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 Vista’s proprietary platform with enterprise systems and external partners.

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.
• 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 continuously improve system resilience and performance.
• Contribute to automated testing and CI/CD practices.
• Engage actively in Agile ceremonies such as daily stand‑ups, sprint planning, and retrospectives.

Required profile

• Bachelor’s degree in Information Systems, Information Technology, or a related field.
• 5+ years of professional experience with C# and 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 in fast‑paced environments.

Required skills

• C#
• AWS (or other cloud services)
• RESTful API development
• AI‑assisted development tools (GitHub Copilot, Gemini)
• CI/CD pipeline creation and maintenance
• Automation frameworks
• Automated testing suites
• Cloud‑native distributed system design