23 English-speaking jobs in Holy Cross Voivodeship

Koinly is a successful product used by crypto investors around the world, helping them make sense of complex portfolios and tax obligations across chains, wallets, exchanges, and Defi protocols. The bar is simple to describe and hard to deliver: a user should be able to reconcile thousands of transactions and file their taxes in under 20 minutes.

Designing, building and maintaining Azure infrastructure with a focus on security, scalability and reliability Building Azure infrastructure using Infrastructure as Code, primarily Terraform Building and maintaining CI/CD pipelines using Azure DevOps and/or GitHub Actions Automating deployment, configuration and operational processes across Azure environments Supporting application and data migrat

Designing, building and maintaining Azure infrastructure with a focus on security, scalability and reliability Building Azure infrastructure using Infrastructure as Code, primarily Terraform Building and maintaining CI/CD pipelines using Azure DevOps and/or GitHub Actions Automating deployment, configuration and operational processes across Azure environments Supporting application and data migrat

At thyssenkrupp GSG, we are the driving force behind thyssenkrupp’s global IT and Business operations. With passion and expertise, our teams design, develop, and support the applications and infrastructure that keep thyssenkrupp’s worldwide business moving forward.

Penetration Tester role requires 3+ years experience in web/infrastructure testing. Responsibilities include identifying vulnerabilities, supporting security projects, and creating reports. Must know OWASP and tools like Burp Suite.

Automate Linux and Windows server provisioning using Ansible. Manage Azure resources via code and develop GitHub Actions pipelines. Requires strong Linux skills, Python, and Ansible experience.

Senior Flutter Software Engineer to design, develop, and maintain high-quality cross-platform mobile applications. Requires 8+ years of experience and 3+ years in Flutter development, focusing on scalable solutions and architecture.

Senior DevSecOps Engineer maps the operational attack surface and assesses applications. Responsibilities include building CI/CD security gates, creating triage processes, and producing weekly progress reports for the CISO.

Senior Cloud and Infrastructure Security Engineer to assess and strengthen multi-cloud security across Azure and AWS. Focus includes Kubernetes, network architecture, and VM security. Define hardening baselines and provide remediation recommendations.

Own the distributed backend data engine for a crypto tax platform. Requires 8+ years in complex, data-heavy distributed systems, expert TypeScript, and DeFi context. Focus on high-performance, correct data processing.

Design, build, and maintain secure, scalable Azure infrastructure using Terraform and CI/CD pipelines. Focus on Azure platform services, migrations, and collaboration with technical teams. Requires 4+ years of Azure experience.

Senior QA Automation Engineer to contribute to a fintech project by generating automated test scripts and test plans. Requires 4+ years of QA/Test Automation experience, proficiency in Python, and experience with Selenium/PyTest in AWS environments.

Build production-grade, agentic AI systems for VC and PE clients. Own end-to-end delivery of LLM workflows, full-stack AI applications, and scalable data infrastructure. Requires hands-on experience shipping production AI/LLM systems.

Experienced Assembler Programmer needed to support and modernize business-critical IBM Mainframe systems. Expertise in HLASM, z/OS, MVS, CICS, and DB2 is required for code development and performance optimization.

Fullstack Mid Java React Developer needed for Java and React development. Responsibilities include technical decision-making, code quality, and agile participation. Requires 4+ years in commercial software development with strong Java (Spring Boot, JPA) and React/TypeScript skills.

Senior Software Engineer to build and modernize a highly available communications platform. Own technical goals for multi-region, multi-tenant infrastructure, APIs, and vendor integrations. Requires 5+ years experience with distributed systems and Python/Kotlin.

Lead Android development using Kotlin/Java, focusing on VPN application architecture. Expertise required in Android networking, connectivity, and security. Collaborate with international teams.

Build service layers for agentic AI solutions using Python, FastAPI, and Temporal on Azure. Develop AI agents and workflows, integrating them with backend services. Requires 3+ years of Python backend experience.

Build secure Azure infrastructure for an Internal Developer Platform using Terraform while integrating agentic AI to automate infrastructure tasks. Develop AI agents, maintain CI/CD pipelines, and automate processes with Python and PowerShell.

Fullstack Engineer role requiring Python/FastAPI, PostgreSQL, React/TypeScript skills. Focus on building and maintaining scalable web infrastructure, driving CI/CD, and optimizing performance across layers.