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375 custom software engineer jobs at 233 companies in Union City, CA

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Custom Software Engineer 6321038
Walnut Creek or Mountain View or San Francisco
$28-$38/hr OnsiteFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
1+ YOEMinimum 1 year experience, including 1 year Python development; HS diploma/GED required; Python 2.x experience and bachelor's degree in CS preferred.
Python, Python 2.x
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1w
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Senior Software Engineer - Custom Data
San Francisco, California, United States
$160k-$240k/yr OnsiteFull Time
Bloomberg
Bloomberg: Delivers financial data, news, and software to global markets.
4+ YOE4+ years backend engineering experience, strong system design and debugging, Python and C++ proficiency, familiarity with Kafka and Cassandra, degree in CS or equivalent.
Python, C++, Kafka, Cassandra, Redis, HBase, Docker, Kubernetes
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1w
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Senior Software Engineer, Networking Software
Santa Clara or Texas or Washington or California
$152k-$288k/yr HybridFull Time
NVIDIA
NVIDIANASDAQ: NVDA: Designs GPU-accelerated computing and artificial intelligence hardware.
5+ YOE5+ years experience in software or networking roles, strong C skills, knowledge of networking protocols and high-performance networking, EMbedded systems experience, customer-facing engineering experience.
DPDK, DOCA, BlueField, ConnectX, RDMA, NCCL, CUDA
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3d
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Software Engineer, Agents
San Francisco, California, United States
$259k-$351k/yr HybridFull Time
Benchling: Cloud platform for biotechnology research and development.
2+ YOE2+ years professional software engineering experience; backend (Python) and frontend (React) experience; product sense; familiarity with LLMs and AI; customer collaboration and rapid iteration.
Python, React, Benchling, LLMs
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1mo
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Senior Software Engineer, Auto
Columbus or Austin or San Francisco or New York City or United States or Canada
$167k-$231k/yr RemoteFull Time
Upstart
UpstartNasdaq: UPST: AI-powered lending marketplace for consumer and automotive loans.
4+ YOE4+ years software engineering experience; experience designing, building, testing, and deploying production software; experience with customer-facing product features and cross-functional collaboration; bachelor's degree in CS/Engineering/Math or equivalent experience.
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2w
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Software Engineer (Frontend)
San Francisco, California, United States
OnsiteFull Time
Petra Security
Petra Security: AI-powered identity threat detection for Microsoft 365 environments.
Frontend engineering experience building production React/TypeScript UIs; familiarity with Node and Python; strong product design sensibility, prototyping skills, and experience shipping customer-facing software.
React, TypeScript, Node, Python, Figma
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3d
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Senior Software Engineer, TuneLab
San Francisco or United States
$153k-$246k/yr HybridFull Time
Eli Lilly and Company
Eli Lilly and CompanyNYSE: LLY: Global pharmaceutical developing medicines for medical conditions.
5+ YOEBachelor's in CS/Engineering,5+ years software engineering,full‑stack and API experience,cloud and AI/LLM integration experience,ability to mentor engineers and ship customer-facing SaaS features;must be authorized to work in the US.
Cursor, Claude Code
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3mo
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Software Engineer, Applied AI
San Francisco, California, United States
$130k-$500k/yr OnsiteFull Time
Mercor
Mercor: Connecting expert human intelligence with frontier AI model development.
Strong software engineering in Python/Go/Rust; cloud deployments (AWS/GCP/Azure); ability to work with customers; autonomous in high-stakes environments.
Python, Go, Rust, AWS, GCP, Azure
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4d
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Software Engineer (Applied AI)
Cupertino, California, United States
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Staff-level software engineer with hands-on experience with LLMs and custom fine-tuned models, able to prototype, productionize, and scale AI solutions across organizations.
LLM, OpenAI, Anthropic, Gemini, Mistral, Llama, Defog, Nous Research
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2w
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Staff Software Engineer, Product
San Francisco or New York City
$250k-$295k/yr HybridFull Time
Unify
Unify: AI-powered platform for automating B2B sales outbound workflows.
8+ YOE8+ years software engineering experience, track record shipping at scale, infrastructure and mentorship experience, customer-focused, familiar with modern AI and backend stacks.
TypeScript, Prisma, Temporal, PostgreSQL, Kubernetes, Pulsar, ClickHouse, LLMs
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3w
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Software Engineer Sys 2
Fremont, California, United States
$86k-$183k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Manufacturing equipment used to fabricate advanced semiconductor microchips.
3+ YOEBachelor's in engineering with 3+ years experience (or Master's/equivalent); strong software troubleshooting, debugging, log analysis, customer-facing deployments, ability to read code, and strong communication skills.
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3w
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Software Engineer Sys 2
Fremont, California, United States
$86k-$183k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Designs and manufactures wafer fabrication equipment for the semiconductor industry.
