247 software integration engineer jobs at 107 companies in Fallbrook, CA

1mo
Save
Mark Applied
Hide
Software Deployment & Integration Engineer
El Segundo or Hawthorne or Los Angeles or Washington or San Francisco or San Diego or Seattle or London
$145k-$220k/yr OnsiteFull Time
CHAOS Industries
CHAOS Industries: Develops advanced radar and sensing systems for modern defense.
3+ YOEBachelor's in STEM or equivalent experience, 3+ years in systems/software integration or test engineering, strong Linux administration, Python/Bash scripting, networking, system bring-up, test automation, and clear technical documentation skills.
Python, Bash, Linux, Ubuntu, Docker, Microsoft Azure CLI, Jsonnet, Ansible, Playwright, Selenium, Cypress, chrony, linuxptp, timemaster, PTP, NTP, GNSS
2w
Save
Mark Applied
Hide
Software Integration & Test Engineer I
San Diego, California, United States
$80k-$100k/yr OnsiteFull Time
Innoflight
Innoflight: Designs and manufactures compact cyber-secure avionics for space missions.
1+ YOE1+ year experience in software integration or test engineering, strong Python proficiency, ability to develop automation, troubleshoot software/hardware interfaces, document test procedures, and obtain U.S. security clearance.
Python, C/C++, JavaScript, SQL, Linux
3w
Save
Mark Applied
Hide
Software Integration Test Engineer -SCADA
Irvine or Houston
$65k-$105k/yr HybridFull Time
ETAP
ETAP: Electrical power system modeling and analysis software solutions.
2+ YOE2+ years testing software integrations or enterprise/industrial applications; REST API and OPC UA familiarity; basic power systems understanding; strong troubleshooting and communication; U.S. work authorization required.
Postman, Swagger, Insomnia, OPC UA, Wireshark, Fiddler, JSON, XML, SQL, Python, PowerShell, Jira, REST APIs, OAuth
1mo
Save
Mark Applied
Hide
Software Integration Engineer, ADAS
Garden Grove, California, United States
$120k-$180k/yr OnsiteFull Time
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Significant firmware and embedded systems experience with microcontrollers; proficiency in C/C++, Python, Embedded Linux, automotive networking (CAN, CAN FD, Automotive Ethernet, SOME/IP), diagnostics (UDS, DTCs, XCP), performance profiling, and system-level debugging.
C/C++, Python, Embedded Linux, ROS2, DDS, MCAP, ROS bag, Git, Wireshark, CANoe, CANalyzer, GDB, tcpdump, SOME/IP, DoIP, UDP, TCP, CAN, CAN FD, Automotive Ethernet, UDS, DTCs, XCP, CI/CD, SIL, HIL
1mo
Save
Mark Applied
Hide
Autonomy Integration Software Engineer
Poway, California, United States
$140k-$175k/yr FieldFull Time
Applied Intuition
Applied Intuition: Developing software and simulation infrastructure for autonomous vehicles.
5+ YOEMS/PhD in robotics/CS or 5+ years experience, proficiency with Linux, Python and/or C++, experience with robotic systems and sensors, CI/CD tooling, knowledge of inter-vehicle communication protocols, U.S. citizenship and ability to obtain security clearance.
Linux, Python, C++, PX4, ROS, Jenkins, GitLab, ROS2, DDS, UDP
2w
Save
Mark Applied
Hide
Senior Software Engineer, Sensor Integration
Irvine, California, United States
$191k-$253k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
3+ YOE3+ years integrating or developing remote sensing systems; strong engineering background (CS, Software Engineering, Math, or Physics); proficiency in C++ and Rust; experience with large data processing; eligible for U.S. Secret clearance.
C++, Rust, Lattice OS
2mo
Save
Mark Applied
Hide
Lead Software Integration & Test Engineer
Woburn or Boston or Arlington or Dayton or Melbourne or Carlsbad
$170k-$220k/yr OnsiteFull Time
Systems & Technology Research
Systems & Technology Research: Develops advanced technology for national security and defense applications.
