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Senior Integration Developer Jobs in California (NOW HIRING)

SAIC

Senior Integration Test Engineer

San Diego, CA · Hybrid

$80K - $120K/yr

ORA_HYBRID Description SAIC is seeking a skilled and motivated Senior Integration Engineer to join our team. In this role, you will play a critical role in verifying, testing, troubleshooting, and ...

Esri

Sr. Web Developer - AEC Integration

Redlands, CA · On-site

$123K - $202K/yr

Providing this integration requires innovative software engineering to ensure reliable, secure, seamless, and scalable access to this information in ways that are user- and industry-focused while ...

SAIC

Senior Integration Test Engineer

San Diego, CA · On-site

$80K - $120K/yr

Description SAIC is seeking a skilled and motivated Senior Integration Engineer to join our team. In this role, you will play a critical role in verifying, testing, troubleshooting, and debugging ...

SAIC

Senior Integration Test Engineer

San Diego, CA · On-site

$80K - $120K/yr

ORA_HYBRID Description SAIC is seeking a skilled and motivated Senior Integration Engineer to join our team. In this role, you will play a critical role in verifying, testing, troubleshooting, and ...

Long Wall

Sr. Integration Technician

El Segundo, CA · On-site

$40 - $55/hr

The best engineers, corporate professionals, and technicians make their teammates better. Knowing that complementary skills create force multiplication and drive mission success. Sr. Integration ...

Long Wall

Sr. Integration Technician

El Segundo, CA · On-site

$40 - $55/hr

The best engineers, corporate professionals, and technicians make their teammates better. Knowing that complementary skills create force multiplication and drive mission success. Sr. Integration ...

Long Wall

Sr. Integration Technician

El Segundo, CA · On-site

$40 - $55/hr

The best engineers, corporate professionals, and technicians make their teammates better. Knowing that complementary skills create force multiplication and drive mission success. Sr. Integration ...

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All JobsIntegration Developer JobsSenior Integration Developer JobsSenior Integration Developer Jobs in California

Senior Integration Developer information

See California salary details

$21.2K

$116.4K

$168.8K

How much do senior integration developer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for senior integration developer in California is $116,441.00, according to ZipRecruiter salary data. Most workers in this role earn between $89,800.00 and $144,600.00 per year, depending on experience, location, and employer.

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

AspectSenior Integration DeveloperIntegration Engineer
CredentialsBachelor's in CS or related, often with certifications like MuleSoft, Dell BoomiBachelor's in CS or related, similar certifications
Work EnvironmentSoftware development teams, project-basedIT operations, system integration teams
Industry UsageTech, finance, healthcare, enterprise softwareTech, manufacturing, telecom, enterprise sectors
Search & ComparisonOften compared for seniority and technical scopeCompared for operational vs development focus

Senior Integration Developers typically focus on designing and leading complex integrations, requiring advanced coding and architecture skills. Integration Engineers often handle the implementation and maintenance of integrations, emphasizing operational support. Both roles share similar credentials but differ in scope and responsibilities, with Senior Integration Developers usually taking a more strategic and leadership role in integration projects.

What are the key skills and qualifications needed to thrive as a senior integration developer, and why are they important?

To thrive as a Senior Integration Developer, you need in-depth expertise in application integration, API development, and systems architecture, typically supported by a computer science degree and several years of relevant experience. Familiarity with integration platforms (such as MuleSoft, Dell Boomi, or IBM Integration Bus), cloud services, and proficiency in languages like Java or Python are common technical requirements. Strong problem-solving skills, effective communication, and the ability to collaborate across teams are essential soft skills in this role. These skills ensure seamless system interoperability, efficient data flow, and successful project delivery within complex enterprise environments.

How much do senior integration developers make?

Senior integration developers typically earn between $90,000 and $130,000 annually, depending on experience, location, and industry. They often have expertise in tools like MuleSoft, Dell Boomi, or Informatica and may hold certifications that can influence salary levels.

What are some common challenges faced by senior integration developers when working with multiple systems?

Senior Integration Developers often encounter challenges such as dealing with legacy systems that lack modern API support, managing data consistency across disparate platforms, and ensuring secure data transmission. Additionally, they must troubleshoot integration failures quickly to minimize business disruption and collaborate closely with other development, QA, and infrastructure teams. Staying current with evolving integration tools and best practices is also essential for delivering robust solutions.

What does a senior integration developer do?

