10140 English-speaking jobs in Kraków

Senior C++ Developer will design, develop, and maintain high-performance software components for a product related to advanced localization and positioning technologies. Responsibilities include optimizing existing solutions, collaborating with engineers, and ensuring code quality. Strong commercial experience in C++ development and understanding of performance-critical software concepts are required.

Senior Site Reliability Engineer designs, implements, and maintains cloud-based infrastructure for large-scale systems. Develops data-processing software, advises customers on cloud-native solutions, and solves complex technical challenges. Requires 6+ years of experience with AWS and GCP, Infrastructure as Code, and configuration management tools. Strong programming, communication, and leadership skills are essential.

Senior Fullstack engineer to modernize a document processing engine using C#/.NET, React, and Temporal. Develop microservices, design workflows, and collaborate on system architecture within an Azure/Kubernetes environment.

Senior Golang Engineer to design and develop scalable microservices for a cloud-native banking platform. Responsibilities include migrating legacy systems, solving distributed system problems, implementing monitoring, managing infrastructure-as-code, and mentoring junior engineers. Requires extensive Golang experience, microservices design, AWS, Docker, Kubernetes, and testing expertise.

Senior Full-Stack AI/LLM Engineer to design, build, and deploy production-ready AI features. Responsibilities include LLM application engineering, agentic workflow design, RAG implementation, model adaptation, and API development. Requires 5+ years of software development experience, 1+ year building LLM applications, and expertise in Python, React, and TypeScript.

Staff Backend Engineer will design, lead, and implement complex projects, ensuring scalability and reliability. You will act as a technical leader, mentoring engineers and driving technical strategy. Requires 8+ years of experience, broad technological knowledge, and experience with AI coding agents and LLM integrations.

Data Architect needed for a debt collection client project. Design, evolve, and govern modern data platforms spanning cloud and on-premises environments. Strong Databricks, Delta Lake, and Apache Spark experience required. Solid understanding of Azure data services and modern cloud data architectures. Experience with data governance, data quality, and enterprise data standards. Excellent communication and mentoring skills.

Senior .NET Developer with 7+ years of experience in C# and .NET, specializing in API development and application modernization. Proven experience migrating applications from .NET Framework to .NET 8 and utilizing Gen AI tools like Copilot agents or Claude Code.

Technical Project Manager to support mission-critical initiatives within a large-scale cloud ecosystem. Deliver software development, testing, operations, and documentation outcomes in a fast-paced environment. Collaborate with distributed teams, manage migrations, and contribute to regression testing and automation.

Senior Frontend Developer will contribute to mission-critical initiatives within a large-scale cloud ecosystem. Responsibilities include delivering software development, testing, and documentation, supporting KTLO activities, and implementing feature enhancements. Requires 5+ years of backend experience, strong JavaScript/TypeScript and Angular (ng2) skills, and familiarity with cloud platforms and monorepo-based development systems.

Mid Frontend Developer will contribute to software development, testing, and operations within a large-scale cloud environment. Responsibilities include implementing feature enhancements, resolving issues, and collaborating with distributed teams. Requires 3+ years of backend experience, proficiency in JavaScript/TypeScript and Angular, and familiarity with cloud platforms and monorepo-based development.

Senior Linux Admin to support mission-critical initiatives in a large-scale cloud environment. Responsibilities include hands-on contributions to software development, testing, operations, and documentation. Requires 5+ years of backend experience, strong Linux administration skills, and familiarity with cloud platforms and monorepo workflows.

Lead the design, development, and evolution of Java-based backend systems for complex, enterprise-grade projects. Translate business requirements into scalable, secure technical solutions. Design backend and system architecture, including REST APIs and event-driven components. Perform code reviews, architecture reviews, and quality audits. Analyze system performance and scalability, proposing and implementing optimization strategies.

Design, develop, and maintain frontend applications using Angular for a new analytics platform serving institutional and individual clients.

Site Reliability Engineer to maintain and improve the reliability, scalability, and performance of a Java-based application. Responsibilities include application performance optimization, managing the Grafana stack, incident management, and collaborating with cross-functional teams.

The Technical Delivery & Operations Lead – Casino Engineering improves coordination, visibility, and execution effectiveness across Casino Engineering. This role facilitates delivery planning, roadmap maintenance, and stakeholder alignment, ensuring clear communication and risk mitigation.

Senior Atlassian Engineer needed for migration of Slack and Atlassian tools. Requires 4+ years experience, proficiency with JCMA and CCMA, and expertise in mapping complex workflows and custom fields.

Senior Java Engineer to design, develop, and maintain APIs and services for a global fashion retailer. Requires 5+ years software development experience, 4+ years Java development, Spring framework, microservices, and RESTful APIs. Experience with frontend technologies (React, Redux), databases, cloud platforms (AWS, Azure), and Agile methodologies is essential.

Senior React Developer to design, develop, and maintain high-quality web applications. Requires 3+ years of React experience, including state management and component-based architecture. Angular knowledge and TDD experience are a plus.

Senior Software Engineer to design, develop, and launch backend systems using React, Python, AWS, MySQL, and Kubernetes. Experience shipping web apps with declarative UI frameworks and defining technical plans for feature delivery. Requires 4+ years of experience and strong communication skills.