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386 mid level software engineer jobs at 195 companies in Fontana, CA

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Software Configuration Management (Associate, Mid-Level)
Seal Beach, California, United States
$77k-$130k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designs and manufactures aircraft, defense systems, and space technology.
1+ YOEActive U.S. Secret security clearance required (U.S. citizenship). Configuration management experience; 1+ years related experience for associate (level 2) or 3+ years for mid-level (level 3). NDIA certification, Automated Builds and DevSecOps experience preferred. Willingness to relocate at own expense.
Automated Builds, DevSecOps
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2mo
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Software Engineer
United States or Irvine
$110k-$130k/yr RemoteFull Time
Stretto
Stretto: Software and advisory services for bankruptcy and restructuring professionals.
5+ YOE5+ years software development; Bachelor's degree in software engineering or computer science; strong backend and frontend skills; AWS experience; SQL and CI/CD knowledge.
Java, Spring, JSF, Hibernate, Spring JPA, Node.js, ReactJS, Angular, CSS, HTML, AWS, EC2, ECS, AWS Lambda, S3, SQS, SQL, Python
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Software Engineer
Huntington Beach, California, United States
$130k-$200k/yr OnsiteFull Time
Layup Parts
Layup Parts: Manufactures high-speed composite parts and tooling for aerospace.
4+ YOE4+ years professional software engineering experience. strong fundamentals, reliability, and collaboration in fast-paced environments. startup experience preferred. experience with manufacturing systems is a plus.
Go, Typescript, Rust
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Software Engineer
Los Angeles, California, United States
OnsiteFull Time
ALKEME Insurance
ALKEME Insurance: Insurance brokerage and risk management services provider.
Bachelor's in CS/Engineering or equivalent, proven software development experience with Java/Python/C#/JavaScript, familiarity with web frameworks and databases, strong problem-solving and communication skills.
Java, Python, C#, JavaScript, React, Angular, Node.js, SQL, NoSQL
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Software Configuration Management (Associate, Mid-Level)
Seal Beach, California, United States
$77k-$130k/yr OnsiteFull Time
Boeing
BoeingNYSE: BA: Designing and manufacturing commercial aircraft and defense systems.
1+ YOEActive U.S. Secret security clearance required (U.S. person). Configuration management experience; 1+ years (level 2) or 3+ years (level 3). NDIA certification preferred. Experience with automated builds and DevSecOps preferred. Willingness to relocate at own expense.
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Sr. Software Engineer, Enterprise Software
Atlanta or Palo Alto or Irvine
$123k-$184k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
4+ YOEBachelor’s in CS/Engineering or equivalent, 4+ years software engineering experience, proficiency in Python/Go/TypeScript, experience with React/Angular/Next.js, Postgres/MYSQL/NoSQL, AWS/Azure/GCP, Docker/Kubernetes, and observability tools.
Python, Go, TypeScript, React, Angular, Next.js, Postgres, MYSQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, Copilot, Cursor, Claude Code, Grafana, LGTM, DataDog, Splunk
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Software Engineer
Minnetonka or Cypress
$73k-$130k/yr OnsiteFull Time
UnitedHealth Group
UnitedHealth GroupNYSE: UNH: Provides health insurance and technology-enabled health care services.
3+ YOEBachelor's degree or equivalent; 3+ years software engineering experience with microservices, REST APIs, React, containerization (Docker/Kubernetes), cloud (Azure preferred or AWS), IaC (Terraform), CI/CD (Jenkins/GitHub Actions); familiarity with AI/ML, LLMs, OpenAI, and cloud monitoring.
AWS, Terraform, CloudWatch, TensorFlow, PyTorch, Azure Monitor, Splunk, Grafana, React JS, OpenAI, GitHub Copilot, Jenkins, GitHub Actions, Microsoft .NET Core, C#, Python, JavaScript, Docker, Kubernetes, Microsoft Azure
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3mo
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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
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Software Engineer, Diagnostics
Garden Grove, California, United States
$140k-$180k/yr OnsiteFull Time
Harbinger
Harbinger: Produces electric chassis platforms for medium-duty commercial transport vehicles.
Automotive software engineering with UDS/CAN/ODX, strong Python and C++ skills, diagnostics and unit testing experience, ECU/vehicle hardware validation, and familiarity with ISO 26262; Android development preferred.
UDS, CAN, ODX, Python, C++, Ethernet, LIN, CANdela Studio, Android, ISO 26262
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Ground Software Engineer
Torrance or Los Angeles
$123k-$150k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
3+ YOE3+ years software engineering experience or relevant degree; experience with Rust, TypeScript/Vue, backend/frontend development, APIs, SQL, Docker/Kubernetes, networking and data streaming; strong collaboration and mentoring skills.
Rust, TypeScript, Vue, Go, C++, Java, C#, JavaScript, React, Svelte, Docker, Kubernetes, WebSockets, Server-Sent-Events (SSE), HTTP, gRPC, SQL, PostgreSQL, NATS, Pulsar, TCP/IP, UDP, QUIC, SOC2, FedRAMP
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Software Development Engineer
Irvine, California, United States
$170k-$220k/yr HybridFull Time
Jiffy: Sells blank apparel and custom printed clothing online.
