Senior Software Engineer

About the role

Vista is looking for a Senior Software Engineer to join its HR Technology team. You will design and support high‑scale, secure RESTful APIs that connect our proprietary platform with enterprise systems and external partners, working in an Agile environment with frequent production releases.

Key responsibilities

• Design, develop, and maintain backend services and APIs for HR technology.
• Build cloud‑native, distributed systems focused on scalability, reliability, and data integrity.
• Create and maintain automation frameworks to improve engineering velocity.
• Leverage AI‑assisted development tools such as GitHub Copilot and Gemini.
• Collaborate with product managers, engineers, and partner teams to translate business needs into technical solutions.
• Own features from design through production, ensuring operational readiness.
• Participate in code reviews, architecture discussions, and technical decision‑making.
• Troubleshoot production issues and enhance system resilience and performance.
• Contribute to automated testing and CI/CD practices.
• Engage in Agile ceremonies including daily stand‑ups, sprint planning, and retrospectives.

Required profile

• Bachelor’s degree in Information Systems, Information Technology, or a related field.
• 5+ years of experience developing with C# and operating high‑traffic, business‑critical systems.
• Proficiency with AI‑assisted development tools (e.g., GitHub Copilot, Gemini).
• Experience with cloud services, preferably AWS.
• Demonstrated ability to automate workflows and build robust testing suites.
• Hands‑on experience designing and maintaining CI/CD pipelines.
• Strong analytical and problem‑solving skills, with the ability to thrive in fast‑paced, ambiguous environments.

Required skills

• C#
• RESTful API development
• AWS (or other cloud services)
• CI/CD pipeline design
• Automation frameworks
• Testing suite development
• GitHub Copilot
• Gemini