ruby English-speaking jobs in Bielsko-Biała

Senior Compensation Analyst supports the execution of global compensation strategy, focusing on alignment with Ericsson programs. Leads compensation projects including job architecture, pay transparency, and reward & recognition programs. Manages vendor relationships and provides compensation expertise to internal stakeholders.

Network Specialist (Local Area Networking, Wide Area Networking, Cloud Networking, Data Center Networking, Network Management, SDN) - Level Advanced. 50% on-site/50% remote. Minimum 5 years experience in similar roles. Cisco CCNA certification or equivalent required. Administer, monitor, and troubleshoot IP networks. Provide 2nd line support to Frontex system and network users. Create and update technical documentation. Advise on network improvements.

Senior Manual Tester with 8+ years of experience in software testing, preferably in the Mortgage domain. Strong functional, system, integration, API, and end-to-end testing skills. Experience with test management tools and Agile methodologies. Excellent analytical and problem-solving skills.

Experienced Product Owner needed to support projects from sales to delivery. Translate client needs into product vision, scope, and backlog. Facilitate agile ceremonies and ensure delivered features meet business goals.

Experienced Valuation Controller needed for Banking client. Ensures appropriate valuation and control of financial instruments (Equities, Commodities, FX, Derivatives) adhering to IFRS standards. Drives regulatory and operational initiatives within Product Control. Requires strong analytical skills and experience with Valuation/Product Control or Market Risk functions. Advanced Excel skills are essential.

Business Operations Analyst will independently manage end-to-end workstreams, translating business requirements into implementation plans. You will serve as a trusted advisor to cross-functional teams, analyzing, planning, and executing business operations processes.

Leads web revenue performance and strategy for a Business Unit, driving web-to-web growth. Manages a team of growth managers, collaborating with product, marketing, analytics, and engineering. Requires 5+ years of experience in subscription-based growth marketing, 3+ years of leadership experience, and a deep understanding of web growth metrics and LTV prediction models.

Data Scientist Expert will advance mathematical and statistical foundations of recommendation systems. Responsibilities include identifying limitations, deriving improvements, and owning their production deployment and impact measurement. Requires a Master's or Ph.D. in a relevant field and 5+ years of experience with production ML ownership.

Building Services BIM Technician to produce coordinated BIM models & drawings for a range of building projects using Revit software. Must have HNC/HND (or equivalent) and experience with BS EN ISO 19650 standards. Strong Revit and AutoCAD skills required. Fluent in Polish and English.

Senior UNIX Administrator will configure, deliver, and support Linux (RHEL) and Solaris servers in a DevOps environment. Responsibilities include automation, build and support process streamlining, and infrastructure modernization. Expertise in Unix/Linux system design, Veritas Volume Manager & Veritas Cluster Server, and scripting (Bash, Perl, Python) is required.

Perform inventory tasks as part of a team, ensuring accurate stock counts and completing duties accurately and on time. Must be available starting 17.08.2026 and possess good communication and meticulous attention to detail.

SAP FI/CO Consultant needed for a project supporting finance and controlling processes across the APAC region (excluding China). Focus on Product Costing, production cost settlement, period-end closing support, and third-line functional support.

Mid Ruby on Rails Developer to design, build, and maintain web applications. Requires 3+ years of Ruby on Rails experience, strong relational database knowledge, and experience with CI/CD, Docker, and Git. Must be fluent in English and Polish.

Senior Operations Specialist to drive performance across Bolt's rides marketplace in Poland. Analyzes product, builds deep dives, and improves financial processes. Leads projects across supply, demand, pricing, and conversion, identifying issues and implementing solutions. Partners with Finance, Growth, Marketing, and Product teams. Manages relationships with key Fleet Partners. Designs and improves scalable processes.

Lead and develop the HPE business in Poland, driving growth across Infrastructure, Hybrid Cloud, and Networking solutions. Build and strengthen relationships with HPE, partners, and key customers. Lead the local team, providing commercial direction and support.

Senior Optomechanical Engineer will design and develop mechanical structures for ICEYE's satellite payloads. Responsibilities include CAD design, analysis, and optimization, material selection, and collaboration with manufacturers. Must have expertise in mechanical CAD, material science, and design delivery through suppliers.

Lead the design, development, and optimization of ETL workflows for D365 F&O data migration using Alteryx, SQL, Microsoft Fabric, and PySpark. Manage data migration processes, collaborate with teams, and ensure data quality and pipeline performance.

New Business Manager will identify and acquire enterprise B2B clients, developing and executing sales strategies. Requires 3+ years of experience in eCommerce agency sales, proven track record of exceeding targets, and strong understanding of the eCommerce ecosystem.

This role focuses on project coordination and execution within Cybersecurity. Responsibilities include maintaining the Cybersecurity Service Catalog, collecting and analyzing benchmarking data, and conducting assessments to identify service improvement opportunities. The ideal candidate will have a Bachelor's degree in a relevant field and 3+ years of experience. Strong communication, analytical, and project management skills are required.

Senior Java Developer to design, develop, and test robust solutions for FX Options IT. Minimum 5 years' experience with a strong track record of agile delivery in enterprise environments. Proven experience designing and implementing high-performance, low-latency, and distributed systems. Strong Java server-side development skills, including multi-threaded programming. Solid understanding of e-trading workflows, derivatives, and trading desk operations.