senior backend python developer jobs in Los Angeles

1,000 senior backend python developer job listings in United States. Find daily updated positions from leading job boards.


  • Los Angeles, CA, United States Berkley Technology Services LLC Full-time

    Berkley Technology Services (BTS) is seeking an experienced Senior AI Engineer to build and operate AI-enabled features and services. You will craft production Python services and microservices, implement retrieval-augmented generation, and develop agentic workflows in a fast-paced, collaborative environment.The role emphasizes end-to-end AI integration,...


  • Los Angeles, California, United States Pivotal Health Full-time $210,000 - $230,000 Contract

    About Pivotal HealthPivotal Health is the leading technology platform that helps healthcare providers get paid fairly in an increasingly complex reimbursement landscape.Today, many providers face persistent underpayment from health insurance companies, despite delivering high-quality care. While processes like IDR (Independent Dispute Resolution) were...

  • Senior Navigation

    3 hours ago


    Los Angeles, California, United States K2 Space Full-time $160,000 - $235,000 Contract

    K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...


  • los angeles, ca, United States Confidential Full-time

    The client is seeking a Senior AI/ML Engineer focused on foundation models and agentic AI for life sciences. The role will develop and train proprietary foundation models using multi-omics data, design algorithms to integrate and differentiate across omics modalities, and own end-to-end training workflows including data ingestion, tokenization, pretraining,...


  • Los Angeles, CA, United States McKinsey & Company Full-time

    Analytics Senior Data Scientist - Scientific AIJob ID: 106244 Boston Chicago New Jersey New York City Raleigh San Francisco Silicon Valley Southern California Apply NowApply Later Do you want to do work that matters, alongside supportive leaders who will help you grow faster than you ever thought possible? Are you a creative problem-solver who is energized...


  • Los Angeles, New York, United States Sunshine Sachs Morgan & Lylis Full-time $120,000 - $135,000 Contract

    Sunshine Sachs Morgan & Lylis is a leading global communications agency built to navigate the complexities of a hyper-connected world. We represent the icons and innovators shaping culture—from global heritage corporations and high-growth tech startups to the non-profits, creative legends, and visionary founders who define the global discourse.   Our...


  • Los Angeles, California, United States Northwood Space Full-time $100,000 - $220,000 Contract

    About Northwood:Northwood is a modern space infrastructure company bringing the benefits of space to the masses through advanced communications technology. We are building a global network of phased array ground stations that enable real-time, reliable communication for satellite missions such as national security, global connectivity, and disaster response....

  • Senior Data Scientist

    3 hours ago


    Los Angeles, California, United States CIM Group Full-time $150,000 - $175,000 Contract

    ABOUT CIM GROUP: CIM is a community-focused real estate and infrastructure owner, operator, lender, and developer. Our team of experts works together to identify and create value in real assets, benefiting the communities in which we invest. Back in 1994, our three founders focused on projects in Southern California neighborhoods. Today, we are a diverse...


  • Los Angeles, California, United States Worky Ltd Full-time

    About GeniusGenius is the leading destination for music, lyrics, and the stories behind the songs. At the intersection of music, technology, and culture, Genius connects fans with deeper meaning behind the world's most influential music. Join an exceptionally talented team of engineers, designers, product leaders, and business builders who are shaping the...


  • Los Angeles, CA, United States AIM AI Full-time

    Company DescriptionAim AI is a bootstrapped, profitable, and scaling fast with ~$5M ARR. We build ultra-realistic voice AI agents that power real phone conversations for businesses in sales, customer service, marketing, and beyond. Our platform handles live calls end-to-end, and every millisecond counts.We're looking for a Full-Stack Engineer to own and...


  • Los Angeles, California, United States Freeform Full-time $150,000 - $250,000 Contract

    SENIOR FULL STACK ENGINEER (MES)  Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits.  In...


  • Los Angeles, California, United States K2 Space Full-time $150,000 - $200,000 Contract

    K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price — and with over $1 billion in...


  • Los Angeles, California, United States Freeform Full-time $140,000 - $200,000 Contract

    SENIOR PROCESS ENGINEER (ADVANCED R&D) Freeform builds AI-native manufacturing systems that unify software, hardware, and physics to produce industrial-scale parts at the speed of human ideation. By treating manufacturing as a single integrated system, we unlock a new era of innovation where complex hardware is designed, built, and scaled without limits. As...

  • Senior Data Engineer

    4 hours ago


    Los Angeles, California, United States Crexi Full-time $158,000 - $214,000 Contract

    About Crexi Commercial real estate is one of the largest asset classes on earth and one of the last to go digital. Deals still get done over email threads, PDFs, and relationships nobody can search for. Crexi is the exchange betting that doesn't have to be true anymore: we're building the platform where an entire industry finds, evaluates, and closes deals,...


  • Los Angeles, California, United States Roku Full-time $169,900 - $190,000 Contract

    Teamwork makes the stream work. Roku is changing how the world watches TVRoku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in the world. Roku pioneered streaming to the TV. Our mission is to be the TV streaming platform that connects the entire TV ecosystem. We connect consumers to the...


  • Los Angeles, CA, United States Northrop Grumman Full-time

    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE REQUIRED FOR START: Yes CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the TimeDescription At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and...


  • Los Angeles, California, United States Antares Full-time $112,000 - $150,000 Contract

    About UsAt Antares, our long-term mission is to make clean energy abundant from Earth to the Asteroid Belt. We’re fueled by the belief that advanced nuclear energy can strengthen our military, solve the climate crisis, elevate global living standards, and expand humanity's presence in outer space. To achieve our mission, we’re building mass-producible,...


  • Los Angeles, California, United States Oaktree Capital Management Full-time $130,000 - $155,000 Contract

    Our CompanyOaktree is a leader among global investment managers specializing in alternative investments, with more than $220 billion in assets under management. The firm emphasizes an opportunistic, value-oriented, and risk-controlled approach to investments in credit, equity, and real estate. The firm has more than 1,400 employees and offices in more than...


  • Los Angeles, California, United States Atrium Staffing Full-time

    Client Overview:Our client is a small biotech company focused on neurodegeneration. They are currently looking to add a Senior Data Scientist to their team.Salary/Hourly Rate:$150k - $180kPosition Overview:Our client is seeking a hands-on Senior Data Scientist to own and build the company's scientific data platform and analytics infrastructure. The Senior...


  • Los Angeles, CA, United States WinMax Systems Corporation Full-time

     Senior Software EngineerLocation: West Los Angeles, CA (exact location TBD, remote to start but will be needed hybrid later in the year, 2-3 days onsite a week)Contract: 8+ Month  Job Description: Were looking for talented professionals to join us in bringing smart money management and payment solutions to everyones fingertips.This position is...