back end developer Jobs in california

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Core Java and SQL / Remote / Construction Planning Software

Motion Recruitment Partners, LLC

Remote or Boston, Massachusetts, USA

Full-time

Join a small, agile team building a highly scalable, cloud-based backend powering complex data-driven web applications. This is a great opportunity for a backend engineer with strong Java and SQL expertise who thrives in a startup-like environment and enjoys tackling performance-heavy challenges. This is an opportunity to work side-by-side with the Chief Software Architect on a lean team driving architecture and core functionality. You'll be writing highly concurrent Java code and building syste

Backend Architect

Hirextra

Remote

Contract

Job Description We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems and trading platforms to lead the backend architecture and development for a new Futures Commodity Commissions Market (FCM) application. This platform, envisioned as a regulated sports prediction market and Robinhood s Prediction Market, will be built for a large-scale financial trading domain. The ideal candidate should have hands-on experience designing and scaling backend systems fo

Senior Artificial Intelligence Test Engineer

iSpace, Inc

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

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

Senior Backend Software Engineer, TikTok MultiMedia Data Platform

TikTok

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

Backend Software Engineer, TikTok MultiMedia Data Platform

TikTok

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

Backend Software Engineer, Global Ads Demonstration

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A139625A Apply to this job Share this listing: Responsibilities CommercePack team is responsible for connecting commercialization with the user community ecosystem. We provide data assembly and management for the display and interaction of advertisements, and promote a sustainable development ecosystem for advertising content.Our aim is to provide a unified platform for end-to-end commercial presentations and marketing data interact

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,

Senior Backend Software Engineer, Global Ads Demonstration

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A52727 Apply to this job Share this listing: Responsibilities CommercePack team is responsible for connecting commercialization with the user community ecosystem. We provide data assembly and management for the display and interaction of advertisements, and promote a sustainable development ecosystem for advertising content.Our aim is to provide a unified platform for end-to-end commercial presentations and marketing data interactio

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

.Net Backend Lead

Photon

Remote

Contract, Third Party

.Net Backend Lead Developer Remote We are seeking a hands-on Lead Backend Engineer to help build a new Futures Commodity Commissions Market (FCM) platform a greenfield, regulated financial trading product focused on binary sports prediction markets. This is a rare opportunity to shape the architecture and implementation of a federally regulated financial system from the ground up. You'll be responsible for designing and developing core backend services for a compliant, low-latency trading platfo

Software Engineer II, Identity Platform

Rippling

San Francisco, California, USA

Full-time

About Rippling Rippling gives businesses one place to run HR, IT, and Finance. It brings together all of the workforce systems that are normally scattered across a company, like payroll, expenses, benefits, and computers. For the first time ever, you can manage and automate every part of the employee lifecycle in a single system. Take onboarding, for example. With Rippling, you can hire a new employee anywhere in the world and set up their payroll, corporate card, computer, benefits, and even

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

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

SigmaWay

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

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

Senior Backend Software Engineer, Shop Ads

TikTok

San Jose, California, USA

Full-time

Location : San Jose Employment Type : Regular Job Code : A112349 Apply to this job Share this listing: Responsibilities The eCommerce industry has seen tremendous growth in recent years and has become a hotly contested space amongst leading Internet companies. TikTok Shop re-imagines global eCommerce with rich content and endless joy. The mission of Shop Ads team is to empower commerce merchants of all sizes to grow their business efficiently within TikTok's closed-loop ecosystems. Shop A

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

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:

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

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