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Trading System Developer Jobs in California (NOW HIRING)

System Design Engineer

Milpitas, CA · On-site

$116K - $159K/yr

... engineering teams to optimize overall system performance ... Conduct trade studies and evaluate design alternatives balancing performance, cost, reliability ...

System Design Engineer

Milpitas, CA · On-site

$116K - $159K/yr

... engineering teams to optimize overall system performance ... Conduct trade studies and evaluate design alternatives balancing performance, cost, reliability ...

Mission Systems Engineer

Pasadena, CA · On-site

$106K - $163K/yr

Support system-level requirements development, interface definition, verification planning, and ... trade studies. * Develop and review mission architecture products, technical analyses, and ...

JR System Engineer

El Segundo, CA · On-site

$92K - $112K/yr

Participate in trade studies to identify improvements in system performance, architecture, and software/hardware solutions * Contribute to engineering tradeoff analyses and assist in formulating ...

Senior Systems Engineer

Redondo Beach, CA · On-site

$110K - $151K/yr

Drive mission-level and system-level trade studies balancing performance, cost, schedule ... Ensure engineering documentation is complete, accurate, reviewable, and usable by cross-functional ...

... system of systems. This is not a traditional systems engineering organization. We design and ... Define the architecture, cross‑domain trades, interface control, and configuration maturity that ...

System Engineer (Senior)

Seal Beach, CA · On-site

$146K - $197K/yr

System Engineer (Senior) Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a ... Support design trade studies, risk assessments, and technical decision-making; capture rationale ...

System Engineer (Senior)

Seal Beach, CA · On-site

$146K - $197K/yr

System Engineer (Senior) Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a ... Support design trade studies, risk assessments, and technical decision-making; capture rationale ...

System Engineer (Senior)

Seal Beach, CA · On-site

$146K - $197K/yr

System Engineer (Senior) Company: The Boeing Company Boeing Defense, Space & Security (BDS) seeks a ... Support design trade studies, risk assessments, and technical decision-making; capture rationale ...

Showing results 41-60

Trading System Developer information

What does a trading system developer do?

A Trading System Developer designs, builds, and maintains software used for automated or algorithmic trading. They work with programming languages like C++, Python, or Java to create efficient, low-latency systems for executing trades. Their responsibilities include optimizing performance, integrating financial data, and ensuring system reliability. They often collaborate with traders, quantitative analysts, and infrastructure teams to refine algorithms and improve execution speed.

What skills and qualifications are needed to thrive as a trading system developer?

To thrive as a Trading System Developer, you need strong programming skills (usually in C++, Java, or Python), knowledge of financial markets, and a degree in computer science, engineering, or related fields. Familiarity with low-latency trading platforms, FIX protocol, and version control systems like Git is essential, and certifications such as CFA or FRM can be advantageous. Excellent problem-solving abilities, analytical thinking, and effective communication are key soft skills for collaborating with traders and other technical teams. These competencies are vital to ensure the reliability, efficiency, and scalability of high-stakes trading systems in a dynamic financial environment.

Infographic showing various Trading System Developer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 78% Full Time, 16% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution.

Space System Architect Engineer

El Segundo, CA • On-site

$258K/yr

Full-time

Medical, Retirement, PTO

Posted 21 days ago


Job description

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded research and development center (FFRDC), we are broadly engaged across all aspects of space- delivering innovative solutions that span satellite, launch, ground, and cyber systems for defense, civil and commercial customers. When you join our team, you'll be part of a special collection of problem solvers, thought leaders, and innovators. Join us and take your place in space.

The Enterprise Effects Division (EED) drives integration of Aerospace's strategic capabilities across the national space enterprise. The division leverages a broad array of engineering disciplines against a wide-ranging and dynamic portfolio of programs, customers, and national challenges. EED spans the capability lifecycle from concept and architecture design to performance assessment to application of space and space-enabled capabilities.

The Architecture Concepts Department (ArCon) provides expertise in architecture methods, processes, and tools to an extremely broad range of customers, including National Space Security (NSS) and other defense programs, NASA, NOAA, NNSA, DHS, and others. ArCon staff participate in and lead architecture trade studies, architecture conceptualization studies, architecture modeling tasks, and program assessment analyses at multiple levels of complexity, ranging from prototype systems to full scale acquisition systems in the space, ground, communications, and network domains. ArCon applies disciplined system architecting principles and leads cross-functional teams to provide impactful guidance to assist our customers in making key acquisition and operations decisions.

Work Model: This position will follow an in-person work model at Aerospace's campus inEl Segundo, CA.

