Python developer jobs in California

 ...Fullstack Engineer (Python, React) Location: San Francisco, CA Employment Type: Full-time On-site: 9-9-6 in-office schedule About the Role Our client is an intensely ambitious, hyper-growth AI startup that is completely rebuilding the foundation of... 

 ...Role Overview We’re seeking a Full Stack Software Engineer with strong backend development skills in Python and frontend expertise in React.js. You’ll help design, implement, and scale full stack web applications that are secure, performant, and user-centric. Responsibilities... 

 ...LATAM Python Go Backend Engineer (Remote) Key Job Information Work Type: Fully Remote  Employment...  ...candidate will join a growth-stage company in a crucial role, developing the core infrastructure and systems that power a unique, innovative... 

 ...services. Hands‑on experience applying machine‑learning or large‑language‑model techniques for personalization, risk, search, or developer productivity; ready to lead our adoption of AI‑assisted development and LLM‑powered product features. Deep understanding of service... 

 ...and monitoring. You will be responsible for building robust, scalable backend services using Python and AWS Serverless technologies (Lambda, DynamoDB, SQS, EventBridge), developing event-sourced systems that provide complete state history and auditability. A critical... 

 ...the architects of our global payment platform. You'll design, develop, and optimize core systems that power millions of transactions...  ...success. Your day-to-day: As a Software Engineer, Backend Python, you will architect and lead the development of complex backend... 

 ...solutions. The ideal candidate will have a strong background in Python, AI, and building scalable systems, with a passion for...  ...Technical Leadership: Collaborate closely with a team of talented developers, engineers, and product owners to provide consumers and business... 

About Deep Origin Led by Michael Antonov, a co-founder of Oculus, and well-funded by Formic Ventures, Deep Origin is poised to reinvent the way scientists work and life science innovations come to life. We see a future largely free of diseases, with a 150-year lifespan...

 ...the architects of our global payment platform. You'll design, develop, and optimize core systems that power millions of transactions...  ...success. Your day-to-day: As a Software Engineer, Backend Python, you'll define the technical roadmap and drive innovation. You'... 

General What we do &##129717; Our mission is to empower building materials suppliers with great technology. There are over $1,000,000,000,000 of building materials bought in the US every year, and many of these transactions happen in on-prem point-of-sale systems. We...

 ...closely with experienced engineers to learn and grow your skills. Develop and maintain backend components. Write clean, efficient code...  ...structures. Proficiency in at least one backend language (Java, Python, Ruby on Rails) Proficiency in back-end development utilizing... 

 ...Tech Stack: Frontend: React, React Native Backend: Python, Node.js Database: PostgreSQL Cloud: AWS (ECS, CDK, Glue...  ...maintain both frontend and backend components. Web Applications: Develop and deploy apps for managing patient data. Data... 

 ...opportunities for everyone in our team, whether you’re looking to develop into a management position or establish yourself as an industry...  ...Inc. is looking for a Staff Software Engineer with a focus on Python, Django, and Databases (Postgres and OpenSearch). The Staff... 

 ...go-to-market roles. We are post revenue and are excited to rapidly grow this year. From building out our in-store payment offering, growing our developer platform, to spearheading our robust analytics and reporting products, there’s a ton of exciting work to take on!... 

 ...Backend / Python Software Engineer (Staff, Principal, Lead)\ \ \ Compensation: \ $300k – $380k • No equity \ Location: \ San Francisco \ Experience Required: \ 5+ years \ Employment Type: \ Full Time \ \ \ Skills Required \ \ Python \ Redis \... 

 ...Response Agent that outperforms entire companies solving the same problem. About You: You will be working on our backend built with Python/FastAPI (with lots of asyncio), Postgres, and Redis. You should be immediately productive coming into a codebase on this stack.... 

 ...Avatar Framework and intuitive creation tools, Genies enables developers, talent, and creators to generate and deploy game-ready Smart AI...  ...js, Next.js. ~ Strong backend development experience with Go, Python, or similar languages. ~ Experience building and consuming... 

 ...business needs into technical solutions Mentor and support junior developers through coaching and collaboration Improve & Innovate...  ...Experience with Redis Bonus Points... Experience with Python, Node.js, or JavaScript Hands-on experience with JavaScript... 

 ...OpenAI, Anthropic, Google, and others to train and evaluate their models. What We’re Looking For Strong coding fundamentals in Python (our primary backend), though interviews are language-agnostic. Deep understanding of distributed systems, scalability... 

 .... You will work closely with the CTO and other engineers, developing the backend systems that power our core product, integrations,...  ...(startup experience preferred) ~ Expert-level proficiency in Python , preferably using Django ~ Familiarity with AI/ML integrations... 

 ...deliver on major product initiatives. Proficiency in at least one programming language commonly used within backend systems, e.g. Go, Python, Scala, or Java. Energy and ambition to build a product that is surprisingly good in surprising ways. Intrinsic desire to... 

 ...technology across devices and platforms for millions of daily users. Develop growth systems to acquire, activate, and retain users,...  ...startups. Tech stack (optional) Languages : Scala, Python, Golang Infrastructure : Kubernetes, Apache Interview... 

 ...core product , ensuring performance, reliability, and continuous improvement. Own significant portions of the backend stack in Python . Collaborate directly with founders to set the technical direction. Operate with extreme ownership in a fast-paced, high-... 

 ...founding team to build and iterate on core product features. \\\ Develop and deploy real\-time systems, telephony, or voice processing...  ...\ \ Proficient in Typescript, React, Python, Kubernetes, and Redis. \ \\\ \ \ \ \... 

 ...reviews. You Might Thrive Here If You: Have strong experience with distributed systems, APIs, and backend languages (e.g., Go, Python, Rust, C++). Enjoy building resilient services that handle large scale and complexity. Are passionate about system design,... 

 ...field of data and AI security. Responsibilities Assist in developing and testing new features for our security platform...  ...skills Knowledge of programming languages such as JavaScript, Python Experience with version control systems like Gitlab Ability... 

 ...Software Engineering Lead at Aetherflux will lead a software team in developing and maintaining real-time constellation management and compute...  ...for aerospace or satellite applications. ~ Proficiency in Python, C, C++, and/or Rust. ~ Experience with building cloud... 

 ...UI used by executives to control live AI-driven experiments Develop real-time dashboards, audit logs, and safety controls...  ...full-stack experience ~ Strong with React + TypeScript and Python or Node.js ~ Product-minded, high ownership, and comfortable... 

 ...Might Be a Fit If You Have 3–7+ years of experience building backend systems in production environments Are highly proficient in Python and frameworks like Django (or similar) Have strong experience with relational databases (PostgreSQL), including schema design,... 

 ...handling, and graceful error recovery. Partner with backend developers to ship new features and improve overall system performance....  ...automated test suites for SPAs. Full-stack experience, ideally with Python/Django. Familiarity with radiology, medical imaging or...