Backend Developer Jobs in California

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Senior Node Engineer / AI startup / Onsite in SF

Motion Recruitment Partners, LLC

•

San Francisco, California, USA

Full-time

Our client is currently searching for a Senior Backend Engineer to join their team onsite in their San Francisco office. This is a software company specializing in secure AI-driven account access and control software supporting data migrations, payroll and e-commerce. As a Senior Backend Engineer, you will be architecting and scaling up their enterprise data migration platform using TypeScript and Nodejs. The ideal candidate is excited about working with a startup and eager to jump into the AI s
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Posted 37 days ago | Updated 2 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
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Posted 6 days ago | Updated 3 days ago

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

NetSource, Inc.

•

Los Angeles, California, USA

Contract

No C2C/H1B Only local candidates need to apply. Hybrid, 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
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Posted 6 days ago | Updated 3 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
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Posted 6 days ago

Senior Artificial Intelligence Test Engineer

iSpace, Inc

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Remote

Contract

Senior Artificial Intelligence Test Engineer Location: Hybrid of 3 days/month onsite during the 2 nd full week of each month in either Denver, CO/Brentwood, TN/Malvern, PA or 100% remote with travel 2-3 times/year (if remote) Duration - 3 6-month Contract to Hire Opportunity Working Hours Mon-Fri, from 8AM 5PM EST This is an exciting opportunity to join a new team that will be supporting the testing efforts for AI products within an industry leading healthcare organization. This team will be s
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Posted 34 days ago | Updated 2 days ago

System Administration - Collaboration Engineer II Collaboration Engineer II

ACL Digital

•

California, USA

Full-time

Job Description: IMPORTANT TO KNOW: 1. Remote, preference in the LA area to come into the occasional in person meetings; virtual candidates will also be considered. 2. Resource will be paid as a W-2 employee by the staffing supplier. 3. Staffing suppliers - please do not contact the hiring manager directly. Only suppliers in scope of the CWM program can submit candidates for this position. Job Title: Python Backend Engineer (Contract) About the Role: We are looking for a highly skilled Py
Posted 1 day ago | Updated 6 hours ago

Java Developer

Business Needs Inc.

•

Diamond Bar, California, USA

Contract

Location : Wilmington, DE (onsite 3 days a week) Duration 12-24mth + Must have: 5+ years Backend Java development MS messaging ex Kafka Spring Integration exp Banking exp LinkedIn page We are seeking a skilled Mid-Tier to Backend Java Developer to join our dynamic team. The ideal candidate will have 4 5 years of experience in core Java and Spring, with a strong background in backend development and integration. This role involves working on a platform responsible for installation and updates,
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Posted 13 days ago | Updated moments ago

.NET Architect (.net framework, Full stack backend , Web development)

SigmaWay

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Los Angeles, California, USA

Contract

Apply by Email/Direct Application at Role: .NET Architect Duration: 6 months (possible extension) Interview Process: 2 Video Interviews Client Location: Woodland Hills, CA Work Status: or It will be hybrid 3 times a week on0site and 32 days remote. If the candidate is asking for 1 or 2 times a week, that could work as well. Job Description Management experience - might stair step into managing multiple peopleConsulting on how to build out teams - with offshore/onshoreVery task oriented/Good comm
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Posted 4 days ago | Updated 4 days ago

Sr. Node Engineer, Event-driven Architecture

Motion Recruitment Partners, LLC

•

Irvine, California, USA

Full-time

Our client is redefining how creators and users connect on social platforms-blending content, community, and commerce into a next-gen digital experience. Their team is building scalable, event-driven backend systems that power seamless interactions across mobile and web apps. As they grow, they're looking for backend engineers who thrive in fast-paced, startup environments and are passionate about building resilient, distributed systems. If you're excited by the challenge of supporting real-time
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Posted 26 days ago | Updated 2 hours ago

Backend Node Engineer, Hybrid in West Los Angeles

Motion Recruitment Partners, LLC

•

Los Angeles, California, USA

Full-time

This is a hybrid position based in West Los Angeles, CA. Our client is building the future of online shopping, creating an intuitive and engaging experience that connects customers with the products they love. Their team is focused on crafting high-performance mobile and web applications that make browsing, buying, and checkout effortless. As they scale, they are looking for engineers who thrive in fast-paced environments. If you're passionate about building sleek, scalable applications and want
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Posted 9 days ago | Updated 2 hours ago

