react English-speaking jobs in Legnica

Principal Embedded Engineer to design, develop, and modernize a health monitoring product based on an ARM Cortex MCU. Responsibilities include architecting firmware, optimizing data acquisition and BLE communication, and ensuring reliability in a medically regulated environment.

As a Product Owner on the Lottery Product Management Team, you will collaborate with stakeholders to align product roadmaps with strategic goals. You will manage product requirements, develop user stories, and coordinate across the product lifecycle. This role requires experience in a similar role, technical expertise, and strong communication and management skills.

The General Ledger Accountant will manage the accuracy of the General Ledger, complete month-end financial close procedures, and prepare statutory reports. The role involves corporate income tax calculations, internal reporting, reconciliations, and VAT reporting.

Provides strategic and operational support to either the CEO or COO. Manages executive calendars, translates strategy into action plans, and leads cross-functional projects. Requires fluency in English and Spanish.

This hybrid role combines penetration testing and intake management. Responsibilities include leading and executing penetration tests, coordinating intake and scheduling, and managing the testing queue. The role requires 2+ years of security testing experience, the ability to automate tasks, and experience exploiting weaknesses in various domains.

Acts as a trusted advisor to clients, managing relationships, identifying solutions, and maximizing project profitability. Manages and develops a delivery team, ensuring high performance and professional growth. Oversees project execution, ensuring resource efficiency, client satisfaction, and profitability. Requires experience in delivery, business, or account management, strong communication and leadership skills, and fluency in English and Polish.

Develop Java/Spring applications and microservices in an agile team. Collaborate with developers, QA testers, and other stakeholders. Proficient in Java (ver. 1.8+), Spring (ver. 5), Spring Boot (2.4-2.6), Oracle DB/SQL, Apache Kafka, and English.

Senior Security Engineer designs, implements, and scales security solutions for Snowflake's products. Collaborates with engineering teams to embed security into design, development, and delivery workflows. Requires 6+ years of experience in security or software engineering and expertise in areas like AppSec, threat modeling, or secure architecture.

Project Manager to support Quality initiatives focused on Supply Chain and Logistics across international markets. Will contribute to project roadmaps, ensure project governance, and guide project execution. Requires proven project management experience, background in Operations, Quality, Logistics, or Supply Chain, and strong stakeholder management skills. Fluent English required.

Senior Rust Blockchain Developer to lead low-level node development for a gaming-centric platform. Responsibilities include implementing blockchain protocols, optimizing performance, and ensuring sub-second transaction finality. Requires 5+ years of Rust experience and strong understanding of distributed systems.

Sterlington PLLC seeks a Head of Technology to oversee IT infrastructure, streamline operations, and define the future structure of the IT department. The role requires strong technical expertise, adaptability, and stakeholder management skills.

Senior Product Care Engineer develops and maintains technical documentation, including BOMs, user manuals, and graphics. Leads cost optimization and quality improvement projects, collaborating with cross-functional teams. Requires 5+ years of experience in technical documentation, product development, and cost/quality improvement within the home appliance industry. Fluent in Italian and English.

Lead a team of inside sales professionals toward revenue goals. Inspire a collaborative culture and develop team members. Proven track record in inside sales and fluency in English and German required.

Senior Network Engineer with 5-10 years of Citrix NetScaler experience needed for micro-segmentation project. Responsibilities include splitting shared subnet IPs, maintaining LB and backend server communication, and collaborating with the CSIRT team.

Security Engineer to join a Computer Security Incident Response Team. Responsibilities include handling security incidents, conducting investigations, implementing data leak prevention, and supporting vulnerability management. Requires 3+ years of experience in incident handling, CTI analysis, or digital forensics.

Senior Frontend Engineer will define technical architecture and engineering standards for landing pages, checkout experiences, and funnel steps built with React and TypeScript. This role involves cross-functional coordination, system evolution, and full-stack contribution across a broad technical landscape.

Analyze partner traffic, user behavior, and campaign performance. Build and automate reports in Tableau, SQL, and Google Sheets. Validate, clean, and prepare data for analysis. Translate data into actionable recommendations for stakeholders.

Senior Android Application Engineer to develop custom platform services, applications, and device management features on a customized Android system. Expertise in Kotlin, Android SDK APIs, and AOSP framework required.

Senior Security Engineers design, implement, and manage detection systems and controls to identify and mitigate suspicious activity. Collaborate with teams to develop security strategies and support product and security teams on projects. Requires 4+ years of security or software engineering experience with cloud or infrastructure security expertise.

iOS Developer will architect, develop, and maintain native iOS applications. Requires 3+ years of experience with mobile development in iOS, production experience with Swift (RAC/RxSwift), and knowledge of mobile architectures and design patterns.