We are seeking aBusiness Support Engineer/Software Support Engineerto join a global technology company's Business Messaging team in Dublin. This role combines advancedtechnical supportwithsoftware engineering problem-solving skills, focusing on enterprise partners using large-scale messaging APIs.The role:9-month contract with possibility of extension.Hybrid working model (3 days on-site, 2 days remote).Key ResponsibilitiesProvide Tier 3 technical support to enterprise partners and software providers using the Business Messaging API.Troubleshoot complex integrations, API issues, and enterprise-level systems.Debug code and implement solutions in your preferred language (Python, Java, or C++).Analyze and resolve problems with a strong focus on data structures, algorithms, and logical reasoning .Collaborate with cross-functional product and engineering teams to deliver high-quality resolutions.Handle low-volume, high-complexity cases with accuracy and efficiency.Participate in process improvements and contribute to knowledge-base documentation.Required Skills & ExperienceDegree in Computer Science, Engineering, or related field (or equivalent practical experience).Experience in technical support, application support, or production engineering .Hands-on experience supporting business messaging platforms ( e.g., WhatsApp Business API, Twilio, MessageBird, 360Dialog, or similar), including troubleshooting API integrations for enterprise clients.Proven ability to debug and implement code in Python, Java, or C++.Solid knowledge of data structures, algorithms, and problem-solving techniques .Hands-on experience with APIs, SaaS applications, and enterprise systems .Strong communication skills to work effectively with global teams and external partners.Nice to HaveExperience in enterprise integrations and SaaS environments.Background in fast-paced tech or consulting companies .Familiarity with troubleshooting platforms such as Postman, Splunk, Autosys, Jira/Confluence .