99 English-speaking jobs in Częstochowa

Middle Workflow Automation Engineer to design, build, and maintain scalable make.com workflows. Responsibilities include integrating third-party tools via APIs and handling data transformation. Requires experience with REST APIs, JSON, and cloud solutions.

Senior Data Analyst role focusing on social media trend signals. Own the technical approach for extracting, analyzing, and scoring signals using Python, SQL, and dbt. Evaluate new data sources and define analytical metrics. Requires 5+ years of experience.

Own end-to-end data generation for GPU/ML infrastructure, porting test procedures to new hardware. Build and maintain benchmark workloads, ensuring telemetry quality and consistency across diverse GPU platforms.

Develop and maintain a Python validation framework for testing low-level SDK APIs on diverse router platforms. Leverage LLMs to rapidly generate and refactor test scripts, requiring Python and networking hardware intuition.

As an Infrastructure Architect, you will design and implement cloud, on-premise, and hybrid architectural solutions for customers. You will create prototypes, analyze requirements, and propose solutions while collaborating with internal teams and customers. Proficiency in at least 3 of the following is required: public cloud (Azure, AWS, or GCP), Windows or Linux, network solutions, virtualization platforms, VDI, Microsoft Entra ID, Microsoft 365, and advisory management of client investments. Fluency in English is mandatory.

Lead APT & Automated Validation Engineer designs and scripts autonomous exploit chains for continuous security validation. Requires 5+ years in offensive security, Python expertise, and experience with automated validation tools.

System Analyst for an international banking project in Cards & Payments. Focus on authorization, clearing, settlement, and reconciliation for debit/credit cards. Requires experience with ISO 8583, APIs, and system integration.

Designs, operates, and maintains enterprise-class virtualization platforms based on VMware and Nutanix technologies. Ensures high availability, performance, security, and resilience of Wintel and Windows-based virtual environments. Provides expert-level support during major incidents and contributes to post-incident reviews.

Lead full-stack development using Java and React. Guide engineers, champion engineering excellence, and own the entire development cycle, including architecture and DevOps. Requires 6+ years in Java/Spring and 2+ years in React.

Senior UX Researcher drives user-centered research to shape product strategy. Leads end-to-end qualitative and quantitative studies, analyzing findings into actionable insights for cross-functional teams. Requires 6+ years of mixed-methods UX research experience.

Oracle Database Engineer specializing in OCI/Exadata. Responsibilities include administration, monitoring, and support for Oracle Databases (19c, 26ai) on ExaCS. Manage HA/DR using RAC and Data Guard, and optimize performance via AWR/ASH.

Product Owner role requires clinical depth in oncology care delivery. You will translate clinician needs into a prioritized backlog, working in SAFe, and ensuring requirements reflect real-world clinical workflows.

Senior Node.js Developer builds production-ready, AI-powered features. Responsibilities include designing scalable backend services, integrating LLMs, and developing Python components for AI/ML workflows. Requires strong Node.js and AI/ML commercial experience.

DevOps/SRE Engineer to own platform reliability and scalability using AWS, Kubernetes, and CI/CD. Responsibilities include infrastructure design, GitOps, observability, and enabling developers. Requires Python/Go/Java/Node.js skills.

Lead Data Engineer drives Databricks platform evolution, migrating workloads to Spark Declarative Pipelines. Requires deep knowledge of Databricks, Spark, Python, and SQL, applying software engineering principles.

Lead Python Backend Engineer needed to work on cutting-edge, decentralized systems. Requires 5+ years of programming experience, including 1+ year with Python, and 2+ years of team management.

Senior Applied AI Scientist develops AI solutions for vehicle inventory discoverability and content generation. Requires 5+ years in Data Science/Applied AI, strong NLP/LLM experience, and production ML deployment skills.

Run infrastructure projects end-to-end, from intake to closure, deploying and changing Gcore infrastructure. Requires 2+ years in infrastructure/data center PM, understanding of server/network hardware, and Jira proficiency.

Senior Fullstack Java Developer/Tech Lead for a Polish tech company. Responsibilities include leading technical development, designing architecture, and hands-on Java/Spring coding on complex enterprise systems. Requires Java/Spring experience and technical leadership.

Backend Software Developer/Senior role involving owning quarterly goals and leading engineers. Requires 4+ years experience designing and developing backend systems at scale using Python, Kotlin, AWS, MySQL, and Kubernetes.