Fullstack Software Developer Jobs in Vacaville, CA, US

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Senior Fullstack Software Engineer

San Francisco or Bangalore or Boston or Austin or Tokyo or London

OnsiteFull Time

Postman: Platform for building, testing, and managing software APIs.

8+ YOE8+ years experience building frontend or full-stack apps; strong JS/HTML/CSS; React or Next.js; data-driven decisions; ownership; collaboration; developer-focused mindset.

JavaScript, HTML, CSS, React, Next.js, MobX

3mo

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3mo

Fullstack Engineer

New York City or San Francisco or Miami

HybridFull Time

Dispatch: Connects and syncs data across wealth management software applications.

4+ YOE4-6 years fullstack experience; JS/TypeScript; React; API design; databases; frontend and backend proficiency.

React, TypeScript, Node.js, Golang, Fastify, PostgreSQL

1mo

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1mo

Fullstack Developer

San Francisco, California, United States

$145k-$160k/yr OnsiteFull Time

Civ Robotics: Automates construction site layout using autonomous robotic rovers.

4+ YOE4+ years full-stack development; BS/MS in CS/Software Engineering; JS/TS, React/Next.js/Node.js; UI frameworks; React Native; Electron; AWS; Git/JIRA; CI/CD; ROS/IoT a plus

JavaScript/TypeScript, React, Next.js, Node.js, UI frameworks, React Native, Electron, AWS, Git, JIRA, CI/CD pipelines, ROS

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Senior Software Engineer - Fullstack

San Francisco or New York City or London

$150k-$240k/yr OnsiteFull Time

Sigma Computing: Cloud-native analytics platform featuring a spreadsheet-style interface.

5+ YOE5+ years in software development; web apps; performance and security; team collaboration.

Rust, Go, GraphQL, TypeScript, APIs

2mo

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2mo

Fullstack Engineer

Bellevue or San Francisco or Sunnyvale

$108k-$165k/yr OnsiteFull Time

Scopely: Develops and publishes interactive mobile entertainment and video games.

1+ YOE1–3 years of professional software or game development; Unity experience with C#; basic backend concepts; cloud exposure (GCP/AWS/Azure); Git proficiency; strong problem solving and communication.

Unity, C#, Backend services, APIs, Google Cloud Platform, AWS, Azure, Git

2mo

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2mo

Software Engineer (Fullstack)

San Francisco, California, United States

$150k-$210k/yr HybridFull Time

OneCrew: SaaS platform for paving contractors to manage business operations.

3+ YOE3-6+ years software engineering in a high-velocity environment; familiarity with NodeJS, React, AWS, PostgreSQL; authorization to work in the United States.

NodeJS, React, AWS, PostgreSQL

2mo

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2mo

Senior Fullstack Engineer

San Francisco or New York City

$210k-$350k/yr OnsiteFull Time

Giga: Enterprise voice AI agents for automated customer support.

4+ YOE4+ years of fullstack experience; strong frontend (TypeScript/React) and backend (Python or similar); product-minded; ability to own features end-to-end.

TypeScript, React, Next.js, AWS, Modal, Kubernetes, Postgres, Python, Django, FastAPI, Node.js

1mo

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1mo

Senior Fullstack Engineer (Ruby / Python / React)

San Francisco, California, United States

HybridFull Time

CrewAI: Platform for orchestrating collaborative multi-agent AI systems.

7+ YOE7+ years development experience; strong Ruby fullstack, Python services, React; Rails preferred; English fluency; self-management; collaborative mindset.

Ruby, Python, React, Ruby on Rails

2mo

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2mo

Senior Software Engineer, Fullstack

Seattle or San Francisco

$165k-$240k/yr OnsiteFull Time

NexHealth: Digital patient engagement and health record synchronization platform.

5+ YOE5+ years of software engineering experience; strong communication; ability to own cross-functional projects; build customer-facing products.

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Fullstack Engineer, Trust Experience

Seattle or New York or San Francisco or Los Angeles

$180k-$230k/yr HybridFull Time

Whatnot: Social marketplace for buying and selling via live streams

3+ YOE3+ years in software development; BS in CS or related field; proficient in Python/Elixir/JavaScript; React + GraphQL; strong ownership and mentorship; shipping features quickly.

Python, Elixir, JavaScript, React, GraphQL, Next.js

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Senior Fullstack Engineer

Mountain View or New York City or Los Angeles or San Francisco

$150k-$210k/yr OnsiteFull Time

Commure: AI-powered software platform for healthcare workflow and administrative automation.

