Application Developer, Senior

Job Description

Your Role

As a Full Stack Engineer in the healthcare space, you'll architect seamless, mission-critical applications that clinicians and patients depend on. From polished interfaces to high-performance backends, you'll shape technology that improves care delivery and enhances lives.

Our leadership model is about developing great leaders at all levels and creating opportunities for our people to grow - personally, professionally, and financially. We are looking for leaders that are energized by creative and critical thinking, building and sustaining high-performing teams, getting results the right way, and fostering continuous learning.

Responsibilities

Your Work

In this role, you will:

• Design, build, and maintain end-to-end application features across UI, API, and data layers
• Develop secure, testable, and maintainable code aligned with modern architectural patterns
• Implement system integrations and manage reliable data models for distributed components
• Ensure applications are cloud-ready and compatible with established CI/CD workflows
• Contribute to application logging, monitoring, and diagnostics to support operational visibility
• Leverage AI tools to enhance productivity, code quality, and documentation, while critically applying outputs
• Collaborate with cross-functional teams to translate requirements into scalable technical solutions and take ownership of delivered components

Qualifications

Your Knowledge and Experience

• 5+ years of experience in full stack development
• BA/BS or equivalent IT experience
• Proficiency in modern front-end frameworks (React, Vue, Angular or similar) and JavaScript/TypeScript
• Experience building backend services and APIs using .NET, Java, Node.js, Python, or similar technologies
• Strong knowledge of SQL (e.g., MS SQL Server, Oracle) and/or NoSQL databases and RESTful integrations
• Experience developing cloud-native applications (Azure preferred; AWS/Google Cloud Platform acceptable)
• Familiarity with containerization (e.g., Docker)
• Familiarity using Infrastructure as Code (e.g., Ansible, Bicep, ARM, Terraform) to provision and manage cloud resources
• Working knowledge of CI/CD pipelines and version control systems (e.g., GitHub, GitLab, Bitbucket)
• Experience using AI-assisted coding tools in professional software development (e.g., GitHub Copilot, Cursor, Claude, or similar)
• Experience working in regulated environments (e.g., healthcare) preferred
• Familiarity with healthcare interoperability standards or enterprise healthcare platforms (e.g., Epic) preferred
• End-to-end ownership mindset - thinks about UI, logic, and data as one cohesive system
• Engineering pragmatism - balances ideal architecture with delivery speed and business value
• AI-augmented builder - leverages AI tools effectively while maintaining strong engineering judgment
• Effective collaboration with product, design, QA, security, and platform teams
• Ability to operate in dynamic, evolving environments with shifting priorities
• Clear communication of technical concepts to both technical and non-technical stakeholders

Hybrid

This role requires employees to be in-office based on our hybrid workplace model, balancing purposeful in-person collaboration with flexibility. For most teams, this means coming into the office two days each week.

Employees living more than 50 miles from an office location will work with their manager to determine in-office time based on business need.

#LI-JA1

About the Team

About Stellarus and the Ascendiun Family of Companies

Stellarus, launched in January 2025, is designed to scale innovative healthcare solutions that support customers in creating a health care experience deserving of their family, friends, and neighbors.

Stellarus is part of a family of organizations that is overseen by a nonprofit corporate entity named Ascendiun. The Ascendiun Family of Companies also includes Blue Shield of California and its subsidiary, Blue Shield of California Promise Health Plan and Altais, a clinical services company.

Stellarus' vision is to empower its customers to create a healthcare experience that is worthy of their family, friends, and neighbors. Stellarus' objective is to offer innovative, modern, scalable solutions that challenge the health care status quo. This very closely aligns with Blue Shield of California's vision by using innovation to improve quality, affordability, and experience for members.

To achieve our mission, we foster an environment where all employees can thrive and contribute fully to address the needs of the various communities we serve. We are committed to creating and maintaining a supportive workplace that upholds our values and advances our goals.

Our Values:

At Stellarus, our core values of agility, trust, drive, courage and service shape our approach to developing innovative product offerings.

Our Workplace Model:

We believe in fostering a workplace environment that balances purposeful in-person collaboration with flexibility - providing clear expectations while respecting the diverse needs of our workforce. Our workplace model is designed around intentional in-person interaction, collaboration, connection, creativity and flexibility:

• For most teams, this means coming into the office two days per week.
• Employees living more than 50 miles from an office location, out of state employees, and employees in certain member-facing roles should work with their manager to determine in-office time based on business need.
• For employees with medical conditions that may impact their ability to work in-office, we are committed to engaging in an interactive process and providing reasonable accommodations to ensure their work environment is conducive to their success and well-being.

The Company reserves the right to require more presence in the office based on business needs, and requirements are subject to change with periodic reviews.

Physical Requirements:

Office Environment - roles involving part to full time schedule in Office Environment. Based in our physical offices and work from home office/deskwork - Activity level: Sedentary, frequency most of work day.

Please click here for further physical requirement detail.

Equal Employment Opportunity:

External hires must pass a background check/drug screen. Qualified applicants with arrest records and/or conviction records will be considered for employment in a manner consistent with Federal, State and local laws, including but not limited to the San Francisco Fair Chance Ordinance. All qualified applicants will receive consideration for employment without regards to race, color, religion, sex, national origin, sexual orientation, gender identity, protected veteran status or disability status and any other classification protected by Federal, State and local laws.