Lead Software Engineer (Python) Jobs in San Jose, CA

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Lead AI/ML Software Engineer - Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 21 days ago | Updated 6 hours ago

Senior Backend Software Engineer, TikTok MultiMedia Data Platform

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A246238 Apply to this job Share this listing: Responsibilities About the Team Our team's mission is to scalable, reliable, complicant and valuable data products to power the next generation player development, multimedia domain experience optimization and cost saving. We are looking for seasoned backend software engineers that have strong problem solving skills and coding skills to build and manage scalable, reliable systems. You wi
Posted 26 days ago | Updated 5 hours ago

Backend Software Engineer, TikTok MultiMedia Data Platform

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A101859 Apply to this job Share this listing: Responsibilities About the Team Our team's mission is to scalable, reliable, complicant and valuable data products to power the next generation player development, multimedia domain experience optimization and cost saving. We are looking for seasoned backend software engineers that have strong problem solving skills and coding skills to build and manage scalable, reliable systems. You wi
Posted 26 days ago | Updated 6 hours ago

Lead I&C Software Support Engineer (Remote Eligible, U.S.)

GE Vernova

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Remote or Wilmington, North Carolina, USA

Full-time

Job Description Summary The Lead I&C (Instrumentation & Controls) Software Support Engineer works within the I&C Engineering team of the GE Hitachi (GEH) Engineering organization. The I&C team is responsible for designing and implementing electronic hardware and software for I&C systems for Nuclear Power Plants. The I&C Software team has strong interfaces with electronic hardware design and plant system operations. This role requires technical problem solving, strong software testing and develop
Posted 26 days ago | Updated 6 hours ago

Senior Staff AI Engineer - LLM inference optimization

Yoh - A Day & Zimmerman Company

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Remote or San Jose, California, USA

Full-time

Senior Staff AI Engineer LLM inference optimization Roles and Responsibilities: Design and architect technical solutions to deliver foundational AIOS capabilities within SkyOS across ECU domains in electric vehicles (EVs).Lead the development of proof-of-concept projects to evaluate architectural designs for functionality, performance, security, and reliability.Collaborate closely with engineering teams to understand real-world development constraints and ensure high-quality implementation, val
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Posted 36 days ago | Updated moments ago

Simulation Solutions Engineer

Codeforce 360

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Remote or San Jose, California, USA

Third Party

Career Opportunity: Job Title: Simulation Solutions Engineer About CodeForce 360 Making a career choice is amongst the most critical choices one can make, and it's important for the choice to be calculated with factors such as a company's run of success since its inception and more. But, when you come across a company that has reputation proven with nothing but an illustrious run of success since the day it began, you don't need to think of anything else. That's precisely what some of our em
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Posted 6 days ago | Updated 1 day ago

Lead Python Engineer/Architect - SVP - NEW YORK

Citi

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Remote or New York, New York, USA

Full-time

Citi Innovation Labs is a global network of innovation centers focused on delivering cutting edge solutions to all of Citi's lines of business. Our Mission is to create a competitive advantage for our clients, manifested as change in the way they operate, by providing innovative technological solutions with strong client engagement, from idea to production, and by leveraging the entrepreneurial spirit and technological excellence fostered in the Innovation Labs. Our Labs Network is a global org
Posted 46 days ago | Updated 5 hours ago

Machine Learning Engineer, App Ads and Gaming

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : T9464 Apply to this job Share this listing: Responsibilities The App Ads and Gaming team empowers TikTok's global monetization (billion-dollar business) via efficiently delivering application ads on TikTok. Our mission is to push the boundaries of large-scale ads delivery systems and lead the innovations of TikTok's personalized online advertising. Hence, you'll have a chance to get deeply involved in our large-scale distributed sys
Posted 26 days ago | Updated 6 hours ago

Senior Machine Learning Engineer, App Ads and Gaming

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : M4256 Apply to this job Share this listing: Responsibilities The App Ads and Gaming team empowers TikTok's global monetization (billion-dollar business) via efficiently delivering application ads on TikTok. Our mission is to push the boundaries of large-scale ads delivery systems and lead the innovations of TikTok's personalized online advertising. Hence, you'll have a chance to get deeply involved in our large-scale distributed sys
Posted 26 days ago | Updated 5 hours ago

Software Engineer I, DevSecOps (Hybrid-Puerto Rico)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-20 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Join Collins Aerospace as an entry level DevSecOps, Software Engineer. We are looking for a strong, passionate problem-solver with an action-oriented, collaborative mindset who strives t
Posted 7 days ago | Updated 5 hours ago

