ruby English-speaking jobs in Bielsko-Biała

GL Accountant needed for a growing Shared Services Centre in Warsaw. Support General Ledger activities, contribute to closing processes, and ensure accurate financial reporting. Requires a Bachelor's degree in Finance, Controlling, or Accounting, 2+ years of GL experience, and fluency in English and Polish.

Designs end-to-end architectural solutions aligned with business, IT, and regulatory strategies. Leads cross-domain architectural work and mentors delivery teams. Defines and owns enterprise architecture strategy across business, IS, and IT.

Defect Manager will coordinate defect resolution across teams, ensuring SLAs are met. Responsibilities include analyzing defect criticality, leading defect meetings, and promoting best practices in defect management. Requires test management experience, knowledge of testing methodologies and SDLC, and proficiency in Jira.

Financial Controller to support finance team with analyses and reports. Requires knowledge of accounting and financial analytics, experience in controlling or accounting, and advanced proficiency in MS Excel and PowerPoint. Power BI experience is advantageous. Excellent English skills are essential. Must be independent, meticulous, and able to present data and draw conclusions.

Senior Full Stack Developer with 10+ years of experience in React, C# .NET Core, and Python (pyspark). Expertise in building scalable applications, REST APIs, and microservices. Strong understanding of cloud-native architectures, CI/CD, and data-driven workflows. Experience in credit and market risk domains is required.

Develop and enhance cross-platform applications using Flutter and Dart. Contribute to C++ backend components and implement new features.

Senior Middleware Platform Security Specialist will define and implement secure configurations for middleware software and collaborate with technical experts to develop compliance checks.

Senior ML Engineer to drive distillation of ML Models for high-performance, production-ready rendering systems. Experience with model distillation/compression at production scale, PyTorch, and GPU performance engineering required. Deep understanding of knowledge distillation techniques and computer graphics fundamentals.

Accounts Payable Accountant with German (B2) to support international operations. Responsibilities include processing invoices, verifying accuracy, and communicating with vendors. Experience in accounting/finance is preferred.

DevOps Engineer to design, build, and maintain CI/CD pipelines for cloud-based applications using Camunda. Requires 3+ years of experience, Camunda knowledge, and expertise in containerization, CI/CD tools (e.g., Jenkins), and cloud platforms (Azure or AWS). Must be fluent in Polish and reside in Poland.

Provides technical support for software applications used in production processes. Documents support cases and assists with software testing and pre-sales support. Supports market organizations with application installations, training, and documentation. Collaborates with Product Managers and R&D on customer support and software development. Requires technical education with 2-3 years of experience in a similar role.

Senior Software Engineer II with 5+ years of experience building production-ready software. Proficiency in Golang and/or PHP required. Experience integrating AI into workflows and strong communication skills in English (min. B2) are essential.

Senior Software Engineer (Backend) to design, architect, implement, review, and test frameworks, libraries, tools, and services primarily using Go for Mirantis Secure Registry (MSR) 4. Participate in Agile development, contribute to product discussions, and act as a technical reference for partners and internal teams.

The GCIO Head of Technology Vendor Management Practice will establish and manage the central Vendor Management Practice/Office. This role collaborates with GCIO business aligned Vendor Management teams to develop strategy and best practices. Responsibilities include building relationships with Procurement, creating processes and documentation, organizing communications and events, and ensuring the broader understanding and appreciation of the Vendor Management practice.

Experienced Oracle / SQL / ETL Developer needed for a core leasing system. Responsibilities include designing, developing, and maintaining software solutions, supporting application continuity, and collaborating with agile squads. Requires 5+ years of experience, strong Oracle SQL and PL/SQL skills, and hands-on experience with Oracle Data Integrator (ODI).

Experienced Data Engineer needed for large-scale Azure data platform project. Develop and maintain data pipelines using PySpark and SQL, optimize Spark jobs, and collaborate with stakeholders.

Senior Research Engineer will design and deliver production-ready machine learning solutions for Allegro products. Responsibilities include data exploration, model development and evaluation, applied ML research, and knowledge sharing. Requirements include a master's or PhD in a STEM field, knowledge of deep learning techniques, and experience with Python and relevant libraries.

Senior Product Manager will own mobile game development from concept to LiveOps scale. Drive product direction across gameplay, retention, and monetization. Leverage AI Analytics and data to make product decisions.

Lead and manage a team of 15 data engineers within an Agile SCRUM environment. Build a high-performing team culture and drive continuous improvement. Coach and mentor engineers, supporting career growth and performance development.

Lead two teams of engineers (12 direct reports) in Observability Engineering for Pega Cloud. Responsibilities include software development, delivering visibility, alerting, metrics, and insights for Pega Platform and internal Cloud resources. Provide technical leadership, mentorship, and ensure high-quality deliverables.