The role involves designing and maintaining backend services and APIs while contributing to frontend development. Responsibilities include optimizing performance, mentoring, and participating in Agile processes.
HSI is a leading provider of environment, health, and safety (EHS), compliance, and professional development solutions that empower organizations to build safer, smarter workplaces. Through our integrated platform, we deliver training, compliance tools, and workforce development solutions to companies around the world.
We’re looking for a Full Stack Software Developer with a strong backend focus to join our growing engineering team. In this role, you’ll play a key part in building scalable, high-quality software by owning backend services, APIs, and integrations—while also contributing to frontend development to deliver complete, end-to-end solutions.
This is an opportunity for a developer who enjoys taking ownership of meaningful features, influencing technical direction, and mentoring others while continuing to grow their own skillset.
What You’ll Do- 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
Benefits
- Full Healthcare: Health, dental, vision, and more
- Support & Growth: Parental Leave, Tuition Reimbursement, Volunteer Time, and more for your personal and professional development.
- Learning & Development: Unlimited resources via HSI's Learning Management System and career training.
- Remote Work: Work from anywhere that boosts your productivity.
- Flexible Vacations: Take needed breaks with our generous time-off policy.
- Retirement Security: Benefit from our $1:$1 company match for retirement savings.
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What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
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