4+ YOE4+ years software development experience; strong backend/full-stack skills (Python); frontend JS frameworks; containers and cloud knowledge; strong communication and collaboration.

Python, Go, Typescript, React, Docker, Kubernetes, Vue

2mo

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2mo

Senior Fullstack Engineer, Patient Experience

San Francisco or Palo Alto

$170k-$220k/yr HybridFull Time

Midi Health: Provides virtual menopause and midlife healthcare for women.

6+ YOE6+ years of experience building scalable fullstack solutions; expert Django/DRF and React/Next.js; strong collaboration with non-engineering stakeholders; ownership of development lifecycle; emphasis on automated testing and high code quality; mentoring junior engineers.

Django, DRF, React, Next.js

1mo

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1mo

Staff Software Engineer, Fullstack (Marketing)

New York City or San Francisco or United States

$170k-$250k/yr RemoteFull Time

Flex: A financial platform allowing renters to split monthly rent payments.

7+ YOE7+ years software development; 3+ years Java; 3+ years React/React Native; 3+ years TypeScript; strong mobile/web UI; experience with Spring, AWS, SOA, REST, containers; data-driven onboarding focus.

Java, Spring, Gradle, JUnit, JVM, REST, SOA, AWS, EKS, Aurora, Elasticache, DynamoDB, React, React Native, TypeScript, CI/CD, GitHub Actions, DataDog, Snowflake, CDK, Terraform

1mo

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1mo

Senior Fullstack Engineer, Expansion Tooling

Mountain View or San Francisco

$213k-$270k/yr HybridFull Time

Waymo: Autonomous driving technology for ride-hailing and logistics.

5+ YOEBS in CS or related field or equivalent; 5+ years software development; expertise in modern web apps using Angular/React/Vue; strong HTML/CSS/JavaScript/TypeScript; good communication.

Angular, React, Vue, HTML, CSS, JavaScript, TypeScript, Mapbox, Deck.gl, D3.js

1mo

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1mo

Senior Fullstack Engineer, Community

San Francisco, California, United States

$200k-$300k/yr HybridFull Time

Patreon: Platform for creators to monetize content through fan memberships.

5+ YOE5+ years software development; React/Next.js/TypeScript/JavaScript; Python or similar; SQL; strong cross-functional communication; mentorship; BS in CS or related field.

React, Next.js, Typescript, JavaScript, Python, SQL

2mo

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2mo

Senior Fullstack Engineer, Agentforce for Supply Chain

New York or Bellevue or San Francisco

$149k-$224k/yr HybridFull Time

SalesforceNYSE: CRM: Provides cloud-based customer relationship management and business software.

5+ YOE5+ years of fullstack software development; strong JS/TS, HTML5, CSS3; frontend frameworks (React, Vue.js, or Angular); backend languages (Java, Python, Node.js); REST/GraphQL, microservices; SQL/NoSQL databases; cloud platforms (AWS, GCP, or Azure); CI/CD, Git, agile practices.

React, TypeScript, JavaScript, HTML, CSS, GraphQL, Go, PostgreSQL, Redis, REST, Java, Python, Node.js, Docker, Kubernetes, AWS, GCP, Azure, Git, CI/CD

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Founding Fullstack Engineer

San Francisco, California, United States

$120k-$170k/yr OnsiteFull Time

MathGPT: Personal AI tutor for every STEM student.

Experience building and shipping modern web apps end-to-end (React/Typescript); strong product sense; polished UI; strong communication; simplifies code.

React, Typescript, React Native, Expo

1mo

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1mo

Member of Technical Staff / Fullstack Engineer

San Francisco or New York or Berlin

RemoteFull Time

Clera: AI talent agent matching professionals with high-growth startup roles

Strong software engineering in TypeScript and React; practical AI experience; startup mindset.

TypeScript, React, Cursor, Supabase, Prisma, Typesense, LLM APIs, Trigger.dev

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Senior Fullstack Engineer, Solve

Austin or Madison or San Francisco

$145k-$217k/yr HybridFull Time

Zendesk: Provides cloud-based software for customer service and support.

3+ YOE3+ years of production software experience; backend-first with APIs, async systems, integrations, and real-time systems; ownership of features end-to-end; experience with real-time or event-driven tech such as WebSockets/WebRTC.

Python, FastAPI, React, TypeScript, WebRTC, Redis, MongoDB, LLM / speech

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Fullstack Engineer, Customer Success

Palo Alto or San Francisco

$130k-$220k/yr HybridFull Time

Pylon: API-first infrastructure for automated mortgage lending and operations.

