Back End Developer Jobs in California

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Senior Backend Engineer

Randstad Digital

•

Remote or Columbus, Ohio, USA

Contract

job summary: Seeking a back end engineer - this is a 100% remote opportunity! location: Columbus, Ohio job type: Contract salary: $95 - 97 per hour work hours: 8am to 5pm education: Bachelors responsibilities: Expertise in Go, Typescript, node.JSProficiency in designing efficient GraphQL API's and microservices for low latency and high availability systemStrong experience with MySQLExperience in cloud environments (AWS & Google Cloud Platform)Experience in TerraformExperience in CloudForma
Posted 16 days ago | Updated 2 hours ago

.Net Backend Architect (Remote)

Neo Prism Solutions, LLC

•

Remote

Contract

Job Title: .NET Backend Developer with Azure Remote 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 4 days ago | Updated 1 day ago

Senior Software Engineer - Developer Automation Platform (Backend)

Netflix, Inc.

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Los Gatos, California, USA

Full-time

Netflix is one of the world's leading entertainment services, with 283 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. The Test Automation Platform team provides the core infrastructure and capabilities to enable automated testing of the Netflix product at scale. Our Device & Test Automation
Posted 60+ days ago | Updated moments ago

Backend Engineer

OSI Engineering, Inc.

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San Francisco, California, USA

Full-time

Job Title: Founding Backend Engineer Infrastructure for Social Impact | San Francisco, CA Summary: This isn t just about hiring a builder it s about recruiting an engineer ready to co-architect a platform that enables trust, action, and generosity at scale. As the Founding Backend Engineer, you ll design and scale the systems behind a new social impact platform one engineered to support donors, nonprofits, and volunteers around the globe. You ll work directly with mission-driven founders, influe
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Posted 24 days ago | Updated 1 day ago

Full Stack Backend Software Engineer

Critical River, Inc.

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Pleasanton, California, USA

Full-time

Title: Full Stack Backend Software Engineer Location: Pleasanton, CA (Hybrid) Duration: Fulltime with CR Years of Experience: 10+ Years Skill Set: Python with FastAPI on AWS Lambda Level: Senior - Level Brief Description We are seeking an experienced Full Stack Backend Software Engineer with a strong foundation in Python with FastApi on AWS, ReactJS & AWS. The ideal candidate will have 5 to 8 years of experience in software development and will be responsible for building, maintaining, and o
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Posted 7 days ago | Updated 1 day ago

Back End Web Developer

West Advanced Technologies, Inc.

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Los Angeles, California, USA

Contract, Third Party

Job Title: Back End Web Developer Location: Los Angeles, CA, 90012 Duration: 12 Months Position Description A Back End Web Developer uses modern, open source software to prototype and deploy back end web applications, including all aspects of server-side processing, data storage, and integration with front end development. The Back End Web Developer will perform web development using open-source web programming languages (e.g., Ruby, Python) and frameworks (e.g., Django, Rails); develop and co
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Posted 60+ days ago | Updated 1 day ago

Senior React Developer (10+ Years Experience) - Remote

URSI Technologies Inc.

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Remote

Third Party, Contract

Position Senior React Developer (10+ Years Experience)Location RemoteDuration 1+ Year (Extendable) Job Description: We are seeking a highly skilled Senior React Developer with over 10 years of experience in frontend development. The ideal candidate will have deep expertise in JavaScript, React.js, TypeScript, and modern UI/UX principles. You ll be responsible for leading frontend architecture, mentoring developers, collaborating with cross-functional teams, and delivering high-performance, scal
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Posted 44 days ago | Updated 2 days ago

Software Java backend Engineer

Marici Solutions

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Remote

Contract

Title: Software Java backend Engineer Location: Remote Long Term Contract 3 round of video interview Mandatory Skills: Backend Java, microservices, Spring Boot, TDD, API, Multithreading Required skills: Spring, Spring Boot, SQL, Microservices, AWS, Backend Development, Kafka, TDD (Test Driven Development) KEY RESPONSIBILITIES Design and Development: o Design, develop, and maintain backend systems using Java (e.g., Spring, Hibernate), ensuring scalability, performance, and maintainability. o Crea
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Posted 1 day ago

Staff Software Engineer

SVMT, Inc

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Redwood City, California, USA

Full-time

Are you a seasoned backend engineer with a passion for building scalable APIs and developer platforms? Join us as a Technical Leader where you ll architect and implement mission-critical backend systems that power real-time robotics, cloud infrastructure, and customer-facing integrations across industries from restaurants and hotels to warehouses and beyond. What You ll DoDesign & Build APIs: Lead the architecture and implementation of robust, versioned REST and gRPC APIs in Go, enabling real-ti
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Posted 22 days ago

Principal Cybersecurity Engineer

NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP
Posted 30 days ago | Updated 8 days ago

