Backend development jobs in California

Senior Software Developer- Backend Infrastructure Development

Redwood City, California

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Today

Job Description We are looking for engineers to design, implement, and develop test applications across Exadata, OCI, and other cloud platforms, as well as AI-driven validation applications for multi-cloud database services and infrastructure technologies. Oracle Exadata is the cornerstone of Oracle Cloud's infrastructure. Our projects involve developing and delivering next-generation capabilities with cutting-edge infrastructure features that seamlessly integrate with leading hyperscaler clou

Full-time

USD 79,200.00 - 178,100.00 per year

NodeJS Back-End Software Development Engineer

Remote

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21d ago

Job Title: Node JS backend Developer Duration: 6 Months (Possible Extension) Location: 100% Remote Position Overview: We are seeking a Senior Software Development Engineer to join our Integration Team. This role focuses on designing and developing secure, scalable, and resilient integration services that connect key enterprise applications (ERP, SCM, CRM, eCommerce) using AWS-based microservices built with Node.js, Java, or Python.The ideal candidate is a hands-on developer experienced in backen

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Contract

$58 - $61

Remote Senior Backend Developer | New Gen AI Product Development Oracle Health

Remote

•

Today

Job Description As a Senior Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities Responsibilities: Design and implementation of the CDA data platform, ensurin

Full-time

USD 79,200.00 - 178,100.00 per year

Remote Principal Backend Developer | New Gen AI Product Development Oracle Health

Remote

•

Today

Job Description As a Principal Member of Technical Staff, you will be a key contributor to the development and success of our next-generation CDA platform, which leverages the power of generative AI and cloud-native technologies. Your expertise in data platform engineering will drive the creation of a robust and intelligent system, enhancing the healthcare experience for patients and clinicians alike. Responsibilities Responsibilities: Lead the design and implementation of the CDA data platf

Full-time

USD 96,800.00 - 223,400.00 per year

Remote Principal Backend, Frontend or Full Stack Developer | New Gen AI Product Development Oracle Health

Remote

•

Today

Full-time

USD 96,800.00 - 223,400.00 per year

Moveworks Developer/Engineer

Remote

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9d ago

Job title : Moveworks Developer/Engineer Location preference is onsite in Bay Area (preferably onsite, however but open for remote too) Position Summary The Moveworks Developer/Engineer is responsible for the design, development, deployment, and optimization of AI-powered conversational agents (bots) using the Moveworks platform. This role involves integrating the AI assistant with various enterprise systems (e.g., ITSM, HRIS, CRM) to automate employee support, improve productivity, and enhance

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Contract, Third Party

Depends on Experience

Direct Client:: Need Fullstack Architect with AWS Connect with Extensive NodeJS, Banking and New Account Opening Flows experience:: 100% Remote

Remote

•

Today

W2 contract to Fulltime position No Sponsorship Candidates Required Job Title: Full Stack Architect AWS Connect | Node.js | Banking New Account Opening Location: 100% Remote Job Description: We are seeking a highly skilled Fullstack Architect with strong expertise in AWS Connect contact center solutions, NodeJS backend development, cloud-native architecture, and deep functional knowledge of Retail Banking, New Account Opening (NAO) Flows, KYC/KYB, Identity Verification & Customer Onboarding

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Contract

Depends on Experience

Backend Developer

Fremont, California

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3d ago

Job Title: Backend Developer Location: Fremont, CA 94538 Duration: 6 month CTH (with extension or conversion) Interview Process: Thursday (12/4) in person for 90 minutes (Fremont, CA) please apply if you can attend the interview on Thursday in Fremont CA. Project Description: Client is looking for an experienced Software Engineer to play a pivotal role in the design and development of our web applications for our internal users, expect a dynamic, high-impact environment where innovation drive

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Contract

Up to $60

Sr. PHP Laravel Developer

Remote

•

Yesterday

Duration:- 6 Months Contract To Hire Location:- Remote Role Job Summary We are seeking a Senior PHP Laravel Developer specializing in backend API development to build and maintain scalable, secure, and high-performance web applications for Life Insurance sales, agent management, and lead generation. The ideal candidate will have experience working with RESTful APIs, microservices, and backend system integrations to optimize data flow between sales, marketing, and insurance providers. Key Respons

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Full-time

$160,000+

API & Service Layer Architect

Remote

•

11d ago

API & Service Layer ArchitectPosition OverviewContract Duration: 6 months Location: Remote or Hybrid (Kansas City area) Rate: Hourly (contract position) Work Authorization: Must be legally authorized to work in the US without sponsorship About the ProjectLead the API and service layer architecture for a comprehensive expansion of our lending platform. You ll design and implement a scalable microservices architecture that connects a modern React frontend to Azure Databricks data lake, while maint