What You'll Be Doing

  • Lead and participate in architecture studies ofcomplexsystem concepts, to include multi-disciplinary engineering teams, supporting problem framing, gap analysis, and trade space assessment

  • Work with Aerospace program office, customer, and contractor personnel as a technical subject matter expertto elicit and identify needs, requirements, and constraints for studies; mentor junior staff;support thescoping, planning, and execution ofthe study; andeffectivelycommunicate task status, methods, results, and recommendations in briefings and formal technical reports

  • Define system capabilities, system of systems interfaces,and requirements forspaceandintersegment system architectures to address user needs and perspectives

What You Need to be Successful

Minimum Requirements forEngineering Specialist:

  • Bachelorof Sciencedegreeengineering, science, or a related technical field

  • At least8years of engineering experiencein the space, intelligence, and/or defense domains

  • Proficiencyin system or enterprise architecting, systems engineering, concept design, and/or model-based systems engineering

  • Excellent oral and written communication skills, including the ability to present methods and results effectively in briefings, formal reports, and informal communications

  • Excellent interpersonal skills and ability to work effectively withteams,customers, Aerospace program offices, and contractors; to collaborate with other functional organizations within Aerospace; and to mentor and develop junior staff

  • Exceptional time-management skills with the ability to manage multiple concurrent projectsand schedule commitments

  • Available and willingto traveldomestically and internationally approx.5-10%

  • A current and active Top Secret/SCI security clearance issued by the U.S. government. U.S. citizenship is required to obtain a security clearance

How You Can Stand Out

It would be impressive if you have one or more of these:

  • Master's and/or Ph.D.in engineering, math, science, or related technical discipline

  • Demonstrated initiative to innovate, shape, drive, and improve the efficiency and effectiveness of tasks, projects, or organizations

  • Demonstrated success in organizing and leading cross-functional, cross-organizational teams to execute studies and assessments and generate quality products

  • More relevant work and/or graduate school experience, greater than 5 years, in system or enterprise architecting, systems engineering,ormodel-based systems engineering

  • More relevant work and/or graduate school experience, greater than 5 years, in spaceorintersegmentsystems

  • Hands-on experience with system or enterprise modeling in the Systems Modeling Language (SysML), Unified Architecture Framework (UAF), or Unified Profile for DoDAF and MODAF (UPDM)

  • Experience working closely with key Aerospacecustomer agenciesin the defense and intelligence community, including strong knowledge of their domainand strong professional networks

We offer a competitive compensation package where you'll be rewarded based on your performance and recognized for the value you bring to our business. The grade-based pay range for this job is listed below. Individual salaries within that range are determined through a wide variety of factors including but not limited to education, experience, knowledge and skills.

(Min - Max)

$117,300.00 - $175,900.00Pay Basis: Annual

Leadership Competencies

Our leadership philosophy is simple: every employee, regardless of level and role, can demonstrate leadership. At Aerospace, our commitment is our people. To cultivate our talent and ensure that we have a strong pipeline of future leaders, we want individuals who:

  • Operate Strategically
  • Lead Change
  • Engage with Impact
  • Foster Innovation
  • Deliver Results

Ways We Reward Our Employees

During your interview process, our team will provide details of our industry-leading benefits.

Benefits vary and are applicable based on Job Type. A few highlights include:

  • Comprehensive health care and wellness plans

  • Paid holidays, sick time, and vacation

  • Standard and alternate work schedules, including telework options

  • 401(k) Plan - Employees receive a total company-paid benefit of 8%, 10%, or 12% of eligible compensation based on years of service and matching contributions; employees are immediately eligible and vested in the plan upon hire

  • Flexible spending accounts

  • Variable pay program for exceptional contributions

  • Relocation assistance

  • Professional growth and development programs to help advance your career

  • Education assistance programs

  • An inclusive work environment built on teamwork, flexibility, and respect

We are all unique, from various backgrounds and all walks of life, yet one thing bonds all of us to each other-the belief that we can make a difference. This core belief empowers us to do our best work at The Aerospace Corporation.

Equal Opportunity Commitment

The Aerospace Corporation is an equalopportunity employer. All qualified applicants will receive consideration for employment and will not be discriminated against on the basis of race, age, sex (including pregnancy, childbirth, and related medical conditions), sexual orientation, gender, gender identity or expression, color,religion,geneticinformation, marital status, ancestry, national origin, protected veteran status, physical disability, medical condition, mental disability, or disability status and any other characteristic protected by state or federal law. If you're an individual with a disability or a disabled veteran who needs assistance using our online job search and application tools or need reasonable accommodation to complete the job application process, please contact us by phone at 310.336.5432 or by emailatpeoplemangmnt.mailbox@aero.org .You can also reviewKnow Your Rights: Workplace Discrimination is Illegal.