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Python Fastapi Developer Jobs in Los Angeles, CA

Principal Software Engineer (Python)

Irvine, CA · On-site +1

$144K - $194K/yr

Expert Python/FastAPI Developer: Proven experience in designing, scaling, and maintaining existing production web services in an asynchronous Python environment. * Semantic & Graph Expertise: Deep ...

Principal Software Engineer (Python)

Irvine, CA · On-site

$144K - $194K/yr

Expert Python/FastAPI Developer: Proven experience in designing, scaling, and maintaining existing production web services in an asynchronous Python environment. * Semantic & Graph Expertise: Deep ...

Senior Machine Learning Engineer

Costa Mesa, CA · On-site

$112K - $154K/yr

You'll collaborate with other engineers and researchers to develop, evaluate, and help deploy ... Experience with Python services (FastAPI/Flask), Docker, and AWS services (S3, Batch/EC2, ECR) is ...

Senior Software Engineer

Los Angeles, CA · On-site

$132K - $174K/yr

As a Senior Software Engineer, you will design, develop, and maintain backend APIs and frontend ... Required : • Advanced knowledge of Python and related frameworks (FastAPI, NumPy, Pandas ...

AI Engineer

Pasadena, CA · On-site

$150K/yr

... Python, FastAPI or Flask, Azure OpenAI, Azure ML, Databricks, ADLS, and modern cloud-native patterns. * Integrate AI capabilities into enterprise applications, developer workflows, knowledge ...

Senior AI Engineering

Pasadena, CA

$114K - $156K/yr

... Python, FastAPI or Flask, Azure OpenAI, Azure ML, Databricks, ADLS, and modern cloud-native patterns. * Integrate AI capabilities into enterprise applications, developer workflows, knowledge ...

... Python, FastAPI or Flask, Azure OpenAI, Azure ML, Databricks, ADLS, and modern cloud-native patterns. * Integrate AI capabilities into enterprise applications, developer workflows, knowledge ...

... Python, FastAPI or Flask, Azure OpenAI, Azure ML, Databricks, ADLS, and modern cloud-native patterns. * Integrate AI capabilities into enterprise applications, developer workflows, knowledge ...

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Python Fastapi Developer information

See Los Angeles, CA salary details

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$63

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How much do python fastapi developer jobs pay per hour?

As of Jul 12, 2026, the average hourly pay for python fastapi developer in Los Angeles, CA is $63.17, according to ZipRecruiter salary data. Most workers in this role earn between $52.07 and $71.73 per hour, depending on experience, location, and employer.

What is a Python FastAPI Developer job?

A Python FastAPI Developer is responsible for designing, developing, and maintaining backend applications using FastAPI, a modern web framework for building APIs with Python. They work on creating high-performance APIs, integrating with databases, implementing authentication, and ensuring scalability. This role often involves working with asynchronous programming, cloud services, and containerization tools like Docker. Developers collaborate with teams to create efficient, secure, and well-documented API endpoints for web and mobile applications.

What are the key skills and qualifications needed to thrive in the Python Fastapi Developer position, and why are they important?

To thrive as a Python FastAPI Developer, you need strong proficiency in Python programming, experience designing RESTful APIs with FastAPI, and a background in web development concepts. Familiarity with version control systems like Git, containerization tools such as Docker, and knowledge of cloud platforms or SQL/NoSQL databases are commonly required, and certifications in cloud services or Python development can be advantageous. Excellent problem-solving skills, effective communication, and the ability to collaborate in agile teams help developers contribute efficiently to complex projects. These competencies ensure robust, scalable backend solutions and smooth coordination within development teams to meet business goals.

What are some typical daily tasks for a Python FastAPI Developer?

A Python FastAPI Developer typically spends their day designing, developing, and maintaining RESTful APIs to support web or mobile applications. This involves writing clean and efficient Python code, collaborating with frontend developers or other backend engineers to integrate new features, and ensuring the application meets performance and security standards. Developers also participate in code reviews, debugging, and continuous integration processes, while regularly communicating with product managers or stakeholders to align on project requirements. Staying up to date with FastAPI enhancements and industry best practices is also a common part of the role.

What are popular job titles related to Python Fastapi Developer jobs in Los Angeles, CA? For Python Fastapi Developer jobs in Los Angeles, CA, the most frequently searched job titles are:
What job categories do people searching Python Fastapi Developer jobs in Los Angeles, CA look for? The top searched job categories for Python Fastapi Developer jobs in Los Angeles, CA are:
What cities near Los Angeles, CA are hiring for Python Fastapi Developer jobs? Cities near Los Angeles, CA with the most Python Fastapi Developer job openings:
Infographic showing various Python Fastapi Developer job openings in Los Angeles, CA as of July 2026, with employment types broken down into 84% Full Time, 6% Part Time, 1% Temporary, and 9% Contract. Highlights an 84% Physical, 3% Hybrid, and 13% Remote job distribution, with an average salary of $131,384 per year, or $63.2 per hour.

