Backend Software Engineer Jobs in San Francisco, CA

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Full Stack Engineer

Randstad - Torc

Remote

Contract

We are looking for a highly skilled Full Stack Angular Engineer for a full-time contract. This is a 100% remote role with flexibility to collaborate across Central Time (CT) hours. What You ll Do Design, develop, and optimize web applications using Angular for the frontend and modern backend technologies.Collaborate with backend engineers and product teams to build scalable, efficient solutions.Implement best practices in software architecture, automated testing, and performance optimization.Wor

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. What you'll do: Design, develop, and optimize web applications using JavaScript, TypeScript, and modern frameworks (React, Angular, Vue.js).Build and maintain scalable, reusable,

.Net, C#, C++ Lead Engineer

Photon

Remote

Contract

Greetings everyone, I hope you are staying safe. We are hiring a .Net, C#, C++ Lead Engineer 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: .Net, C#, C++ Lead Engineer Location: Remote Job Description:

Senior Android Engineer, Families - Cash App

Block Inc

California, USA

Full-time

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. We want to redefine the world's relationship with money to make it more relatable, instantly available, and universally accessibl

Senior Android Engineer, Families - Cash App

Block Inc

Remote or New York, New York, USA

Full-time

It all started with an idea at Block in 2013. Initially built to take the pain out of peer-to-peer payments, Cash App has gone from a simple product with a single purpose to a dynamic ecosystem, developing unique financial products, including Afterpay/Clearpay, to provide a better way to send, spend, invest, borrow and save to our 50+ million monthly active customers. We want to redefine the world's relationship with money to make it more relatable, instantly available, and universally accessibl

Senior AI Prompt Engineer (remote)

ICF

Remote or Reston, Virginia, USA

Full-time

Senior AI Prompt Engineer (USA - remote) Please read the entire JD before applying. The Company: ICF is a mission-driven company filled with people who care deeply about improving the lives of others and making the world a better place. Our core values include Embracing Difference; we seek candidates who are enthusiastic about building a culture that encourages, embraces, and hires dimensions of difference. The Team: Our Health Engineering Solutions (HES) team works side by side with customer

Senior Node/AWS Developer

Anagh Technologies Inc.

San Francisco, California, USA

Full-time, Third Party, Contract

Title: Node/AWS Backend Developer Skills: Javascript, Typescript, Node.js, Nestjs, MongoDB, Microservices, AWS, EC2, Lambda, GraphQL, Serverside, API, Redis, Hapi Overview: We have 2 positions for a Node/AWS Developer at Walmart which is HYBRID in Dallas, TX or Sunnyvale, CA. They need candidates who are strong with Node.js and AWS. Client: Walmart Location: HYBRID in TX/CA Duration: 15 months Role: Node/Backend Developer Must Have: AWS Dynamo NestJS AWS Lambda AWS S3 AWS - SNS/SQS JavaScr

AEM Technical Architect

ClifyX

Remote

Full-time

ClifyX group is an award winning IT Consultancy formed in 1998. Our Mission is to provide our clients with Optimal Technology solutions that are effective and within budgets. We specialize in helping Organizations to review their strategic SOW Projects/Talent needs and implement high value and cost effective solutions to increase profitability and efficiency. Our consulting capabilities include expertise in Cloud, Artificial Intelligence, Data Analytics and compliance aspects of Cyber Security d

Senior Backend Cloud Developer (.NET/Azure)

Main Sail, LLC

Remote

Contract

Position Description: Team Composition and Methodology The client s team operates in an agile environment, utilizing a modified scrum methodology. The larger team includes approximately 30 professionals, split into smaller, focused groups of 5 7 members each, led by Team Leads. Each team has distinct roadmaps and features to deliver. The structure is cross-functional, including developers, testers, and DevOps engineers, with access to dedicated environments. Client Overview Our client's customer

Front-End Developer

Resource 1

Remote

Contract

Resource 1 is seeking a Front-End Developer for a remote 6-month contract position. Selected individual will play a crucial role in designing, developing and implementing user-facing features for web applications. Will collaborate closely with cross-functional teams, including designers, back-end developers and product managers to deliver high-quality, responsive and intuitive user interfaces. Responsibilities: Develop and implement user-facing features for web applications using HTML, CSS and J

Sr., Java Developer

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training o

Sr., Java back-end Developer - Healthcare Domain Must (No C2C Please)

OpTech

Remote

Contract

OpTech is seeking for strong Java Developer role for one of their Direct Clients. 100% Remote role. Contract Duration - 5 months. Only W2/No C2C Required Skills: Strong backend Java developer with JDBC/SPRING/SPRINGBOOT/SPRINGBATCH JAVA/J2EE Why work at OpTech? OpTech is a woman-owned company that values your ideas, encourages your growth, and always has your back. When you work at OpTech, not only do you get health and dental benefits on the first day of employment, but you also have training

Senior Back End Developer

Confidential Company

Remote

Contract

We are an award-winning team of very trusted and respected technologists looking for a senior back end developer to join our team for a 100% remote project. Must have deep expertise in back end development and API development, with solid understanding of Python and interested in working with Python. This is a contract role, paid hourly c2c, and can be 20 hours per week, 30 hours per week, or 40 hours per week. Sound like a fit? Let's talk!

Oracle PL-SQL Developer

APN Software Services, Inc

Remote

Contract

Client: Sedgwick Claims Management Services, Inc. Title: IT Software Development Specialist Sr. Duration: 12 months contract to hire This position is Contract to Hire and Open to Remote. Must be willing to convert to colleague after 90 days worked. Managers will be asking for salary requirements during interview process Pay Rate: $51.07/hr on W2 MANAGER'S NOTES: Oracle ETL backend developer: 5+ years of PL/SQL & Oracle Database development experience Recent Oracle PL/SQL development experienc

Onsite- Fremont, CA -LEAD GoLang Backend (gRPC, GraphQL,AWS)

Encora

Fremont, California, USA

Third Party, Contract

Experience as a technical lead for large projects (6-12+ months in length), including defining the roadmap for complex projects spanning multiple teams and functionsStrong 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

Technical Lead - ETL & Backend Integration (Insurance)

Acunor Infotech

New Jersey, USA

Full-time

Tech Stack: ETL Tools, Data Pipelines, DevOps We're looking for a Technical Lead to architect and guide backend data integration efforts within large-scale insurance systems. You will own the ETL design, technical reviews, and vendor oversight, ensuring secure, performant, and standards-compliant data flows. Responsibilities: Design and approve architecture of ETL pipelines and backend systems Ensure compliance with enterprise data and security standards Conduct code reviews, approve data mapp

API & Kafka Automation Engineer (Python Backend)

Nous Infosystems

Remote

Contract

Job Title: API & Kafka Automation Engineer (Python Backend) NYC - Remote Job Description: We are seeking an Automation Engineer with expertise in API testing, Kafka, and Python backend development. The role involves building automated test frameworks, validating Kafka data streams, and ensuring the performance and reliability of APIs and backend systems. Key Skills: Strong experience in API automation and Kafka (producers/consumers).Proficient in Python for scripting and backend logic.Hands-on w