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Contract

$70 - $100

Java Tech Lead

Hybrid in Torrance, California

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Today

Title: Java Tech Lead Location: Torrance, CA (Hybrid role 4days onsite) Duration: 16 Months Pay rate $65 Per hr. on W2. Job Description: The Tech Lead at Honda Digital Services Development will deliver exceptional support to develop meaningful digital experience and strengthen our customer experience. The Tech Lead will support all digital applications, architecture, development, production support and solutioning. Position Success Criteria (Desired) - 'WANTS' = Minimum Educational Qualificati

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Contract

$60 - $65

Software Engineer

Pleasanton, California

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10d ago

We re looking for a talented Software Engineer with 3 5 years of hands-on experience to join our growing team. The ideal candidate has a strong background in backend development with solid exposure to frontend technologies. You ll play a key role in designing, building, and maintaining scalable software systems that power core business applications. What You ll Do: Design, develop, and maintain backend services and APIs (approx. 70% of the work).Build and optimize frontend components using moder

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Full-time

$100,000 - $120,000

Lead Full-Stack Developer / Architect

Hybrid in San Mateo, California

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11d ago

About the Opportunity We are a seed stage startup backed by tier 1 investors on a mission to transform the $20T manufacturing industry. Our team is building a clean slate SaaS platform to automate complex manual workflows with AI, helping manufacturers and their partners move faster, smarter, and more efficiently. As one of the first Architect hires, you will work closely with the CTO and a small, experienced team to design and deliver a brand-new platform. This role offers high leverage technic

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Full-time

$200,000 - $250,000

Supabase Backend Architect

Remote

•

Today

Job Description: Key Responsibilities Design and implement backend architecture using Supabase or Firebase (Authentication, Firestore, Realtime Database, Cloud Functions, Storage, Supabase SQL, Edge Functions). Preferred Supabase.Develop secure and scalable RESTful and GraphQL APIs for web and mobile apps.Integrate backend services with third-party APIs and cloud infrastructure.Manage real-time data synchronization and optimize database queries.Ensure data security, role-based access control, an

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Third Party, Contract

Depends on Experience

Senior Software Engineer (Payments/Real-Time systems)

Hybrid in San Jose, California

•

Yesterday

Senior Software Engineer | Full-Time (Direct Hire) | Silicon Valley | Hybrid Work Schedule Please note: 3rd party candidates will not be considered for this position. Our client is a global technology company that develops advanced software and hardware solutions for payment processing across in-store, digital, and cloud environments. Their platforms enable secure, compliant transactions and power many of the payment systems used by major retailers and service providers. This role focuses on bu

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Full-time

Depends on Experience

Principal Backend Engineer / AdTech

Los Angeles, California

•

Today

Our client is currently searching for a Principal Software Engineer to join their team that is setting the standard in podcast and digital audio measurement, helping leading advertisers and publishers make smarter, faster decisions. They are looking for a backend engineer to architect scalable systems that process massive datasets-driving ad verification, performance modeling, and actionable insights. You'll design and deliver high-scale services, build extensible platforms, and own projects end

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Full-time

180k - 220k

Senior Backend Engineer (Python, PySpark)

Hybrid in California

•

Yesterday

This role requires ONSITE interview in the Southern California office We re looking for a Senior Backend/Data Platform Engineer with extensive handson experience in Python, PySpark, and Databricks. You will be part of a talented team that builds next generation of high- performance data systems. What You ll Do Engineer, optimize, and maintain backend services and data platform using Python, PySpark, and Databricks.Build scalable APIs and microservices that power mission-critical applications a

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Contract

$75 - $80

Golang Developer

Remote

•

Today

Job Title: Senior Golang Developer (Only W2) Location: 100% Remote (US) Duration: Long-Term Contract Experience: 10+ YearsJob DescriptionWe are seeking an experienced Senior Golang Developer for a long-term remote contract role. The ideal candidate will have a strong background in backend development, distributed systems, and cloud-native application design. You will be responsible for designing, developing, and maintaining scalable microservices and APIs. Key ResponsibilitiesDesign, build, and

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Contract

Depends on Experience

Mid-to-Senior Backend / Cloud Engineer / Node.js / AWS / Remote

Remote or Boca Raton, Florida

•

Today

Our client who is a startup in the entertainment space is looking for a backend Node.js / Cloud Engineer to join the team. This is an exciting opportunity to join a growing startup as they continue expanding the reach across North America. This will be a 1099 contract with ability to convert to FTE at as early as 6 months. This company provides accessibility for Spanish speakers across the United States, Canada, and Puerto Rico, to allow them to enjoy a movie theater experience. They are partner

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Full-time

40/hr - 48/hr

Full Stack Engineer

Remote

•

4d ago

Full Stack EngineerIntroduction: We're seeking a Full Stack Engineer to drive technical excellence across our engineering stack. In this role, you will architect and develop scalable web applications using modern web frameworks, ensuring code quality and best practices across frontend and backend systems. You will collaborate with various teams to deliver innovative solutions while making key technical decisions that shape our platform's future. Responsibilities:Design and implement scalable ful

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Third Party, Contract

Depends on Experience

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Backend development jobs in California, USA