Senior Fullstack Engineer Ruby Python React Jobs in San Francisco, USA

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Senior Fullstack Engineer (Ruby / Python / React)

Must be based in SF bay areaWe are looking for an experienced Fullstack Engineer to join our dynamic team at crewAI. You will be instrumental in advancing our crewAI+ platform, a Ruby on Rails application that heavily leverages Python services. As a key member of our engineering team, yo ...

Senior Fullstack Engineer Ruby/Python/React (Remote)

A tech company in San Francisco is seeking an experienced Fullstack Engineer to enhance their crewAI+ platform, utilizing Ruby on Rails and Python services. Candidates should have at least 7 years of programming experience, strong skills in Ruby, Python, and React, and the ability to work collaboratively in a dy ...

Senior Full Stack Engineer React/Angular & Python

A technology company is seeking a Senior Level Full Stack Engineer responsible for developing front-end solutions in React or Angular and back-end applications using Python. The ideal candidate will have solid experience building RESTful APIs and deploying applications to AWS, alongside a strong grasp of databas ...

Senior Fullstack Engineer

At Cloudbeds, we're not just building software, we’re transforming hospitality. Our intelligently designed platform powers properties across 150 countries, processing billions in bookings annually. From independent properties to hotel groups, we help hoteliers transform operations and uplevel their co ...

Senior Fullstack Engineer

Pay Rate Range: $80.00 - $88.02/hr. on W2 Duties: Develop and maintain full-stack applications using React, NextJS, Java, and Spring Boot. ...

Senior Fullstack Engineer

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Fullstack Engineer for a contract assignment with one of our premier SaaS clients in San Jose, CA. Responsibilities: <br ...

Senior Fullstack Engineer

Job Title: Full stack DeveloperLocation: San Jose, CADuration: 6 Months contract3 days HybridPayrate: $88.02/hrJob Description: Develop and maintain full-stac ...

Senior Fullstack Engineer

Job Title: Full stack DeveloperLocation: San Jose, CADuration: 6 Months contract3 days HybridPayrate: $88.02/hrJob Description: Develop and maintain full-stac ...

US Full Stack Engineer

Role Summary This is a full-time hybrid role for a Full Stack Engineer based in the San Francisco Bay Area, with flexibility for partial remote work. The Full Stack Engineer will be responsible for developing and maintaining scalable web applications and systems, handling both front-end and back-end development ...

Senior Software Engineer

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on business needs) Compensation: $180,000 – $220,000 + Competitive Equity Type: Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the Creat ...

Senior Software Engineer

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on business needs) Compensation: $180,000 – $220,000 + Competitive Equity Type: Full-Time Priority: High About the Company The Company is a small, fast-paced startup in the Creat ...

Senior Fullstack/Frontend Engineer

**Job Description** **About Us** We’re on a mission to build the world’s most advanced self-driving vehicles to safely connect people to the places, things, and experiences they care about. At GM's Autonomous Vehicle (AV) organization, we’re combining cutting-edge research, robust enginee ...

Senior Fullstack Engineer, Solve

Job DescriptionAbout the RoleJoin us at Zendesk, where we're on a mission to power exceptional service for every person on the planet. We're accelerating that ambition by building products rooted in AI, automation, and intelligent customer experi ...

Senior Software Engineer Fullstack

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to l ...

Senior Fullstack/Frontend Engineer

**Job Description** **About Us** We’re on a mission to build the world’s most advanced self-driving vehicles to safely connect people to the places, things, and experiences they care about. At GM's Autonomous Vehicle (AV) organization, we’re combining cutting-edge research, robust engineering, and large- ...

Senior Software Engineer Fullstack

Department: Engineering Level: Senior (IC) Reports To: Senior Engineering Manager Version Date: May 2026 About Curology Curology’s mission is to make effective, personalized skincare accessible. We were founded by dermatologists ...

