315 entry level software developer jobs at 108 companies in Castaic, CA
5d
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Entry-Level Software Engineer
Dallas or Seattle or Houston or San Francisco or Chicago or Philadelphia or El Segundo or Atlanta or New York
$80k-$92k/yr HybridFull Time
Pursuing a Bachelors or Masters in MIS, Computer Science, or Computer Engineering (graduation Dec 2026–Aug 2027); legal US work authorization without sponsorship; software development or internship experience; strong communication and problem-solving skills.
AWS, Azure, Google Cloud, Databricks, PySpark, CI/CD, Docker, Terraform, Azure OpenAI, AWS Bedrock, LangChain, Python, Java, SQL, JavaScript, .NET, React, Angular
1mo
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Software Engineer, iOS, Level 4
Los Angeles or Santa Monica or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$133k-$235k/yr OnsiteFull Time
2+ YOEBachelor's degree or equivalent, 2+ years post-Bachelor software development experience, iOS development experience, strong CS fundamentals, Objective-C/iOS expertise, multithreading and performance optimization skills.
Objective-C, Swift, C/C++, OpenGL, Metal
1mo
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Software Engineer, Backend, Level 4
Santa Monica or Los Angeles or New York City or Bellevue or Seattle or San Francisco or Palo Alto
$157k-$235k/yr OnsiteFull Time
2+ YOEBachelor's in CS or equivalent experience, 2+ years post-degree software development experience, distributed systems/backend experience, strong collaboration skills, proficiency with Java/C++/Python and cloud/NoSQL systems, ability to use AI tools responsibly.
Java, C++, Python, NoSQL, Memcache, Redis, Kubernetes, Google services, AWS services, AI tools
1w
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Software Engineer - Level 2
Redondo Beach or Aurora or Gilbert
$79k-$138k/yr OnsiteFull Time
2+ YOEBachelor's or Master's-level education or equivalent experience,2+ years relevant experience,active TS/SCI clearance or ability to obtain,advanced OOP and C++ skills,experience with Linux and DevSecOps tools.
C, C++, Java, Python, Perl, Red Hat Enterprise Linux, Confluence, Jira, Bitbucket, Bamboo, git
2d
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
Bachelor's degree in computer science, engineering, or related field, or equivalent practical experience; programming proficiency and software development experience required.
Java, Python, C#, JavaScript, AWS, Microsoft Azure, Google Cloud, Docker, Kubernetes
6d
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Software Engineer - Level 2 (AHT)
Redondo Beach or Aurora or Gilbert
$79k-$138k/yr OnsiteFull Time
2+ YOEBachelor's degree with 2 years relevant experience or Master's; active SCI or TS with ability to obtain SCI; strong C++ and Linux experience; DevSecOps and scripting (C, Java, Python, Perl) preferred.
C++, Red Hat Enterprise Linux, C, Java, Python, Perl, Confluence, Jira, Bitbucket, Bamboo, git
3mo
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Jr. Software Developer
Los Angeles, California, United States
OnsiteFull Time
2+ YOEEntry-level to two years of web app experience; degree in a technical field; proficiency in C#/.NET; HTML/CSS/JS; SQL Server; SSRS; Power BI; Git.
C#, ASP.NET, Razor, CSHTML, Microsoft SQL Server, T-SQL, SSRS, Power BI, HTML, CSS, JavaScript, Bootstrap, Git
1mo
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Software Engineer (Starshield)
Hawthorne, California, United States
$125k-$175k/yr OnsiteFull Time
2+ YOEBS in CS/engineering/math or 2+ years software development experience; development experience in C, C++, or Python; ability to obtain Top Secret/SCI clearance; willingness to work extended hours and weekends.
C, C++, Python, Linux, Linux kernel, TCP, UDP
2mo
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Full Stack Software Engineer (Entry-Junior)
Los Angeles, California, United States
OnsiteFull Time
2+ YOE2+ years professional software engineering experience, proficiency with JavaScript/TypeScript and React, basic backend/API/database knowledge, bachelor's degree in CS or equivalent experience, strong problem-solving and collaboration skills.
JavaScript, TypeScript, React
1mo
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Software Engineer
Ventura or United States
$140k-$175k/yr RemoteFull Time
2+ YOE2+ years building production software; full‑stack experience (TypeScript/Node, React/React Native); familiarity with Postgres, NATS, Redis; active use of AI tooling (Claude Code, Cursor); strong communication and systems awareness.
