backend developer English-speaking jobs in Świdnica

Senior Java developer to join FX Options team in Krakow, Poland. Develop, test, and support robust Java solutions for high-throughput trading applications. Collaborate with global team to build multi-tier, high availability systems.

Key Account Manager will manage a portfolio of potential clients in finance, IT & telecommunications, and engineering, providing top-tier specialists and related services.

Lead pricing & monetization projects for 3-4 clients simultaneously, managing workstreams, coordinating tasks, and ensuring project delivery. Contribute to thought leadership content on monetization and pricing, analyze data to reveal insights, and manage client relationships. Develop impact & risk models, champion strategic pricing, and collaborate with the data team.

Junior DevOps Engineer to support deployment processes, automate tasks, and implement DevOps best practices. Requires understanding of servers, web applications, Linux, networking, scripting, Git, and CI/CD concepts. Must have experience with AI tools and a track record of building projects independently.

Cloud & Microsoft Service Administrator needed to modernize IT infrastructure and support Dynamics 365 F&O rollout. Expertise in Azure, ENTRA ID, Exchange Online, M365, SharePoint, Power Platform, Active Directory, and security is required.

Lead global SAP SuccessFactors Compensation initiatives and system enhancements. Support Talent Management modules, including Performance & Goals and Succession & Development. Analyze business requirements and translate them into scalable SAP SuccessFactors solutions.

Senior Fullstack Developer to build secure, interactive web interfaces using Next.js (v13+), TypeScript, and React. Requires 5+ years of experience with Next.js, TypeScript, Git, and Prisma. Occasional travel to Belgium for team meetings.

As a Sales Engineer, you will expand business within your assigned territory, providing consultative technical sales solutions to clients. You will develop your product line, generate leads, and build customer relationships.

Lead SAP authorization initiatives within complex SAP environments. Architect SAP platform authorization strategies across SAP S/4HANA and cloud-based landscapes. Define and govern preventive authorization controls as part of SAP security architecture. Drive SAP authorization-focused security assessments, remediation roadmaps, and audit readiness activities.

Senior Software Engineer with 5+ years of experience in building high-traffic software. Proficiency in Golang and PHP required. Experience integrating AI into workflows and strong communication skills in English (B2 minimum) are essential.

Investigate complex business requirements, design and execute test cases, and support incident management and reporting of test results.

The Infrastructure - Citrix Specialist operates, maintains, and troubleshoots the global Citrix environment. This role provides advanced support, manages vendors, and drives continuous platform improvement. Requires a technical education, 5-7 years of experience with Citrix and end-user technologies, and fluency in English.

Big Data Engineer (Spark/Scala) needed to build distributed data processing pipelines using Spark. Requires 7 years of Spark & Scala experience, 5 years Python, and 3 years Robot Framework. Must have experience with Hadoop, Hive, Oozie, and SQL. Strong AWS knowledge and CI/CD experience are also required.

Build and maintain reliable, observable, and secure AI infrastructure to ensure optimal service availability. Troubleshoot production issues, participate in on-call rotations, and implement observability solutions. Contribute to infrastructure lifecycle management and collaborate with development teams.

Software Developer will design, implement, and maintain features using Java 8, Spring, and related technologies. Requires 2+ years of Java development experience and strong communication skills.

Experienced Golang Developer needed to build scalable microservices, integrate with frontend components and IDEs, and implement security mechanisms. Requires proficiency in Go, TypeScript, VSCode extensions, OAuth 2.0, Active Directory, Docker/Kubernetes, and CI/CD.

Lead and execute penetration tests across web applications, APIs, mobile apps, cloud environments, and networks. Perform Active Directory security testing and develop custom exploits using Python, PowerShell, and Bash. Manage the full engagement lifecycle and provide technical expertise to clients and stakeholders.

Shape the technical direction of a developer-focused platform, balancing scalability, developer experience, and business goals. Collaborate with engineering teams to define platform capabilities and prioritize initiatives. Drive the evolution of a cloud-native platform built on Kubernetes, AWS, and modern infrastructure tooling.

Provides support, certification, and documentation for storage and backup infrastructure. Automates infrastructure tasks and supports complex storage devices. Requires experience with UNIX, VMware, Windows, and strong communication skills.

Master Data Specialist will create, maintain, and update supplier master data in D365 systems, ensuring compliance with data governance rules. Collaborate with cross-functional teams to gather requirements, validate data, and resolve issues. Minimum 2 years of experience in Master Data Management is required.