Senior Software Engineer, Fullstack

Senior Software Engineer, FullstackSan Mateo, CA, United StatesEngineeringID: 5756Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creat ...

Senior Ruby on Rails Developer

Overview 100% REMOTE Senior Ruby on Rails Engineer / Senior Full Stack Developer needed for a growing fintech company. Job details: This Jobot Job is hosted by Reed Kellick. Easy Apply now by clicking the Easy Apply button and sending us your resume. Salary: $150,000 - $185,000 per ye ...

Fullstack Engineer

Founding Fullstack Engineer (Frontend-Focused) San Francisco | Full-Time | On-SiteWe’re looking for a founding engineer to shape the very first version of a next-generation social marketplace for AI products. You’ll have the chance to architect and own the cor ...

Fullstack Engineer

Founding Fullstack Engineer (Frontend-Focused)📍 San Francisco | Full-Time | On-SiteWe’re looking for a founding engineer to shape the very first version of a next-generation social marketplace for AI products. You’ll have the chance to architect and own the co ...

Remote Senior Ruby on Rails Engineer Full Stack + Equity

A growing fintech company is looking for a 100% remote Senior Ruby on Rails Engineer / Senior Full Stack Developer. The ideal candidate will have a strong background in Ruby on Rails and significant Full-Stack experience. The role offers a competitive salary ranging from $150,000 - $185,000, along with an ann ...

Fullstack Staff Engineer

About DEUNA DEUNA is a rapidly growing startup revolutionizing global commerce with ATHIA, our AI-powered orchestration and payments platform that helps large enterprises boost approval rates, reduce costs, and unlock new revenue. Built by the team behind DEUNA—the fastest-growing Commerce OS i ...

Senior Fullstack Engineer — Remote & Microservices

Curology is looking for a Senior Software Engineer in San Diego to lead the migration to a microservices architecture. You will architect and deliver high-quality solutions, emphasizing scalable and maintainable systems. Ideal candidates will bring 5–7+ years of backend engineering experience, proficiency in ...

Senior Fullstack Engineer Gen Ai solutions

Our CompanyChanging the world through digital experiences is what Adobe’s all about. We give everyone—from emerging artists to global brands—everything they need to design and deliver exceptional digital experiences! We’re passionate about empowering people to create beautiful and powerful im ...

Senior Fullstack Engineer, Consumer Growth (Remote)

A financial technology company based in the United States is seeking a software engineer to lead mobile initiatives and collaborate across product, design, and analytics teams. The ideal candidate will have 4+ years of experience, strong leadership abilities, and expertise in React Native or mobile architectu ...

Senior Fullstack Engineer Global Integrations & Microservices

A leading hospitality software company is looking for a Senior Fullstack Engineer to enhance products that connect properties to global distribution channels. This remote role requires deep experience in PHP and JavaScript frameworks, as well as expertise in Docker and cloud technologies. The ideal candidate ...

Senior Software Engineer, Fullstack (Consumer Engineering)

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. Consumer Growth Experience Engineering (CGX) builds the platforms and end‑to‑end experiences that power affirm’s consumer gr ...

Senior Fullstack Engineer Gen Ai solutions

Our CompanyChanging the world through digital experiences is what Adobe’s all about. We give everyone—from emerging artists to global brands—everything they need to design and deliver exceptional digital experiences! We’re passionate about empowering people to create beautiful and powerful im ...

Senior Frontend/Fullstack engineer, Social Graph

Senior Frontend/Fullstack engineer, Social GraphSan Mateo, CA, United StatesEngineeringID: 5954Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of develop ...

Remote Fullstack Engineer, Blockchain & DeFi

A technology company is seeking a Fullstack Engineer to work remotely within the USA. The suitable candidate will design and maintain end-to-end web applications utilizing both frontend (React) and backend (Node.js) technologies. Responsibilities include collaborating with various teams, optimizing performanc ...

