Rest API jobs in Sunnyvale, CA

Golang developer (7+ yrs, Strong Kubernetes, Cluster API, K8s networking, CNI, CSI, Go testing, REST API)

San Jose, California

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17d ago

Golang Developer Qualifications Bachelor's degree in Computer Science or related technical field with 7+ years of software development experience (or 5+ years with a Master's degree)Expert-level proficiency in Go; familiarity with Java or similar modern languages is a plus.Deep knowledge of Kubernetes architecture, operators, controllers, and custom resourcesHands-on experience with edge computing platforms and infrastructure management patternsExperience with edge networking technologies, SDN,

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Contract, Third Party

50 - 65

Software Development Engineer in Test (SDET) - Java / REST API / Backend

Remote

•

Today

SummaryWe're Concentrix. The intelligent transformation partner. Solution-focused. Tech-powered. Intelligence-fueled. The global technology and services leader that powers the world's best brands, today and into the future. We're solution-focused, tech-powered, intelligence-fueled. With unique data and insights, deep industry expertise, and advanced technology solutions, we're the intelligent transformation partner that powers a world that works, helping companies become refreshingly simple to w

Full-time

USD 92,250.00 - 95,000.00 per year

Software Development Engineer in Test (SDET) - Java / REST API / Backend

Remote

•

Today

Full-time

USD 92,250.00 - 95,000.00 per year

Backend Developer - Remote. But be within 50 miles of the following cities Wilmington, DE , Baltimore, MD , Charlotte, NC, Dallas, TX , New York, NY , Evansville, IN. Must have Proficiency in Golang and TypeScript; experience with Node.js, Apollo Server, and REST API design, ORMs & Data Modeling: GORM, PrismaORM or TypeORM, AWS/Google Cloud Platform/Azure, JWT/OIDC, TLS, IAM/RBAC, CI/CD, GraphQL federation and Apollo Router.

Remote

•

3d ago

Backend Developer REMOTE. Location: But be withing 50 miles of the following cities Wilmington, DE , Baltimore, MD , Charlotte, NC, Dallas, TX , New York, NY , Evansville, IN * Hands-on senior backend engineer actively writing production code (not architecture-only). * Strong in both Golang and TypeScript (Node.js), with real-world API development experience. * API-first mindset, including GraphQL (Apollo Server, federation/subgraphs) and REST. * Cloud-native experience running services in pro

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Contract, Third Party

Depends on Experience

Senior Offensive Security Engineer- Web & AI

Mountain View, California

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2d ago

About the Role We are looking for a Senior Offensive Security Engineer to proactively identify, exploit, and help eliminate security weaknesses across our web platforms and AI/ML systems. In this role, you will think like an attacker, operate with engineering rigor, and work closely with product, platform, and AI teams to raise the security bar across the organization. You will lead complex penetration tests, design novel attack techniques for web and modern AI-powered applications, and influe

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Contract

$100

Java Back End Developer, CA / Hybrid, 12+ Months

Hybrid in San Jose, California

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19d ago

Hi, Java Back End Developer II Duration: 12+ Months Rate: Open Location:Onsite in San Jose, CA (3 days onsite and 2 days remote) 2 Openings Job Summary:Develop and maintain backend services for theCustomer Data Storeplatform. This role focuses on core service development, API implementation, and system integration within a cloud-native environment. Essential Responsibilities Develop backend services usingJavaandSpring Boot ImplementRESTfulandgRPCAPIs Build reactive servic

Contract

Depends on Experience

Front End Developer - React Native

Sunnyvale, California

•

Yesterday

Greetings everyone, I hope you are staying safe. We are hiring a Front End Developer - React Native 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. For a brief 1 minute video about us, you can check ;/u> Job Title: Front End Developer - React Native Locations: Sunnyvale

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Full-time

Depends on Experience

Python developer || Need Locals || W2 only

Hybrid in Sunnyvale, California

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2d ago

Python developer Sunnyvale, CA- Hybrid Contract- w2 role. Locals preferred Required Skills Experienced Python Developer with AI/MLExperience with Python environment installation in Windows and Linux Preferred Skills Java, MicroservicesREST API (including Enterprise Authentication and Authentication)MS SQL Server and/or Sybase experienceExperience with supporting trading desks

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Contract

Depends on Experience

Java developer/Backend Engineer

Hybrid in Sunnyvale, California

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2d ago

Job Description: Role: Java Developer Location: Sunnyvale, CA(Hybrid) Role Overview: We are seeking a skilled Java Developer to join our team. The ideal candidate will have strong experience in Java development and exposure to database technologies. You will work on designing, developing, and maintaining scalable applications while collaborating with cross-functional teams. Key Responsibilities: Design, develop, and maintain Java-based applications. Collaborate with product owners and architects

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Contract

Depends on Experience

Senior Software Engineer - Golang (Fremont, CA (Onsite interview required))

Fremont, California

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12d ago

Job Title: Senior Software Engineer Distributed Systems (Golang) Location: Fremont, CA (Onsite) Duration: 12+ Months Submission Requirements (Mandatory) To ensure a smooth and timely submission, please share all documents together in one complete set: Passport numberDriver s LicenseH1B copy (if applicable)Confirmed rate Job Summary Our direct client is seeking a Sr. Software Engineer (GoLang) to join a team responsible for building the core platforms that power the end-to-end customer ownershi

