ruby English-speaking jobs in Bielsko-Biała

Senior Android Application Engineer to develop and implement custom platform services, applications, and device management features on a customized Android system. Requires expertise in Kotlin, Android SDK APIs, AOSP framework, and security policies.

Head of People to manage a team of three, own full recruitment cycle, design and optimize processes, and handle HR operations. Experience in tech/software services industry preferred.

As a Mid-Level Python Engineer – Trading Systems & Data Pipelines, you will be working for our client, a leading financial technology firm specializing in trading infrastructure. You will help build and enhance systems that analyze trading behavior, optimize execution strategies, and support high-performance live trading environments.

Architect and lead the implementation of large-scale data platform components, including Data Lakes, SDKs, Data Catalogs, and Access Control layers. Design, develop, and optimize data ingestion and transformation pipelines. Champion data discoverability and integrate AI-assisted data management tools. Mentor senior and mid-level engineers. Collaborate with AI/ML, analytics, and governance teams.

Test Automation Engineer needed for meteorological data processing and distribution system. Develop and maintain automated tests for meteorological services, ensuring high availability and performance. Responsibilities include designing, developing, and integrating automated backend tests, extending test frameworks, and validating REST APIs. Requires 3+ years of software testing experience, Python skills, and experience testing REST APIs.

Design, build, and optimize high-availability, high-performance systems handling thousands of requests per minute. Work with Kotlin, Spring, Kafka, and Kubernetes in a cloud-native environment.

Warehouse worker needed for Amazon Logistics Center in Szczecin. Must be able to speak English, stand/walk for 10 hours, and work day and night shifts. Tasks include stocking shelves, loading/unloading shipments, and operating a hand scanner.

technologies-expected : Google Cloud Platform BigQuery technologies-optional : Python about-project : You will be focusing on assessing and improving data quality in critical internal systems. The role includes deploying auto DQ rule prediction, anomaly detection, root cause analysis, and leading data remediation campaigns.

Investigate and resolve customer invoice disputes, analyze data, and collaborate with internal teams to prevent recurrence. Fluent English and Spanish required.

Instructor in Health Sciences needed at the Institute of Health Protection. Requires a Bachelor's degree, 5+ years experience, nursing license, and specialization in a listed area. Must have completed specific courses. Polish fluency required.

Design, develop, and deploy advanced AI assistants using Microsoft Copilot Studio, Azure AI services, and the Power Platform. Shape architectural decisions, ensure security and scalability, and drive best practices in AI agent development.

technologies-expected : SQL Snowflake Oracle Microsoft SQL Server Jira technologies-optional : BI tools AI tools about-project : The project involves supporting large-scale data handling and harmonization initiatives within a regulatory reporting environment.

Guide SME business owners through the financing application process, explaining options and managing communication. Provide advisory services and support the merchant pipeline. Minimum 2 years of customer support experience and fluency in Croatian and English required.

Senior Java developer to join FX Options team in Krakow, Poland. Develop and support high-performance, low-latency trading systems. Collaborate with global team to build multi-tier, high availability systems. Minimum 5 years' experience with a strong track record of agile delivery in enterprise environments.

Junior Software Engineer will contribute to the design, implementation, and testing of new features for a global forwarding platform. Responsibilities include writing clean code, learning AI-supported development practices, and collaborating with experienced engineers.

Senior SAP Integration Developer to design, build, and maintain integrations between Kyriba's CaaS platform and SAP S/4HANA/ECC. Develops data flows for payments, financial postings, bank statements, and cash forecasting. Requires proficiency in ABAP, RESTful APIs, and SAP integration concepts. Collaborates with business analysts and supports customers during deployment and maintenance.

Experienced Change Manager needed for a 2-year program facilitating technology changes in the z/OS mainframe area. Manage change and release processes, coordinate activities with application development teams, and ensure smooth information sharing and upskilling for users.

Junior C# Developer will design and develop REST APIs for Veeam Backup & Replication. Responsibilities include developing new products, supporting existing functionality, and collaborating with engineers to improve development efficiency. Proficiency in C# and the .NET platform is required.

Lead a complex international IT transformation program driving cost optimization across a global organization's IT estate.

Event & ATL Manager to plan and execute automotive events and ATL campaigns. Experience in managing events from concept to execution, direct media buying, and vendor relationships required. Must be able to work independently and manage multiple stakeholders. Fluent English and a valid driving license are necessary.