A Senior Integration Developer is responsible for designing, developing, and maintaining solutions that enable different software systems to communicate and work together efficiently. They work with APIs, middleware, and integration platforms to connect diverse applications within an organization or with external partners. Their role often includes troubleshooting integration issues, ensuring data consistency, and optimizing performance. Additionally, they may mentor junior developers and collaborate with business stakeholders to understand integration requirements.
What are the most commonly searched types of Integration Developer jobs in California? The most popular types of Integration Developer jobs in California are:
What are popular job titles related to Senior Integration Developer jobs in California? For Senior Integration Developer jobs in California, the most frequently searched job titles are:
What job categories do people searching Senior Integration Developer jobs in California look for? The top searched job categories for Senior Integration Developer jobs in California are:
What cities in California are hiring for Senior Integration Developer jobs? Cities in California with the most Senior Integration Developer job openings:
What are popular job titles related to Senior Integration Developer jobs in CA? For Senior Integration Developer jobs in CA, the most frequently searched job titles are:
Senior Integration Developer jobs near you
Infographic showing various Senior Integration Developer job openings in California as of August 2026, with employment types broken down into 86% Full Time, 7% Part Time, 2% Temporary, and 5% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $116,441 per year, or $56 per hour.

Sr .NET Developer (Integration, API, ESB, C#, Azure) (Hybrid, Santa Clara, CA)

Stage 4 Solutions Inc

Santa Clara, CA • On-site

$65 - $85/hr

Contractor

Medical, Retirement

Re-posted 11 days ago

Job description

Sr .NET Developer (Integration, API, ESB, C#, Azure) (Hybrid, Santa Clara, CA) 

We are looking for a .NET Developer, an Integration Expert for our client, a County in the State of California. The focus of this role is to design, create, and test all interfaces and data exchanges required for two criminal justice projects that include implementing a new jail management system and modernizing the remaining components in the legacy Criminal Justice Information Control system that will work with new jail management system. 

This contract position is long-term with funding approved every 12 months (extensions likely), 40 hours per week. This is a hybrid role that requires at least 2-3 days of onsite work supporting our client’s offices in Santa Clara, CA. The preferred candidates must reside in the San Francisco Bay area, within a commutable distance of the offices in Santa Clara, CA.  

This is a W-2 role as a Stage 4 Solutions employee. Health benefits and 401K are offered. 

Responsibilities: 

  • Designing, creating, and testing all interfaces and data exchanges required for two projects. 

  • Responsible for working with API management toolset. 

  • Integrating with Microsoft SQL Server and coding stored procedures 

  • Analyze complex integration issues and provide effective solutions.  

  • Troubleshooting skills to identify and resolve integration-related issues promptly. 

  • Translate technical jargon into layman's terms for non-technical stakeholders. 

Requirements:  

  • 5+ years of experience in developing APIs and with integration technologies such as API, ESB (Enterprise Service Bus), middleware, and other relevant tools. 

  • 5+ years of experience in developing programs in C#, Microsoft .NET, and Visual Studio  

  • 5+ years of experience in implementing restful and soap-based messaging  

  • 5+ years of experience with various data formats and protocols like XML, XSD, XSLT documents JSON, SOAP, REST, etc. 

  • 5+ years of experience in data handling in implementing database applications using Microsoft SQL Server, Oracle SQL Server, Stored procedures, etc. 

  • 3+ years of experience working with API management solutions, such as Azure API Management solutions, MuleSoft API Manager, and Software AG API Gateway. 

  • 2+ years of experience in working with TLS certificates. 

  • Experience with cloud-based integration platforms and services, like Azure Integration Services, AWS Lambda, or Google Cloud Pub/Sub. 

  • Experience with data security principles and implementing secure integration practices. 

  • Experience with government domain processes and information preferred. 

Please submit your resume to our network at https://www.stage4solutions.com/careers/ (Please apply to Sr .NET Developer (Integration, API, EBS, C#, Azure) (Hybrid, Santa Clara, CA) role. Please feel free to forward this project opening to others who may be interested. 

Stage 4 Solutions is equal-opportunity employer. We celebrate diversity and are committed to providing employees with an inclusive environment that is free of discrimination and harassment. All employment decisions are based on the job requirements and candidates’ qualifications, without regard to race, color, religion/belief, national origin, gender identity, age, disability, marital status, genetic information, or other applicable legally protected characteristics. 

Compensation: $65/h - $85/h (depending on experience)