Experience building for web apps; strong TypeScript/React/NestJS; ownership of features from design to deployment; customer-focused problem solving.

TypeScript, React, NestJS, GraphQL, SQL, PostgreSQL, Temporal.io

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Staff Fullstack Engineer

San Francisco or Los Angeles or Portland or Seattle

$214k-$235k/yr RemoteFull Time

CreatorIQ: Software for managing and measuring enterprise influencer marketing campaigns.

Senior staff engineer focused on AI/ML-driven backends, with Node.js, Python, React, TypeScript, and cloud experience (AWS/GCP), building scalable APIs, data pipelines, and cross-stack collaboration.

Node.js, Python, React, TypeScript, AWS, GCP, Aurora, RDS, S3

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Software Development Engineer

San Francisco or Denver or Austin or Seattle or Ottawa or Toronto or Canada or Lehi or New York

$114k-$215k/yr HybridFull Time

AdobeNASDAQ: ADBE: Provides software for digital media creation and marketing analytics

3+ YOE3+ years of full‑stack software development experience; AEM expertise preferred; AI-focused; customer-centric; strong communication and collaboration.

Full-Stack Development, AEM, Java, JavaScript, HTML/CSS, APIs, AI/ML

2mo

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2mo

Software Engineer III, Fullstack/Investigative Agent

Austin or Boston or Chicago or San Francisco or Los Angeles or Denver

$170k-$200k/yr RemoteFull Time

Flock Safety: Public safety platform providing AI-powered surveillance cameras and software.

Experience building web services with TypeScript/Node, PostgreSQL, React; experience with LLMs and AI tooling; cloud basics; strong problem solving; capable of remote collaboration.

TypeScript, Node.js, Express, React, PostgreSQL, Docker, Kubernetes, AWS, S3, SQS, API Gateway

1mo

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1mo

Senior Fullstack Engineer, Care Delivery

San Francisco or Palo Alto

$170k-$220k/yr HybridFull Time

Midi Health: Virtual medical care for women navigating midlife and menopause.

6+ YOE6+ years of experience; expert in Django/Python and React.js; experience with operational/workflow systems; proactive ownership; automation/testing; mentoring; collaborative mindset.

Django, Python, React

1mo

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1mo

Sr. Fullstack Engineer - Identity Platform

San Francisco or United States

$174k-$261k/yr RemoteFull Time

Zapier: Connects web applications to automate repetitive workflows without coding.

Senior engineer with identity/platform experience; strong in SAML/OAuth/OIDC/JWT; full-stack across Python/Node.js/Go; enterprise SaaS mindset.

Python, Node.js, Go, Django, Fastify, React, Kubernetes, Terraform, CI/CD

2mo

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2mo

FullStack Software Engineer, Codex App

San Francisco, California, United States

$230k-$385k/yr OnsiteFull Time

OpenAI: Develops and provides advanced artificial intelligence models and tools.

Strong TypeScript/Node fundamentals; experience with Electron or desktop app architectures; ability to own features end-to-end; familiarity with Rust integration; IPC patterns; product-minded.

TypeScript, Node.js, Electron, Rust, IPC

19h

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19h

Software Engineer II, Backend

New York or San Francisco or Seattle

$152k-$190k/yr HybridFull Time

Brex: Corporate cards and spend management software for businesses.

4+ YOE4+ years of professional experience designing, developing, and deploying full-stack applications; experience building client-side code end-to-end; strong engineering standards; hybrid work location (NY, SF, or Seattle).

Full-Stack Development, Client-Side Development, Software Engineering

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Senior Fullstack/Frontend Engineer

Sunnyvale or Mountain View or Austin or San Francisco or United States

$145k-$261k/yr HybridFull Time

General MotorsNYSE: GM: Manufactures and sells automobiles and automotive parts globally.

5+ YOE5+ years frontend experience; BS in CS or related field; strong JS/TS, React, REST/GraphQL; geospatial data experience; frontend performance; cross-functional collaboration.

JavaScript, TypeScript, React, Redux, Zustand, Mapbox GL, Deck.gl, OpenLayers, D3.js, REST, WebSocket, GraphQL, Node.js

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Member of Technical Staff, Fullstack

San Francisco, California, United States

$205k-$225k/yr OnsiteFull Time

Envoy: Unified workplace management platform for hybrid office operations.

6+ YOE6+ years of production software experience; strong frontend (React/JS/TS) and backend (APIs) skills; PostgreSQL; Git/GitHub; product minded; cross-functional collaboration; ability to own features end-to-end.

