7248 kraków English-speaking jobs in Poland

The role is hybrid with visits to Kraków office.

Senior Python Developer / Quant Engineer needed for a high-impact energy trading project. Develop and lead the design of scalable backend systems using FastAPI, collaborate with quant developers, and build data engineering pipelines with Spark and PySpark. Experience with Azure services, CI/CD, and financial concepts is required.

Senior Front-End Engineer will architect and implement micro-frontend App Shell architecture, migrate features from legacy .NET systems, and implement front-end standards. Responsibilities include component development, modernizing and migrating legacy applications, defining integration strategies, driving engineering excellence, and ensuring quality and standards.

LoopMe seeks an InfoSec Mid-Level Specialist to enhance security posture and ensure confidentiality, integrity, and availability of systems and data. The ideal candidate will have experience in information security, cloud environments (GCP), and securing modern data processing technologies (Kubernetes, PostgreSQL, ClickHouse, Envoy, Kafka). Responsibilities include developing security policies, performing risk assessments, monitoring security incidents, and integrating DevSecOps practices.

Senior Software Engineer to design, implement, and maintain features for Fusion 360. Responsibilities include writing technical design documents, participating in code reviews, and mentoring team members. Requires 6+ years of experience building commercial applications, strong C++, and experience with Microsoft Visual Studio and Xcode.

Supports HID's success by analyzing customer issues, developing test strategies, and constructing physical test harnesses. Possesses knowledge of QA methodologies, software development lifecycle, testing frameworks, and test automation processes. Fluent in C or C# and familiar with scripting languages or other scripting tools. Requires an Engineering degree or equivalent and a minimum of 8+ years of related experience. Proficient in MS Office applications and familiar with operating environments such as Windows, Linux, and VMWare. Experience with IDE's and source code management tools is required.

Backend software engineer to join the exchange team, building a mobile advertising platform. Responsibilities include design, implementation, and testing of exchange functionality, transitioning from Scala to Java, and troubleshooting issues. Requires 6+ years of software engineering experience, 2+ years of Scala programming, and experience with microservices and high-traffic systems.

Senior Backend Engineer with 8+ years of Java experience (Spring Boot, REST/gRPC, reactive patterns) and Kubernetes (AWS EKS) expertise. Requires deep knowledge of relational databases (PostgreSQL) and caching layers (Redis), distributed systems, and microservices. Bachelor's degree in Computer Science, Engineering, or equivalent experience. Strong English communication skills.

Supports HID's success by analyzing customer issues, developing test strategies, and constructing physical test harnesses. Participates in engineering best practices and possesses knowledge of QA methodologies, software development lifecycle, testing frameworks, and test automation processes. Requires an Engineering degree or equivalent and a minimum of 8+ years of related experience. Proficient in C or C# and familiar with operating environments such as Windows, Linux, and VMWare. Experience with IDE's and source code management tools is also required.

Senior Python Developer to architect and implement large-scale, distributed systems. Responsibilities include designing data processing pipelines, collaborating with teams, and ensuring system scalability and reliability. Requires 7+ years of experience developing scalable solutions using Python, expertise in distributed systems and API design, and experience with vector databases.

Senior Security Analyst leads complex investigations, mentors junior analysts, and drives continuous improvement of detection and response capabilities. Requires 3+ years of cybersecurity operations experience, advanced SIEM knowledge, and expertise in log analysis.

Middle Python Developer to build backend services using Python and Django in a distributed environment. Requires 3+ years of experience with Django, asynchronous Python, and message brokers. Must be able to work full working hours aligned with Central European Time (CET ±2 hours).

Expert Android Framework Engineer will customize and optimize the Android Open Source Project (AOSP) to build robust, high-performance video collaboration devices. Responsibilities include designing, developing, and integrating custom Android framework components, services, and APIs. The role requires 7+ years of proven experience in Android framework development and deep customization within AOSP, expert-level proficiency in Kotlin, Java, C, and C++, and a profound understanding of Android system architecture.

Develop and execute sales strategies to achieve revenue targets for ETRM solutions. Identify market opportunities, engage potential clients, and present tailored solutions. Collaborate with technical teams and marketing to ensure successful implementation and alignment with company goals. Conduct market research, prepare sales presentations, negotiate contracts, and provide feedback to product development teams.

Design, build, and evolve data solutions across analytics, data modeling, and data engineering. Develop Power BI data products, engineer scalable transformations using Databricks/Spark, and build data platforms on Azure.

Senior FullStack Engineer to develop fast, high-traffic websites for a European online car market. Experience with AI tooling (ChatGPT/Codex), backend (Typescript, Node.js, C#), frontend (HTML, CSS, JavaScript), and cloud infrastructures (AWS, Terraform, Docker) required.

Develop and customize IntelliMatch systems to meet client requirements. Configure system components and provide ongoing support, including maintenance, issue resolution, and performance improvements. Analyze requirements and implement solutions to simplify and automate processes.

Lead the end-to-end architecture modernization of a health monitoring product based on an ARM Cortex MCU. Improve embedded architecture, ensure reliability in medically regulated environments, and guide firmware development practices.

Senior DevOps Engineer will design and scale high-performance Azure environments to support low-latency voice and AI workloads. Responsibilities include network optimization, implementing observability for real-time traffic, and managing multi-region failover. Requires 7-10 years of experience in DevOps or Cloud Engineering, deep expertise in UDP, RTP, and WebRTC protocols, and proficiency in Terraform, Kubernetes, and CI/CD pipelines.

React Developer (JavaScript) will create front-end for games using TypeScript/React, add features, and ensure functionality and performance. Requires 2+ years of professional TypeScript experience and 2+ years of React (v18+) experience. Solid experience with state management tools (Redux, Zustand, React Query) and CI/CD pipelines is needed.