ruby English-speaking jobs in Bielsko-Biała

Senior Ruby on Rails Developer will implement new functionalities, solve programming challenges, and conduct code reviews. Requires 6+ years of Ruby on Rails experience, familiarity with Active Record and RSpec, and experience with AWS or Heroku. Must have experience with RDBMS like PostgreSQL, writing tests, and building server-side applications using the MVC pattern. React experience and understanding of distributed systems are also required.

DevOps Engineer needed to join an interdisciplinary team building user-centered apps. Requires 3+ years of experience, knowledge of DevOps security practices and tools, container orchestration (Kubernetes), GitLab CI/CD, Terraform, ArgoCD, GitOps, PostgreSQL, monitoring and logging tools (Prometheus, Loki, Grafana), and infrastructure management tools (Ansible). Experience with NGINX ingress controller, Cloudflare, and proficiency in English and Polish are also required. Familiarity with Go, Python, JavaScript, Java, PHP, or Ruby is a plus.

Full-time Company Description At AGS, we believe in creating real, measurable impact that moves needles. We help companies worldwide transform their people into a competitive advantage, designing workforces to meet missions and unleash the power of human enterprise. With a global presence and diverse workforce, we're committed to being a transformative partner in shaping the future of work.

Versatile engineer to build financial services, 70% backend Java EE, 30% frontend Vue.js and JavaScript/TypeScript.

Provides first- and second-level IT support for end users, including Windows solutions, Microsoft Cloud, and company-specific applications. Manages IT equipment, documentation, and knowledge base. Requires a computer science or IT qualification and several years of experience in IT support. Fluent English required, German preferred.

Lead Backend Engineer to drive delivery of key projects through analysis, Agile design, and technical insight. Experience in Java 8/11/17, microservices architecture, and test automation frameworks required.

Lead and shape client data strategies, designing and developing modern, scalable data ecosystems in Google Cloud. Define best practices for data architecture, modeling, and engineering in GCP (BigQuery, Airflow, Dataflow, Pub/Sub, Composer, Dataproc). Design and build data platforms, focusing on metadata and AI enablement. Drive architectural governance, ensuring solutions are scalable, secure, and cost-optimized. Proactively identify opportunities for innovation and modernization across client data platforms. Ensure high standards of data quality, security, and governance.

DevOps Engineer to design, deliver, and automate dynamic test environments at scale. Drive deployment automation and GitOps practices. Embed security-by-design across the SDLC. Requires 5+ years of experience as a DevOps Engineer or SRE in web-based systems with hands-on Kubernetes experience and CI/CD expertise with GitLab CI. Fluent English required.

Senior Business-System Analyst will transform business needs into User Stories, collaborate with Scrum teams, and ensure high-quality solution delivery. The role involves gathering and refining requirements, conducting workshops, and serving as a liaison between business stakeholders and development teams. Strong analytical skills, communication skills (Polish and English C1), and experience with SQL, Azure DevOps, and BPMN are required.

Customer Service Specialist page is loaded## Customer Service Specialistlocations: Warsaw, Polandtime type: Full timeposted on: Posted Todayjob requisition id: REQ-1000046095**Job Title: Customer Service Specialist****Location: Warsaw,** Poland**Work Arrangement:** hybrid, 3 days in Warsaw office, 2 days remote**Employment:** Fix Term Contract (12-months)**Come build your career.

Senior Scrum Master to support a German client in the construction and logistics sector. Experience with S/4HANA transformations and agile delivery in SAP environments required. Tailoring Scrum and other agile frameworks to organizational needs is essential. Strong communication and collaboration skills are needed for working with distributed international teams.

Web Portal Developer needed for a global gaming and lotteries platform. Design, develop, and test reusable UI components using React, TypeScript, and Next.js. Manage state with Zustand and integrate APIs with Axios.

This role focuses on business development and project delivery for EU space and digital clients. Responsibilities include leading account growth, managing projects, building client relationships, and driving innovation. The ideal candidate has a minimum of 7 years of experience in business development, account management, consulting, or public-sector advisory, with at least 3 years in the space or defense sector. Experience with EU Space Programme components and project management is required.

Software Senior Engineer will develop core software primarily using C/C++ and Python, prepare and review software and storage requirements, and utilize established software lifecycle methodologies.

Lead the Android Development team at Mudita, a tech company focused on healthier technology. Manage an internal team and external suppliers, delivering quality software on time and within budget. Design, implement software, plan team work, and improve team competence.

Leads the strategic direction of the company's data-centric security program. Manages and mentors a team of security professionals. Defines, evolves, and executes the company's data classification and data protection strategy. Oversees implementation and continuous improvement of Data Security Posture Management (DSPM) capabilities.

Senior Process Excellence O2C Specialist analyzes and redesigns O2C processes, focusing on Accounts Receivable, to improve efficiency, quality, and controls. Identifies automation and AI use cases, leads change execution, and communicates progress to stakeholders. Requires 3+ years O2C experience in international SSC or GBS environments, strong English proficiency, and proven process improvement and project management skills.

Experienced Mainframe Expert needed to support strategic transformation initiatives in financial services. Analyze and optimize critical mainframe systems, contributing to modernization and evolution strategies.

Telecoms Engineer to join Navigation project team, focusing on advanced signal processing. Contribute to development and testing of cutting-edge navigation and communication systems. Requires practical skills in Digital Signal Processing (DSP) and FPGA development.

Senior AI / Generative AI Engineer to build and operate production-grade LLM-based systems. Focus on applied Generative AI: internal AI automation, chatbots, AI assistants, and MCP-based services.