Back End Engineer Jobs in California

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281 - 300 of 424 Jobs

Technical Architect with API & Node.JS

Photon

•

Remote

Third Party, Contract

Client: Photon Position: Sr. Backend developer with API & Node.JS Location: 100% Remote Duration: Contract or full time The JD is exclusively focused on the Backend, specifically on designing and building robust APIs with Node.js. All front-end requirements like React.js and web markup have been removed, indicating the new role does not involve user interface development. Resilience Engineering: The entire concept of designing APIs to handle failures gracefully using techniques like circuit bre
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Posted 17 days ago | Updated 6 days ago

Angular Developer

Cloudpaths

•

Remote

Contract

Job Title: Angular Developer Location: Remote Contract role. Job Description: This role will be responsible for designing, developing, and maintaining web applications that facilitate the exchange of financial information. You will work closely with cross-functional teams to ensure the seamless integration of FIX protocols into our applications. RESPONSIBILITIES Develop and maintain responsive web applications using Angular.Implement financial information eXchange (FIX) protocol standards to ena
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Posted 17 days ago

.NET Backend Developer (AI Chatbot Integration) - W2

Imetris Corporation

•

US

Contract

No C2C- Only W2 Do not submit if you dont have - hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow Job Description: We are looking for a .NET Backend Developer with hands-on experience integrating with AI chatbot platforms such as OpenAI, Microsoft Bot Framework, or Dialogflow. The role focuses on building scalable backend APIs and microservices while enabling intelligent real-time chatbot responses. Must-Have Skills: Soli
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Posted 5 days ago | Updated 13 hours ago

Sr. Software Engineer (node.js and java)

Eliassen Group

•

Glendale, California, USA

Contract

Description: **Onsite | Glendale, CA** Our client has an amazing opportunity for a Sr. Software Engineer (node.js and java). Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $85 - $95 / hr. w2 Responsibilities: The Studio Tech Team is looking for a Backend Engineer to join our Debut screening
Posted 15 days ago | Updated 8 hours ago

P25-231186 - Software Engineer III

FedEx Office

•

Remote or Memphis, Tennessee, USA

Full-time

About FedEx Dataworks: Born out of FedEx, a pioneer that ships nearly 20 million packages a day and manages endless threads of information, FedEx Dataworks is an organization rooted in connecting the physical and digital sides of our network to meet today's needs and address tomorrow's challenges. We are creating opportunities for FedEx, our customers, and the world at large by: Exploring and harnessing data to define and solve true problems Removing barriers between data sets to create new ave
Posted 31 days ago | Updated 8 hours ago

JAVA Backend Developer

Caspex Corporation

•

Sunnyvale, California, USA

Full-time

Position : JAVA Backend Developer Location : Sunnyvale, CA JOB DESCRIPTION: Qualifications 12+ Years of Solid experience in large scale distributed systems and event-driven architecturesStrong Java/J2EE, SpringBoot.Reactive Programming with JAVA is a plus.Handson Experience with L1/L2 Caching.KAFKA, Reactive Java.Cassandra, SQL, NOSQL Database experience.Knowledge of technologies used in building scalable, distributed systems in virtualized cloud environments.Solid DevOps skills in troubleshooti
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Posted 60+ days ago | Updated 4 days ago

UI Developer with React JS and Ember JS

TekVivid

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Remote

Third Party, Contract

Overview: We are seeking a skilled UI Developer with strong expertise in React.js and Ember.js to join our front-end development team. The ideal candidate will be responsible for designing and implementing user interface components, ensuring high performance across a variety of devices and browsers, and collaborating with cross-functional teams to build modern, scalable web applications. Key Responsibilities: Develop and maintain responsive and high-quality web applications using js and Ember.js
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Posted 9 days ago

ReactJS Developer

cyberThink, Inc.

•

Remote

Full-time

Job Summary We are looking for a highly skilled React JS Front-End Developer who can build intuitive and high-performance user interfaces for modern web applications. The ideal candidate must have deep expertise in JavaScript, React.js, and front-end development best practices. Key Responsibilities: Design and develop responsive web user interfaces using React.js Work closely with UX/UI designers, product managers, and backend engineers Translate wireframes and design prototypes into high-qualit
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Posted 11 days ago

iOS Lead Developer

Econvergence

•

Rocklin, California, USA

Contract

Position: iOS Lead Developer Location: Rocklin, CA (Onsite) Key Responsibilities Lead the design, development, and deployment of advanced applications for the iOS platform.Collaborate with Product Managers, Designers, Backend Developers, and QA to deliver high-quality mobile experiences.Own the architecture and technical roadmap for the iOS platform.Ensure code quality through code reviews, unit testing, and best practices.Mentor and guide junior developers, driving technical excellence across
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Posted 11 days ago

Associate Software Engineer - December 2025 Grads

Veeva Systems

•

Pleasanton, California, USA

Full-time

Veeva Systems is a mission-driven organization and pioneer in industry cloud, helping life sciences companies bring therapies to patients faster. As one of the fastest-growing SaaS companies in history, we surpassed $2B in revenue in our last fiscal year with extensive growth potential ahead. At the heart of Veeva are our values: Do the Right Thing, Customer Success, Employee Success, and Speed. We're not just any public company - we made history in 2021 by becoming a public benefit corporation
Posted 35 days ago | Updated 15 days ago