Senior Software Engineer - UberEats Order Platform

Uber Corporate

•

San Francisco, California, USA

Full-time

About the Role You will be joining the UberEats Order Platform Team. This team supports mainly 3 tracks - Keeping standards for existing platforms to run the business, supporting core products that need changes at the platform level, and writing the Next-Gen order platform that could spawn new delivery verticals quickly, is maintainable, and scalable. What You'll Do As a Backend Engineer in the Order Platform Team at Uber and being part of Grocery/Consumer Fulfillment org, you'll be working o
Posted 52 days ago | Updated 6 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 6 hours ago

Lead Software Engineer (Backend) - Materia AI

Thomson Reuters U.S. Inc.

•

Remote or Eagan, Minnesota, USA

Full-time

Lead 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 Lead 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: In t
Posted 60+ days ago | Updated 6 hours ago

Lead Software Engineer

PMAA Inc

•

San Diego, California, USA

Full-time

PMAA Inc is currently seeking a Direct Hire Sr C++ Developer/Programmer for a large client in San Diego, CA with proven experience in LINUX, Embedded programming, and C++ for backend Development. MUST HAVES Very technically sound as a Sr. C++ Developer/Programmer Sr. Developer who has had some leadership or managerial responsibilities C++ for Back-End Dev LINUX SDR - Software Defined Radios - HUGE PLUS Device Drivers -Developed drivers for instruments - HUGE PLUS Would like to have Embedded pro
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Posted 53 days ago | Updated moments ago

Senior Mobile Engineer

IDR, Inc.

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Remote

Contract

IDR is seeking a Senior Mobile App Engineer to join one of the fastest growing healthtech startups in the country,remotely. This is a unique opportunity to work with a mission-driven team using cutting-edge technology to transform preventive healthcare at scale. If you're passionate about innovation, health optimization, and building high-impact mobile experiences, please apply today! Position Overview: Lead and contribute to the design, development, and deployment of cutting-edge mobile appli
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Posted 19 days ago | Updated 18 days ago

Senior Software Development Engineer

Adobe Systems

•

San Jose, California, USA

Full-time

Our Company Changing the world through digital experiences is what Adobe's all about. We give everyone-from emerging artists to global brands-everything they need to design and deliver exceptional digital experiences! We're passionate about empowering people to create beautiful and powerful images, videos, and apps, and transform how companies interact with customers across every screen. We're on a mission to hire the very best and are committed to creating exceptional employee experiences wher
Posted 60+ days ago | Updated 6 hours ago

Senior Cloud Developer (AWS)- Remote (Future Opportunity)

ICF

•

Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* * This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* We're seeking a talented Cloud backend developer to join our dynamic team. As a key member of our engineering department, you'll play a pivotal role in designing, developing, and maintaining robust backend applications and services. Responsibilities: Des
Posted 42 days ago | Updated 6 hours ago

Senior JavaScript Developer

Randstad - Torc

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Remote

Contract

We are looking for a Senior JavaScript Developer to join our dynamic team. As a key contributor, you will be responsible for designing, developing, and maintaining scalable and high-performance web applications. You will work with modern frameworks, APIs, and cloud-based services to deliver top-tier software solutions. ResponsibilitiesDesign, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,
Posted 40 days ago | Updated 3 days ago

Backend .Net Developer

CSI Companies

•

Costa Mesa, California, USA

Contract

Backend .Net Developer - Costa Mesa, CA - Hybrid CSI Companies is hiring a highly qualified Backend .Net Developer for a comprehensive global provider of cloud-based Human Capital Management solutions and Business Process Outsourcing (BPO) services, analytics and compliance located in Costa Mesa, CA. As a Fullstack .net developer you'll bring your 3+ years of experience developing and maintaining applications built using the .NET framework. They must have a deep understanding of the front-end a
Posted 60+ days ago | Updated 2 hours ago

Sr. Software Backend Engineer, Manufacturing Quality

Tesla Motors

•

Fremont, California, USA

Full-time

The Manufacturing Quality Data Engineering team is a high-impact, high-priority, and high-visibility team that is laser-focused on addressing safety-critical issues and expanding critical services to Gigafactories worldwide. As part of Tesla's Vehicle Engineering organization, you will have access to a vast array of data sources across design, manufacturing, and vehicle data, empowering you to design, develop, and deploy innovative data services, automation, and machine learning tools into produ
Posted 4 days ago | Updated 6 hours ago