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Senior Application Developer Jobs in Rialto, CA (NOW HIRING)

CoStar Group

Senior DevOps Engineer

Orange, CA · On-site

$138.90K - $178.40K/yr

Senior DevOps Engineer Overview CoStar Group (CSGP) is a leading global provider of commercial and ... Mobile application support (iOS, Android) * Experience in REST API or Microservices development

StaffRight Associates - Recruitment & Staffing

Be Seen First

Sr. Software Developer - Apps/C# .NET

Redlands, CA · On-site

$140K - $190K/yr

The Opportunity StaffRight Associates is seeking an innovative, high-caliber Senior Software Engineer to pioneer the next generation of cross-platform application building technologies. In this role ...

New

StaffRight Associates - Recruitment & Staffing

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Sr. Software Developer - Apps/C# .NET

Redlands, CA · On-site

$140K - $190K/yr

The Opportunity StaffRight Associates is seeking an innovative, high-caliber Senior Software Engineer to pioneer the next generation of cross-platform application building technologies. In this role ...

New

StaffRight Associates - Recruitment & Staffing

Be Seen First

Sr. Software Developer - Apps/C# .NET

Redlands, CA · On-site

$140K - $190K/yr

The Opportunity StaffRight Associates is seeking an innovative, high-caliber Senior Software Engineer to pioneer the next generation of cross-platform application building technologies. In this role ...

New

PacSun

Sr. OMS Developer

Anaheim, CA · On-site

$116K - $132K/yr

As a Senior OMS Developer, this is a crucial role in designing and developing technical solutions ... Working in information technology doing application analysis, design, development, testing, and ...

VSolvit

SENIOR FULL STACK DEVELOPER

Norco, CA · On-site

$120K - $180K/yr

Job Summary We are seeking a Senior Full Stack Developer to lead the design, development, and ... application development. VSolvit is an award winning WOSB, CA CDB, MBE, WBE, and CMMI Level 3 ...

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Senior Application Developer information

See Rialto, CA salary details

$54.1K

$115.2K

$159.9K

How much do senior application developer jobs pay per year?

As of May 30, 2026, the average yearly pay for senior application developer in Rialto, CA is $115,223.00, according to ZipRecruiter salary data. Most workers in this role earn between $96,300.00 and $132,400.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior Application Developer, and why are they important?

To thrive as a Senior Application Developer, you need advanced programming skills, a deep understanding of software development lifecycles, and typically a bachelor’s degree in computer science or related fields. Mastery of languages like Java, C#, or Python, experience with frameworks, databases, and familiarity with version control systems (such as Git) are essential, and certifications like AWS Certified Developer or Microsoft Certified: Azure Developer Associate can be advantageous. Strong problem-solving, leadership, and communication skills help you manage projects and mentor junior developers. These skills are crucial for delivering robust, scalable applications and ensuring effective collaboration within development teams.

What are some typical challenges faced by Senior Application Developers when leading development projects?

Senior Application Developers often encounter challenges such as balancing project deadlines with code quality, managing technical debt, and integrating new technologies into existing systems. They are typically responsible for mentoring junior developers, which requires strong communication and leadership skills. Additionally, they must collaborate closely with cross-functional teams, such as QA, UX/UI designers, and product managers, to ensure that project requirements are met while maintaining scalability and performance standards.

What are Senior Application Developers?

Senior Application Developers are experienced professionals who design, build, and maintain complex software applications. They lead development teams, make key architectural decisions, and ensure that software projects meet technical standards and business requirements. In addition to writing code, they often mentor junior developers, troubleshoot high-level issues, and collaborate with other departments to deliver robust solutions. Their expertise helps organizations create scalable and efficient applications tailored to business needs.

What is the difference between Senior Application Developer vs Application Engineer?

AspectSenior Application DeveloperApplication Engineer
Required CredentialsBachelor's degree in CS or related field; 5+ years experience; programming certificationsBachelor's degree in CS or related field; 3+ years experience; technical certifications
Work EnvironmentDesigning, developing, and maintaining applications; leading projectsImplementing, testing, and supporting applications; collaborating with development teams
Employer & Industry UsageTech companies, finance, healthcare; senior roles in software developmentIT firms, manufacturing, telecom; technical support and implementation roles

While both roles involve application development, Senior Application Developers typically lead projects and have more experience, whereas Application Engineers focus on implementing and supporting applications within technical teams.

