655 English-speaking jobs in Łódź

Lead Linux System Administrator for large-scale GPU infrastructure. Manage Linux server lifecycle, NVIDIA GPU software stack, and team of administrators. Requires 7+ years Linux administration experience, 3+ years in a lead role, and expertise in Ansible, Terraform, and scripting.

Site Operations Manager will lead day-to-day operations of a high-density data center supporting GPU infrastructure. Responsibilities include managing on-site teams, ensuring operational continuity, and overseeing critical facility infrastructure. Requires 8 years of experience in data center operations, at least 4 years in a people management role, and strong technical knowledge of data center infrastructure.

Node.js and TypeScript backend engineer to build and maintain backend services and design SQL databases. Collaborate with frontend developers and participate in code reviews.

Senior Software Engineer will implement and maintain reliability solutions, focusing on automation, operational excellence, and collaboration with engineering teams to ensure system availability and efficiency.

Senior Backend Engineer (Java / Architecture) needed for a long-term freelance project. Refactor and modernize legacy backend systems, improve microservices, and maintain REST and SOAP interfaces. Must have strong Java (Spring / Spring Boot) and architectural skills, experience with Kubernetes, and excellent communication skills.

Senior Golang Developer needed for fully remote, contract position. Develop and maintain backend services using Go (Golang) in a modern product environment. Collaborate with product managers and designers to build features and ensure code quality.

Senior TypeScript Engineer to develop and maintain Ledger Live (mobile and desktop) and the Device SDK. Responsibilities include contributing to open-source projects, supporting modularization efforts, and collaborating with cross-functional teams. Requires 5+ years of software development experience, including a Tech Lead role, strong JavaScript and TypeScript skills, and professional fluency in English.

Senior TypeScript Engineer to enhance blockchain integration for Ledger Live. Develop and evolve integrations across web and mobile platforms, utilizing JavaScript, TypeScript, and modern development practices. Collaborate with cross-functional teams to deliver secure and seamless user experiences.

Team Leader (Java) will guide a development team, manage developers, and ensure high-quality software development. Responsibilities include technical mentoring, backlog analysis, feature delivery, code review, and troubleshooting. Requires proven experience in a Team Leader or Engineering Manager role, strong Java knowledge, and experience with Kubernetes/Docker, Spring Boot, and Git.

Senior Typescript Engineer will develop and maintain Ledger Live, a blockchain asset management application. Responsibilities include building UI flows, collaborating with developers and hardware engineers, and ensuring a reliable and user-friendly experience across web and mobile platforms.

Fullstack Developer with 3+ years of experience in TypeScript, Node.js, and React. Expertise in backend development, RESTful APIs, and microservice architecture. Experience with cloud solutions (AWS), databases (PostgreSQL, MongoDB), and automated testing. Strong communication and collaboration skills.

Systems Integrations Specialist designs REST APIs and data models, ensuring quality adherence in API design and data governance.

Senior Policy Engineer to modernize a Customer Due Diligence (CDD) platform for KYC compliance. Requires Python programming, REST API experience, and strong collaboration skills.

Subject Matter Expert for Citrix-based cloud VDI environment, focusing on Citrix DaaS on Azure. Operational ownership of the platform, including architecture governance and operating model.

Provides data analysis and reporting support to leadership and stakeholders. Requires proficiency in Excel, data modeling, and strong communication skills.

Lead and design a globally distributed AI inference platform with OpenAI-compatible endpoints. Architect and design the core infrastructure of Akamai Inference Cloud, ensuring it is performant, compliant, economical, and explainable. Provide thought leadership on AI inference optimization, model serving architectures, and establishing technical standards for the platform.

Lead Python Backend Engineer needed for a fully remote team. Requires at least 5 years of programming experience, including Python, and at least 2 years of team management experience. Responsibilities include leading and guiding a team, project management, client communication, and strategic thinking. Must be able to solve complex technical challenges and contribute to the company's long-term technical vision.

Senior Python Backend Engineer needed for a fully remote team. Must have at least 5 years of programming experience, including at least a year with Python. Work on a trustless supercluster of performance-proofed GPU-enabled sandboxed docker container runners controlled by truly decentralized algorithms.

Senior Data Science Engineer will design, build, and deploy machine learning models, focusing on graph algorithms and Graph Neural Networks. Responsibilities include data analysis, supply chain optimization, translating business problems into data science projects, and collaborating with various teams. Requires 7 years of experience in a data science role, Python development, and machine learning frameworks. Expertise in graph databases and GNNs, particularly in supply chain, is a plus.

Operations Engineer needed for data ingestion onto Hadoop using ARC Ingestion Framework. Requires experience in agile environments, Linux, SQL, Git, and various applications and configurations. Responsibilities include preparing and testing configurations for ingesting sources and maintaining existing production sources.