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53 custom software engineer jobs at 29 companies in Whittier, CA

2w
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Software Engineer, Backend (Agentic AI)
Marina Del Rey, California, United States
$200k-$250k/yr HybridFull Time
Sift
Sift: Software platform for high-frequency hardware telemetry observability.
3+ YOE3+ years software engineering; backend APIs and distributed systems experience; experience with Go, Python, or Rust; Kubernetes and production operation; customer-facing product ownership.
Go, Python, Rust, REST, gRPC, ECharts, PostgreSQL, Protobuf, Radix, React, Redux, TypeScript, Arrow, DataFusion, Flink, Parquet, Argo CD, AWS, Docker, GitHub Actions, Grafana, Kubernetes, Kustomize, Linux, Prometheus, Terragrunt, Kafka, TimescaleDB
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6d
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Software Engineer
El Segundo, California, United States
$140k-$190k/yr OnsiteFull Time
Smack Technologies
Smack Technologies: Develops defense-focused AI software for national security applications.
Professional experience building and operating production backend systems; proficiency in Python or Go and a strongly typed language; API and Kubernetes experience; deployment and operational skills; ability to support on-site customer integrations.
Python, Go, Java, C#, C++, REST, gRPC, GraphQL, Kubernetes
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1mo
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Software Developer (Salesforce)
Irvine, California, United States
$100k-$155k/yr HybridFull Time
Hyundai Capital
Hyundai Capital: Provides automotive financing and insurance services for vehicle customers.
5+ YOE5–7 years Salesforce development experience; strong Apex, Flow, Salesforce customization, integrations, APIs, asynchronous processing, and CI/CD; bachelor\u0002s degree preferred.
Salesforce, Apex, Flow, APIs, CI/CD
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1mo
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Senior Software Engineer, Fullstack
Playa Vista or United States
$160k-$190k/yr HybridFull Time
Thrive Market
Thrive Market: Membership-based online grocery store selling natural and organic products.
5+ YOE5+ years building and operating high-traffic customer-facing systems; strong CS fundamentals, OO and relational DB design; experience with eventing (Kafka, SNS, SQS), workflow (Temporal, Airflow), PHP/Magento, React/Next, AWS, and observability (New Relic, Datadog).
Kafka, SNS, SQS, Temporal, Airflow, DAGs, PHP, Magento, React, Next, AWS Lambda, S3, CloudWatch, New Relic, Datadog
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3mo
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Senior Systems Software Engineer
Los Angeles or Remote- US
$145k-$195k/yr HybridFull Time
Zoo
Zoo: Develops infrastructure and AI-powered tools for hardware design.
Senior systems, platform, or infrastructure engineering with Rust expertise; strong backend/infrastructure focus; experience with distributed systems, databases, APIs, and IaC; autonomous, proactive, and customer-focused.
Rust, Databases, API design, Distributed systems, Infrastructure as code, Containers, React
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1mo
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Staff Software Engineer, Network Expansion
Santa Monica or New York City or Seattle
$220k-$250k/yr HybridFull Time
Metropolis
Metropolis: Computer vision technology for checkout-free parking and retail payments.
10+ YOEMS/BS in Computer Science or equivalent, 10+ years building distributed, customer-facing systems; experience with microservices, event-driven architectures, CI/CD, TDD/BDD, MySQL/Postgres; strong communication and cross-functional leadership; ability to work on-site in Santa Monica, NYC, or Seattle.
TypeScript, React, Scala, Java, MySQL, PostgreSQL, Snowflake, AWS, Git, GitHub, Copilot, Claude Code, Datadog
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1mo
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Senior Robotics Software Engineer, Simulation & Evaluation
Irvine, California, United States
$155k-$180k/yr OnsiteFull Time
Field AI
Field AI: Develops autonomous software brains for robots in unstructured environments.
3+ YOE3+ years developing robotics simulation tools or related robotics software; strong C++ and/or Python skills; experience with Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, or custom simulators; familiarity with ROS2, URDF/SDF, and debugging simulator-to-robot gaps.
C++, Python, Isaac Sim, Gazebo, MuJoCo, Unity, Unreal, ROS2, URDF, SDF, Omniverse, USD, PhysX, Docker, CMake, Bazel, GitHub Actions
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1mo
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Software Developer (Salesforce)
Irvine, California, United States
$100k-$155k/yr HybridFull Time
Hyundai Capital
Hyundai Capital: Provides automotive financing and leasing for Hyundai Motor Group.
5+ YOE5–7 years Salesforce development experience; strong Apex, Flow, Salesforce customization, integrations, APIs, and CI/CD knowledge; preferred Salesforce certifications and Financial/Automotive Cloud experience; bachelor's degree preferred.
Apex, Flow, Salesforce, Financial Services Cloud, Automotive Cloud, APIs, CI/CD
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2w
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Deployed Engineer
Los Angeles, California, United States
$120k-$160k/yr OnsiteFull Time
Apex
Apex: Mass-manufactures standardized satellite buses for commercial and government use.
Bachelor's in a technical field, strong software engineering background, experience troubleshooting lab/integration/field systems, familiarity with Linux/Python/C/C++, ability to read technical documentation, and willingness to travel to customer sites.
Linux, Python, C/C++, Networking, test automation, APIs
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1mo
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Customer Success Automation Engineer
San Francisco or Culver City or Dallas or Los Angeles
HybridFull Time
Altruist
Altruist: Provides a digital custodian and portfolio management platform for advisors.
5+ YOE5+ years software engineering with production experience; strong product instincts; experience with LLMs, agent frameworks, Python, APIs, webhooks, Salesforce; customer-focused and data-driven.