What cities near Rialto, CA are hiring for Senior Application Developer jobs? Cities near Rialto, CA with the most Senior Application Developer job openings:
Senior Application Developer jobs near you

Developer III - Application Development

Inland Empire Health Plan

Rancho Cucamonga, CA • On-site

$118.60K - $157.14K/yr

Full-time

Medical, Dental, Vision, Life, Retirement

Posted 17 days ago

Job description

Overview
What you can expect!
Find joy in serving others with IEHP! We welcome you to join us in "healing and inspiring the human spirit" and to pivot from a "job" opportunity to an authentic experience!
Reporting to IT Department Leadership, the Developer III - Application Development is responsible for development, modification, and implementation of Inland Empire Health Plan's internal/external applications. The Developer III - Application Development is considered a Senior Developer position and is responsible for offering guidance to junior personnel.
Commitment to Quality: The IEHP Team is committed to incorporate IEHP's Quality Program goals including, but not limited to, HEDIS, CAHPS, and NCQA Accreditation.
Additional Benefits
Perks
IEHP is not only committed to healing and inspiring the human spirit of our Members, but we also aim to match our team members with the same energy by providing prime benefits and more.
  • Competitive salary
  • Hybrid schedule
  • State of the art fitness center on-site
  • Medical Insurance with Dental and Vision
  • Life, short-term, and long-term disability options
  • Career advancement opportunities and professional development
  • Wellness programs that promote a healthy work-life balance
  • Flexible Spending Account - Health Care/Childcare
  • CalPERS retirement
  • 457(b) option with a contribution match
  • Paid life insurance for employees
  • Pet care insurance

Key Responsibilities
  1. Gather project requirements and document business solutions.
  2. Execute full lifecycle of software development (Agile/DevOps).
  3. Communicate efficiently/effectively with all internal/external business entities.
  4. Create well designed, testable efficient code.
  5. Assist in generating test cases for new and existing applications.
  6. Design, develop and implement software independently or within a team.
  7. Serve as a subject matter expert in key businesses projects.
  8. Conduct code reviews and provider manful feedback.
  9. Analyze software errors to define and create tools that help mitigate problems.
  10. Train Team Members in coding standards and best practices.
  11. Collaborate with team members and contribute ideas for improving development workflows.
  12. Implement automation tools and frameworks (CI/CD pipelines).
  13. Conduct systems test before releasing software.
  14. Perform any other duties as required to ensure Health Plan operations and department business needs are successful.

Qualifications
Education & Requirements
  • At least five (5) years of experience developing multi-tiered, efficient, highly responsive web applications required
  • Candidates must possess solid work experience in client-side browser centric or middle-tier/back-end service development
  • Hands-on experience with Microservices architecture and event-driven model utilizing Rabbit MQ and Kafka
  • Experience with MongoDB: schema design, indexing strategies, replication, and performance optimization for large datasets
  • Experience in configuring an IIS/NGINX/PHP web server, Docker containers, PHP, and Linux OS (Redhat/Debian/Apline) is preferred
  • Experience integrating data across systems preferred(e.g., APIs, flat files, cloud storage, HDFS, etc.)
  • Bachelor's degree in a science-related field of study from an accredited institution required, degree preferably in Computer Science
    • In lieu of the required degree, a minimum of four (4) years of additional relevant work experience is required for this position
    • This experience is in addition to the minimum years listed in the Experience Requirements above

Key Qualifications
  • Deep comprehensive knowledge in the following areas:
    • Knowledge in the server-side development stack utilizing .Net, C# and SQL Server
    • Ability to design and implement complex, scalable, and maintainable enterprise solutions using .NET and modern architectural patterns
    • Acute analysis, observation, and good communication
    • CI/CD pipelines, automated builds, and deployment processes
    • Ability to utilize REST and SOAP webservices
  • Preferred Knowledge:
    • Knowledge of Healthcare domain
    • Knowledge of EDI 834 message format
    • Familiarity with data exchange standards (e.g., HL7, FHIR, CCDA).
    • Knowledge of Python
  • For Data Domain Services:
    • Expertise in .Net Core & .Net Framework (C#), including advanced concepts such as asynchronous programming, dependency injection, design patterns, Rest API development, Message Bus technologies, and more
    • Microservices architecture and event-driven model utilizing Rabbit MQ and Kafka
    • MongoDB: schema design, indexing strategies, replication, and performance optimization for large datasets
    • Security best practices in application development and data handling
    • Kubernetes, container orchestration, deployment strategies, scaling, and monitoring in cloud-native environments
    • JavaScript, Type Script, Material Design, AngularJS or Agular Framework, CSS frameworks, NodeJS and .Net Core webservers, bundling and packaging of client-side solutions
  • Data Integration & Interoperability:
    • Expert-level SQL development and SQL Server: database design, query optimization, stored procedures, and performance tuning. T-SQL, stored procedures, data governance, performance tuning, indexing strategies
    • SSIS (SQL Server Integration Services): advanced ETL package design, deployment, and troubleshooting
  • Knowledge of .Net Core & .Net Frameworks (C#), including advanced concepts such as asynchronous programming, dependency injection, design patterns, Rest API development, Message Bus technologies, and more
  • Proven ability to:
    • Work well in a team and be a strong team player with ability to mentor junior developers, perform code reviews, and enforce coding standards
    • Quickly learn new technologies, tools, and frameworks to stay aligned with evolving project needs
    • Take ownership of projects and drive solutions independently

Start your journey towards a thriving future with IEHP and apply TODAY!
Work Model Location
This position is on a hybrid work schedule. (Monday & Friday - remote, Tuesday - Thursday onsite in Rancho Cucamonga, CA.)
Pay Range
USD $118,601.60 - USD $157,144.00 /Yr.

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