Full Stack Engineer, Senior

Job Description

Your Role

The Application Services team plays a critical role in enhancing customer satisfaction and technical collaboration while delivering all application development through a Platform and Technology Product Operating Model. The Full Stack Engineer role will report to the Director, IT Applications (Integration and Interoperability Platform). In this role you will be deeply involved in the design, development, and deployment of secure, high-quality software solutions. Your role will focus on integrating security and automation throughout the software development lifecycle (SDLC), with an emphasis on writing clean, maintainable code and building infrastructure that supports CI/CD pipelines, automated testing, and cloud-native delivery. You'll implement and enforce DevSecOps best practices tailored for Azure, contribute to infrastructure as code, and work closely with developers, testers, and cloud engineers to ensure code is secure, scalable, and production-ready from day one. This role requires a hands-on engineer who thrives in a collaborative environment and is passionate about code quality, automation, and secure cloud development. 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, develop, deploy, and troubleshoot platform features and automation solutions using MuleSoft Anypoint Platform and complementary cloud-native technologies.
• Administer and optimize MuleSoft environments including Anypoint Runtime Manager, API Manager, and Exchange to support scalable, secure, and reliable integrations.
• Develop reusable templates, connectors, and shared libraries to accelerate integration development and promote consistency across teams.
• Enable development teams through tooling, documentation, and best practices for building APIs and integrations using MuleSoft and OpenAPI Specification (OAS).
• Implement and enforce API policies (e.g., authentication, authorization, rate limiting, logging, transformations) across the MuleSoft ecosystem.
• Collaborate with integration teams to design and implement scalable solutions using MuleSoft flows, RAML/OAS definitions, and DataWeave transformations.
• Drive operational excellence through automated testing, CI/CD pipelines, and proactive monitoring of MuleSoft services.
• Integrate MuleSoft with Azure-native services (e.g., Azure Service Bus, Azure API Management, Azure Functions) and other enterprise platforms.
• Monitor and manage configuration changes, performance metrics, and incident response using cloud-native and MuleSoft monitoring tools.
• Recommend and implement improvements to platform engineering processes to enhance agility, scalability, and developer experience.
• Collaborate with stakeholders to understand integration needs, user behavior, and opportunities for automation and developer enablement.

Qualifications

Your Knowledge and Experience

• Bachelor's degree in Computer Science, Information Technology, or related field (or equivalent experience), with 5+ years of experience in full stack development, platform engineering, or cloud integration.
• 3+ years of hands-on experience with MuleSoft Anypoint Platform, including API design, integration development, and platform administration.
• Strong programming skills in Java, JavaScript, or Python, with experience in backend service development and integration.
• Proficiency in DataWeave, RAML, and OpenAPI Specification (OAS).
• Experience with CI/CD pipelines (e.g., GitHub Actions, Bitbucket Pipelines) and infrastructure-as-code tools (e.g., Terraform, Bicep).
• Solid understanding of RESTful APIs, JSON/XML, and service-oriented architecture.
• Familiarity with Azure services such as Azure API Management, Azure Service Bus, Azure Functions, and Azure Monitor.
• Strong scripting and automation skills using PowerShell, Bash, or Python.
• Working knowledge of Git and version control best practices.
• Experience with containerization (Docker) and orchestration in cloud environments.
• Familiarity with Agile methodologies and DevOps practices.
• Experience incorporating AI coding assistants or automation tools to enhance developer productivity.
• Excellent communication and collaboration skills, with a strong process orientation and focus on operational reliability.

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.