Senior Backend Developer (Contract)

About Halcyon Labs At Halcyon Labs, we’re more than just a fast-growing SaaS company; we’re a team of people passionate about transforming home healthcare. Our cloud-based platform empowers care providers around the world to deliver better outcomes for their clients. With 650+ employees across Canada, the US, Australia, and Brazil, we’re united by a shared mission and a strong culture of transparency, growth, and human connection. Whether you're early in your career or a seasoned expert, Halcyon Labs offers the opportunity to grow your impact, your skills, and your career. About the Role As a Senior Backend Developer, you will help power Halcyon Labs’s Residential platform, which supports better care for residents in aged care facilities across Australia. You will join a distributed engineering team that works closely with product, clinical, and finance stakeholders to design and deliver reliable backend services and APIs that underpin critical workflows for our customers. You will work mainly with C#, .NET 8, and MSSQL in an environment that is evolving from a monolith to modern microservices, using technologies like Docker, Kubernetes, Redis, AWS, and Azure DevOps. You will also be part of an AI-first development culture that expects you to use AI coding assistants in your day-to-day work to accelerate delivery while maintaining high quality. If you are excited by building robust backend systems that make real-world care safer, more efficient, and more connected, this role is for you. This is a fully remote 12 month temporary full-time contract position. What You’ll Do Design, build, and maintain scalable backend services and RESTful APIs in C# and .NET that power key clinical and financial workflows. Optimize MSSQL database access and queries to improve performance, reliability, and maintainability of our data layer. Strengthen the security and resilience of shared services, including role-based access control and service-to-service authentication. Lead and participate in code reviews to drive reuse, extensibility, and high engineering standards across the team. Implement and maintain automated unit and integration tests that ensure strong coverage and code quality. Monitor services in production, investigate issues, and ship fixes that improve stability and client experience. Contribute to the product-wide technical roadmap and help guide our transition from a monolith to microservices. Evaluate and recommend new tools, patterns, and technologies that help the team ship high-quality software more effectively. What You Bring to the Team 5+ years of professional software engineering experience with a strong focus on backend development. Deep hands-on experience building production systems in C# and .NET, including modern .NET versions. Proven experience designing and implementing production-grade microservices and RESTful APIs. Strong SQL skills and experience optimizing database access and queries on MSSQL or similar relational databases. Practical experience with Docker, Kubernetes, and AWS-based services in a production environment. Comfort making sound technical decisions in ambiguous contexts and communicating trade-offs clearly to technical and non-technical stakeholders. Strong communication and collaboration skills in written and spoken English, with the ability to work effectively across distributed teams. Familiarity with Redis, message-based background processing, and observability tooling like DataDog is an asset. Ability to work Pacific Time Zone hours. AI at Work At Halcyon Labs, AI is a core part of how we work. Success in this role requires bringing a working knowledge of AI, having used AI tools in practice, and being able to demonstrate how AI has helped improve the quality, efficiency, or impact of your work. We look for people who can adapt to new tools and ways of working and use AI responsibly in line with our privacy and security standards. We’ll support you with the tools, training, and coaching needed to succeed in an AI‑enabled environment. Ready to Join Us? Apply today and be part of a company that makes a real difference in the future of home and community care. Not the right role for you? Share this posting with someone who might be a great fit. Halcyon Labs uses AI tools during our hiring process to support fair, consistent, and objective decision-making. Some initial screening steps may be automated to help identify qualified candidates. If your application is declined automatically, you may request a human review. We’re committed to creating a workplace where everyone belongs. If you require accommodation during the application process, please reach out to [email protected]. At Halcyon Labs, we believe in fair and equitable compensation. Adhering to British Columbia's pay transparency laws, we are committed to providing competitive remuneration for this role. Job pay range $100,000—$125,000 CAD