back-end developer Jobs in san francisco, ca

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Computer Scientist

Software Guidance & Assistance

•

San Francisco, California, USA

Contract

Software Guidance & Assistance, Inc., (SGA), is searching for a Computer Scientist for a contract assignment with one of our premier SaaS clients. This role is hybrid in San Jose or San Francisco, CA . We're looking for an experienced Backend Engineer to join the team as a Computer Scientist (Level 3/4) and spearhead the development of a next-generation agentic automation framework. This framework will ingest a conversation (via NLP/LLMs) where strategies and tactics are agreed upon, and
Posted 24 days ago | Updated 6 hours ago

Senior Machine Learning Engineer - Fraud & Optimization

Roblox

•

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 9 days ago | Updated 8 hours ago

Sr UI developer

URSI Technologies Inc.

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Remote

Third Party, Contract

Sr UI developer Location: Atlanta, GA Duration : 12 months Responsibilities : As a Senior Front End engineer, you'll own the UI of the company's large-scale product and work alongside backend developers for new feature developmentThe company creates a collaborative construction planning platform that improves project predictability and efficiencyThey also provide real-time collaboration for contractors and project managers providing services like real-time analytics and reporting as well as int
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Posted 7 days ago | Updated 6 days ago

Senior Android Engineer

Abbott Laboratories

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Alameda, California, USA

Full-time

Abbott is a global healthcare leader that helps people live more fully at all stages of life. Our portfolio of life-changing technologies spans the spectrum of healthcare, with leading businesses and products in diagnostics, medical devices, nutritionals and branded generic medicines. Our 114,000 colleagues serve people in more than 160 countries. Job Title Senior Android Engineer Working at Abbott At Abbott, you can do work that matters, grow, and learn, care for yourself and your family, b
Posted 60+ days ago | Updated 17 hours ago

Backend/Platform Software Engineer

PsiQuantum

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Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 54 days ago | Updated 8 hours ago

Principal Engineer, Earner, Backend

Uber Corporate

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San Francisco, California, USA

Full-time

About the Role Principal engineers at Uber have a deep impact across a wide variety of business and technology decisions spanning multiple projects and locations. They are passionate and pragmatic technologists who are able to design scalable systems while delivering efficient code. They are not only collaborative role models, but also approachable leaders with a point of view within a larger group. They are humble teachers, technically mentoring a team of passionate engineers while also deliv
Posted 60+ days ago | Updated 8 hours ago

Internship, Backend Engineer, Cell Manufacturing Software (Fall 2025)

Tesla Motors

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Fremont, California, USA

Full-time

This position is expected to start around August or September 2025 and continue through the Fall term (ending approximately December 2025) or continuing into Winter/Spring 2026 if available and there is an opportunity to do so. We ask for a minimum of 12 weeks, full-time and on-site, for most internships. Our internship program is for students who are actively enrolled in an academic program. entry level candidates seeking employment after graduation and not returning to school should apply for
Posted 9 days ago | Updated 8 hours ago

Engineering Manager II, Fares Platform

Uber Corporate

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San Francisco, California, USA

Full-time

About the Team The Marketplace Fares Platform Team powers global fares for all of Uber - that's all riders, drivers, eaters, new initiatives and technical consumers. Tens of billions of dollars in gross bookings flow through the systems and experiences within our responsibility. Our scope and critical work spans the entire stack - from platform fare calculation for riders and drivers, to data science prediction of trustworthy upfront prices, to compelling mobile fare experiences for our custome
Posted 60+ days ago | Updated 8 hours ago

Sr Software Engineer - Ads

Uber Corporate

•

San Francisco, California, USA

Full-time

About the Role Uber is changing the way people think about transportation. Not that long ago, we were just an app to request premium black cars in a few metropolitan areas. Now we're a part of the logistical fabric of cities everywhere. Whether it's a ride, a sandwich, or a package, we use technology to give people what they want, when they want it. We're looking for Senior backend engineers to join our team to help grow the UberEats ads business which enables eaters to discover new foods, and
Posted 60+ days ago | Updated 8 hours ago

Senior Software Engineer

Uber Corporate

•

San Francisco, California, USA

Full-time

About the Role Uber is changing the way people think about transportation. Not that long ago, we were just an app to request premium black cars in a few metropolitan areas. Now we're a part of the logistical fabric of cities everywhere. Whether it's a ride, a sandwich, or a package, we use technology to give people what they want, when they want it. We're looking for Senior backend engineers to join our team in SF to help grow the UberEats ads business which enables eaters to discover new food
Posted 60+ days ago | Updated 8 hours ago

Senior Software Engineer, Marketplace Foundation

Roblox

•

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 29 days ago | Updated 8 hours ago