8+ YOEAbility to obtain Top Secret clearance, Bachelor's in CS or related with 8+ years experience, strong modern C++ skills, multi-threading and performance optimization, test/integration experience, GitLab and CI/CD familiarity, leadership and mentoring ability.
C++, GitLab, CI/CD, DevSecOps, GPU, RDMA
2w
Save
Mark Applied
Hide
Sr Principal Software Engineer - Integration and Test
San Diego, California, United States
$142k-$213k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Develops and manufactures advanced aerospace, defense, and space systems.
8+ YOEBachelor or higher in STEM with multi-year engineering experience; experience with software integration, SDLC, installation/integration/acceptance testing, and ability to obtain Security+ and Special Program Access.
Unix, Windows, Confluence, JIRA
2mo
Save
Mark Applied
Hide
Staff Integration & Test Software Engineer
Irvine or United States
$171k-$214k/yr HybridFull Time
Rivian and Volkswagen Group Technologies
Rivian and Volkswagen Group Technologies: Joint venture focused on software-defined vehicles and embedded systems.
8+ YOE8+ years Python and embedded software experience; strong QA and testing expertise; CI/CD familiarity; good communication; fast-paced work mindset.
Python, pytest, GitLab CI, Embedded software, Firmware testing
1mo
Save
Mark Applied
Hide
Screening & Integration Engineer, Watch Software
San Diego, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Strong observational and analytical skills, user empathy, and passion for quality to help deliver and validate Apple Watch software.
4w
Save
Mark Applied
Hide
Software Developer
Poway, California, United States
$106k-$190k/yr OnsiteFull Time
General Atomics
General Atomics: Designs and manufactures unmanned aircraft and nuclear technology systems.
8+ YOERequires advanced software engineering experience for complex integrated systems, ability to lead/mentor, support integration and releases, and obtain DoD security clearance.
4d
Save
Mark Applied
Hide
Lead Silicon Software and Hardware Integration Engineer
San Diego or Kent or Austin
$230k-$323k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
7+ YOE7+ years experience in signal processing/RF or system integration, Bachelor’s in EE/CompEng/CS, proficiency in C/C++ and Python, SoC and RF transceiver knowledge, hands-on lab bring-up experience, US work-authorization required.
C, C++, Python, PCIe, I2C, SPI, Altium Designer, Cadence Allegro, Linux kernel, logic analyzer, spectrum analyzer, network analyzer, oscilloscope
1w
Save
Mark Applied
Hide
Senior Software Engineer, Autonomous Pilot Integration – Weapons (R5427)
Washington or San Diego or Boston or Dallas
$163k-$245k/yr OnsiteFull Time
Shield AI
Shield AI: Develops autonomous flight software and unmanned aircraft for defense.
5+ YOEBS/MS or equivalent experience, typically 5+ years relevant experience, strong C++ and embedded/Linux skills, system integration and field-test experience, ability to obtain SECRET clearance.
C++, Linux, PX4, ArduPilot, HivemindSDK, Python, Docker, CMake, Conan, CI/CD, UCI, OMS, MOSA, WOSA, TAK/CoT
2mo
Save
Mark Applied
Hide
Software Engineer (Range Systems)
Corona, California, United States
$115k-$150k/yr HybridFull Time
Saalex
Saalex: Provides engineering, IT, and mission support for defense agencies.
7+ YOE7+ years in systems/software engineering; experience with hardware/software integration; proficiency in C++, Java, Python, or C#; DoD or defense program exposure is a plus.
C++, Java, Python, C#, TCP/IP
1w
Save
Mark Applied
Hide
Staff Software Engineer, Software Systems
San Diego, California, United States
$187k-$201k/yr OnsiteFull Time
Brain Corp
Brain Corp: Develops AI software for commercial autonomous mobile robots.