Python, LLMs, OpenAI, Anthropic, Gemini, LangChain, LlamaIndex, CrewAI, RAG architectures, APIs, webhooks, Salesforce, Service Cloud, Experience Cloud, Apex, Flow, Salesforce APIs
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1mo
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Senior Fullstack Engineer - Growth + Onboarding
New York City or San Francisco or Los Angeles
$180k-$210k/yr HybridFull Time
Pivotal Health
Pivotal Health: AI platform automating healthcare insurance claim disputes for providers.
6+ YOE2+ Mgmt6+ years software engineering experience with recent backend work, 2+ years managing engineers, experience with integrations and third-party APIs, customer-facing communication, Python familiarity, and Bachelor's in STEM preferred.
EDI, 835/837, HL7, FHIR, ICD-10, CPT, Epic, Cerner, SFTP, Python
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6d
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Sr. Principal Application Engineer
Irvine or San Jose
$175k-$225k/yr OnsiteFull Time
Celero Communications
Celero Communications: Developing high-performance coherent DSP technology for AI connectivity.
8+ YOE8+ years experience in DSP/optical communications, bachelor’s (or higher) in engineering/physics, ability to travel 25–40%, strong DSP and optics fundamentals, hardware/software debugging, documentation and customer-facing communication skills.
Python, MATLAB
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1mo
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Forward Deployed Engineer
El Segundo, California, United States
$143k-$165k/yr OnsiteFull Time
Istari Digital
Istari Digital: Provides digital engineering software for aerospace and defense industries.
Strong software engineering fundamentals; hands-on experience with CAD/CFD/FEM toolchains; ability to work onsite with U.S. defense/aerospace customers; U.S. citizenship and clearance eligibility required.
CAD, CFD, FEM, Model-Based Systems Engineering (MBSE)
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2w
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Senior Product Engineer, 0→1
Los Angeles or United States
$170k-$185k/yr HybridFull Time
Revenue.io
Revenue.io: AI platform providing real-time guidance for sales professionals.
4+ YOE4+ years software engineering building customer-facing, full-stack products; experience with APIs, SQL, AI-augmented workflows; strong product judgment and 0→1 experience.
APIs, SQL, Salesforce
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2w
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Staff Forward Deployed Engineer
Chicago or Los Angeles or San Francisco or Seattle or Menlo Park
$150k-$280k/yr OnsiteFull Time
JLL
JLLNYSE: JLL: Global commercial real estate and investment management services.
8+ YOE8+ years software engineering with embedded customer-facing delivery, AI agent and data pipeline experience, hands-on with AI coding assistants and AWS Bedrock AgentCore, strong architecture and communication skills.
Claude, Cursor, GitHub Copilot, AWS Bedrock AgentCore, AgentCore, Model Context Protocol (MCP)
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1mo
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Robotics Engineer: Applications
Tijuana or Mexicali or Los Angeles
$360k-$580k/yr FieldFull Time
GrayMatter Robotics
GrayMatter Robotics: Develops autonomous robotic systems for industrial surface finishing applications.
2+ YOE2+ years hands-on hardware and software experience in manufacturing automation, Linux proficiency, remote support, bilingual Spanish/English, willingness to travel to customer sites up to 75%, and authorization to work in Mexico.
Linux, ROS, Python, C++
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1mo
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Forward Deployed Engineer
Los Angeles or San Francisco
$120k-$250k/yr OnsiteFull Time
Hadrian
Hadrian: Building autonomous factories for aerospace and defense manufacturing.
Build end-to-end customer solutions, integrate and extend the Opus platform, develop production-grade software, work directly with customers and operators, and use AI-enabled tools to accelerate discovery and delivery.
Opus, GitHub
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3w
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Forward Deployed Engineer (FDE) - Public Sector, Nonprofit & Education
McLean or Maryland or Chicago or West Virginia or Virginia or Irvine or Indianapolis or San Francisco or New York City or Dallas or Denver or Atlanta or Austin
$89k-$288k/yr HybridFull Time
Salesforce
SalesforceNYSE: CRM: Sells cloud-based customer relationship management and business software solutions.
3+ YOE3+ years software engineering or technical delivery experience, customer-facing delivery experience, production systems experience, proficiency with Python/JavaScript/TypeScript/Java/Apex, hands-on LLM and data integration experience.
Cursor, Claude, Vibes, Agentforce, Python, JavaScript, TypeScript, Java, Apex, LangChain, LlamaIndex, Snowflake, Databricks, BigQuery
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1w
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Senior Spacecraft GNC Engineer II
Long Beach, California, United States
$162k-$243k/yr OnsiteFull Time
Rocket Lab
Rocket LabNASDAQ: RKLB: Designs and builds launch vehicles and satellite systems.
8+ YOEBS and 8+ years GNC/ADCS experience, US eligibility for ITAR-regulated work, experience with flight software, simulation, testing, customer interfacing, and team mentoring.
Jira
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1mo
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AI Data Engineer
Santa Monica or United States
$80k-$100k/yr HybridFull Time
UJET
UJET: Cloud-native AI-powered contact center platform for customer service.
Bachelor's in CS or equivalent; production data-pipeline/integration engineering experience; strong SQL; cloud provider and IAM experience; git/CI workflow; customer-facing technical communication; comfortable using LLM APIs.
git, CI, LLM APIs, Temporal, OAuth, Salesforce JWT Bearer, AWS CDK, Terraform, ClickHouse, BigQuery, Snowflake, Redshift, DuckDB, Anthropic, OpenAI, AWS Bedrock, SQL
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