Android Developer

Apolis

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Remote or Menlo Park, California, USA

Full-time, Contract

Job Title: Android Developer Location: REMOTE Employment Type: Contract Rate: $50/hr About the Role We are seeking talented and motivated Android Developers to join our award-winning team and help expand our mobile experience. This is a unique opportunity to work on cutting-edge products that impact millions of users. You ll be part of a fast-paced, collaborative environment where innovation and excellence are at the core of everything we do. Teams Hiring Support Products: Own the end-to-end cu
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Posted 4 days ago | Updated moments ago

React Developer

Enexus Global

•

Cupertino, California, USA

Contract

React Developer Cupertino CA (3 days Hybrid) W2 only Skills: React and AWS Experience: 8+ Job Description: Client is seeking a highly skilled and creative React Developer to join their cutting-edge engineering team in Cupertino, CA. The ideal candidate will have a strong understanding of modern front-end frameworks, a passion for building intuitive user interfaces, and proven experience in scalable web application development. Key Responsibilities: Develop, test, and maintain high-quali
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Posted 2 days ago | Updated 1 day ago

Java Developer Lead (Front End and Back End) - 5699075

Accenture LLP

•

Charlotte, North Carolina, USA

Full-time

Accenture Flex offers you the flexibility of local fixed-duration project-based work powered by Accenture, a leading global professional services company. Accenture is consistently recognized on FORTUNE's 100 Best Companies to Work For and Diversity Inc's Top 50 Companies For Diversity lists. As an Accenture Flex employee, you will apply your skills and experience to help drive business transformation for leading organizations and communities. In addition to delivering innovative solutions for
Posted 36 days ago | Updated 8 hours ago

Senior Developer (Ruby on Rails with Front-End Expertise)

Tekfortune Inc.

•

Cupertino, California, USA

Contract, Third Party

Job Title: Senior Developer (Ruby on Rails with Front-End Expertise) Location: Cupertino, CA, USA(onsite Mandatory) Experience Requirements: 6+ Years of IT ExperienceAround 5+ hands-on experience as Ruby on Rails Developer (with front-end development skills like JavaScript, HTML5, CSS3, and React or similar framework). Qualifications: BS or equivalent degree in Computer Science Engineering or related discipline. Skills Requirements: Proven experience as a Ruby on Rails development (include Des
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Posted 5 days ago

Data Engineer

INSPYR Solutions

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Remote or Charlotte, North Carolina, USA

Contract

Title: Data Engineer Location: Remote (Preferred: Charlotte, Atlanta, Toronto) Duration: 6 month contract Compensation: $50-58 per hour Work Requirements: , Holders or Authorized to Work in the U.S.Modernize a legacy SQL Server data layer by translating complex joins and procedures into optimized, scalable patterns for containerized services. You'll play a critical role in ensuring high-performance data access and preparing the system for eventual migration to cloud services. **Responsibilities
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Posted 8 days ago | Updated moments ago

Python back End Developer - Hybrid C12

Citi

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Remote or Tampa, Florida, USA

Full-time

The Python Back End Developer is responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications development, model development, and establish and implemen
Posted 13 days ago | Updated 8 hours ago

Software Engineer, Graphics C++

Motion Recruitment Partners, LLC

•

San Francisco, California, USA

Full-time

My client is rethinking digital identity by turning avatars into intelligent agents-personalized digital beings that not only look like you, but learn, adapt, and express your personality across games, virtual worlds, and chat environments. They are backed by top-tier investors and embraced by some of the biggest names in entertainment and fashion This team is building a powerful platform that auto-rigs 3D models and wearables into fully functional assets usable across multiple digital ecosystem
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Posted 39 days ago | Updated 5 hours ago

iOS Lead

Photon

•

Rocklin, California, USA

Contract, Third Party

Greetings From Photon, We hope you are staying safe. We are hiring iOS Lead to join our Digital Engineering team. Who are we? For the past 20 years, we have powered many Digital Experiences for the Fortune 500. Since 1999, we have grown from a few people to more than 4000 team members across the globe that are engaged in various Digital Modernization. iOS Lead | Rocklin, CA (Onsite) | Fulltime or Contract What will you do? Lead the design, development, and deployment of advanced applications for
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Posted 12 days ago | Updated 3 days ago

RUBY ON RAILS RoR ENGINEER

Vings Technologies

•

Cupertino, California, USA

Contract, Third Party

Looking for experienced and passionate Ruby on Rails (RoR) Developer with strong front-end development skills to build and enhance robust, scalable web portal/ application. The ideal candidate should possess strong front-end development skills (in addition to their back-end expertise) needed for developing web portal/application using Ruby on Rails, includes front-end technologies such as JavaScript, HTML5, CSS3, and React or similar frameworks. Experience Requirements: 6+ Years of IT Experienc
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Posted 1 day ago | Updated 1 day ago

Ruby on Rails with Front-End Expertise

Sharpedge Solutions

•

Cupertino, California, USA

Full-time

Job Summary: Looking for experienced and passionate Ruby on Rails (RoR) Developer with strong front-end development skills to build and enhance robust, scalable web portal/ application. The ideal candidate should possess strong front-end development skills (in addition to their back-end expertise) needed for developing web portal/application using Ruby on Rails, includes front-end technologies such as JavaScript, HTML5, CSS3, and React or similar frameworks. Experience Requirements: 6+ Years of
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Posted 3 days ago