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Sr. Software Engineer (Torrance, CA)

Rapiscan Systems
Torrance, CA Full Time
POSTED ON 1/9/2026
AVAILABLE BEFORE 12/16/2026
Overview

Rapiscan Systems is an industry leader in detection technology, providing cargo and vehicle inspection systems and services for ports, borders, military, high-threat facilities, and checkpoints to help customers combat terrorism, drug smuggling, illegal immigration, and trade fraud. We offer a broad array of scanning system configurations that leverage low-, medium-, and high-energy X-ray technology-or multiple X-ray technologies-to address each customer's unique security application requirements. Our commitment to excellence in imaging performance, innovative design, and uncompromising quality ensures our solutions consistently deliver best-in-class imaging, high reliability, and operator satisfaction, to help customers find threats and contraband with ease and confidence.

We are looking for a Sr. Software Engineer to join our team. This individual will plan, design, develop and test software systems or applications for software enhancements and new products.

Responsibilities

  • Evaluate and analyze requirements and operational problems.
  • Maintain, build up, and port legacy products.
  • Creating and building applications from the ground up.
  • Design and implement efficient, reliable and scalable applications.
  • Deliver high quality code.
  • Integrate and deploy the software to variety systems.
  • Stay on the leading edge of development practices.
  • Uphold the company’s core values of Integrity, Innovation, Accountability, and Teamwork.
  • Demonstrate behavior consistent with the company’s Code of Ethics and Conduct.
  • It is the responsibility of every employee to report to their manager or a member of senior management any quality problems or defects in order for corrective action to be implemented and to avoid recurrence of the problem.
  • Duties may be modified or assigned at any time to meet the needs of the business.

Qualifications

  • BS degree in Computer Science. Similar technical field of study or equivalent practical experience may be substituted in lieu of degree.
  • 7 years of relevant work experience in software development on Windows platform (Linux nice to have).
  • Solid computer science fundamentals (e.g., data structures, algorithms).
  • Experienced in:
    • Languages: C , C#, Python, XML, XSD
    • Development tools: Visual Studio, InstallShield
    • Operating Systems: Windows
    • Source code management: GitLab, Bitbucket
    • Databases: SQLite, SQL Server
    • Other tools: JIRA, Doxygen, Wireshark
  • AD/LDAP, directory services implementation and integration experience.
  • Experience with DirectX 11.
  • Deep knowledge of large scale, real-time, multithreaded and networked application development.
  • Ability to jump into complex legacy systems to help debug, design and create new features for.
  • Strong analytical and problem-solving skills.
  • Strong verbal and written communication skills.
  • Knowledge of X-ray System Software Architecture and X-ray Products desired.
  • Ability to pass an in-depth background check - Sensitive Security Information (SSI).
# LI -KB1

Please review our benefits here: Life at OSI The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location and date of hire. Please note that the salary information shown above is a general guideline only. Salaries are based upon candidate experience and qualifications, as well as market and business considerations.

NOTICE TO THIRD PARTY AGENCIES

OSI Systems, Inc. and its subsidiaries (collectively “OSI”) does not accept unsolicited resumes from recruiters or employment agencies. If any person or entity, including a recruiter or agency, submits any information, including any resume or information regarding any potential candidate, without a signed agreement in place with OSI, OSI explicitly reserves the right to use such information, and pursue and/or hire such candidates, without any financial obligation to the person, recruiter or agency. Any unsolicited information or resumes, including those submitted directly to hiring managers, are considered and deemed to be the property of OSI.

Equal Opportunity Employer - Disability and Veterans

Know Your Rights

Poster Link

https://www.eeoc.gov/sites/default/files/2023-06/22-088_EEOC_KnowYourRights6.12ScreenRdr.pdf

OSI Systems, Inc. has three operating divisions: (a) Security, providing security and inspection systems, turnkey security screening solutions and related services; (b) Healthcare, providing patient monitoring, diagnostic cardiology and anesthesia systems; and (c) Optoelectronics and Manufacturing, providing specialized electronic components and electronic manufacturing services for original equipment manufacturers with applications in the defense, aerospace, medical and industrial markets, among others.

Salary.com Estimation for Sr. Software Engineer (Torrance, CA) in Torrance, CA
$108,306 to $131,692
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