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Senior Integration Developer Jobs in California (NOW HIRING)

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 ...

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 ...

Vast

Integration Engineer, Avionics Test

Long Beach, CA · On-site

$162K - $230K/yr

Vast is looking for a Integration Engineer, Avionics Test , reporting to the Sr. Manager , Integration , to support the development of the systems required for the build and test of artificial ...

Vast

Integration Engineer, Launch Operations

Long Beach, CA · On-site

$109K - $147K/yr

Vast is looking for an Integration Engineer, Launch Operations , reporting to the Senior Integration Engineer , to support vehicle-level integration, launch processing, and launch campaign execution ...

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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 Sep 2, 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 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 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.

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 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.

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 is a senior integration developer?

A senior integration developer designs, develops, and maintains software integrations between different systems and applications. They typically have expertise in APIs, middleware, and scripting languages, and often lead integration projects, ensuring data flows smoothly across platforms. Strong problem-solving skills and experience with integration tools like MuleSoft, Dell Boomi, or Informatica are common 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 93% Full Time, 4% Part Time, and 3% 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.

Senior ESS Ground Systems Integration Specialist

Science Applications International Corporation

El Segundo, CA • On-site

Full-time

Re-posted 12 days ago

SAIC rating

7.8

Company rating: 7.8 out of 10

Based on 80 frontline employees who took The Breakroom Quiz

88th of 226 rated it services

Job description


JOB DESCRIPTION:
SAIC is seeking a Senior Evolved Strategic Systems (ESS) Ground Systems Integration Specialist to join our team in El Segundo, CA. Due to security requirements, work is required to be on-site in a secure facility. SAIC is sub-contractor on the Military Satellite Communications (MILSATCOM) Systems Engineering, Integration and Test (MSEIT) contract.
The MSEIT effort provides leading edge Systems Engineering & Integration (SE&I) for the Air Force's Space and Missiles System Center. We support the Air Force's acquisition of state-of-the-art Military Satellite Communications systems, providing global secure, survivable, and protected communications for our nation's warfighters. We seek technical individuals who will thrive in a highly collaborative work environment of small teams, using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.
You will join a Systems Engineering team defining the next generation of space communication systems supporting Air Force Military Satellite Communications. You will support Systems Engineering & Integration activities in a multidisciplinary and collaborative environment. The Systems Integration Engineer will interface and collaborate with SE&I team members, contractors, government civilians and members of the USAF. The Systems Integration Engineer will lead and support several working groups responsible for leading technical discussion, resolve and identify risk, requirement gaps, developing briefings, writing and tracking action items, and authoring meeting minutes.
Key Responsibilities:
  • Develop and implement integration strategies and processes to successfully integrate satellite communication systems, segments (Ground, Space, Crypto, Terminals), subsystems, elements, and components; manage the technical baselines among different stakeholders
  • Perform analysis of the systems requirements that define the technical baseline and verification of the technical baseline
  • Apply Digital Engineering methods and modeling strategies (i.e. Digital twins) to support integration and test activities
  • Work with Government and contractor personnel to close gaps of customer requirements among the programs; support major requirements reviews, design reviews, and other associated meetings
  • Lead and support Government/Contractor Working Group meetings-by developing briefings, leading discussion, and writing minutes-to address/resolve risks, issues, and action items
  • Review proposed changes to the technical baseline for impacts to enterprise capabilities and to cross-stakeholder integration concerns
  • Define and deliver alternative of solutions to address different integration challenges; manage schedule impact and overall delivery of products
  • Facilitate review of program documents by providing comments, compiling other reviewer comments, and working with contractor to adjudicate the comments.
  • Serve as a subject matter expert to assess technical issues and to prepare briefings to U.S. Space Force program office personnel and other stakeholders; provide courses of actions to support Government decisions
  • Support management of risks, issues, interdependencies, identifying schedule disconnects and conflicts, developing action plans for resolution, and assisting the Government in executing selected solutions

Qualifications
Required:
  • Active Secret clearance required with the ability to obtain a Top Secret clearance
  • Bachelor's degree
  • 15+ years demonstrated experience in Systems Engineering
  • Experience with MILSATCOM, such as AEHF, PTS, EPS, WGS, and FAB-T terminal programs
  • Experience working with military and DoD civilians
  • Experience with ground and airborne systems, such as terminals and networks
  • Strong interpersonal skills, communication (oral and written), and presentation skills
  • Proficient in Microsoft Office products (Word, Excel, Powerpoint)
  • Due to security requirements, work is required to be on-site in a secure facility

Desired:
  • TS/SCI (or eligible) clearance
  • BS degree in technical field, such as engineering, mathematics, physics, or computer science
  • MS degree in technical field (such as engineering, mathematics, physics, or computer science) or Space Systems
  • Experience with mission planning, COMSEC/TRANSEC, or key management
  • Demonstrated strong Systems Engineering and Technical Leadership experience
  • Knowledge and experience in Agile Development and collaboration tools (Jira/Confluence)

About Us
SAIC® is a premier mission integrator focused on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that modernize and enable critical national imperatives.
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.

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