Explore 3 backend python developer jobs from 2 hiring companies in Montecito, CA, US. Filter by remote, salary, experience, and company, then open any listing to apply.

backend-python-developer

Backend Python Developer

Santa Barbara

Carpinteria

Goleta

Isla Vista

Ventura

Oxnard

Port Hueneme

Santa Paula

Summerland

Camarillo

Thousand Oaks

Simi Valley

Fillmore

Moorpark

Mira Monte

Ojai

Lompoc

Toro Canyon

Oak View

Backend Python Developer Jobs

Umbra

Pennymac

Onsite

Umbra is an American space technology company delivering advanced systems, from sensors to spacecraft, that empower customers worldwide with unmatched access to critical information from space. Our mission is simple and ambitious: redefine space—for people, systems, and missions in every domain. Umbra’s ecosystem operates through three business units: Remote Sensing (the data), Space Systems (the components), and Mission Solutions (the platforms).Together, our teams develop capabilities that deliver persistent access, resilient performance, and mission-ready solutions, advancing U.S. space leadership while keeping the world safe and informed. About the Team Remote Sensing – The DataRemote Sensing is where Umbra got its start, and our agile Synthetic Aperture Radar (SAR) constellation remains the most capable on the market. We transform satellite data into real-world, actionable insights that strengthen U.S. national security and intelligence, support disaster response, and advance scientific discovery. Our team delivers data at scale with unmatched quality, persistence, and the speed and responsiveness our partners demand.If you want to work on cutting-edge space technology that’s redefining what’s possible in remote sensing, you belong here at Umbra.About the Job We are seeking a Senior Software Engineer to join our Command, Control, and Communications (C3) team to help design and build the systems that power autonomous satellite operations.This role sits at the intersection of software engineering, mission operations, and aerospace systems. You will work on services that directly support spacecraft command, telemetry processing, and mission execution. Partnering closely with engineers across flight software, GNC, operations, and platform teams.We are particularly interested in engineers who bring a systems oriented mindset. People who can reason across boundaries (software, physics, infrastructure, and operations), take ownership of ambiguous problems, and translate complex mission needs into robust, scalable software.This is an opportunity to help shape the evolution of C3 systems as Umbra scales. Both through hands on development and by influencing architecture, engineering practices, and team culture. This position is based on-site in either our Santa Barbara/Goleta, CA office, Arlington, VA office, or Reston, VA office (coming soon). Key Responsibilities<ul><li>Design, build, and operate mission critical backend systems for satellite command, control, and communications.</li><li>Own services end-to-end, from architecture and implementation through deployment and operational support.</li><li>Collaborate across disciplines (flight software, GNC, operations, infrastructure) to deliver integrated mission solutions.</li><li>Contribute to and evolve system architecture, with a focus on reliability, scalability, and fault tolerance.</li><li>Improve system resilience by identifying and addressing failure modes, bottlenecks, and operational risks.</li><li>Lead or contribute to cross functional projects, helping break down problems and align teams.</li><li>Mentor other engineers and contribute to a culture of shared ownership, strong documentation, and continuous learning.</li><li>Participate in on-call rotations and support operational excellence across C3 systems.</li></ul>

Senior Software Engineer (Command & Control)

Software Engineer

Bachelor's in CS/Engineering; 5-8+ years backend experience; Python, API design; distributed systems; cloud (AWS); relational DBs.

Senior Software Engineer

5-8+ years backend systems, Python, REST APIs, distributed/microservices, cloud (AWS), and mission control/C3 experience.

PENNYMAC:
Pennymac is (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market.  At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey.

A Typical Day:
We're looking for a highly experienced and motivated Senior AI Engineer to develop and deploy cutting-edge AI/ML solutions within our AI Accelerator Team. You'll work with and mentor a team of engineers responsible for leveraging the latest AI technologies and ML models to deploy best-in-class tools for Pennymac’s employees and customers. This role requires a deep understanding of AI agentic programming, machine learning algorithms, natural language processing (NLP), computer vision, AWS and GCP cloud technologies, and MLOps practices. Strong communication skills are essential to effectively collaborate within the team and provide technical mentorship to peers. Responsibilities <ul style="margin-top: 0; margin-bottom: 0;"><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Design and implement AI/ML solutions on AWS Bedrock and Google Vertex AI, including model selection, training, optimization, and deployment.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Utilize AWS services (e.g., EC2, S3, Lambda, SageMaker) and GCP services (e.g., Compute Engine, Cloud Storage, BigQuery, Vertex AI) to build and manage scalable cloud infrastructure for AI/ML workloads.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Develop and optimize high-performance machine learning models using Python and relevant libraries such as TensorFlow, PyTorch, and spaCy for predictive analytics and NLP.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Implement and manage MLOps practices to ensure efficient model development, deployment, monitoring, and retraining within the IDP pipeline.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Demonstrate proficiency in utilizing AWS Bedrock services (e.g., Titan FMs, foundation models) and Google Vertex AI services (e.g., Vertex AI Workbench, pre-trained APIs).</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Design and implement robust data pipelines for efficient data ingestion, preprocessing, and feature engineering.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Identify and resolve performance and scalability issues in models and infrastructure to improve the accuracy and efficiency of tools in production.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Collaborate with cross-functional teams (e.g., product management, data science, software engineering) to deliver impactful solutions that meet business requirements.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Participate in code reviews and provide technical guidance to peers on best practices and latest technology trends.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Work with DevOps teams to ensure continuous delivery of the product using agile methodology.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Stay abreast of the latest advancements in AI/ML, NLP, computer vision, and cloud technologies to evaluate new techniques that enhance our AI solutions.</li></ul> 

