Assistant Software Developer Jobs in Riverside, CA

The Engineer II, Cloud & Web Systems Software is responsible for the design, development, testing, and support of cloud-based and web-enabled software solutions that support Masimo’s connected platforms, digital health technologies, internal systems, and product ecosystems.

This role contributes to the development of scalable, secure, and reliable applications and services that enable data connectivity, visualization, analytics, and user interaction across web, mobile, enterprise, and medical device environments. The Engineer II works collaboratively with cross‑functional engineering, systems, cybersecurity, quality, regulatory, and product teams to deliver high‑quality software solutions in a fast‑paced, regulated environment.

• Design, develop, test, and maintain cloud‑native and web‑based software applications, services, APIs, and system integrations
• Contribute to scalable backend architectures and modern web application development supporting connected medical technologies and enterprise platforms
• Develop and maintain software using modern programming languages, frameworks, and cloud technologies such as C#, .NET, Java, Python, JavaScript/TypeScript, React, Angular, Node.js, AWS, Azure, or equivalent technologies
• Build and support RESTful APIs, microservices, and distributed systems architectures
• Participate in frontend and backend development activities, including UI implementation, database integration, and service‑layer development
• Support cloud infrastructure, deployment pipelines, and DevOps practices including CI/CD automation, containerization, and environment management
• Collaborate with cybersecurity, systems engineering, quality, and regulatory teams to ensure software compliance, reliability, scalability, and security requirements are met
• Participate in software verification, validation, debugging, root cause analysis, and issue resolution activities
• Contribute to software documentation including design specifications, architecture documentation, test protocols, and release documentation
• Support software lifecycle activities in alignment with medical device development processes and applicable standards where required
• Participate in code reviews, peer collaboration, technical discussions, and continuous improvement initiatives
• Assist in evaluating new technologies, tools, and frameworks to improve software performance, scalability, and development efficiency
• Support troubleshooting and maintenance activities for released applications and cloud services
• Collaborate cross‑functionally with project managers, systems engineers, product development teams, and external partners to support project execution and product delivery

• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or related technical field required
• 2–5 years of software engineering experience in cloud, web, backend, full‑stack, or distributed systems development, or equivalent combination of education and related experience
• Experience developing software applications using modern programming languages and frameworks such as C#, .NET, Java, Python, JavaScript, TypeScript, React, Angular, or similar technologies
• Experience with cloud platforms such as AWS, Azure, or Google Cloud Platform
• Understanding of web services, APIs, microservices, and distributed system architectures
• Experience with relational and/or NoSQL databases such as SQL Server, PostgreSQL, MongoDB, or equivalent
• Familiarity with source control systems, CI/CD pipelines, and Agile software development methodologies
• Strong problem‑solving, debugging, and analytical skills
• Strong written and verbal communication skills with the ability to collaborate across technical and non‑technical teams

• Experience developing software within regulated industries such as medical device, healthcare, life sciences, or other highly regulated environments
• Familiarity with cybersecurity best practices, secure software development, authentication/authorization protocols, and data privacy principles
• Experience with containerization and orchestration technologies such as Docker or Kubernetes
• Experience with cloud monitoring, logging, and observability tools
• Exposure to software verification and validation processes and software quality standards
• Experience supporting enterprise integrations, connected platforms, or IoT/device‑cloud ecosystems
• Familiarity with FDA‑regulated software development processes and standards such as IEC 62304 is preferred

Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or related technical field required; advanced degree preferred.

• Ability to read, write, and communicate effectively in English
• Ability to interpret technical documents, schematics, and written instructions
• Ability to clearly document technical findings and communicate with cross‑functional team members

The anticipated salary range for this position is $100,000 - $120k plus benefits. Actual placement within this range is dependent on multiple factors, including but not limited to skills, education, and experience. This position also qualifies for up to 10% annual bonus based on company, department, and individual performance. Masimo offers benefits such as Medical, Dental, Vision, Life/AD&D, Disability Insurance, 401(k), Vacation, Sick, Holiday, Paid Maternity Leave, Flexible Spending Accounts, voluntary Accident, Critical Illness, Hospital, Long‑Term Care, Employee Assistance Program, Pet Insurance, on‑site Wellness Clinic, Fitness Center, Café. All benefits are subject to eligibility requirements.

This position primarily works in an office environment and requires frequent sitting, standing, and walking. Daily use of a computer and other digital devices is required. This role may require standing for extended periods when facilitating meetings or walking through facilities.

The physical demands of the position described herein are essential functions of the job and employees must be able to successfully perform these tasks for extended periods. Reasonable accommodations may be made for those individuals with real or perceived disabilities to perform the essential functions of the job described.