Backend Engineer Tech Lead Jobs in San Francisco, CA

Refine Results
21 - 40 of 108 Jobs

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

Tesla Motors

•

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 7 days ago | Updated 9 hours ago

Principal Software Engineer (Backend), Communication

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 9 hours ago

Internship, Backend Software Engineer, Diagnostics (Fall 2025)

Tesla Motors

•

Remote or Palo Alto, California, USA

Full-time

Consider before submitting an application: 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 a
Posted 22 days ago | Updated 9 hours ago

Backend Python Engineer (REMOTE)(No C2C/H1B)

NetSource, Inc.

•

Remote

Contract

No C2C/H1B Remote, preference in the LA area to come into the occasional in person meetings. Please note that this is a 4-month contract position. Tech Stack / Tools: Python (NumPy, Pandas, SciPy) SQL (PostgreSQL or MySQL preferred) Github Jupyter notebook Experience with production systems and deployment environments Requirements: 3+ years of experience in backend development using Python in a production environment. Must know be proficient in NumPy, Pandas, SciPy, and Object-Oriented Progra
Easy Apply
Posted 4 days ago | Updated 2 days ago

Backend/Platform Software Engineer

PsiQuantum

•

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 52 days ago | Updated 9 hours ago

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

Cyber Sphere LLC

•

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
Easy Apply
Posted 5 days ago | Updated 23 hours ago

Lead Backend Engineer, Python (Costa Rica)

Launch Potato

•

Remote

Full-time

WHO ARE WE? Launch Potato is a digital media company with a portfolio of brands and technologies. As The Discovery and Conversion Company, Launch Potato is a leading connector of advertisers to customers at all parts of the consumer journey, from awareness to consideration to purchase. The company is headquartered in vibrant downtown Delray Beach, Florida, with a unique international team across over a dozen countries. Launch Potato's success comes from a diverse, energetic culture and high-pe
Posted 4 days ago | Updated 9 hours ago

Lead Backend Engineer, Python

Launch Potato

•

Remote

Full-time

WHO ARE WE? Launch Potato is a digital media company with a portfolio of brands and technologies. As The Discovery and Conversion Company, Launch Potato is a leading connector of advertisers to customers at all parts of the consumer journey, from awareness to consideration to purchase. The company is headquartered in vibrant downtown Delray Beach, Florida, with a unique international team across over a dozen countries. Launch Potato's success comes from a diverse, energetic culture and high-pe
Posted 4 days ago | Updated 9 hours ago

Software Engineer - Backend

Snowflake Inc.

•

Menlo Park, California, USA

Full-time

Build the future of the AI Data Cloud. Join the Snowflake team. We're at the forefront of the data revolution, committed to building the world's greatest data and applications platform. Snowflake started with a clear vision: develop a cloud data platform that is effective, affordable, and accessible to all data users. Data Cloud allows sharing live data in governed and secure ways so our customers can solve their business problems. Data Cloud allows sharing live data in governed and secure way
Posted 60+ days ago | Updated 9 hours ago

Checking in- (100% remote considered) Are you interested in a Senior Software Engineer, Backend opportunity to work with a company focused on metabolic health

VortexLink

•

Remote or Mountain View, California, USA

Full-time

Senior Software Engineer, Backend Full Time position-Office located in Mountain View, CA (100% remote considered) We are looking for a Senior Backend Engineer to join our team and play a key role in developing integrations with third-party scheduling systems, and clinical tools to support our clinical operations teams. Responsibilities Develop, optimize, and maintain backend services using Spring Boot, REST APIs, and SQL databases. Architect and build scalable integrations with third-party sys
Easy Apply
Posted 40 days ago | Updated 8 days ago

Sr. Back-End Software Engineer

DRC Systems USA LLC

•

Remote

Contract

Overview of Project: THE LFRM 2.0 PROJECT AIMS TO MODERNIZE HOW FREIGHT RATES ARE CALCULATED, MANAGED, AND VALIDATED ACROSS OUR ORGANIZATION. THIS INITIATIVE INVOLVES DEVELOPING A SCALABLE PLATFORM ON NEWER INFRASTRUCTURE COMPONENTS AND TECHNOLOGIES, REPLACING CURRENT MANUAL PROCESSES WITH AUTOMATED SOLUTIONS.Required Skills & Experience: 5+ years of experience in back-end development, with a strong focus on database development. Proficiency in Python, Java, Node.js and related frameworks. Exten
Easy Apply
Posted 4 days ago

Backend JAVA Engineer (REMOTE- EST Timezone)(No C2C/H1B)

NetSource, Inc.

