Top 15 Freelance Back End Developers in San Francisco, United States

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Jesse G.

Back End Developer

I'm a full-stack and AI/ML developer with a passion for creating intelligent solutions that drive business impact. With extensive experience in designing production-ready...

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Jenson B.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Data Visualization, Docker

I'm Jenson Booth, a software engineer specializing in AI-infused agent architectures. I bridge static applications and autonomous intelligence, designing scalable, agent-...

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Lennox K.

San Francisco, Vereinigte Staaten

Back End Developer

.NET, AngularJS, AWS

Hi, I'm Lennox Kuria. I design adversarial test cases, construct deterministic evaluation rubrics, and perform surgical code audits for frontier LLM training pipelines. I...

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Ryan G.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Docker, Elasticsearch

I’m a senior platform UI engineer who loves turning complex requirements into smooth, scalable interfaces. With 10+ years of experience building high-performance UI and b...

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Chandana

San Francisco, Vereinigte Staaten

Back End Developer

AngularJS, AWS, Azure

I have more than 11 years of experience working as a Full Stack Java Developer. I worked on both web-based and enterprise applications. My work includes requirement analy...

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Thomas L.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Docker, DynamoDB

With over 10 years of experience building scalable, intelligent systems and a strong background in full stack and mobile development, I am well-positioned to contribute t...

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Julian W.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Django, Docker

Hi, I’m Julian Wong. I’m an AI/Software Engineer with 8+ years of experience building full-stack and distributed systems across AWS, fintech, and enterprise SaaS. I desi...

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Ryan J.

San Francisco, Vereinigte Staaten

Back End Developer

Azure, CSS, Django

2-Absätze-Biografie in der ersten Person, freundlicher Ton

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Ali H.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Bootstrap, CSS

I am a software engineer with a B.A. in Computer Science, specializing in building scalable full-stack applications using React, TypeScript, and Flask. I enjoy turning co...

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Samyukth C.

San Francisco, Vereinigte Staaten

Back End Developer

Amazon Web Services, Bash, Docker

I'm Samyukth Challa, an AI/ML Engineer based in the United States with a track record of building enterprise GenAI platforms, including LLM orchestration, RAG pipelines, ...

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Michael M.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, C++, Cassandra

Hi, I’m Michael Musson, a Senior Software Engineer based in San Francisco prioritizing scalable, cloud-native back-end systems and data platforms for fintech, ecommerce, ...

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Ethan C.

San Francisco, Vereinigte Staaten

Back End Developer

AWS, Django, Docker

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We have over 14,500 back end developers who've worked in many different industries and cover various styles and skillsets.

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Vertrauen von Unternehmen weltweit

"Excellent developer! She built exactly what I wanted and was a pleasure to communicate with. Highly recommended for any web project."

Hlina @ Personal

Apr 19, 2026

"Teshome Worku was great to work with.They really listened to my needs and all works was delivered on time."

Simana @ Walin Technologies

Apr 17, 2026

"Hammad is a dream come true developer! One hell of a guy. It was an 4-month project, I am very pleased with end product and our Customers love it too! Highly recommended."

Ali @ Auric-Studio

Apr 16, 2026

"Jimmy Pham was great to work with. They really listened to my needs and all work was delivered on time. Great work and great product delivered. I look forward to continuing to work with Jimmy and the team."

tony @ sportyconnects

Apr 16, 2026

"I highly recommend Darricl for any software engineering role or project. He demonstrates strong technical expertise, a rigorous approach to design and development, and an excellent ability to analyze and solve complex problems. Reliable and dedicated, Darricl consistently delivers efficient, maintainable solutions tailored..."

M. @ WTDS

Apr 15, 2026

"I hired Princewill to work on the AI-Powered Medical Consultation System (HealthBridge), and I was genuinely impressed by his technical depth and commitment to delivering quality work. He played a key role in building the MVP architecture, implementing backend microservices, and integrating AI driven consultation logic...."

Prince @ Accian Limited

Apr 11, 2026

„Durch die Zusammenarbeit mit Twine konnten wir Projekte schneller als zuvor skalieren, und Twine Business macht es so einfach, Auftragnehmer auf der ganzen Welt zu verwalten und zu bezahlen.“

-Josh Bolland

Geschäftsführer, J B Cole

„Ich habe eine großartige Designerin gefunden, die sehr schnell arbeitet. Ich schicke ihr jetzt meine Ideen und sie verwandelt sie in tolle Designs. Die Zusammenarbeit ist schnell, professionell und unkompliziert. Es fühlt sich an, als wäre sie bereits Teil unseres Teams.“