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Senior Python Flask Jobs in California (NOW HIRING)

Coefficient

Senior Product Engineer - US

San Mateo, CA · On-site

$150K - $250K/yr

Node, Python, Flask, or similar) * Comfortable working with data-intensive applications and distributed systems * Ability to pick up new technologies quickly and move across the stack as needed

Coefficient

Senior Product Engineer - US

San Mateo, CA · Hybrid

$150K - $250K/yr

Node, Python, Flask, or similar) * Comfortable working with data-intensive applications and distributed systems * Ability to pick up new technologies quickly and move across the stack as needed

Fuku

Senior Software Engineer

San Francisco, CA · Hybrid

$180K - $220K/yr

Senior Software Engineer Location: San Francisco (hybrid, 3 days in-office; NYC option depending on ... B alance frontend (React/TypeScript) and backend (Python) responsibilities * C ollaborate closely ...

Fuku

Senior Software Engineer

San Francisco, CA · On-site

$180K - $220K/yr

... backend (Python) responsibilities - Collaborate closely with the team to deliver impactful ... H-1B, O-1, OPT available Green Flags (Strong Matches) - Firebase experience - Flask backend ...

PayPal

Senior Software Engineer - Python

San Jose, CA · On-site

$130K - $193K/yr

... senior roles. * Advises immediate management on project-level issues * Guides junior engineers ... Experience with backend development using Python and frameworks such as Django or Flask.

PayPal

Senior Software Engineer - Python

San Jose, CA

$130K - $193K/yr

... senior roles. * Advises immediate management on project-level issues * Guides junior engineers ... Experience with backend development using Python and frameworks such as Django or Flask.

Commure

Senior Software Engineer, Ambient AI

Mountain View, CA · On-site

$145K - $192K/yr

... Python, Javascript, React, Flutter, Flask, and other frameworks • Work directly with customers to solve their issues daily Qualifications : Required : • Bachelor's or Master's degree in Computer ...

Commure

Senior Software Engineer, Ambient AI

San Francisco, CA · On-site

$144K - $190K/yr

... Python, Javascript, React, Flutter, Flask, and other frameworks • Work directly with customers to solve their issues daily Qualifications : Required : • Bachelor's or Master's degree in Computer ...

Commure

Senior Software Engineer, Ambient AI

San Francisco, CA · On-site

$144K - $190K/yr

... Python, Javascript, React, Flutter, Flask, and other frameworks • Work directly with customers to solve their issues daily Qualifications : Required : • Bachelor's or Master's degree in Computer ...

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All JobsPython Flask JobsSenior Python Flask JobsSenior Python Flask Jobs in California

Senior Python Flask information

What are the key skills and qualifications needed to thrive as a Senior Python Flask Developer, and why are they important?

To thrive as a Senior Python Flask Developer, you need advanced proficiency in Python programming, experience with the Flask framework, and a solid understanding of RESTful APIs, typically supported by a degree in computer science or related field. Familiarity with tools like Git, Docker, SQL/NoSQL databases, and cloud platforms such as AWS or Azure is commonly required, along with relevant certifications. Strong problem-solving abilities, effective communication, and leadership skills help you collaborate with teams and mentor junior developers. Mastering these skills ensures you can build robust, scalable web applications and lead project success in dynamic development environments.

What are some common challenges Senior Python Flask developers face when working on large-scale web applications?

Senior Python Flask developers often encounter challenges such as managing application scalability, ensuring code maintainability, and integrating with various third-party services. Handling complex database relationships and optimizing API performance are also common issues, especially as user traffic grows. Effective collaboration with frontend developers and DevOps teams is essential to address deployment, security, and continuous integration concerns, making strong communication and problem-solving skills crucial for success in this role.

What is the difference between Senior Python Flask vs Python Developer?

AspectSenior Python FlaskPython Developer
Primary FocusWeb application development using Flask framework, with leadership responsibilitiesGeneral Python programming, including scripting, data analysis, and application development
Experience LevelAdvanced, with expertise in Flask, architecture, and mentoringEntry to mid-level, with broad Python skills
CertificationsOften includes Python or web development certificationsMay have Python certifications, but less specialized
Work EnvironmentTech companies, startups, or agencies focusing on web appsVaried industries, including data science, automation, and software development

Senior Python Flask roles focus on building and leading web applications with Flask, requiring specialized knowledge and leadership. Python Developers have broader Python skills applicable across multiple domains. The choice depends on whether you want to specialize in web development or pursue general Python programming.

What is a Senior Python Flask Developer?