TypeScript, Node, Postgres, NATS, Redis, React, React Native, Node.js, Claude Code, Cursor, Claude, Bedrock
1w
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Software Engineer–Developers (Associate / Experienced / Senior)
El Segundo, California, United States
$106k-$232k/yr OnsiteFull Time
2+ YOEBachelor's degree (or equivalent) and 2+ years software development, experience with C/C++, Java or Python, software integration and testing, Agile/Scrum, and ability to obtain U.S. Secret clearance.
Java, C++, Python, ReactJS
2mo
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Software Engineer, Tech Ops
Santa Monica or Los Angeles or United States
$135k-$167k/yr HybridFull Time
2+ YOE2+ years software engineering or systems integration experience; proficiency in TypeScript and/or Python; API and third-party integration experience; experience using AI developer tools (Cursor, Copilot, Claude).
TypeScript, Python, Cursor, Copilot, Claude, NetSuite, Okta, ADP, Google, Salesforce
1mo
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Software Engineer
El Segundo or Los Angeles or San Francisco or Berlin or United States or China
$100k-$130k/yr HybridFull Time
2+ YOE2+ years web and Shopify development experience; strong Liquid, React, HTML/CSS/JavaScript, and Shopify API skills; Bachelor’s degree in a related field; fluent English; U.S. work authorization; Mandarin preferred.
Shopify, Liquid, HTML, CSS, JavaScript, React, Shopify APIs, Shopify Plus, Microsoft Teams, Zoom
2mo
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Embedded Software Engineer
Redondo Beach, California, United States
$120k-$155k/yr OnsiteFull Time
1+ YOEDevelop embedded C/C++ code for avionics; implement low-level processor and control functions; experience with microcontrollers, comms protocols (I2C, CAN, SPI, UART) and hardware debug tools.
C/C++, oscilloscopes, logic analyzers, hardware debuggers, source-level debuggers, I2C, CAN, SPI, UART, MIPI CSI-2, USB, microprocessors, microcontrollers
1mo
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Software Engineer I
Los Angeles, California, United States
$91k-$111k/yr HybridFull Time
1+ YOEBachelor's in a quantitative field, 1+ year production software experience, strong Python and SQL skills, familiarity with testing and Git, and effective communication.
Python, FastAPI, Pydantic, GitHub Actions, Snowflake, Prefect, Git, SQL, Azure, Docker, Dagster, Airflow
3w
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Reactor Software Engineer I/II
Los Angeles, California, United States
$120k-$160k/yr OnsiteFull Time
Antares: Designing and manufacturing microreactors for defense and space missions.
0+ YOEBachelor's degree in CS/EE or related; 0–5 years depending on level; strong Python 3, hardware-integrated software experience, Git, testing, and ability to obtain U.S. export authorizations (ITAR).
Python, asyncio, Git, pytest, MQTT, NATS, DDS, ZeroMQ, gRPC, C, C++, Rust, Linux
1mo
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Founding Software Engineer
Torrance, California, United States
OnsiteFull Time
2+ YOE2+ years shipping production-grade software; frontend TypeScript and backend Python or Go experience; track record of shipping at scale; ability to work with hardware and manufacturing; must meet U.S. ITAR eligibility.
TypeScript, Python, Go, Argos, Argos Sim, CAD
1w
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Software Engineer–Developers (Associate / Experienced / Senior)
El Segundo, California, United States
$106k-$232k/yr OnsiteFull Time
2+ YOEBachelor's degree,2+ years software development experience,C/C++/Java/Python/ReactJS experience,Agile/Scrum experience,ability to obtain U.S. DoD Secret clearance;U.S. person required.
Java, C++, Python, ReactJS
1mo
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Software Engineer
Columbus or Boston or Chicago or Austin or Los Angeles or United States or Canada or United Kingdom or Australia
$125k-$165k/yr HybridFull Time
2+ YOE2+ years building web applications, backend services, or APIs. Experience using AI agents in engineering workflows, testing and CI/CD, and familiarity with PHP/Laravel, Vue.js, AWS Serverless, MySQL, or DynamoDB is a plus.
Claude Code, Cursor, PHP, Laravel, Vue.js, MySQL, DynamoDB, Kubernetes, AWS, Serverless, CI/CD, lambdas
1mo
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Software Engineer
Irving or San Francisco or Los Angeles
$74k-$137k/yr HybridFull Time
2+ YOEB.S. in CS or related required; 2+ years Java experience; Unix and shell scripting; professional experience with Spring, Hibernate, Maven, Git; SQL and relational DB experience; Hadoop, Spark, Scala, Docker, Kubernetes, AWS are pluses.
Java, Unix, Unix Shell Scripts, Spring, Hibernate, Maven, Git, SQL, Hadoop, Spark, Scala, Docker, Kubernetes, AWS, HBase, Ansible, Postgres, Angular, HTML, JavaScript
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