sales English-speaking jobs in Mielec

Product Analyst needed to provide data analysis, recommendations, and A/B test implementations. Collaborate with product owners, developers, and UX teams. Requires 3+ years (Regular) or 5+ years (Senior) experience, advanced SQL skills, and A/B testing experience.

Senior Performance Engineer needed for a financial project focused on Java/WebLogic applications. Responsibilities include performance testing, optimization, and monitoring. Requires experience with JMeter, AppDynamics, and WebLogic application optimization.

Senior Software Engineer needed for backend development using C#/.NET, building RESTful APIs and microservices. Experience with databases (MySQL, MongoDB, CosmosDB), cloud services (Azure, GCP), and containerization (Docker, Kubernetes) is required. Strong problem-solving and communication skills are essential.

Software Developer specializing in LLMs, NLP, and AI. Contribute to the development of platforms for cutting-edge AI projects integrated into the Snowflake platform.

Project engineer to implement ground segment systems for clients in Poland. Responsibilities include deploying control center software, preparing deliverables, and installation at GMV and client sites. Seeking a system engineer with interest in the Space sector and basic programming knowledge (C++, Java, Python).

Senior Manager responsible for RCI and CAPA. GSK is a global biopharma company focused on preventing and treating diseases through innovation in specialty medicines and vaccines.

Implement and customize Salesforce solutions for insurers and banks. Configure, integrate, and customize Salesforce software to meet client needs. Create, design, and implement state-of-the-art solutions. Work directly with clients as an active member of an agile project team.

The Sales Specialist will sell medical products, conduct cold calls, provide customer service, and maintain client relationships. Fluency in Dutch and English is required, along with previous sales experience.

Experienced Technical Leader sought for AI Division. Lead a team of ML engineers, shape AI strategy, and deliver innovative projects. Requires 10+ years software engineering/research experience, 7+ years in Machine Learning, and expertise in Computer Vision or Agentic AI.

Fullstack developer to build core digital infrastructure for a leading German health-tech platform. Experience with TypeScript, Node.js, React, GCP, Firebase, SQL, and NoSQL required. Contribute to both backend and frontend development with a focus on backend logic and data modeling.

Senior QA Engineer will lead complex projects, elevate engineering quality, and shape testing strategy. Responsibilities include driving high-impact outcomes, mentoring, and communicating risks and insights to stakeholders. Requires strong knowledge of testing theory, Agile methodologies, and experience with backend, full-stack, and native app testing.

Senior Data / Solution Architect to design and implement enterprise data architectures across cloud platforms. Experience required in data modeling, data pipelines, AI enablement, and cloud technologies (Azure, AWS, or GCP).

Senior Android Developer to design, develop, and maintain Android applications using Kotlin and Java. Collaborate with teams to deliver new features and ensure high code quality. Requires 5+ years of experience, proficiency in Kotlin, and knowledge of Android SDK, Jetpack libraries, and MVVM architecture.

Senior Security and Network Specialist will maintain, secure, and improve internal firewall infrastructure (Fortinet FortiGate) and enterprise network (HPE/Aruba switching). Requires 5+ years of hands-on experience in firewall administration (preferably Fortinet FortiGate) and strong practical knowledge in network infrastructure management, especially with HPE and Aruba switches/Wifi.

Senior Software Engineer will design, build, and maintain scalable backend API services using Java-based technologies. Responsibilities include requirements gathering, API development, GenAI-assisted development, quality assurance, and continuous improvement.

Leads enterprise end-user device architecture, defining standards and roadmaps for various device types. Designs Intune policies, manages endpoint security, and ensures secure, scalable, and cost-effective solutions.

Leads the Android Development team at Mudita, a tech company focused on healthier technology. Manages the development and maintenance of MuditaOS K and builds new Android-based applications. Responsible for team management, software delivery, and collaborating with stakeholders.

Rebuild and own First Connect's comparative rater, integrating it into the new SaaS offering. You will design flows, own integrations, and work with engineering, design, business, and carrier teams to prioritize, build, and monitor the product suite.

Senior Data Engineer will design and implement data platform systems for a US-based private equity and investment management fund. Responsibilities include developing PoCs, delivering production-grade applications, and creating solutions for data scientists and business analysts.

Network Security Engineer (f/m/d) will ensure the security posture of network infrastructure. Responsibilities include security architecture review, firewall and IPS/IDS management, network segmentation, VPN and remote access security, and policy development. Requires 5+ years of experience in network security engineering with expertise in enterprise security solutions.