ruby English-speaking jobs in Bielsko-Biała

Product Designer will solve user problems through product experiences that support business goals. You will own design outcomes end to end, turning user insights, business needs, and technical constraints into clear, effective solutions.

Android Engineer to build next-gen mobile experiences for millions of users. Develop features, optimize performance, and experiment with new technologies.

Senior Business Analyst to develop and maintain solutions within the Atlassian Jira environment. Responsibilities include analyzing processes, designing configurations, supporting PMO, and creating reports. Requires 3+ years of experience as a business or system analyst and 2+ years with Atlassian tools (Jira, Confluence, BigPicture).

Data Engineer with experience in data warehousing and data wrangling will build and optimize data pipelines for clients. Responsibilities include identifying improvements for data processing solutions, advising on tool utilization, and collaborating with teams to ensure business requirements are met.

Account Development Specialist will manage relationships with institutional partners, drive onboarding and renewals, and analyze engagement data to improve partner experience. Requires experience in account management, customer success, or related fields.

Technical Solution Engineer will build expertise across the e-commerce platform, diagnose and resolve technical issues, and provide expert support to clients and partners.

Develop sophisticated software solutions using C/C++ and Python. Design, debug, and analyze performance on enterprise storage systems. Contribute to modeling, developing, and testing software products.

Designs, develops, and maintains production-grade backend software in Java. Delivers end-to-end features, from requirements analysis and design to implementation, testing, deployment, and maintenance. Works closely with engineering, product, and delivery teams to align technical solutions with business goals.

Lead backend development for a new aviation platform using Golang. Design and implement scalable microservices, shape system architecture, and optimize data flow using PostgreSQL and Google Spanner. Ensure performance, reliability, and maintainability in a high-availability environment.

Senior Coupa Administrator will manage and optimize HERE's global procurement platform, ensuring efficient and secure operations. Responsibilities include system administration, user support, process improvement, and collaboration with IT and Global Process teams.

Senior Database Engineer will design, implement, and maintain scalable database solutions. Responsibilities include collaborating with teams to design database architecture, write complex SQL queries, optimize performance, and troubleshoot production issues. Requires 10 years of experience as a Database Architect or similar role supporting enterprise applications and proficiency in SQL performance tuning in MS SQL Server, Oracle, or Snowflake.

Develop, deploy, and operate microservices using DevOps practices and cutting-edge methodologies. Collaborate with cross-functional agile teams to build and maintain the HelloFresh platform.

Java Developer will design and develop Java code using frontend technologies and backend microservices. Responsibilities include working with various technologies, collaborating with other teams, and maintaining documentation.

Senior Software Engineer needed for API development and integration with financial institutions' APIs. Requires 5+ years experience in .NET and Java, cloud environments (Azure or AWS), and strong collaboration skills.

Provide technical support to Slovenian-speaking customers via telephone, resolving hardware, software, and network issues. Administer user access, document problems, and coordinate with vendors.

Support the design and implementation of Marketing Mix Models (MMM) to measure marketing ROI and optimize channel performance. Collect, clean, and integrate marketing and sales data from various sources. Conduct statistical analysis and modeling, and visualize results for stakeholders. Collaborate with marketing, finance, and analytics teams to translate results into recommendations. Assist in automating modeling workflows and reporting dashboards using Python or R.

Develop .NET applications in C#, integrate systems using cloud technologies, and troubleshoot integration issues. Collaborate with application teams in an Agile environment.

Develop and manage a partner network in the Polish market. Identify, build relationships with, and onboard new partners. Collaborate with partners and internal teams to drive market growth and product adoption.

Application/Product Security Engineer will conduct security assessments, design security architecture, review code for vulnerabilities, and educate development teams on secure coding practices.

Experienced Analytics & AI Engineer needed to design, build, and deploy AI solutions, including ML, LLMs, and GenAI, for enterprise applications. Responsibilities include developing ETL pipelines, implementing AI agents, optimizing models, and integrating AI into production systems. Requires 5+ years of experience in software engineering, data science, or machine learning with a strong AI focus. Expert-level Python, LangChain/Llamaindex, FastAPI, and SQL skills are essential.