for Salesforce. Responsibilities include validating tests, conducting test cycles, and analyzing test results. Requires knowledge of Java, SQL, REST, SOAP, HTTP, Playwright, Docker, Azure DevOps, and automated testing tools. Experience with Spring Boot, test case management systems, and distributed systems is also desired.

Data Engineer with 3+ years of experience in data engineering, data warehousing, or BI development. 3-5 years of hands-on experience with SAP BW on HANA and SAP Datasphere required. Experience with SAP data integration techniques (e.g., BDC) and delivering end-to-end BI solutions including data modeling, ETL, and reporting. Strong SQL skills and understanding of data structures. Experience working with large datasets and performance optimization.

Senior Software Engineer to build and deploy features across Java and Python stack. AI-native development using tools like Copilot, Cursor, and Claude is a core part of the role. Must have 3+ years of professional software engineering experience with a solid foundation in Java and/or Python.