Your opportunity
You will help shape the next generation of our portfolio construction platform, building modern Angular web experiences supported by a robust ASP.NET Core (.NET 10) backend. You will work across the full stack, from cloud-hosted APIs to responsive user interfaces, in a collaborative Agile environment.
- Develop and maintain Angular front-end features supported by ASP.NET Core Web APIs.
- Design REST endpoints, background jobs, caching solutions and real-time features.
- Write and optimize data access for SQL Server using EF Core and Dapper.
- Contribute to CI/CD pipelines and support cloud deployments on Microsoft Azure.
- Use AI-assisted development tools while maintaining quality, security and sound engineering practices.
- Write tests, review code and work directly with stakeholders to understand and deliver requirements.
- Collaborate on new feature development and help migrate existing desktop functionality to the web.
- Carry out other duties as assigned.
What to expect when you join our firm
- Hybrid working and reasonable accommodations
- Generous Holiday policies
- Excellent Health and Wellbeing benefits including corporate membership to Wellhub
- Paid volunteer time to step away from your desk and into the community
- Support to grow through professional development courses, tuition/qualification reimbursement and more
- Maternal/paternal leave benefits and family services
- Unique employee events and programs including a 14er challenge
- Complimentary beverages, snacks and all employee Happy Hours
Must have skills
- 3-5 years of experience building web applications with C#/.NET and a modern single-page application framework, preferably Angular.
- Strong TypeScript, HTML and CSS/SCSS skills.
- Solid understanding of REST APIs, authentication and asynchronous programming patterns.
- Strong SQL scripting skills, including experience with SQL Server and object-relational mapping tools such as EF Core and/or Dapper.
- Familiarity with Microsoft Azure cloud services and CI/CD practices.
- Proficiency with Git and willingness to adopt AI-assisted development tools in daily work.
- Clear communication skills and the ability to work effectively with technical and non-technical stakeholders.
- Strong problem-solving, sound judgement, collaboration and ownership from design through deployment.
Nice to have skills
- Experience using Visual Studio.
- Experience with ElasticSearch, including search indexing or relevance tuning.
- WPF and MVVM experience supporting an existing desktop client during a web transition.
- Experience with .NET MAUI or mobile application development.
- Experience with Astronomer or similar data and workflow orchestration platforms.
- Experience with Snowflake, Databricks, Redis or Application Insights.
- Experience using Python.
Supervisory responsibilities
Potential for growth
- Mentoring
- Leadership development programs
- Regular training
- Career development services
- Continuing education courses
Compensation information
The base salary range for this position is $120,000 to $127,000. This range is estimated for this role. Actual pay may be different. This position will be open through October 31, 2026.
Colorado law requires an estimated closing date for job postings. Please don't be discouraged from applying if you see this date has passed.Annual Bonus Opportunity: Position may be eligible to receive an annual discretionary bonus award from the profit pool. The profit pool is funded based on Company profits. Individual bonuses are determined based on Company, department, team and individual performance.
Benefits: Janus Henderson is committed to offering a comprehensive total rewards package to eligible employees that includes; competitive compensation, pension/retirement plans, and various health, wellbeing and lifestyle benefits. To learn more about our offerings please visit the Why Join Us section on the career page here.
