ruby English-speaking jobs in Lublin

Embedded Linux / CODESYS Control Developer sought for industrial automation solutions. Develop, deploy, and integrate solutions based on Embedded Linux, ARM platforms, and CODESYS Control for Linux. Requires experience with CODESYS Control for Linux, Embedded Linux on ARM, industrial communication protocols (OPC UA, MQTT), and C/C++.

Develops and implements statistical models and machine learning algorithms to analyze complex datasets and generate actionable insights. Collects, cleanses, and organizes large-scale data from various sources. Communicates analytical findings to stakeholders in a clear and understandable manner. Supports the development of consistent, repeatable workflows for data preparation, model development, and reporting. Assists in transitioning analytical work from one-off analyses to scalable, reusable solutions. Builds lightweight applications and interactive tools that make model outputs and analytical capabilities accessible to non-technical business users. Works with business stakeholders to understand their needs and converts those requirements into functional, user-ready data products. Maintains and improves existing tools and applications based on user feedback and changing business needs. Documents models, data processes, and analytical approaches to support knowledge sharing, continuity, and ongoing improvement.

The Structured Finance Transactions Specialist performs agreed-upon procedures to support securitization transactions. Responsibilities include creating cash flow models, analyzing structured deals, reviewing offering documents, and performing loan document reviews. The role requires proficiency in Excel and strong analytical skills.

Senior Software QA Engineer will develop and execute test strategies for AI-enabled features in Fusion, a cloud platform for CAD, CAM, CAE, and PCB. Responsibilities include automation framework design, performance and resiliency testing, and collaboration with developers and product teams. Requires 6+ years of QA or software development experience, strong troubleshooting skills, and familiarity with automation frameworks and scripting languages.

Design, develop, and deploy AI solutions across the full AI lifecycle. Integrate and extend cloud-native AI services (Azure, AWS, GCP). Train, fine-tune, and optimize machine learning models. Automate deployment, monitoring, and lifecycle management of AI models and services.

ECAD/PCB Design Engineer (Junior-Senior) needed for automotive electronics development project focused on ECUs, 48V systems, and high-voltage power electronics. Design PCB layouts using ECAD tools (Mentor Xpedition preferred) and collaborate with cross-functional teams.

Speedy.io seeks a commercially minded Chief Legal Officer to join the Executive Board. The CLO will lead the legal function, advise on strategic and commercial matters, and ensure compliance with Polish and EU financial services regulations.

Data Engineer will design, develop, and optimize data models, build and maintain databases, and create ETL/ELT processes. Responsibilities include cleaning, transforming, and processing data, automating processes, and working with analytics and business teams. Requires a higher education in a related field, experience in data engineering for AI/ML solutions, and knowledge of Python, SQL, Linux, and Git.

Lead Java Developer to design and deliver component-based services using technologies like JMS, ORM, Spring, WebServices, REST, and integrations across TCP/IP networking.

Experienced Business Development Manager needed to ensure global game availability. Own opportunities, negotiations, and tech collaborations, focusing on new revenue channels and partnerships. Requires 5+ years in relevant roles.

Senior Frontend Engineer needed to build and maintain a React/TypeScript frontend at scale. Own complex UI components, integrate third-party tools, and maintain high performance standards. Requires 5+ years of experience.

Senior Fullstack IoT Engineer to design and evolve cloud-native platforms. Responsibilities include developing backend services, designing REST APIs, operating AWS IoT architectures, and building data processing workflows. Requires expertise in TypeScript, Node.js, NestJS, AWS services, and infrastructure as code.

Lead the acquisition and management of a high-potential, family-owned SME in Poland facing a succession challenge. As CEO, you will work closely with AIA to identify, assess, and acquire a target company, then lead its operations and execute a value-driven growth plan.

Develop and maintain market risk reports using Power BI and SQL. Enhance automation of reporting tasks and collaborate with IT and Market Risk teams.

Solution Architect for Data Modelling designs and governs enterprise-level data models across an analytics platform. This role involves designing logical data models, establishing standards, collaborating with stakeholders, and overseeing implementation in tools like Databricks.

Senior C++ Developer to support backend development of a high-availability order-capture system. Develop and maintain C++ components in POSIX environments, implement features for order entry, validation, and STP processing, and collaborate with teams integrating the system with various channels. Requires strong C++ development experience, banking/finance project experience, Unix/Linux experience, and experience with interfacing technologies.

Software Engineer with 3+ years of experience in .NET development, C#, ASP.NET Core, and PostgreSQL. Design, develop, and maintain internal business applications, APIs, and user interfaces. Collaborate with international teams to improve internal platforms and automate workflows.

Senior Financial Analyst supporting global Opex and Capex planning and reporting. Requires 5+ years in Controlling/FP&A, strong SAP experience, and fluency in German and English.

Senior Systems Engineer Virtualization Specialist to lead a large hypervisor refresh project in a global, multi-datacenter environment. Responsibilities include architecture, design, and engineering of virtualization solutions, including private cloud, Kubernetes, and automation. Requires 5+ years of experience with enterprise virtualization technologies (Nutanix, VMware, Hyper-V) and a strong understanding of storage, SAN, and HCI deployments.

Expert/Lead React Developer to build a centralized mid- and back-office platform using React, TypeScript, HTML5, and CSS. Requires 6-7+ years in frontend development and experience leading a small team.