Hiring: Software Engineer, Test & Infrastructure II (Bilingual Spanish) Company: Vail Systems Location: Greater Chicago Area Job Posted Time: 2026-09-13 14:38:47 Employment Type: Hybrid Target Skills & Keywords : .NET, AI, Agile, C#, C++, CI/CD, Docker, Grafana, Helm, Java, JavaScript, Jenkins, Kibana, Kubernetes, Microservices, Perl, Python, RSpec, Ruby, SQL, TestNG, User Experience, pytest About the job Experience: •Typically, 2–5 years in software development, test automation, or QA infrastructure engineering. •C1 CEFR or higher (or equivalent). Required Skills: •: Strong proficiency in one or more of Ruby, Java, C#/.NET, C++, Perl, Python, or JavaScript •Working experience with Jenkins (or similar), Docker, and basic Kubernetes workflow (jobs, pods, Helm charts). •Operational familiarity with distributed architectures, API testing, and network-level debugging. •Exposure to SIP/SDP/RTP, WebRTC, or similar signaling and media systems. •Solid understanding of SQL and NoSQL databases for data-driven testing. •: Strong problem-solving mindset, able to triage and isolate issues across multiple layers of the stack. Qualifications: •As a Software Engineer, Test & Infrastructure II, you will be doing both English and Spanish QA testing of call flows and writing automated test cases. •This position requires fluency in both English and Spanish. •C1 CEFR or higher (or equivalent). You must be able to understand and evaluate complex spoken and written Spanish, identify linguistic and localization issues in call flows, and accurately validate Spanish-language user experiences. •Build maintainable, modular test infrastructure in Python, Perl, Java, or Ruby that adapts to evolving APIs and systems. •Own automation for complex functional, integration, and regression scenarios across distributed microservices and telephony systems. •Contribute to test harnesses that validate signaling flows (SIP, RTP, SDP, WebRTC) and API transactions under varying network conditions. Compensation: •$89,400 - $116,400 / year Interested candidates, please apply directly through the job posting on company's career page or try via AI auto apply on this platform. Don't miss this opportunity to join a forward-thinking team!