5+ YOE5+ years software engineering; BS in CS/Engineering; AI coding agents experience; server-side language; frontend React/TypeScript; databases; code review.
AI agents tools, Ruby on Rails, Solidus / Spree, GraphQL, React, Kubernetes, RSpec, Vitest, Playwright
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Software Engineer II
Seattle or Glendale
$123k-$165k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces media content and operates global theme parks.
3+ YOE3+ years professional software development; strong Python skills; hands-on GenAI or conversational AI experience; familiarity with retrieval/embeddings/vector search, prompt engineering, API integration, LLMOps, and AI developer tools; Bachelor’s degree required.
Python, Azure, Azure OpenAI, Azure AI Foundry, Azure Functions, Azure App Service, Application Insights, AWS, GCP, Microsoft Teams, Snowflake Cortex, Cortex Analyst, MongoDB, Atlas Vector Search, Docker, Cursor, Claude Code, CI/CD
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Software Engineer
Toronto or Denver or Fishers or Los Angeles or Krakow
$120k-$150k/yr HybridFull Time
Intellistack
Intellistack: Offers a no-code platform for forms and workflow automation.
3+ YOE3+ years backend engineering experience; strong Java and Spring Boot skills; experience with REST APIs, Kafka, Kubernetes, cloud platforms; knowledge of identity (OAuth 2.0, OIDC, SSO, SCIM). Bachelor's in CS/Engineering or equivalent.
Java, Spring Boot, Python, RESTful APIs, Kafka, Kubernetes, OAuth 2.0, OpenID Connect (OIDC), SSO, SCIM, AWS, Azure, Google Cloud Platform, Okta, Auth0, Ping Identity, Keycloak, Terraform, OpenTelemetry, Datadog, Grafana
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2mo
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Software Engineer, Engineering Tools
Long Beach, California, United States
OnsiteFull Time
SpinLaunch
SpinLaunch: Develops kinetic launch systems and broadband satellite constellations.
B.S. in CS or software engineering; strong Python; YAML/JSON validation; Git/CI-CD; Linux; test automation; autonomous work; strong communication.
Python, Git, Linux, YAML, JSON, CI/CD, Pydantic, NumPy, SciPy, pandas, matplotlib, Plotly, Dash, Streamlit, Dagster, Airflow, InfluxDB, TimescaleDB, MLflow, Docker, SCPI, VISA, PyVISA, IVI, GPIB, LXI
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2mo
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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
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Simulation Software Engineer
Los Angeles, California, United States
OnsiteFull Time
Revel
Revel: Modern software platform for controlling complex hardware systems.
Bachelor's or Master's in CS/Software Engineering, strong C++ and/or Rust, knowledge of physics/applied math, modern engineering practices (testing, code reviews, CI/CD), strong problem-solving and communication.
C++, Rust, TypeScript, Python
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Software Engineer, Mission Autonomy
Huntington Beach, California, United States
$130k-$230k/yr OnsiteFull Time
Mach Industries
Mach Industries: Designs and manufactures autonomous unmanned aerial vehicles for defense.
3+ YOEStrong C++ and Python skills, Linux production experience, autonomy/robotics or aerospace software experience, mission-planning and decision-making expertise, system-level debugging and integration skills.
C++, Python, Linux, Rust
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Software Engineer II
Seattle or Glendale
$118k-$165k/yr HybridFull Time
The Walt Disney Company
The Walt Disney CompanyNYSE: DIS: Produces movies, operates theme parks, and provides streaming services.
3+ YOE3+ years professional software development; strong Python; hands-on GenAI/conversational AI, retrieval/embeddings/vector search, prompt engineering, API/backend integration, LLMOps and MCP/tool-calling exposure; Bachelor's degree required; use of AI developer tools (Cursor, Claude Code).
Python, Azure OpenAI, Azure AI Foundry, Azure Functions, Azure App Service, Microsoft Application Insights, Microsoft Teams, Snowflake Cortex, Cortex Analyst, MongoDB, Atlas Vector Search, Docker, Cursor, Claude Code, AWS, GCP
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Software Engineer 3- Ink
Los Angeles or Los Gatos
$180k-$266k/yr OnsiteFull Time
Netflix
NetflixNASDAQ: NFLX: Provider of global streaming entertainment and video content.
3+ YOE3+ years software engineering experience, familiarity with scalable inference/training technologies, strong communication, secure systems experience, and eagerness to learn GenAI tools.
Claude Code
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Software Engineer II - MES
Long Beach, California, United States
$108k-$135k/yr OnsiteFull Time
Rocket Lab
Rocket LabNasdaq: RKLB: Operates launch vehicles and manufactures satellites for space missions.
2+ YOE2+ years software development; degree in Software Engineering, Computer Science, Electrical Engineering or related field; proficiency in C#; experience with TypeScript frameworks (Angular); relational databases and REST APIs.
C#, TypeScript, Angular, AWS, Docker, Kubernetes, Elasticsearch, REST APIs, Relational databases
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