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65 custom software engineer jobs at 41 companies in Los Angeles, CA

3w
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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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1w
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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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12h
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Software Engineer, Partner Engineering
United States or Redwood City or Los Angeles or New York City
$141k-$205k/yr RemoteFull Time
Liftoff
Liftoff: AI-powered performance marketing platform for the mobile app economy
5+ YOERequires 5+ years of related experience, a bachelor's degree, programming proficiency, strong SQL and big data analysis skills, troubleshooting ability, and customer-focused communication.
Golang, Python, JavaScript, Java, SQL
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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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1d
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Embedded Software Engineer
El Segundo, California, United States
$160k-$230k/yr OnsiteFull Time
GRAM
GRAM: Developing self-replicating robotic systems for space infrastructure.
Bachelor’s degree or equivalent experience; shipped C or C++ on custom electromechanical products; experience with RTOS or embedded Linux, hardware bring-up, drivers, real-time systems, and physical interfaces.
C, C++, RTOS, embedded Linux, CAN, EtherCAT, Ethernet, SPI, I2C, UART, Yocto
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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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2mo
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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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6d
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Customer Relationship Management (CRM) Software Developer II
Fullerton, California, United States
OnsiteFull Time
California State University
California State University: Public university system providing higher education and academic research.
2+ YOEBachelor's degree in a related field and two years of relevant experience or equivalent; software development, CRM, database, integration, analytical, communication, and project management skills required.
Customer Relationship Management (CRM), SQL, Microsoft Excel, JSON, ETL, APIs, Dell Boomi, Apex, .NET, Java, XML
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2w
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Systems Engineer
Indianapolis or Newbury Park
FieldFull Time
ATS Corporation
ATS CorporationTSX: ATS: Provides advanced automation solutions and systems for global manufacturers.
Bachelor's degree in software or related engineering, strong documentation and testing skills, SDLC experience, customer support experience, network connectivity knowledge, fluent English.
DeltaV, SAP, OPC, SQL, MQTT
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2d
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Solutions Engineer, Pro Products
United States or Atlanta or Los Angeles or Salt Lake City or California
$98k-$105k/yr RemoteFull Time
ServiceTitan
ServiceTitanNASDAQ: TTAN: Cloud-based business management software for home service contractors.
1+ YOERequires 1–2 years of solutions engineering or related sales, product, or engineering experience, strong communication, technical software expertise, and ability to solve complex customer workflow challenges.
ServiceTitan
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3w
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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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6d
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Senior Director, Software Engineering – Customer Content Platform
Eagan or Frisco or New York City or Toronto or San Francisco or Los Angeles or Irvine or McLean or Washington
$159k-$295k/yr HybridFull Time
Thomson Reuters
Thomson ReutersNASDAQ: TRI: Provides professional software, data, and news services globally.
12+ YOE5+ Mgmt12+ years of software engineering experience, including 5+ years leading engineering managers and distributed teams, with expertise in enterprise-scale data platforms, distributed systems, compliance, migrations, and reliability.
Electronic Medical Records (EMR), Microsoft Excel, iManage, NetDocuments, Microsoft SharePoint, HighQ, Box, Dropbox, Google Drive, MCP
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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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1w
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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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3w
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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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