Backend Software Engineer Jobs in San Jose, CA

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A globally leading technology company is looking for a Backend Developer (Python, Data Pipeline

OSI Engineering, Inc.

•

Cupertino, California, USA

Contract

A globally leading technology company is looking for a Backend Developer (Python, Data Pipeline) to join a dynamic team of data engineers. In this role, you'll design and build scalable data pipelines and processing solutions to handle high-volume, high-velocity data with a focus on performance and observability. If you're passionate about backend development and driving efficiency in data workflows, we invite you to apply. Job responsibilities: Develop and maintain software services required fo
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Posted 14 days ago | Updated 6 days ago

Android Developer !! Job Type : W2 Contract (No Third Parties - only independents Visa)

Intellisoft Technologies

•

Mountain View, California, USA

Contract

Job Title : Android Developer with React Native & iOS Location : San Diego, CA or Mountain View, CA (Hybrid) Job Type : W2 Contract (Long-term) Experience Level: 7-10 Years Note: we are looking for Android Developer with React Native, IOS experience must have. Job Overview: We are seeking a skilled Senior Android Developer with strong expertise in React Native and working knowledge of iOS development to join our dynamic team supporting mobile applications. The ideal candidate will have extens
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Posted 2 days ago | Updated 2 days ago

Senior JavaScript Developer

Randstad - Torc

•

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 60+ days ago | Updated 15 days ago

UI Angular Developer (AVP) - Hybrid

Citi

•

Remote or Tampa, Florida, USA

Full-time

The Institutional Data Platform team is responsible for the Olympus platform to streamline data sources across Service, Markets, Banking and Client enabling industry leading analytics, client, regulatory, surveillance supervisory risk and finance reporting and data science solutions along with genesis platform. The UI Angular Developer (Applications Development Senior Programmer Analyst - C12) is an intermediate level position responsible for participation in the establishment and implementatio
Posted 60+ days ago | Updated 2 hours ago

Sr. Back-End Java/Spring Boot Developer

Learn Beyond Consulting LLC

•

Sunnyvale, California, USA

Contract

Job Title: Sr. Back-End Java/Spring Boot Developer (Ex-Walmart Candidates Only)Location: Sunnyvale, CA (Onsite) Employment Type: W2 Experience: 6 10 Years Walmart experience is mandatory Job Description: We are seeking a Senior Java Back-End Developer with prior experience working at Walmart to join our team in Sunnyvale, CA. In this role, you will be instrumental in developing scalable microservices to power Walmart s high-performance inventory systems, which handle billions of events daily. K
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Posted 6 hours ago

.Net Backend Architect

Photon

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Remote

Third Party, Contract

.Net Backend Architect Remote We are seeking a seasoned Backend Architect with deep expertise in regulated financial systems, trading platforms, and end-to-end trading infrastructure to lead the architecture and backend development of a greenfield Futures Commodity Commissions Market (FCM) platform. This product will power a federally regulated sports prediction market, akin to Robinhood s financial trading model, requiring full compliance with CFTC and NFA regulations. You will design, architec
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Posted 54 days ago | Updated 6 hours ago

NodeJS Engineer

BayOne Solutions

•

Sunnyvale, California, USA

Third Party, Contract

Job Title: Node.js Backend Developer Location: Sunnyvale, CA (Hybrid) Duration: 6+ Months Contract Pay Rate Range: $60-$70/hr. Required Qualifications: Design, develop, and maintain server-side applications using Node.js.Build and maintain GraphQL APIs for client applications.Solid understanding of web technologies, including web performance, cross-browser compatibility, and responsive design.Experience working with RESTful APIs and integrating with backend systems.Familiarity with version con
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Posted 50 days ago | Updated 7 days ago

Sr Java Backend Developer

InfoVision, Inc.

•

Pleasanton, California, USA

Contract

Hi We have an immediate Openings with Our Direct Client for a Long-term contract position Job Title: Sr Java Backend Developer Location: Pleasanton, CA Onsite Duration: 12 months Proficiency in Java and JVM-based development is essential, along with strong object-oriented programming (OOP) skills and exception handling. Experience with the Spring Boot framework and web technologies is required. Understanding of 12-factor app principles is crucial. Proficiency in using Git, GitHub, and GitHub Ac
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Posted 30 days ago | Updated 29 days ago

Web Developer (Javascript/ Reactjs)

Aptino

•

Mountain View, California, USA

Contract

Key Responsibilities:Develop and maintain responsive, user-friendly front-end components using React.js. Ensure cross-browser compatibility and consistent user experience across modern browsers. Write clean, well-structured, and maintainable HTML5, CSS3, and JavaScript code. Work closely with UX/UI designers and back-end developers to implement interactive features. Optimize front-end performance for speed and scalability. Debug and resolve UI/UX issues and browser inconsistencies. Stay updated
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Posted 60+ days ago | Updated 1 day ago

SeniorAngularJava Full Stack Developer

Aventine software

•

Sunnyvale, California, USA

Contract, Third Party

Hi Folk's,Need local consultant only + 11 years expNeed local consultant only + 11 years expNeed local consultant only + 11 years expTitle: Senior Angular Java Full Stack Developer Location: Sunnyvale CA (Need local candidate only) Job Description: We are seeking a Senior Angular Developer with strong Java Full Stack capabilities to join our dynamic development team. This role emphasizes front-end development using Angular, while also contributing to backend services developed in Java. The idea
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Posted 30 days ago | Updated 27 days ago

Senior Python Developer Remote (USA)

Critical River, Inc.