•

Remote

Contract

No C2C/H1B Java backend development experience is a must; all others will be rejected. Network programming techniques (SMP, TCP/IP, Sockets) is a must. Please note that this is a 6-month contract position with possibility to extend. A coding exercise to validate technical skills will be on the 1st interview with client.Remote Work Considerations: While we prefer candidates to work onsite, we are open to remote candidates as long as they can commit to core working hours in US Eastern Time.Locati
Easy Apply
Posted 3 days ago | Updated 2 days ago

Backend Software Engineer, Machine Learning Platform, AI Infrastructure

Tesla Motors

•

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 9 hours ago

Senior Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

•

Remote or Eagan, Minnesota, USA

Full-time

Senior Backend Engineer, Materia AI Are you excited about building AI-driven software that redefines how professionals work? Join a dynamic and highly skilled team at Thomson Reuters, where we combine the agility and innovation of a startup with the stability and resources of a global leader. As a Senior Backend Engineer, you will play a pivotal role in developing AI-powered systems that enhance accounting workflows through automation, intelligence, and seamless orchestration. About the Role:
Posted 60+ days ago | Updated 9 hours ago

Remote Lead Backend Developer - .NET - Up To $200k & Equity

Michael Page International

•

Remote or Chicago, Illinois, USA

Full-time

Join a growing organization with equity on offer from day 1Work 100% remotely - must be based in the USA to be eligible! About Our Client This organization is offering a candidate a 100% remote opportunity to work at a SaaS company that recently received funding, and is looking to expand their internal engineering team. The company is currently less than 10 employees, and is a fully remote organization with employees across the US. This is a fantastic opportunity to join an organization, get e
Posted 29 days ago | Updated 6 hours ago

Back End Lead Java Analyst - C13 - IRVING

Citi

•

Remote or Irving, Texas, USA

Full-time

The Back End Lead Java Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products
Posted 33 days ago | Updated 9 hours ago

Staff Software Engineer - Java Backend

CVS Health

•

Remote or Woonsocket, Rhode Island, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 60+ days ago | Updated 9 hours ago

Backend Software Engineer, Optimus & Robotaxi

Tesla Motors

•

Remote or Palo Alto, California, USA

Full-time

Tesla AI's Teleoperation team is charged with providing remote access to our robotaxis and humanoid robots. Our cars and robots operate autonomously in challenging environments. As we iterate on the AI that powers them, we need the ability to access and control them remotely. This requires building highly optimized low latency reliable data streaming over unreliable networks in the real world. At Tesla, we control the entire hardware and software stack, end to end. Our goal is to integrate our h
Posted 60+ days ago | Updated 9 hours ago

Tech Lead Manager, Engineering - Guest & Host

Airbnb

•

Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: The Host Pricing org is looking for a Tech Lead Manager (TLM) to help us craft the next generation of prici
Posted 60+ days ago | Updated 9 hours ago

Principal Software Engineer Backend

Everest Consultants, Inc

•

Remote or Lowell, Massachusetts, USA

Contract

Title: Principal Software Engineer(Back-End) Location: Lowell, MA. Onsite Preferred( Open to Fully Remote) Duration: 6+ Months contract with Possibility for extension Pay Rate Range: $82.42/hr. on W-2. Onsite- Preferred. Hours: 9am- 5pm EST. Open to Remote , but contractor needs to work EST. Job Description: Our Direct client is looking for a Principal Software Engineer developing back-end applications. . Position Summary: Our Principal Engineers work with a variety of technologies and groundb
Easy Apply
Posted 2 days ago | Updated moments ago