backend engineer Jobs in california

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Senior Backend Engineer

Fiserv

Sunnyvale, California, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

Sr. Backend Engineer

Fiserv

Sunnyvale, California, USA

Full-time

Calling all innovators - find your future at Fiserv. We're Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world. We connect financial institutions, corporations, merchants and consumers to one another millions of times a day - quickly, reliably, and securely. Any time you swipe your credit card, pay through a mobile app, or withdraw money from the bank, we're involved. If you want to make an impact on a global scale, come make a differ

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

Senior Back-End Engineer

Jobot

San Francisco, California, USA

Full-time

Amazing Benefits + Founding Equity This Jobot Job is hosted by: Ryan Kilroy Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $180,000 - $250,000 per year A bit about us: We wee founded in 2021 by a few UC Berkeley in 2011 while studying computer science. We launched in late 2022 and grew to over 1000+ paying customers in under a year with no sales or marketing budget. To date, we've raised over $8.4M in seed funding from Figma, YCombinator,

Backend Engineer / Rust

Jobot

San Francisco, California, USA

Full-time

Hybrid Remote *Candidates must be commutable distance from San Francisco* / Leading Developer Platform for Zero-Knowledge Applications This Jobot Job is hosted by: Caitlyn Hardy Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $250,000 per year A bit about us: We are a leading developer platform for zero-knowledge applications. We are on the lookout for a passionate and skilled Backend Engineer with a strong command over Rust to j

Senior Backend Engineer

Jobot

San Francisco, California, USA

Full-time

Founding Equity + Great Benefits This Jobot Job is hosted by: Ryan Kilroy Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $180,000 - $250,000 per year A bit about us: We are building the commerce platform for the AI age. The web continues to be the most profitable customer acquisition channel for selling goods and services. Over the past two decades, SaaS products like Squarespace and Shopify have dominated online commerce. They've made it

Backend Engineer

OSI Engineering, Inc.

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

Backend Engineer (Python)

LanceSoft Inc.

Remote

Contract

Key Requirements: Experience:4+ years of software development experience. If more experience, then they will go senior level title)Must have a BS degree in Computer Science or related fieldTechnical Skills:Python Strong experience (must-have)Data Structures & Algorithms RequiredAWS Practical experience requiredAI/ML:Prior ML experience (even if older) and at least 6 months of hands-on GenAI experience or solid exposureExperience working in a Generative AI-focused Soft Skills:Strong communication

Backend Engineer (GoLang Developer)

SES

Remote

Full-time

Systems Engineering Services is seeking a Backend engineer with a focus on Golang Development based out of the DMV area. Top 5 Technical Skills: Experience using the following Tech Stacks: Golang; Python; and NodeJSUnderstanding of cryptography, consensus algorithms, and other core concepts of blockchain technologyFamiliarity with Private Blockchain as well as Public platforms such as Ethereum, Hyperledger, and/or CordaTop 3 Soft Skills: Outstanding CommunicationsCollaborationProven ability to w

Back End Engineer

S3 Staffing USA

San Francisco, California, USA

Contract

Back End Engineer Location: Bay Area, CA Need prior Apple exp oe EX Apple Employee Job Description : Strong experience with Python providing and consuming web services / APIs (REST, JSON) using FastAPIStrong experience with data modeling using relational database, Writing and optimizing complex query using SQL and relational databases like Postgres Debugging and diagnostic skills. Strong experience with GitBasic understanding of DevOps processes (Kubernetes, Docker, AWS)Excellent communication

Backend Engineer

Mitchell Martin, Inc.

Remote or Overland Park, Kansas, USA

Full-time, Contract

Title: Backend EngineerLocation: Midwestern Region (Onsite) Employment Type: Full TimeCompensation Pay Range:$105000-$150000/YrsDescription * Develop and enhance backend systems to support new and existing products. * Collaborate with various stakeholders to ensure successful product development. * Maintain high-quality code standards and testing procedures. * Communicate effectively with team members and other departments. * Contribute to the overall success of the product lifecycle.Key Respons

Backend Engineer

Accroid Inc

Remote or Dallas, Texas, USA

Third Party, Contract

Remote Backend Engineer Texas In-person Interview required AI/ML Experience a big plus especially LLaMA, Vertex AI, SageMaker, AzureML, etc. VERY proficient in SQL - able to write debug and optimize queries and like working in it. Node.js : React and Next.js PostgreSQL DevOps / IaaC/ cloud Infrastructure Design, architect, and implement robust APIs and services using Node.js, PostgreSQL, and Redis Optimize complex SQL queries and schemas to ensure lightning-fast performance across large datase

Sr Python Backend Engineer

Ledgent Technology

Remote

Full-time

No Corp-to-Corp, No 3rd party firms . Job Title: Sr Python Backend Engineer Location: 100% Remote (U.S. Based) Employment Type: Direct-hire Compensation: $150,000 to $190,000 (based on level of experience) . Partnered with a client who is creating cutting-edge AI/ML products (Generative AI) that solve healthcare staffing issues and administrative burdens using conversational AI and their patented voice biomarker technology. . They're seeking a skilled Python Backend Engineer to help design, b

Sr Backend Engineer (TypeScript)

Ledgent Technology

Remote

Full-time

No Corp-to-Corp, No 3rd party firms . Job Title: Sr Backend Engineer (TypeScript) Location: 100% Remote (U.S. Remote) Employment Type: Direct-hire Compensation: Up to $190,000 (based on level of experience) . Partnered with a client who is creating cutting-edge AI/ML products (Generative AI) that solve healthcare administrative burdens using conversational AI and their patented voice biomarker technology. . They're seeking a skilled Sr. Backend Engineer to help design, build, and maintai

Software Java backend Engineer

Marici Solutions

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

Backend Engineer

Imperial Partners Group

Remote

Full-time

Requirements: Multiple roles available from 2-15 years of experience most companies have been tech agnostic, however experience with Java or python is a bonus!Comp: $120-160K

Backend Engineer

RedBrick Staffing

San Diego, California, USA

Full-time

Job DescriptionJob Responsibilities: Architect & implement backend servicesDevelop GraphQL APIs to support AI agents & real-time frontendsBuild secure, scalable models for production, procurement, & inventoryImprove database performance & ensuring system reliabilitySupport CI/CD pipelines, Docker-based environments, & deployment workflowsEnable real-time coordination across human & AI agents Job Requirements: 4+ years of backend or full-stack experience with production systemsStrong experience

Python Backend Engineer (React) - Remote

FlairTech Solutions

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)

Principal Backend Engineer, Materia AI

Thomson Reuters U.S. Inc.

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:

Python Backend Engineer

ACL Digital

Remote or San Jose, California, USA

Full-time

Job Title: Python Backend Engineer - Systems & Integration Location: Remote bout We are building a next-generation virtual assistant platform that enables natural and responsive voice and chat-based interactions. The platform integrates with internal and external systems to deliver seamless, real-time user experiences at scale. s part of our growing team, we're looking for a skilled Python Backend Engineer to help us build reliable, high-performance backend systems. Role Overview: This role inv