React, JavaScript, TypeScript, REST, GraphQL, PostgreSQL, Git, CI/CD

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Senior Software Engineer II, Developer Experience

New York or San Francisco or Santa Clara

$213k-$250k/yr HybridFull Time

Carta: Software platform for cap table management and fund administration.

8+ YOE8+ years in platform, backend, or fullstack engineering; production LLM experience; API and developer ergonomics focus; Python or Java; CI/CD tooling; cloud-native stack; security-minded.

Python, Java, CI/CD tooling, GitHub Actions, CircleCI, ArgoCD, Jenkins, Docker, AWS, Terraform, Kubernetes, Vault, Cloudsmith

2mo

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2mo

Senior Software Engineer, Data Management

San Francisco, California, United States

HybridFull Time

AmplitudeNasdaq: AMPL: Provides an AI-powered digital analytics platform for product teams.

Senior fullstack engineer with JS/TS (Node.js, React) or Python; experienced with AWS, observability, CI/CD, and data governance; strong collaboration and ownership mindset.

JavaScript, TypeScript, Node.js, React, Python, AWS, CI/CD, Observability, Data Governance, APIs

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Staff Software Engineer, Merchants & Ads Review

San Francisco or Palo Alto

$208k-$365k/yr HybridFull Time

PinterestNYSE: PINS: Visual discovery engine for finding inspiration and creative ideas.

8+ YOE8+ years of software engineering; staff-level IC; ads/commerce/trust & safety/GenAI experience; strong systems design and AI integration.

Python, Machine Learning, GenAI, Full-Stack Development, Distributed Systems, SQL, NoSQL, Cloud

2mo

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2mo

Staff Software Engineer – Customer Experience Intelligence (CXI)

Mountain View or San Francisco

$190k-$261k/yr OnsiteFull Time

Databricks: Cloud-based platform for unified data management and artificial intelligence.

BS or higher in CS; leadership in large projects; automation tooling, distributed systems, APIs; full stack; ML-assisted automation; multi-cloud; security and compliance awareness.

APIs, Distributed systems, Full stack, Multi-cloud (AWS, Azure, GCP), Machine Learning, Automation tooling

3mo

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3mo

Systems/Software Engineer

Roseville, California, United States

$137k-$277k/yr HybridFull Time

Hewlett Packard EnterpriseNYSE: HPE: Provides enterprise servers, storage, networking, and cloud-based services.

6+ YOEBachelor’s or Master’s in CS or equivalent; 6-10 years experience; design and develop software; strong problem solving and communication.

Cloud architectures, DevOps, Distributed computing, Microservices, Full Stack Development, Security-first mindset, Testing and Automation, UX

3mo

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3mo

Systems/Software Engineer

Roseville, California, United States

$137k-$277k/yr HybridFull Time

Hewlett Packard EnterpriseNYSE: HPE: Sells enterprise servers, storage, networking equipment, and cloud services.

6+ YOEBachelor’s or Master’s in CS or related field; 6–10 years’ experience; extensive software design/architecture experience; strong analytical and communication skills.

Cloud, DevOps, Distributed Computing, Microservices, Full Stack Development, Security-First Mindset, Solutions Design, Testing & Automation, UX

1mo

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1mo

Web Frontend Engineer

New York City or San Francisco or Seattle

$152k-$250k/yr HybridFull Time

Grow Therapy: Connects patients with licensed therapists through an insurance-integrated platform.

5+ YOE5+ years frontend or fullstack experience; experience building design systems; proficient in JavaScript/TypeScript, React, Next.js, CSS; strong accessibility and performance knowledge; able to prototype and collaborate with design and product.

JavaScript, TypeScript, React, Next.js, CSS

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Forward Deployed Engineer II, Applied AI, Cloud

New York or Atlanta or Austin or Boulder or Chicago or Addison or Kirkland or Miami or Mountain View or Los Angeles or Reston or Seattle or San Francisco or Washington D.C.

$127k-$183k/yr OnsiteFull Time

GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.

3+ YOEBachelor's in CS or equivalent; 3+ years Python; architect AI on cloud; deploy conversational agents; Terraform; full-stack with enterprise IT.

Python, Terraform, AI frameworks, Full-stack development, APIs

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Summer Intern

San Francisco, California, United States

$80k-$120k/yr OnsiteTemporary

Context AI: AI-native office suite for automating complex enterprise tasks.

0+ YOEInternship role for students with high initiative and strong communication; experience in full-stack engineering is a plus.

Full-stack engineering