ruby English-speaking jobs in Bielsko-Biała

The International Treasury Manager will drive the strategy and execution of Treasury Operations and Risk for the EMEA region. This role involves managing international banking operations, optimizing bank account structures, and ensuring compliance with applicable laws and regulations. The position requires strong analytical, communication, and supervisory skills, as well as proficiency in Treasury Management Systems (Kyriba), SAP Hana, and MS Office Suite.

Senior QA Automation Engineer leads automation architecture and quality engineering practices for Global Payments. Designs, maintains, and evolves automation frameworks for frontend, backend, APIs, and performance testing. Partners with engineering teams to improve system testability and implements secure testing practices. Leads UAT cycles, translates business requirements into test scenarios, and validates real-world workflows. Educates engineers on responsible AI-assisted test creation and promotes continuous improvement of tooling, processes, and metrics.

Senior Test Engineer to carry out manual and automated tests, develop test strategies, and analyze software quality. Requires experience in test automation, agile methodologies, and tools like Jira, Selenium, and JMeter.

Java Developer to implement caching mechanisms, migrate APIs, and deliver stability improvements within a cloud-native architecture. Requires 3+ years of Java experience, AWS expertise (ECS, ElastiCache), and API design skills (REST, GraphQL).

Why we’re hiring We are executing a major digital modernization program for our customer to transform the guest experience. This Project aims to deliver a unified, personalized digital journey across web and mobile platforms - integrating a modern Conversational Concierge and a Unified Booking Experience. We are looking for a Senior Solution Architect to own the end-to-end solution design.

Lead Data Scientist will spearhead product innovation by developing and implementing data science components for an AI-powered optimization platform. Responsibilities include leading the design and implementation of the machine learning pipeline, coaching the team, and researching and prototyping new ML/AI innovations. Requires a Bachelor's or Master's degree in a quantitative field, hands-on experience with optimization algorithms, proficiency in Python and SQL, and experience with cloud and MLOps technologies. Line-management or technical-coaching experience is also required.

Senior Product Manager to own Application Intelligence at Userlane. Shape data & analytics products (App Discovery, HEART Analytics, Portfolio Overview) for enterprise CIOs and IT leaders. 5+ years experience in data/analytics product management, experience building analytics for executives, and strong understanding of enterprise B2B.

Gain hands-on experience in material planning and procurement. Collaborate with suppliers and stakeholders to ensure smooth supply chain operations.

Senior Electrical Designer will plan, develop, and review electrical engineering design work, produce drawings and documentation, and prepare design estimates. Responsibilities include modeling electrical rooms, equipment, and systems in SmartPlant 3D, creating bill of materials and installation details in SmartSketch and AutoCAD, and performing calculations using AGI 32 and ETAP. The role requires 13-15 years of relevant experience, proficiency in SmartPlant 3D, SmartSketch, and AutoCAD, and knowledge of NEC code and NEMA/ANSI/IEEE Standards.

Design and architect scalable software solutions using modern front-end and back-end technologies. Collaborate with teams to translate business needs into technical requirements. Develop applications leveraging ReactJS and .NET.

Full Stack Engineer will build and scale real-time, data-driven services using Java, Spring Boot, React, TypeScript, and AWS. Responsibilities include developing microservices, designing APIs, and delivering responsive interfaces with live updates. Must have 4+ years of backend development experience with Java, Spring Boot, and OpenAPI. Experience with WebSockets, relational databases, and cloud platforms is required.

Forester - Khulisa will oversee and coordinate operational plans for silviculture and wood fibre delivery. Responsibilities include preparing annual plans, managing plant use efficiency, and developing harvest plans. Requires a National Diploma in Forestry, Agriculture, or Horticulture and a valid code 08 driver's license.

Develop and maintain React management dashboards and contribute to MNO translation adapter development. Build backend API contracts and own the CI/CD pipeline within a GitOps framework.

Experienced Area Sales Manager needed to drive business growth in the Middle East and Africa region. Develop and implement sales strategies, conduct market research, build client relationships, and coordinate product launches. Requires a Bachelor's degree, 3+ years of sales management experience in the region, and proficiency in English.

Data Engineer specializing in Azure Databricks needed to design, develop, and maintain data pipelines and Lakehouse architectures. Responsibilities include building data transformations, implementing Delta Lake, and integrating data from various sources. Requires 3+ years of experience in data engineering, strong Azure Databricks skills, and experience with PySpark, Spark SQL, and Azure Data Factory.

Software Engineer I to join R&D team developing backup services. 2+ years experience, backend development skills in Go or PHP, SQL databases, RESTful APIs, Git, and OOP. Contribute to code development, testing, and documentation.

Develop and consolidate customer networks in Poland. Coordinate, visit, support, and train major customers. Negotiate projects and orders. Identify and coordinate customer needs with product management.

GE HealthCare seeks Systems Integration professionals to design, build, test, and deploy integration workflows and interfaces for radiology and cardiology environments. Responsibilities include analyzing customer requirements, translating needs into integration designs, and troubleshooting incidents.

Copywriter needed to create engaging and impactful copy for a variety of channels, including in-app ads, marketing campaigns, and website content. Must have 3+ years of experience, fluency in English, and a data-driven approach.

About Frontiers At Frontiers, our purpose is simple yet ambitious: to make science open. We believe open science empowers the global scientific community to accelerate discovery and develop the solutions needed for healthy lives on a healthy planet. We are one of the world's largest and most influential open-access research publishers.