ruby English-speaking jobs in Bielsko-Biała

Ensures timely and accurate payments, adhering to company policies and compliance. Processes various payment types, researches historical activities, and forecasts payments. Supports audits and collaborates on projects. Requires a degree in a related field and 1+ year of accounts payable or accounting experience.

Performs in-depth technical model validations of pricing, market, and counterparty risk models for derivatives. Collaborates with stakeholders across business units to ensure proper model review and validation. Contributes to the implementation of benchmark models and standardized testing suites. Delivers high-quality validations within agreed timelines.

Senior .NET Engineers will design, develop, and maintain high-quality .NET applications for banking clients. Responsibilities include collaborating with cross-functional teams, optimizing application performance, and supporting on-premises deployments. Must have strong experience with C#/.NET, MSSQL or PostgreSQL, and cloud environments (preferably Azure).

Build and scale the finance function for a dynamic fintech company creating custom payment solutions. Establish financial frameworks, drive transparency, and support high-growth. Proven fintech experience, strong operational mindset, and financial modeling expertise required.

Design, develop, and maintain R/Shiny applications for Health Economics Modeling. Build statistical models, data processing workflows, and database queries. Collaborate with cross-functional teams to translate requirements into technical solutions.

Lead QA Automation Engineer needed to design, maintain, and promote test automation frameworks for data pipelines, ETL processes, and backend systems. Experience testing big data platforms (e.g., Databricks) and strong PySpark skills required.

Provides administrative and staff support for Global HR, employees, and managers. Processes HR transactions, researches, analyzes, prepares reports, and interacts with employees and managers on HR issues. Advises on policies and procedures, onboards new employees, processes terminations, and prepares company documents.

Develop and evolve brand identity, including visual systems and brand consistency across touchpoints. Shape creative strategy and direction, including campaign concepts and major brand initiatives. Manage design operations, mentor designers, and optimize design processes.

Designs and implements cloud security controls, manages workload identity and secrets infrastructure, and operates network security across the platform. Implements container security controls, manages vulnerability management, and supports audit and compliance requirements. Requires 5+ years of experience in cloud security, infrastructure security, or security engineering roles. Strong Azure security services and Kubernetes security expertise is needed.

DevOps Engineer to build and maintain GitLab CI pipelines and operate GitLab Runners on Kubernetes. Responsibilities include troubleshooting build and deployment issues, and deploying Apache-based workloads on Kubernetes. Must have strong Kubernetes experience, advanced GitLab CI/CD knowledge, and solid Linux fundamentals. EU citizenship and fluent English required.

Operations Specialist to support release management, monitor production environments, and troubleshoot issues. Requires Docker, Kubernetes, Jenkins, and Github/Bitbucket experience.

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. Must have 4+ years of backend development experience with Java, Spring Boot, and OpenAPI. Experience with WebSockets, relational databases, and cloud providers is required.

Handles complaints concerning the quality and performance of medical software, including HIS/LIS, data networks, and middleware solutions. Investigates, documents, and resolves cases, potentially requiring consultation with senior team members. Analyzes data to identify product performance issues and escalates unresolved cases.

Senior Software Engineer with 7+ years of experience building and maintaining complex web applications. Expert in TypeScript, React, and state management solutions. Strong experience with component libraries, data visualization, and front-end testing.

Senior Backend Engineer to design, develop, and improve backend services for data tooling. Responsibilities include contributing to event tracking systems, collaborating with data engineers and product teams, and supporting the migration to a new data platform. Strong Python and Django experience required.

Applied AI Research – Vice President – Warsaw Goldman Sachs is seeking an Applied AI Researcher to join our Applied Artificial Intelligence (AI) Research team.

Senior AI NodeJS Engineer to design and build AI Agentic solutions. Collaborate with cross-functional teams, define technical requirements, and implement features across the software lifecycle. Experience in full-stack development using NodeJS (with TypeScript) and at least 1 year in an AI Engineering role is required.

Test Automation Engineer will design, implement, and execute automated test cases for system integrations using C# in a financial project. Responsibilities include analyzing requirements, contributing to test plans, and working with an Agile scrum team. Requires 4.5+ years of IT experience in automated testing with C#, Java, Selenium, Playwright, and SQL.

Backend Engineer will contribute to a next-generation security initiative, focusing on cryptography, automation, and AI-powered analysis. Responsibilities include designing, developing, and delivering features, writing clean code for back-end systems, and collaborating with AI and cryptography specialists. Requires 5+ years of experience in backend development, excellent TypeScript coding skills, and AWS experience in containers and serverless systems.

Information Security Governance Specialist develops, maintains, and improves information security policies and standards. Conducts risk assessments, monitors compliance, and provides guidance on security governance, data protection, and privacy. Collaborates with IT, business, and compliance stakeholders to ensure alignment with business and technology strategies. Supports third-party risk management and incident response activities.