Full Stack Software Developer - Backend-focused

HSI is a leading provider of environment, health, and safety (EHS), compliance, and professional development solutions. They are seeking a Full Stack Software Developer with a strong backend focus to join their engineering team, where the role involves building scalable software, owning backend services, and contributing to frontend development.

Responsibilities:

• Design, build, and maintain scalable backend services, APIs, and data layers, with frontend contributions as needed
• Own and deliver end-to-end features, from concept through deployment
• Optimize application performance, including database queries, service throughput, and system efficiency
• Collaborate on architecture decisions, code reviews, and technology selection
• Document systems, integrations, and technical solutions
• Mentor junior developers and contribute to a culture of engineering excellence
• Participate in Agile development processes (standups, sprint planning, retrospectives)
• Support production systems through participation in an on-call rotation

Requirements:

• Bachelor's degree in Computer Science (or equivalent practical experience)
• 3+ years of software development experience
• Strong experience building modern full stack applications, with a primary focus on backend development
• Solid understanding of distributed systems, concurrency, and scalable architecture
• Hands-on experience designing and building RESTful APIs
• Experience working with relational databases (schema design, query optimization, stored procedures)
• Proficiency with C#/.NET, SQL Server, and Azure
• Working knowledge of JavaScript/TypeScript and Angular for frontend development
• Experience with Git (or similar version control systems)
• Familiarity with Azure DevOps or similar tools for tracking work and defects
• Experience working in Agile environments, with exposure to CI/CD pipelines and automated testing
• Participation in at least one full software development lifecycle