Web Developer

Pozent

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Remote or Woburn, Massachusetts, USA

Contract

6 month plus contract opportunity Remote position - CST Overview We are seeking a skilled and reliable Web Developer / Backend Engineer to provide ongoing support and project-based development across our digital ecosystem. This includes building new websites, updating existing websites, and handling server-side tasks and remediation. Familiarity with Microsoft Azure and Kentico CMS is essential. Background Our organization operates multiple web properties and digital tools hosted primarily in
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Posted 49 days ago | Updated moments ago

Accessibility Web Developer (Mobile + Web)

Allwyn Corporation

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Remote

Contract, Third Party

NOTE:This is 4 month contract only. 40 Hrs / per week. We are looking for a skilledFront-End Developerwho can contribute across bothmobile and web (.com)platforms. The ideal candidate will have hands-on experience withAngular and Ionic frameworks, and a strong understanding ofADA complianceto ensure accessibility standards are met across all digital experiences. Responsibilities: Develop and maintain responsive and accessible applications across mobile and web platforms.Collaborate with UI/UX
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Posted 31 days ago | Updated 3 days ago

Python Backend Engineer (React) - Remote

FlairTech Solutions

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Remote

Contract

Role: Python with React Consultant Location: Remote Duration: Long Term Develop and maintain user interfaces using React.js . Design and build RESTful APIs and server-side logic using Python Experience using CI/CD tools Understanding of cloud platforms (Google Cloud Platform preferred, then Azure, then AWS) Integrate with databases (BigQuery, Spanner, MongoDB, etc)
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Posted 1 day ago | Updated 1 day ago

Sr. Java Backend Developer

Caspex Corporation

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Sunnyvale, California, USA

Third Party, Contract

Job Title: Sr. Java Backend Developer Location: Sunnyvale, CA Duration: 6+ Months Job Description: Must have: Deep understanding of core java concepts. ( lambdas, multi threading, executor service etc )Ability to write highly structured ( read good at object oriented programming ), high performance java codeGood understanding of Java Memory Model and Garbage collection conceptsAbility to troubleshoot JVM issues and tune JVM for extracting max performanceFamiliarity with SQL concepts (joins, norm
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Posted 60+ days ago | Updated 11 days ago

Software Engineer, Backend

West Coast Consulting LLC

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Remote

Full-time

Job Description REMOTE JOB DESCRIPTION We're looking for a skilled Senior Backend Engineer (Contractor) to join our GraphQL API platform team. In this role, you'll focus on migrating legacy Python services to Go within our GraphQL API services. Experience with GraphQL, including GraphQL Federation and Apollo Router, is a strong plus. You'll use internal tools and processes developed by the GraphQL team to accelerate our migration from Python to Go. We're seeking someone who thrives in a fas
Posted 41 days ago | Updated 8 hours ago

Full Stack Engineer (Backend)

SmartTech Staffing Partners

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San Francisco, California, USA

Full-time

Hiring: Backend-Focused Full Stack Engineer We're looking for two experienced, backend-heavy Full Stack Engineers to help scale our AI-powered platform. This is a hands-on engineering position where you'll play a key role in building robust backend systems while also contributing to frontend development. Ideal candidates thrive in fast-paced environments, bring deep systems expertise, and approach problems with a founder s mindset. Key Responsibilities Design, build, and scale backend infrastruc
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Posted 4 days ago | Updated 2 days ago

Backend Software Engineer

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 53 days ago | Updated moments ago

Software Engineer, Backend

West Coast Consulting LLC

•

Remote

Contract

Job Description Remote In this role, you'll focus on migrating legacy Python services to Go within our GraphQL API services. Experience with GraphQL, including GraphQL Federation and Apollo Router, is a strong plus. You'll use internal tools and processes developed by the GraphQL team to accelerate our migration from Python to Go. We're seeking someone who thrives in a fast-paced environment, excels at solving complex problems, and collaborates effortlessly across teams. Responsibilities inclu
Posted 15 days ago | Updated 8 hours ago

Principal Backend Engineer, Materia AI

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Principal 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:
Posted 47 days ago | Updated moments ago

Backend Tech Lead (GoLang, gRPC, GraphQL)

Encora

•

Fremont, California, USA

Contract

Backend Tech Lead (GoLang, gRPC, GraphQL) Location: Fremont, CA (Hybrid) Duration: 6+ months contract Strong coding skills, navigating codebases with different languages and tools (GoLang, gRPC, GraphQL), building and managing ci/cd pipelines and IaaC supporting services, web and mobile releases.Experience building comprehensive understanding of APIs, microservices, databases, integrations and other complex backend systems.Experience building large scale backend systems using AWS ecosystem tools
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Posted 10 days ago | Updated 2 days ago