Backend Software Engineer, Machine Learning Platform, AI Infrastructure

Tesla Motors

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Palo Alto, California, USA

Full-time

As a Software Engineer within the Autopilot AI Infrastructure team, you will work on reinforcing, optimizing, and scaling our infrastructure components supporting AI research activities for Autopilot and the Optimus. At the core of our autonomy capabilities are neural networks that the research team is designing to train on very large amounts of data, across large-scale GPU clusters and our supercomputer Dojo. Robustly training these models at scale and in the shortest amount of time is critica
Posted 60+ days ago | Updated 8 hours ago

Senior Software Engineer, Engineering Efficiency

Roblox

•

San Mateo, California, USA

Full-time

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences- all created by our global community of developers and creators. At Roblox, we're building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device.We're on a mission to connect a billion people with op
Posted 60+ days ago | Updated 8 hours ago

Principal Backend Engineer

3M Company

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Remote or Maplewood, Minnesota, USA

Full-time

Job Description: Principal Backend Software Engineer Collaborate with Innovative 3Mers Around the World Choosing where to start and grow your career has a major impact on your professional and personal life, so it's equally important you know that the company that you choose to work at, and its leaders, will support and guide you. With a wide variety of people, global locations, technologies and products, 3M is a place where you can collaborate with other curious, creative 3Mers. This positi
Posted 19 days ago | Updated 8 hours ago

senior backend engineer

When I.T. Matters LLC

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Remote

Full-time

Please Only apply if this is a solid fit. NO 3rd parties- Client does NOT sponsor Senior Backend Engineer What You ll Do: Design, build, and optimize backend systems that power real-time and batch video rendering pipelines.Lead API development (GraphQL and REST) and integrate with tools like OpenAI, stock footage providers, and CRM platforms.Develop features for a new paid API product enabling large-scale CRM integration.Tackle AI-enhanced video editing workflows and drive quality improvements.
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Posted 20 days ago | Updated 7 days ago

Angular Developer

intiGrow

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Remote

Full-time

100% Remote <>Job Summary:We are looking for an experienced Angular Developer to build and maintain dynamic web applications. The ideal candidate should have strong expertise in front-end development using Angular, along with experience in integrating APIs and optimizing UI/UX. <>Responsibilities:Develop, test, and maintain web applications using Angular (Angular 8+ preferred).Build responsive and user-friendly UI components.Integrate RESTful APIs and third-party services.Optimize application p
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Posted 27 days ago

Senior Backend Software Engineer

S&P Consultants

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Remote or Cambridge, Massachusetts, USA

Full-time

Kensho is S&P Global's hub for AI innovation and transformation. With expertise in Machine Learning and data discovery, we develop and deploy novel solutions for S&P Global and its customers worldwide. Our solutions help businesses harness the power of data and Artificial Intelligence to innovate and drive progress. Kensho's solutions and research focus on speech recognition, entity linking, document extraction, automated database linking, text classification, natural language processing, and mo
Posted 22 days ago | Updated 8 hours ago

Java Full Stack Developer

Raas Infotek LLC

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Remote or Atlanta, Georgia, USA

Contract

Position: Java Full Stack DeveloperContract: W2 Only Responsibilities: 10+ years of experience in Java and Java frameworks (Spring, Spring Boot, Hibernate) with strong hands-on coding ability.Design, develop, and maintain enterprise-level web applications using Java on the back end and frameworks like Angular/React on the front end.Collaborate with UI/UX and back-end developers to deliver integrated and user-friendly features.Implement and maintain RESTful APIs for smooth front-end and back-end
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Posted 2 hours ago

Lead Python Backend Engineer - Danburry,CT - Remote with client visits - Fulltime

Cyber Sphere LLC

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Remote

Full-time, Third Party

Lead Python Backend Engineer Remote with Occasional Visits to Danbury, CT Interview Mode: In person We re looking for a Lead Backend Engineer to drive backend development, optimize data infrastructure, and support critical integrations across our ecosystem. You ll play a pivotal role in modernizing our backend architecture to ensure scalability, reliability, and efficiency, while leading transformative initiatives such as: Enhancing CRM and subscription management systems to improve customer en
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Posted 7 days ago | Updated 2 days ago

Fullstack Developer (React / Next.js / Node.js)

Optime Tech

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Remote

Contract

Job Title: Full Stack Developer (React / Next.js / Node.js) Location: ["Remote" for candidates who are in MI, IL, IN, OH, WI, KY] Experience Level: 3+ Years Employment Type: [Contract] ** W2 position only ** "No C2C or Corp-to-Corp" About the Role: We are seeking a talented and self-driven Full Stack Developer with a minimum of 3 years of professional experience to join our growing development team. The ideal candidate will have a strong foundation in Next.js, React, Node.js, and GraphQL, along
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Posted 12 days ago