What You’ll Bring:
<ul><li>Bachelor’s degree in Computer Science, Engineering, or a related quantitative field.</li><li>5+ years of experience in a Platform Engineering or high-scale Backend role, with a focus on building resilient, distributed systems.</li><li>3+ years of hands-on experience developing with Large Language Models (LLMs) and designing sophisticated agentic workflows.</li><li>Extensive experience navigating both Amazon Web Services (AWS) and Google Cloud Platform (GCP), specifically their respective AI and data ecosystems.</li><li>Deep proficiency in Python and its scientific stack (e.g., PyTorch, TensorFlow, spaCy) for developing high-performance machine learning applications.</li><li>Exceptional troubleshooting skills with a track record of identifying and resolving bottlenecks in complex AI infrastructure.</li><li>Proven ability to mentor engineering peers, fostering a culture of technical excellence and continuous growth.</li><li>Strong communication and collaboration skills</li></ul>Preferred Skills <ul style="margin-top: 0; margin-bottom: 0;"><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">FinTech or Mortgage Domain knowledge.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Experience in Evaluation Driven Development.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Experience in Agile/SCRUM using Jira.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Experience with feature flagging and service/API semantic versioning.</li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #000000; font-weight: 400;" aria-level="1">Experience building and maintaining effective relationships with product managers, architects, technical leads, and business stakeholders.</li></ul>

Why You Should Join:
As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do. Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported.  Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals for tomorrow, or planning for long-term success and retirement, Pennymac's benefits have you covered. Some key benefits include: <ul style="margin-top: 0; margin-bottom: 0;"><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Comprehensive Medical, Dental, and Vision</li><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Paid Time Off Programs including vacation, holidays, illness, and parental leave </li><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations)</li><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Retirement benefits, life insurance, 401k match, and tuition reimbursement </li><li style="font-size: 10.5pt; font-family: Roboto,sans-serif; color: #202124; font-weight: 400;" aria-level="1">Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships</li><li style="font-size: 11pt; font-family: Arial,sans-serif; color: #000000; font-weight: 400;" aria-level="1">We value the hard work and dedication of our employees. In addition to a competitive salary, positions may offer bonus opportunities.</li></ul> To learn more about our benefits visit: <a href="https://pennymacnews.page.link/benefits" target="_blank" style="color: #000000;" rel="noopener">https://pennymacnews.page.link/benefits</a> For residents with state required benefit information, additional information can be found at: <a href="https://www.pennymac.com/additional-benefits-information" target="_blank" style="color: #000000;" rel="noopener">https://www.pennymac.com/additional-benefits-information</a> Compensation: Individual salary may vary based on multiple factors including specific role, geographic location / market data, and skills and experience as defined below:<ul style="margin-top: 0; margin-bottom: 0;"><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Lower in range - Building skills and experience in the role</li><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Mid-range - Experience and skills align with proficiency in the role </li><li style="font-size: 10pt; font-family: Montserrat,sans-serif; color: #666666; font-weight: 400;" aria-level="1">Higher in range - Experience and skills add value above typical requirements of the role </li></ul> Some roles may be eligible for performance-based compensation and/or stock-based incentives awarded to employees based on company and individual performance.  

Salary:
$110,000 - $170,000

Work Model:
OFFICE

Sr Eng, AI Platform

Senior AI Engineer

5+ years in platform engineering or high-scale backend; 3+ years developing with LLMs; strong AI/ML, NLP, CV; cloud (AWS/GCP) and MLOps; Python, TF, PyTorch; data pipelines; mentorship and collaboration.

Backend Python Developer Jobs in Montecito, CA, US | HiringCafe: every job on earth

Backend Python Developer Jobs in Montecito, CA, US

Backend Python Developer Jobs market signals in Montecito, CA, US

Companies appearing in this market

Work location mix in visible results

Related browse hubs