ruby English-speaking jobs in Lublin

Senior Network, Security & DR Engineer will automate F5 and Barracuda configurations, design and automate HA and DR solutions, deliver DNS, SSL, and traffic steering automation, and automate failover and failback procedures.

Transcribe dialogue from full-length films in FLAC format. Accuracy and attention to detail are essential. Fluency in one of the following languages is required: Catalan, Czech, Dutch, Hungarian, Italian, Polish, Russian, Thai, Turkish, Ukrainian, or Vietnamese.

Data Engineer needed to design, build, and optimize a scalable enterprise search engine. Requires 3+ years of experience as a Data Engineer, strong SQL and Python skills, and experience with Spark and Azure cloud services.

Freelance, remote project assessing online advertisements for relevance, language, and cultural appropriateness.

Clouds on Mars seeks a Power Platform Consultant to design and develop solutions using Power Apps, Power Automate, and Power BI. The role involves translating business needs into practical applications, automating workflows, and collaborating with stakeholders. Candidates should have 2+ years of experience creating Power Platform solutions, including Power Apps and Power Automate, and familiarity with the Microsoft 365 ecosystem.

Principal Game Designer for Hole.io, focused on hands-on gameplay design and quality. Design, prototype, and refine gameplay features, ensuring high standards of quality and innovation. Collaborate with engineers and level designers to implement and iterate on gameplay systems. 7+ years of experience in gameplay design for F2P mobile games required. Strong understanding of game feel, player control, and interaction design. Experience with Unity, A/B testing, and data-driven decision making. Excellent communication and collaboration skills.

Experienced MicroStrategy Specialist needed to support and evolve an existing on-premises BI platform. Requires strong hands-on MicroStrategy expertise, understanding of BI environments and data flows, and experience with SQL and data warehouses.

Dentons Business Services EMEA seeks interns for its 2026 program, starting June 1st. This program offers hands-on experience in finance, IT, HR, marketing, innovation, and other business functions. Interns will work on real projects, receive mentorship, and contribute to a collaborative work environment.

Senior .NET Developer will design and develop software solutions, collaborate with team members, and contribute to the successful delivery of projects.

Middleware Administration & Operations Engineer will manage, optimize, and secure enterprise middleware platforms. Responsibilities include platform lifecycle management, performance tuning, security enforcement, incident response, and technical leadership. Expert-level middleware administration, performance tuning, security, and scripting skills are required.

Experienced Dart Engineer needed to manage and enhance Dart-based plugins, ensuring compatibility with evolving Genkit SDKs and developer workflows.

Senior IaaS / Kubernetes Platform Engineer will design, implement, and operate a private cloud and multi-tenant Kubernetes platform. Responsibilities include Kubernetes platform engineering, storage engineering, networking, reliability and operations, and infrastructure as code and automation. Must have 5+ years in infrastructure/platform engineering roles with at least 3 years operating production Kubernetes clusters.

Senior Data Analyst to bridge business needs and developers, building a data platform. Experience with data analysis, SQL, Hive, and communication skills required.

Senior Fullstack Developer needed for freelance work. Expertise in Ruby on Rails and TypeScript required. Build dashboards, UIs, and documentation platforms. Emphasize developer experience and thrive in ambiguous environments. Deliver high-quality, well-tested code and meet deadlines. Monitor and own production issues.

Analyst will maintain client databases, analyze insurance documents, prepare reports, and participate in projects. Requires strong analytical skills, attention to detail, and proficiency in Excel. Must have excellent English (C1) and experience analyzing documents.

Senior Full Stack Engineer to design, build, and maintain a key internal operational platform using React/Next.js, Node.js, and NestJS. Collaborate with stakeholders to gather requirements and translate them into scalable solutions.

Senior Java Engineer will design and implement microservices, drive topic analysis and requirement discovery, and build event-driven integrations using Kafka, Avro, and the Transactional Outbox pattern. Responsibilities include writing automated tests, participating in code reviews, and working in a CI/CD environment. Must have strong experience with Java 21+, Spring Boot MVC, Kafka, PostgreSQL, and/or MongoDB. Familiarity with Hexagonal Architecture, OAuth2/JWT, Spring Security, OpenFGA, and AI coding tools (Claude Code) is required.

Partner with clients in the Resources sector to shape and deliver AI-enabled improvements. Assess business needs, define opportunities, build value cases, and support clients in scaling solutions. Combine industry knowledge with consulting methods and practical AI knowledge.

Senior Java Developer with 6+ years of experience specializing in Identity and Access Management (IAM). Expertise in Keycloak, OpenID Connect, OAuth 2.0, SAML 2.0, and modern security standards like Zero Trust and Passwordless authentication. Strong Java development skills, including RESTful API design and secure coding practices.

Senior AI DevOps Engineer will architect, deploy, and scale AI/ML/GenAI systems, focusing on LLM/SLM deployments in production environments on Azure. Requires 5+ years in DevOps/Cloud Engineering with proven experience in AI/ML/GenAI projects and strong Azure expertise.