3+ YOEBachelor's in computer/electrical/mechanical engineering (or Master's/equivalent), 3+ years experience, strong software troubleshooting, debugging, root-cause analysis, code review ability, customer-facing deployment experience, and strong communication skills.
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1mo
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Software Engineer - Customer Escalations - C++
Mountain View or United States
$120k-$200k/yr HybridFull Time
Omnissa
Omnissa: Provides AI-driven digital workspace and endpoint management software solutions.
3+ YOERequires U.S. citizenship and residence in the U.S.; 3+ years software engineering experience in customer engineering/support; expertise in C++, Python, PowerShell; experience with virtualization/cloud (vSphere, AWS, Azure), Windows/Linux, Active Directory, DNS, debugging tools and root-cause analysis; strong communication and teamwork.
C++, Python, PowerShell, WinDbg, Wireshark, vSphere, AWS, Azure, Horizon, Active Directory, DNS, Git, Perforce, JIRA, Jenkins
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2w
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Staff Software Engineer
Austin or Mountain View
$160k-$246k/yr HybridFull Time
General Motors
General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.
8+ YOEBachelor's or equivalent,8+ years software development experience building customer-facing web applications,expertise in web architecture,APIs,JS/TS,Next.js/React,operational ownership and mentoring.
Next.js, React, JavaScript, TypeScript
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4d
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Software Engineer, Frontend (Agentic AI)
San Francisco or Marina Del Rey
$160k-$200k/yr HybridFull Time
Sift
Sift: Software platform for high-frequency hardware telemetry observability.
3+ YOE3+ years professional software engineering experience; frontend expertise with high-performance web apps; experience with React/NextJS/TypeScript; strong product ownership and customer-facing skills.
React, NextJS, TypeScript, Redux, Tailwind, WebAssembly, D3.js, WebGL, Go, Parquet, Flink, Kafka, Redpanda, Beam, DuckDB, Timescale, QuestDB, InfluxDB, Druid, GitHub Actions, AWS, Azure, GCP, Docker, Kubernetes, Terraform, OPFS
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16h
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Software Engineer, Agent - Healthcare Integrations
San Francisco or New York
$180k-$390k/yr OnsiteFull Time
Sierra
Sierra: Conversational AI platform for building enterprise customer agents
8+ YOE8+ years software engineering experience with production healthcare integrations, strong knowledge of FHIR/HL7/OAuth and major EHRs, experience working with customers and building reusable platform capabilities.
FHIR, HL7, OAuth, EHR, Epic, athenahealth, Oracle Health, eClinicalWorks, MEDITECH, React, TypeScript, Go
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1mo
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Lead Software Engineer - (Forward Deployed Engineer)
Santa Clara, California, United States
$170k-$227k/yr HybridFull Time
Eightfold
Eightfold: A global AI-native enterprise talent platform serving large enterprise customers.
7+ YOE7+ years software engineering experience, strong backend skills (Java/Python/Scala), distributed systems and system design expertise, experience with enterprise customer escalations, frontend experience (React/Angular), cloud (AWS/GCP/Azure) familiarity, and mentoring ability.
Java, Python, Scala, React, Angular, AWS, GCP, Azure
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3w
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Senior Software Engineer, Customer Growth
San Francisco, California, United States
$179k-$273k/yr RemoteFull Time
Thumbtack
Thumbtack: Online marketplace connecting homeowners with local service professionals.
5+ YOE5+ years software engineering experience, fluent in at least one major language; experience with Go, Python, Php, relational databases (Postgres/MySQL), AI coding-agents, and production platform support.
Go, Python, Php, Swift, Kotlin, Java, Postgres, MySQL
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2w
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Senior Software Engineer
San Francisco, California, United States
$250k-$300k/yr HybridFull Time
Prolific
Prolific: Platform connecting researchers with verified participants for human data collection.
4+ YOE4+ years product engineering experience; full-stack development across Python and TypeScript/JavaScript stacks; production support, cloud deployment, and direct customer collaboration.
Python, Django, Fast API, TypeScript, JavaScript, Vue.js, SQL, NoSQL, MongoDB, PostgresSQL, GCP, Kubernetes, GitHub Actions, CircleCI, Datadog, Google Cloud Platform, AWS, Django Rest Framework, DynamoDB, Celery, EventBridge, DataDog
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1mo
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Software Engineer, Security
San Francisco, California, United States
OnsiteFull Time
Lassie: AI-powered automation platform for healthcare practice administration and billing.
Design and build security controls, audit logs, data protection, monitoring, and incident readiness; threat-model new workflows and partner with engineering to protect customer data.
Python, Django, Pydantic AI, Postgres, Redis, TypeScript, React, Tailwind, Google Cloud Platform, Vercel, Linear, Slack, Notion
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