Senior Professional Software Engineer (Python)

Cotality

Irvine, CA • On-site

$131K - $173K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 2 days ago


Job description

At Cotality, we are driven by a single mission-to make the property industry faster, smarter, and more people-centric. Cotality is the trusted source for property intelligence, with unmatched precision, depth, breadth, and insights across the entire ecosystem. Our talented team of 5,000 employees globally uses our network, scale, connectivity and technology to drive the largest asset class in the world. Join us as we work toward our vision of fueling a thriving global property ecosystem and a more resilient society.
Cotality is committed to cultivating a diverse and inclusive work culture that inspires innovation and bold thinking; it's a place where you can collaborate, feel valued, develop skills and directly impact the real estate economy. We know our people are our greatest asset. At Cotality, you can be yourself, lift people up and make an impact. By putting clients first and continuously innovating, we're working together to set the pace for unlocking new possibilities that better serve the property industry.
Job Description:
The hybrid-remote Senior Professional, Software Development Engineering position is responsible for independently designing, developing, and testing software systems for enhancements and new products. This role focuses on creating scalable, quality, flexible, and user-friendly applications while applying engineering principles, resolving complex bugs, and mentoring junior colleagues.
Job Responsibilities:
  • Drive the end-to-end development of the Cotality Unified Semantic Hub and its associated Ops Portal, bridging the Semantic Layer with bulk repositories to ensure high-performance data integration.
  • Architect Automated YAML Generation: Build and maintain the API-enabled engine (Python microservices) responsible for generating OSI-compliant, AI-ready metadata YAML files for delivery to Snowflake and Databricks.
  • Develop Ontology Authoring Tooling: Design and implement interactive UI components that enable domain modelers, data stewards, and SMEs to create, view, and manage the unified enterprise ontology without direct code edits.
  • Operationalize Data Governance & Scale: Build functional components to refine "fiduciary-grade" metadata. Implement features to monitor data quality, ensuring the Hub remains the single source of truth for all AI translation tasks.
  • Full-Lifecycle Software Development: Design, code, test, and debug complex software across a broad system scope. Develop detailed specifications to satisfy both internal and external customer requirements.
  • Drive Code Excellence & Testing: Write clean, maintainable, and well-documented code utilizing Test-Driven Development (TDD). Collaborate with the QA team to define scope, improve testing methods, and ensure system reliability.
  • Collaborate & Consult: Work closely with Technical Anchors, Product Managers, and business partners to evaluate feasibility, define technical requirements, and translate business needs into actionable architectural solutions.
  • Provide Operational Support & Innovation: Diagnose and resolve complex production incidents. Research new technologies/platforms and actively disseminate knowledge throughout the department.
  • Mentorship & Leadership: Mentor junior colleagues through rigorous code reviews, sharing expertise on API design, and software development lifecycles.
  • Apply engineering principles and methodologies to assigned projects and tasks.
  • Communicate progress regularly and identify blocking issues to maintain project momentum.

Job Qualifications:
  • Education & Experience: Bachelor's or Master's degree in Computer Science, AI, or a related field, with 5+ years of professional software engineering experience working through all phases of development.
  • Backend & API Mastery: Expert-level Python/FastAPI developer with a strong understanding of scalable microservices architecture and API integrations.
  • Full-Stack Capability & UI/UX: Proficiency in building interactive UIs and authoring portals tailored specifically for technical users (data stewards, modelers, SMEs).
  • Data Platform Proficiency: Strong hands-on experience with Snowflake and Databricks, specifically regarding how they consume and map external metadata.
  • Semantic AI & Governance Mindset: Solid understanding of Knowledge Representation and Ontologies, paired with the ability to design systems that maintain consistency across high-volume enterprise data assets.
  • Cloud Architecture: Experience deploying, maintaining, and managing scalable AI/data services in cloud environments (GCP, AWS, or Azure).
  • Agile Execution: Familiarity with Agile development methodologies (Jira, Confluence) and a proven ability to translate conceptual ideas into structured projects and tasks.
  • Communication & Collaboration: Excellent problem-solving and analytical skills with a keen attention to detail.
  • A customer-oriented mindset with a track record of meeting commitments and collaborating seamlessly with cross-functional stakeholders.
  • Strong proficiency in software development principles and methodologies.
  • Proven track record of delivering components for larger functional areas or applications.
  • Strong problem-solving skills for investigating and fixing software bugs.
  • Experience mentoring junior colleagues and sharing technical knowledge.

#LI-Hybrid
Annual Pay Range:
128,700 - 165,000 USD
Application Window:
This opportunity is expected to remain posted through the date identified below, subject to business needs.
Thrive with Cotality
At Cotality, we offer more than just a job, we provide a benefits experience designed to support your whole self. From a flexible working model to competitive time off and standout health coverage with meaningful perks and growth opportunities, our package is built to help you thrive at work and in life.
Highlights, depending on role classification, include:
  • Time off: Generous PTO and 11 paid holidays, plus well-being and volunteer time off.
  • Family Support: Up to 16 weeks of fully paid parental leave and a baby stipend.
  • Health: Multiple medical plan options with mental health and wellness support offerings.
  • Retirement: 401(k) with company match and vesting after one year.
  • Financial Perks: $400 annual well-being stipend and tuition assistance up to $5,250.
  • Extras: Recognition Rewards, Referral bonuses, exclusive discounts and more!

Cotality is an Equal Opportunity employer committed to attracting and retaining the best-qualified people available, without regard to race, color, religion, national origin, gender, sexual orientation, gender identity, age, disability or status as a veteran of the Armed Forces, or any other basis protected by federal, state or local law. Cotality maintains a Drug-Free Workplace.
Cotality is fully committed to a work environment that embraces everyone's unique contributions, experiences and values. We offer an empowered work environment that encourages creativity, initiative and professional growth and provides a competitive salary and benefits package. We are better together when we support and recognize our differences.
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By providing your telephone number, you agree to receive automated (SMS) text messages at that number from Cotality regarding all matters related to your application and, if you are hired, your employment and company business. Message & data rates may apply. You can opt out at any time by responding STOP or UNSUBSCRIBING and will automatically be opted out company-wide.
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