Senior Data Engineer (Python) Remote

and its reach billions of users monthly across 300+ languages and are powered by 200,000+ volunteer contributors. The Wikimedia Foundation’s Data Platform team enables this global knowledge ecosystem through robust data capabilities that serve both our internal teams and the public through products like , and . ...

Senior Software Engineer Python / PySpark

Genesis10 is currently seeking a Senior Software Engineer – Python / PySpark for a contract position with a Global Financial Institution located in San Francisco, CA. This is a 12+ month contract opportunity.We are seeking a Senior Software Engineer with deep backend expert ...

Senior Python Build Engineer Remote

A leading technology consulting firm is looking for a Senior / Lead Python Engineer to handle infrastructure codebases and improve build systems. This remote role requires strong Python proficiency, experience with Docker, and a solid understanding of CI/CD systems. The company offers a competitive salary, fl ...

Fullstack Engineer (Digital Experience)

Nex is on a mission to help families rediscover the joy of movement. Created by parents for parents, Nex combines technology and play to deliver fun, social, and interactive experiences powered by natural body motion, encouraging kids and adults to move more, play more, and have fun together. Nex Playgrou ...

Backend/Fullstack Engineer, Creativity Apps

**Weekly Hours:** 40**Role Number:** 200658632-3543 **Summary**Apple is where individual imaginations gather together, committing to the values that lead to great work. Every new product we build, service we create, or Apple Store experience we deliver is the result of us making each other’s i ...

Senior Software Engineer, Backend Full Stack Service Cloud

About RipplingRippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automa ...

Python Backend Engineer

We are looking for a Python Backend Engineer to build the backbone of our platform. You will be responsible for creating high-performance APIs, integrating advanced AI agent logic, and ensuring our infrastructure remains rock-solid as we scale. If you enjoy solving complex architectural puzzles and want to work ...

Python Backend Engineer

Employment Eligibility Statement Due to specific project and client requirements, this position is open to U.S. Citizens and U.S. Lawful Permanent Residents (Green Card holders). Sponsorship is not available at this time. Danta Tec ...

Senior Python Developer

Workplace Type : Remote - Region : San Francisco, CA Requirements • Strong Python coding abilities - Can pass difficult programming challenges in a relatively short period of time. Can speak clearly about their thinking throughout these challenges. Can speak to O-notation ...

GenAI Python Systems Engineer –Senior Manager

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer – Senior Associate

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer –Senior Manager

Description & SummaryAt PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solutions for clients. They play a crucial role in transforming raw data into actionable insights, enabling informed decision-m ...

Senior Robotics Software Engineer (C++ & Python)

Senior Robotics Software Engineer (C++ & Python)Simbe Robotics is a leading retail robotics company providing in-store intelligence solutions that help retailers optimize operations, improve shelf execution, and deliver valuable data insights. Our autonomous robots and multi-modal da ...

GenAI Python Systems Engineer –Senior Manager

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer –Senior Manager

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer – Senior Associate

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer – Senior Associate

**Specialty/Competency:** Data, Analytics & AI**Industry/Sector:** Not Applicable**Time Type:** Full time**Travel Requirements:** Up to 80% At PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solu ...

GenAI Python Systems Engineer –Senior Manager

Description & SummaryAt PwC, our people in data and analytics engineering focus on leveraging advanced technologies and techniques to design and develop robust data solutions for clients. They play a crucial role in transforming raw data into actionable insights, enabling informed decision-m ...

Senior Python Software Engineer (Data Engineering)

Job Description Born from the belief that great things come to those who cook, Yummly provides limitless inspiration, with the tools to make it happen—from recipe discovery to prep to perfect results. Just as appliances removed the most cumbersome chores, the next tipping p ...

Frontend Engineer (React/TypeScript)

Location: Remote (Europe)Employment: Full-time🌐 About Our ClientOur client is building a cutting-edge AI-powered cryptocurrency trading platform. The product delivers automated trading bots (DCA, Grid, Quantum), portfolio managemen ...

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