•

Pleasanton, California, USA

Contract

Title: Senior Python Developer Location: Remote USA Duration: 3 months contract. Experience: 10+ years Interview: 2-3 rounds of interview. Job Overview: Qualification Hands on development with Python. This person will actively design backend APIs, write Python code, develop unit tests, and participate in all aspects of the software development lifecycle to build a scalable architecture and product. Skill Set & Technology Python, FastAPI, Poetry, PostgreSQL, Snowflake, Microservices, AWS, ECS, D
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Posted 12 days ago | Updated 8 hours ago

Agile Delivery Lead (Cyber Security): Charlotte, NC: Hybrid

NodeLogix

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Remote or Charlotte, North Carolina, USA

Contract

Pays $60/hr ON W2 Til: 12/2025: Potential extensions W2: EAD 3 DAYS ** Experience leading API development/backend API Developer ** Jira/Confluence; ** Fluent in Agile; ** Lead technologist; ** Execute vision/delivery of vision; ** Strong Product Manager ** Understanding of cyber security centers. ** Demonstrated ability to work on multiple complex projects in a matrixed environment; ** Demonstrated ability to build strong relationships; ** Critical thinking. ** Attention to detail/detail orien
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Posted 1 day ago

Sr Android Developer

ACL Digital

•

Milpitas, California, USA

Full-time

Sr Android Developer Remote (Candidates needs to be local to Milpitas CA) 6 Months & Possible Extension Key Responsibilities: Lead Android Development: Architect, design, and implement Android applications, ensuring high performance, stability, and scalability. Code Quality and Best Practices: Conduct code reviews, enforce best practices, and ensure robust testing processes. Project Management: Coordinate projects, establish schedules, and ensure delivery of immediate goals and tasks. Features F
Posted 60+ days ago | Updated 2 hours ago

Python Backend Developer (F2F Interview CA)

Uniglobe Technologies, Inc

•

San Ramon, California, USA

Contract, Third Party

Role: Python Backend Developer (F2F Interview CA) Location: San Ramon, CA (Onsite - Only Locals) Duration: Long Term Contract Must Have: 10 years or experienceHands-on experience in Python ScriptsGood Analytical and problem-solving abilitiesExperience in Agile/Scrum based project executionsNice to Have: Knowledge on Cloud App services, Load Balancer, Application GatewayHand on with Cloud services preferably AzureExperience in NoSQL Database and in-memory DatabaseExperience in Unit testing frame
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Posted 60+ days ago | Updated 2 days ago

Staff Android Engineer

Arlo Technologies

•

Milpitas, California, USA

Full-time

About Arlo: At Arlo, we're passionate about creating innovative and reliable solutions that help people protect what matters most to them. Our team is dedicated to delivering products that exceed our customers' expectations, while always pushing the boundaries of what's possible in the world of protection technology. We believe that everyone deserves to feel safe and secure, whether they're at home or away, and we're committed to providing our customers with the peace of mind they need to live t
Posted 7 days ago | Updated 2 hours ago

Full Stack Developer

Maximus, Inc.

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Remote

Full-time

Description & Requirements Provides subject matter proficiency for work described in the task. Responsible for providing analytical skills to support process improvement, specialized studies, and definition of requirements. Typical duties include analysis, planning, developing requirements documents, building functional models, developing procedures, developing functional architectures, and other related management and technical duties. Requires expertise in specialty areas. Back-End Software D
Posted 21 days ago | Updated 9 hours ago

React developer

Hexaware Technologies, Inc

•

Santa Clara, California, USA

Full-time

What Working at Hexaware offers: Hexaware is a dynamic and innovative IT organization committed to delivering cutting-edge solutions to our clients worldwide. We pride ourselves on fostering a collaborative and inclusive work environment where every team member is valued and empowered to succeed. Hexaware provides access to a vast array of tools that enhance, revolutionize, and advance professional profile. We complete the circle with excellent growth opportunities, chances to collaborate with h
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Posted 58 days ago | Updated 22 days ago

.NET Backend Developer

Neo Prism Solutions, LLC

•

Remote

Contract

Job Title: .NET Backend Developer with Azure Job Description: We are looking for a .NET Backend Developer with experience in Microsoft Azure. The candidate should be skilled in C#, .NET Core, and building APIs. Experience with Azure services like App Services,
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Posted 7 days ago | Updated 9 hours ago

Senior Member of Technical Staff - Backend Dev - Remote

Oracle Corporation

•

Remote

Full-time

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: Design and implementation of the CDA data platform, ensuring it is scalable,
Posted 12 days ago | Updated 2 hours ago

Staff iOS Engineer, Banking Mobile

Block Inc

•

California, USA

Full-time

Since we opened our doors in 2009, the world of commerce has evolved immensely, and so has Square. After enabling anyone to take payments and never miss a sale, we saw sellers stymied by disparate, outmoded products and tools that wouldn't work together. So we expanded into software and started building integrated, omnichannel solutions - to help sellers sell online, manage inventory, offer buy now, pay later functionality, book appointments, engage loyal buyers, and hire and pay staff. Across
Posted 24 days ago | Updated 2 hours ago