A Senior Python Flask Developer is an experienced software engineer who specializes in building web applications using the Flask framework and the Python programming language. They are responsible for designing, developing, testing, and maintaining backend services and APIs, often working with databases, cloud services, and other technologies. Senior developers are also expected to mentor junior team members, lead projects, and ensure code quality and best practices throughout the development process.
What are the most commonly searched types of Python Flask jobs in California? The most popular types of Python Flask jobs in California are:
What cities in California are hiring for Senior Python Flask jobs? Cities in California with the most Senior Python Flask job openings:
Senior Python Flask jobs near you

Senior Software Engineer - AI Agentic Product Dev

Eightfold.ai

Santa Clara, CA • On-site

$143K - $191K/yr

Full-time

Medical, Dental, Vision

Re-posted 8 hours ago

Job description

About the Role
Eightfold is building the next generation of Agentic AI products that help millions of people and enterprises make better talent decisions. We're looking for a Software Engineer to design and build highly scalable, user-facing product features across frontend and backend systems.
In this role, you'll work on AI-powered, autonomous product experiences, collaborating closely with product managers, designers, and AI/ML engineers to bring intelligent agents to life in production. This is a true product engineering role-you'll own features end-to-end and see your work used globally at scale.
We're looking for a Software Engineer to help build Eightfold's next generation of Agentic AI product features. In this role, you'll design and implement high-impact frontend and backend product experiences used by millions of users globally.
You'll work closely with Product, Design, and AI/ML teams to turn intelligent systems into intuitive, scalable, and reliable product features. This is a hands-on engineering role focused on shipping production-grade software, not research or experimentation-only work.
What You'll Do
  • Build and ship AI-powered product features using LLMs, NLP, and agent-based workflows
  • Develop backend services and APIs that support model inference, orchestration, and tool execution
  • Implement LLM workflows, including pipelines, retrieval (RAG) systems, and goal-oriented agent behaviors
  • Work closely with Product Managers and Designers to turn AI-driven ideas into working features
  • Collaborate with ML engineers to integrate, evaluate, and productionize models
  • Write clean, maintainable, and well-tested code
  • Participate in code reviews and contribute to technical discussion
  • Help improve system performance, reliability, and scalability

What We're Looking For
  • 3-5 years of professional software engineering experience
  • Strong experience building backend or full-stack applications
  • Proficiency in Python and at least one other language (Java, Go, or TypeScript)
  • Hands-on experience integrating LLMs, NLP, or ML-powered features
  • Familiarity with APIs, distributed systems, and backend services
  • Understanding of prompting, embeddings, and model inference
  • Solid software engineering fundamentals (testing, debugging, system design)
  • Product mindset with a focus on real-world impact and usability

Nice to Haves
  • Experience with agentic systems, workflows, or orchestration frameworks
  • Exposure to RAG Architecture Design & Evaluation
  • Familiarity with cloud platforms (AWS, GCP, or Azure)
  • Experience working in AI-first or fast-moving product teams

Why Eightfold
  • Experience with agentic systems, workflows, or orchestration frameworks
  • Exposure to RAG architecture Design & Evaluation
  • Familiarity with cloud platforms (AWS, GCP, or Azure)
  • Experience working in AI-first or fast-moving product teams

Tech Stack
  • Languages & Frameworks: Python, Flask, React, Typescript, Webpack, NextJS.
  • Data & Infrastructure: MySQL, Solr, Apache Airflow, Apache Spark, Docker.
  • Cloud Services: Major AWS services like Aurora, S3, Redshift, Cloudformation, SNS, SQS.
  • AI & ML: Extensive use of ML models and LLMs.

Pay Transparency
Please note this role is categorized as hybrid in Santa Clara, CA The base salary ranges below are provided for pay transparency. Base pay is only one piece of our total compensation package as this role may be eligible for bonus and equity awards. Compensation varies depending on a number of factors including qualifications, skills, competencies, experience and zone. Zones are determined by location. Zone A is SF Bay Area, CA .
Zone A Base annual salary base range: $143,000 to $191,000 + discretionary annual bonus up to `15% + preIPO equity (stock options).
Hybrid Work @ Eightfold: We embrace a hybrid work model that aims to boost collaboration, enhance our culture, and drive innovation through a blend of remote and in-person work. We are committed to creating a dynamic and flexible work environment that nurtures the collaborative spirit of our team. Starting May 1st, 2025, employees residing near Santa Clara, CA return to the office 3X per week.
Eightfold.ai provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, veteran or disability status.
Experience our comprehensive benefits with family medical, vision and dental coverage, a competitive base salary, and eligibility for equity awards and discretionary bonuses or commissions.
#LI-Hybrid

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