94 Results for

Principal Software Engineer Jobs in Manhattan Beach, CA

Jobs

Principal Software Engineer - PA 105 Zoominfo Technologies Inc

Remote

$163,800–$257,400 / year

Integrations: Native connectors and APIs that link ZoomInfo to CRM, marketing automation, sales engagement, data warehouse, and BI platforms (Salesforce, HubSpot, Marketo, Outreach, Snowflake, and others), processing millions of records daily. Define and evolve scalable, fault-tolerant, event-driven architecture on Java/Spring Boot, Node.js/NestJS, Kafka, and workflow orchestration platforms such as Temporal or Google Cloud Workflows.

3 days ago

Principal Software Engineer, Engine & Tools - League Of Legends Riot Games

Los Angeles, CA

$229,200–$319,500 / year

We do this by continuing to evolve and deliver new experiences to players with games like Teamfight Tactics, Legends of Runeterra, VALORANT, and League of Legends: Wild Rift. Experience applying AI to software development workflows, including using or integrating AI-powered tools to improve engineering productivity and code quality.

10 days ago

Principal Software Engineer & Architect SCAN Health Plan

Long Beach, California

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The AI & Cloud Architect defines and governs the architecture that powers SCAN’s AI and automation capabilities, from model hosting and vector databases to API orchestration and MCP servers.

9 days ago

Principal Software Engineer, CDN (Starlink) SpaceX

Hawthorne, CA

$255,000–$340,000 / year

To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.

24 days ago

Principal Software Engineer (Platform Team) SpaceX

Hawthorne, CA

$200,000–$285,000 / year

Bachelor’s degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.

24 days ago

Principal Software Engineer, Continuous Integration (Starship) SpaceX

Hawthorne, CA

$200,000–$285,000 / year

Aerospace experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving problems and want to be a force multiplier for building world class software that is critical to SpaceX’s mission to make life multiplanetary. 7+ years of software engineering experience and a Bachelor's degree in computer science, engineering, math, or STEM discipline; OR 9+ years of professional experience in software development in lieu of a degree.

24 days ago

[Remote] Principal Software Engineer - AI Convoso

Woodland Hills, California

Remote

$200,000–$230,000 / year

LLM Implementation: Extensive experience developing production-grade features using LLM APIs (OpenAI, Claude, etc.), including context window management, prompt optimization, and cost-monitoring. AI Reliability & Testing: Hands-on ability to create automated unit and functional testing suites specifically designed to validate non-deterministic AI agent outputs and workflows.

16 days ago

Principal Software Engineer Marqeta Inc

$242,400–$303,000 / year

A strong track record on data consistency under concurrency, covering idempotency, distributed transaction patterns, reconciliation, the tradeoffs between at-least-once and exactly-once delivery, and how you recover when a downstream system partially applies a write. As Marqeta's Principal Software Engineer on this team youll own the technical roadmap for the core platform, stand up high-impact projects and drive them to completion, and partner with engineering leaders on operational excellence across the org.

25 days ago

Principal Software Engineer AeroVironment Inc

Moorpark, CA

$147,000–$224,250 / year

A BS degree in Computer Science/Engineering, Electrical Engineering, Aerospace, Mechanical Engineering or related field is required or equivalent combination of education, training, and experience. Leads development of rapid prototyping and conceptual level testing and will require estimating time to develop software and scoping the depth of the development with project/program management to fit timeline and budget constraints.

15 days ago

Principal/Sr.Principal Software Engineer Level 3/4 Northrop Grumman Corp

Northridge, CA

The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate''s experience, education, skills and current market conditions. For Principal Embedded Software Engineer: Bachelor''s degree in a STEM discipline and 5+ years of experience or Master''s degree in a STEM discipline and 3 years of experience.

2 days ago

Principal Software Engineer (Platform Team) Space Exploration Technologies

Hawthorne, CA

$200,000–$285,000 / year

BASIC QUALIFICATIONS: Bachelor's degree in computer science, computer engineering, or other engineering discipline and 7+ years of professional experience building and scaling production platforms; OR 9+ years of professional experience building and scaling production platforms in lieu of a degree. This team creates secure, scalable gateways and proxy systems that allow engineers and operators across the company to write code faster, perform advanced data analysis, connect AI to their daily tools and problems, and turn ideas into deployed solutions with confidence.

30+ days ago

Principal Software Engineer, CDN (Starlink) Space Exploration Technologies

Hawthorne, CA

$255,000–$340,000 / year

You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan. BASIC QUALIFICATIONS: Bachelor's degree in computer science, engineering or other STEM discipline AND 10+ years of professional experience in software development; Or 12+ years of software development experience in lieu of a degree.