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Contract

Depends on Experience

Application Developer Consultant - Engineering Manager

Santa Clara, California

•

Yesterday

About Apexon: Apexon is a digital-first technology services firm specializing in accelerating business transformation and delivering human-centric digital experiences. We have been meeting customers wherever they are in the digital lifecycle and helping them outperform their competition through speed and innovation.Apexon brings together distinct core competencies in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep experti

Contract

competitive

.Net Backend Developer

Fremont, California

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5d ago

Job SummaryWe are looking for a skilled .NET Backend Developer to design, develop, and maintain scalable backend applications and APIs. The ideal candidate will have strong experience in C#, .NET Core/.NET Framework, database development, and backend architecture, with a focus on performance, security, and reliability. Key ResponsibilitiesDesign, develop, test, and maintain backend services using C# and .NET Core/.NET FrameworkBuild and consume RESTful APIs and web servicesDevelop business logic

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Contract

$70 - $75

GoLang Developer

Fremont, California

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15d ago

Sr. GoLang Developer SummaryOur client is searching for Software Engineers to join their team responsible for the platforms that form the foundation of the end-to-end customer ownership and billing experience. In this role, you will build highly available, distributed backend services that support real-time pricing, billing workflows, charging scenarios, and emerging mobility products.You will work primarily in Golang on distributed systems, leveraging a modern microservices and event-driven ar

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Contract, Third Party

$60 - $65

Actively looking for a React Developer

San Leandro, California

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2d ago

Job Title: React Developer (UI) Location: San Leandro, CA (Need only locals) Mail: Job Description We are looking for a skilled React Developer (UI) to design and develop responsive, high-performance user interfaces for modern web applications. The ideal candidate should have strong expertise in React.js, front-end technologies, and UI best practices, with a passion for creating intuitive and visually appealing user experiences. Key Responsibilities Develop and maintain user-facing features usi

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Contract, Third Party

Depends on Experience

Power BI Integration Specialist/Power BI Integration Architect

Hybrid in Foster City, California

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2d ago

Client is not sponsoring any VISA Power BI Integration Specialist Must Have Technical/Functional Skills 6+ years of experience in Power BI development and administration.Proficiency in Power BI REST APIs, JavaScript SDK, and Power BI Embedded.Deep understanding of RLS/OLS, workspace management, and dataset security.Hands-on with Azure AD, service principals, and token authentication flows.Knowledge of DAX, data modeling, and performance tuning best practices.Familiarity with DevOps tools, PowerS

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Full-time

$100,000 - $180,000

Java Backend Engineer

Sunnyvale, California

•

Yesterday

Job DescriptionWe are looking for a skilled Java Backend Engineer to join the Walmart Sams Club team through Cognizant. The ideal candidate will have strong backend development experience and hands-on expertise in building scalable, high-performance applications. ResponsibilitiesDesign, develop, and maintain backend services using Java Build and optimize RESTful APIs and microservices Work closely with cross-functional teams to deliver high-quality solutions Ensure performance, scalability, and

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Full-time

100,000 - 110,000

React Native Developer

Sunnyvale, California

•

Yesterday

About Us: 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. Our current focus and innovation in Digital Hyper expansion TM offers nearly limitless opportunities for career growth. What will you do? Develop a solution for building REST Based Microservices, React NativeTranslate Business Requirements into appropriate Micr

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Full-time, Third Party

Depends on Experience

React JS Developer

Hybrid in San Leandro, California

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16d ago

Required Skills & Qualifications: Strong experience in ReactJS and modern frontend developmentHands-on experience with Java, Spring Boot, and MicroservicesExperience developing and consuming RESTful APIsStrong knowledge of JavaScript / TypeScriptExperience with SQL and/or NoSQL databasesFamiliarity with CI/CD and DevOps tools (Git, Jenkins, Docker, Kubernetes)Experience working in Agile/Scrum environments

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Contract

Depends on Experience

AI Full Stack Engineer (Software Engineer)

Hybrid in South San Francisco, California

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10d ago

3 needs for AI FSE/SWE's No sub-contracting ! Direct W/2's ONLY! 3 days onsite required, so be local to NorCal Bay area. No relocation assistance ! JD: Seeking a talented and motivated Software Developer reporting to the Director of software engineering at The Clinical Data Insights & Automation team (CDI&A). The CDI&A team collaborates with a broad range of stakeholders involved in the clinical development process (e.g., Clinical Science, Clinical Operations, Medical Writing, Quality, Regulat

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Contract

$88 - $89

Product Owner Fintech & Payments

Sunnyvale, California

•

Yesterday

Product Owner Fintech & Payments Sunnyvale, CA (Onsite) About Us: 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.Our current focus and innovation in Digital Hyper expansion TM offers nearly limitless opportunities for career growth. Role Summary Experience: 10-12+ years (Fintech / Payments preferred) We are seeking a

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Full-time, Third Party

Depends on Experience

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Rest API jobs in Sunnyvale, CA, USA