Software Engineer, Test & Infrastructure II

🕒 November 7, 2025

🏢🏡 Chicago – Hybrid

💵 $89.4k - $116.4k / year

⏰ Full Time

🟢 Junior

🟡 Mid-level

🧑‍💻 Full-stack Engineer

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Vail Systems

WebsiteLinkedInAll Job Openings

51 - 200 employees

For over thirty years, Fortune 500 companies in financial services, retail and hospitality, software, and wireless communications industries have relied on Vail Systems’ highly-scalable, fault-tolerant telephony software services to deliver innovative customer care solutions to their customers. These services include but are not limited to: Advanced Network Routing and Call Control, Caller Authentication and Risk Scoring, Conversational IVR/IVA Solutions, and Customer Experience Analytics.

📋 Description

• Design and Extend Automation Frameworks: Build maintainable, modular test infrastructure in Python, Perl, Java, or Ruby that adapts to evolving APIs and systems. • Develop Advanced Test Suites: Own automation for complex functional, integration, and regression scenarios across distributed microservices and telephony systems. • Validate Real-Time Systems: Contribute to test harnesses that validate signaling flows (SIP, RTP, SDP, WebRTC) and API transactions under varying network conditions. • Enhance CI/CD Integration: Implement, optimize, and maintain automated test pipelines in Jenkins or similar systems, including containerized and Kubernetes-based environments. • Collaborate Across Disciplines: Partner with developers, QA peers, and DevOps engineers to ensure tests are integrated early in the release cycle and deliver meaningful insights. • Analyze Failures & Root Causes: Use log aggregation tools, packet captures, and dashboards (e.g., Kibana, Grafana) to diagnose failures and improve coverage or resiliency. • Contribute to Test Data & Metrics: Work with SQL and NoSQL databases to generate and validate test data, interpret automation results, and measure performance. • Mentor & Share Knowledge: Help guide junior engineers in automation practices, framework design, and debugging strategies. • Drive Continuous Improvement: Identify gaps in test coverage, reliability, and efficiency—propose and implement technical solutions that raise QA maturity.

🎯 Requirements

• Bachelor's degree in Computer Science/Engineering or a related field, or equivalent experience • Experience: Typically, 2–5 years in software development, test automation, or QA infrastructure engineering. • Programming Skills: Strong proficiency in one or more of Ruby, Java, C#/.NET, C++, Perl, Python, or JavaScript • Frameworks & Tools: Experience with JUnit, TestNG, PyTest, RSpec, Cucumber, or equivalent automation frameworks. • CI/CD & Containers: Working experience with Jenkins (or similar), Docker, and basic Kubernetes workflow (jobs, pods, Helm charts). • Systems Knowledge: Familiarity with distributed architectures, API testing, and network-level debugging. • Telecom/Media (Preferred): Exposure to SIP/SDP/RTP, WebRTC, or similar signaling and media systems. • Databases: Solid understanding of SQL and NoSQL databases for data-driven testing. • Analytical Skills: Strong problem-solving mindset, able to triage and isolate issues across multiple layers of the stack. • Collaboration: Experience in Agile environments; comfortable contributing to cross-functional sprint work, code reviews, and retrospectives.

🏖️ Benefits

• Multiple medical, dental, and vision plan options • Company-paid life insurance, short and long-term disability • 401(k) savings plan with company match (50% on first 6% of employee contribution) • 35 days total annual PTO • Annual Bonus Program • Paid maternity and paternity leave • Relocation allowance • Employee referral bonus • Gym membership • Technical and Professional Development stipend