30+ days ago

Principal Software Engineer, Continuous Integration (Starship) Space Exploration Technologies

Hawthorne, CA

$200,000–$285,000 / year

Aerospace experience is not required to be successful here - rather we look for smart, motivated, collaborative engineers who love solving problems and want to be a force multiplier for building world class software that is critical to SpaceX's mission to make life multiplanetary. BASIC QUALIFICATIONS: 7+ years of software engineering experience and a Bachelor's degree in computer science, engineering, math, or STEM discipline; OR 9+ years of professional experience in software development in lieu of a degree.

30+ days ago

Principal Software Engineer KBR Inc

El Segundo, CA

$150,000–$190,000 / year

Unlike engineers dedicated to a single application or team, this position operates across multiple development efforts, helping solve complex technical challenges, accelerate delivery, improve architectural consistency, and support integration across mission systems. The successful candidate will be equally comfortable writing production code, reviewing architectural decisions, mentoring development teams, and collaborating with systems engineers, product owners, and mission stakeholders.

30+ days ago

Principal Software Engineer, CDN Starlink Space Exploration Technologies Corp

Hawthorne, CA

$255,000–$340,000 / year

ITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.

30+ days ago

Principal Software Engineer CoStar Group

Irvine, California

Our CoStar development team is looking for an experienced Principal Software Engineer to own the architecture and design of our software systems, from full stack web products to high-volume, secure data pipelines. 10+ years of hands-on experience in designing highly complex enterprise-level web applications, including deep knowledge of microservices, serverless, data, and web applications.

30+ days ago

Principal Product Software Engineer The Walt Disney Company

Santa Monica, New York

Job Posting Segment: Product Engineering Job Posting Primary Business: PE - Growth, Commerce & Identity Primary Job Posting Category: Product Software Engineering Employment Type: Full time Primary City, State, Region, Postal Code: New York, NY, USA Alternate City, State, Region, Postal Code: USA - CA - Market St Date Posted: 2026-08-13 Disney Entertainment and ESPN Product & Technology is a global organization of engineers, product developers, designers, technologists, data scientists, and more – all working to build and advance the technological backbone for Disney’s media business globally.

9 days ago

Sr. Principal Software Engineer Aerovironment

Moorpark, CA

$170,000–$272,000 / year

Advanced degree in Computer Engineering, Computer Science, Electrical Engineering, Math, or Physics is required or equivalent combination of education, training, and experience. In order to comply with the requirements of the ITAR and/or the EAR, applicants must qualify as a U.S. person under the ITAR and the EAR, or a person to be approved for an export license by the governing agency whose technology comes under its jurisdiction.

30 days ago

Principal Software Engineer, Engine & Tools - League of Legends Riot Games Inc

Los Angeles, CA

10 days ago

Principal Devsecops Software Engineer Aerovironment

Simi Valley, CA

$147,000–$224,250 / year

Strong software engineering skills with proficiency in C/C++, Java, Golang, and/or Python languages, including a sound understanding of common data structures, algorithms, object-oriented programming, and development workflows. Works closely with other software developers and, as appropriate, systems engineering, cybersecurity, and infrastructure personnel to design and reuse developed software and development tools to support different programs.

30+ days ago

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Principal Software Engineer Jobs in Manhattan Beach, CA

Principal Software Engineer - PA 105 Zoominfo Technologies Inc

Principal Software Engineer, Engine & Tools - League Of Legends Riot Games

Principal Software Engineer & Architect SCAN Health Plan

Principal Software Engineer, CDN (Starlink) SpaceX

Principal Software Engineer (Platform Team) SpaceX

Principal Software Engineer, Continuous Integration (Starship) SpaceX

[Remote] Principal Software Engineer - AI Convoso

Principal Software Engineer Marqeta Inc

Principal Software Engineer AeroVironment Inc

Principal/Sr.Principal Software Engineer Level 3/4 Northrop Grumman Corp

Principal Software Engineer (Platform Team) Space Exploration Technologies

Principal Software Engineer, CDN (Starlink) Space Exploration Technologies

Principal Software Engineer, Continuous Integration (Starship) Space Exploration Technologies

Principal Software Engineer KBR Inc

Principal Software Engineer, CDN Starlink Space Exploration Technologies Corp

Principal Software Engineer CoStar Group

Principal Product Software Engineer The Walt Disney Company

Sr. Principal Software Engineer Aerovironment

Principal Software Engineer, Engine & Tools - League of Legends Riot Games Inc

Principal Devsecops Software Engineer Aerovironment

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