7+ YOEBachelor's or Master's in CS/SE/Robotics,7+ years software engineering,expert modern C++ and Python,embedded/robotics experience,HAL and middleware design,hardware integration,Linux and performance optimization.
C++11, Python, Linux, MQTT, CMake, Google Test, Git
5d
Save
Mark Applied
Hide
Senior Integration Test Engineer
San Diego, California, United States
HybridFull Time
SAIC
SAICNASDAQ: SAIC: Provides government and defense clients with technology and engineering services.
6+ YOEU.S. citizen with active Secret clearance, AA+6yrs or HS+8yrs experience; ≥1yr software testing; proficiency with Python, Bash, Docker, Selenium, RHEL, and Agile.
Python, Bash, Docker, Selenium, Red Hat Linux (RHEL), Agile
1mo
Save
Mark Applied
Hide
Senior Software Engineer
Arlington or Mount Laurel or San Diego or Fall River
$135k-$273k/yr HybridFull Time
Innovative Defense Technologies
Innovative Defense Technologies: Develops automated software and systems to rapidly deliver mission-critical capabilities to U.S. government customers.
7+ YOEBachelor's degree or equivalent, 7+ years software engineering experience, able to obtain/maintain Secret U.S. security clearance, experience leading/mentoring, expertise in SDLC, OOP, distributed systems, secure coding, testing, and integration.
SDLC, Service-Oriented Architecture (SOA), AI, Generative AI
1d
Save
Mark Applied
Hide
Senior Software Engineer - Salesforce
Santa Ana, California, United States
$129k-$172k/yr RemoteFull Time
First American Financial
First American FinancialNYSE: FAF: Provides title insurance and settlement services for real estate.
7+ YOE7+ years software engineering experience delivering Salesforce enterprise solutions; proficiency with LWC, Apex, integrations, APIs, CI/CD, and AI-enabled Salesforce capabilities.
Salesforce Financial Services Cloud, Sales Cloud, Service Cloud, Data360, Agentforce, Lightning Web Components (LWC), Apex, REST, SOAP, CI/CD
1w
Save
Mark Applied
Hide
Senior Associate- Software Engineer
Irvine or Englewood
$110k-$150k/yr OnsiteFull Time
Redwood Trust
Redwood TrustNYSE: RWT: Provides residential and commercial mortgage financing and investment services.
5+ YOEBachelor's degree,5+ years software engineering or fintech experience,strong Python and SQL,Azure and REST API integration experience,ETL and data quality skills,Git/CI-CD and Agile,ability to integrate vendor financial platforms.
Python, SQL, Microsoft Azure, Azure Functions, Azure Container Apps, Azure Kubernetes Service (AKS), Azure API Management (APIM), Azure Storage, Microsoft Entra ID (Azure AD), Managed Identities, Azure Key Vault, REST APIs, JSON, XML, SQL Server, Azure SQL Database, Bloomberg TOMS, Bloomberg MARS, Workday Financials, TPG Accounting Subledger, FIS Integrity, Git, CI/CD, Agile, ETL
2mo
Save
Mark Applied
Hide
Senior Software Engineer
Huntington Beach, California, United States
$145k-$185k/yr OnsiteFull Time
Volund Manufacturing
Volund Manufacturing: Designs and manufactures jet engines for defense and aerospace.
3+ YOE3+ years professional software engineering; full-stack experience across frontend, backend, and infrastructure; experience with Go, React + TypeScript, cloud (Azure), Kubernetes and Terraform; familiarity with Teamcenter/Odoo integrations and security/compliance (ITAR, CMMC, NIST). Must be a U.S. person.
Vorion, Teamcenter, Odoo, React, TypeScript, Go, TanStack Query, RxJS, Redis, Kubernetes, Docker, Terraform, Azure, CI/CD pipelines, ITAR, EAR, CMMC, NIST SP 800-171, DFARS