Strength. Care. Growth A1 Competence Delivery Center is a vital component of A1’s telecommunications business. Acting as an expertise hub, CDC is dedicated to delivering a full range of high-quality IT, network, financial and other services to support A1’s operations across all OpCos, independent of location. Using the power of being OneGroup and leveraging synergies, CDC enables transparency of resources, key skills and knowledge expansion and personal career growth opportunities’ enhancement, paired with job stability. You will know we are the right place for you, if you are driven by: Opportunities to learn and build your career. Meaningful work in a stable and fast-paced company. Diversity of people, projects, and platforms. A supportive, fun, and inspiring place to work. Role Overview: Experienced Integration Developer specializing in TIBCO technologies, responsible for designing, developing, and supporting enterprise integration solutions within an international agile environment. Role insights: Design and Development of TIBCO Interfaces: Implement TIBCO-based interfaces for seamless system integration. Planning and Implementation of Releases: Manage monthly corporate releases and scope. Unit and Regression Testing: Develop and automate unit and regression tests for TIBCO solutions. Service Version Updates for ESB: Manage CMS and ESB-DP updates. Automation of Monitoring: Automate ESB infrastructure and business process monitoring. Incident Analysis Support: Assist in resolving incidents and handling failed flow reporting in TFM. Cross-functional Team Collaboration: Work with an international, agile team. Documentation: Create and maintain appropriate documentation. On-Call Support: Provide on-call support for EAI/ESB issues. What makes you unique: Degree in Computer Science, Information Systems, or related field, or equivalent practical experience; 4+ years of experience in software development and system integration projects; Hands-on experience with TIBCO technologies (BusinessWorks/BWCE, EMS, File Adapters) in enterprise environments; Strong Java development skills and experience designing REST and SOAP web services; Experience with Oracle, SQL Server, or MongoDB; Understanding of integration architectures, messaging concepts, and process automation; Experience with requirements analysis and technical specifications is a plus; Strong analytical and problem-solving skills; Familiarity with SDLC and Agile methodologies; Fluent English (B2/C1); additional A1 Group language is a plus. Our gratitude for the job done will be eternal, but we’ll also offer you: Innovative technologies and platforms to “play” with. Modern working environment for your comfort. Friendly, ambitious, and motivated teammates to support each other. Thousands of online and in-person learning opportunities for you to grow. Challenging assignments and career development opportunities in multinational environment. Attractive compensation package. Flexible working schedule and opportunity for home office. Numerous additional benefits, including, but not limited to free A1 services. If you have any questions, please do not hesitate to contact Gabriela Rudarska. We are a reliable partner in digitization in 7 countries and offer our business and private customers smart IT services and digital communication solutions. With the best network technology, we connect people worldwide and are always on the lookout for innovations and energy-efficient technologies that benefit our team, customers, society and the environment. Whether you are an IT or Security expert, sales talent, data genius or communication virtuoso - we have the right job for you. Make it happen. Apply now!

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