(Python Based) Lead Research Engineer

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Research Engineer Do you love creating innovative solutions for customers? We are seeking a passionate Lead Research Engineer who will bring expertise in AI and ML and is interested in building data-driven capabilities that drive transformation. As a member of Thomson Reuters Labs you will have a direct impact on our company by helping to create new and innovative capabilities that will delight our customers. What does Thomson Reuters Labs do? We experiment, we build, we deliver. We suppor
Posted 60+ days ago | Updated 6 hours ago

Staff Software Engineer in Test Systems Engineer

GE Aerospace

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Remote

Full-time

Job Description Summary Are you ready to take the lead in designing cutting-edge software architectures for data acquisition systems used in aircraft engine testing? Join our Data Acquisition Systems team and revolutionize how we acquire, store, manage, and process test data. You'll evaluate both vendor and in-house systems, explore new technologies, and spearhead software development efforts to advance our test cell systems. If you're passionate about collaborating with a dynamic team to upgrad
Posted 1 day ago | Updated 5 hours ago

Software Engineer Graduate (Programming Language- Product RD and Infrastructure) - 2025 Start (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A249063A Apply to this job Share this listing: Responsibilities Team Introduction Our team works to build out the development services that enable engineers to deliver high-quality features and systems to our users. We aim to provide systems enabling software development streamline and productive. The systems we are building include Cloud IDE, Intelligent Unit Test Generation, code and build systems, CI/CD software, Micro service ma
Posted 26 days ago | Updated 5 hours ago

Backend Software Engineer, TikTok - Social Interaction

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A2342A Apply to this job Share this listing: Responsibilities TikTok Social team drives significant user engagement and retention wins through fun, innovative, and technically sophisticated products and features. We move fast, with precision, and consistently execute with privacy at the forefront. Social Interaction team is mainly focusing on building a reliable and adaptive platform that enables users to meet and interact with thei
Posted 17 hours ago | Updated 6 hours ago

(General Hire) Software Engineer Intern (TikTok Eng) - 2025 Fall (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A75028 Apply to this job Share this listing: Responsibilities Our team's mission is to power the creator economy by offering economic opportunities for creators who inspire creativity, bring joy, and provide value to our community. We are a product facing team and you will work closely with a multi-disciplinary team (Product, Research, Design, and Data) to define and build solutions for creators who inspire members of our community e
Posted 26 days ago | Updated 6 hours ago

Software Engineer Graduate (TikTok Short Video) - 2025 Start (BS/MS)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A185091 Apply to this job Share this listing: Responsibilities The TikTok short video engineering team is responsible for building various kinds of new experiences for the TikTok app: content creation, social, open platform, user growth and PGC. This includes ensuring our systems are scaling to handle the ever-growing user base of TikTok and expanding our reach by making our tools accessible through our open platform. We are looking
Posted 26 days ago | Updated 5 hours ago

Machine Learning Engineer Intern (Search-TikTok.US) - 2025 Summer (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Intern Job Code : A157589A Apply to this job Share this listing: Responsibilities Team Introduction Our Search Engineering Team is responsible for building and owning TikTok's search engine which can provide our users with the best search experience. In TikTok Search Team, you'll have the opportunity to build full-stack search engine system and combine information retrieval technology with modern machine learning methods from related fields such as NL
Posted 26 days ago | Updated 5 hours ago

Senior Software Engineer - Ads Identity and Attribution

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A230396 Apply to this job Share this listing: Responsibilities In an industry where signal loss is becoming the new norm in online advertising, our Ads Identity and Attribution team tackles the evolving landscape of identity matching (acquiring user identification from signals) and attribution (assigning signals to ad touchpoints). What was once an engineering problem has transformed into a system engineering challenge that is not o
Posted 26 days ago | Updated 5 hours ago

Machine Learning Engineer, E-commerce Governance Algorithms

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A122628 Apply to this job Share this listing: Responsibilities The e-commerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies, and its future growth cannot be underestimated. With millions of loyal users globally, we believe TikTok is an ideal platform to deliver a brand new and better e-commerce experience to our users. We aim to bring discovery, inspirat
Posted 26 days ago | Updated 6 hours ago

Machine Learning Engineer Graduate (E-commerce Governance Algorithms) - 2025 Start (PhD)

TikTok

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San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A42279 Apply to this job Share this listing: Responsibilities Governance and Experience team of e-commerce are responsible for ensuring the safety and trustworth of the marketplace for not only our users, but also sellers and creators. We value our users' satisfaction by working on policies, rules and systems to ensure the quality. We are looking for an algorithm technical manager who is obsessed with customer experience and passion
Posted 26 days ago | Updated 6 hours ago