Software Engineer - BackendLabelbox • San Francisco, CA, United States
Software Engineer - Backend
Labelbox • San Francisco, CA, United States
[job_card.variable_days_ago]
[job_preview.job_type]
- [job_card.full_time]
[job_card.job_description]Engagement - Hourly, at‑will contractor Schedule - Fully remote & asynchronous (min.15hrs / week) Pay Range (US) - $25–$100 per hour Start Date - Rolling — staffed as projects launch Pay Range - $90 - $120 an hour Review and evaluate AI-generated backend code (e.g., Node.js, Python, Java, or Go) for correctness, efficiency, scalability, and clarity Write high‑quality backend solutions to server‑side and API development problems across varying difficulty levels Create clear, developer‑friendly explanations for architectural decisions, code logic, and problem‑solving strategies Identify and flag edge cases or ambiguities in problem statements or AI responses Fluent in English, with strong written communication skills and the ability to clearly explain backend coding concepts Expertise in backend development : Deep familiarity with server‑side languages and frameworks (e.g., Node.js, Python, Java, Go), RESTful APIs, databases, and asynchronous programming 3–5 years of experience with backend frameworks, tools, or domains (e.g., Express, Django, Spring Boot, microservices, cloud platforms) is a plus Bachelor’s degree (or pursuing one) in Computer Science or a related field. Master’s or PhD preferred, but not required. Bonus : Experience with data labeling, RLHF, or other AI training projects Flexible workload — work from anywhere, on your own schedule High impact — your craft directly improves models used by top AI labs & Fortune500 teams Clear ownership — know exactly what success looks like and have autonomy to deliver Growth potential — consistent high performers spearhead new programs and mentor incoming SMEs Complete a screening with Zara , our AI interviewer in English, to learn more about your background and experience. Domain‑specific Zara interview to assess your backend expertise, including distributed systems, microservices, and backend frameworks.
SWE - Backend (Contract)
Labelbox
- Remote (UnitedStates preferred) Shape the data that powers frontier AI
Quick facts
What you’ll do
You’re a great fit if
About the role
Interview process
About Labelbox
Labelbox builds the data engine that accelerates breakthrough AI. Our platform, expert services, and marketplace let teams iterate on data as nimbly as they iterate on code, enabling safer, smarter models in production. We’re backed by SoftBank, AndreessenHorowitz, BCapital, GradientVentures, DatabricksVentures, and KleinerPerkins, and trusted by leading research labs and enterprises worldwide.
Ready to Apply?
Click “Apply” above, and take one or more domain specific assessments.
We review candidates on a rolling basis and will contact you if your background matches an active project.
#J-18808-Ljbffr
[job_alerts.create_a_job]
Software Engineer Backend • San Francisco, CA, United States
[internal_linking.similar_jobs]
At Philz, we're all about Bettering Days; and as a.While your primary focus will be developing and maintaining integrations between internal systems and external partners, you'll also have opportun...[show_more]
We exist to accelerate innovation by increasing the number of successful startups in the world.We want to give more people the opportunity to participate in the venture economy by building the fina...[show_more]
At Scale AI, we’re not just building AI tools—we’re pioneering the next era of enterprise AI.As businesses race to harness the power of Generative AI, Scale is at the forefront, delivering cutting‑...[show_more]
The National Energy Research Scientific Computing Center (NERSC) is seeking a versatile Software / API Engineer to join our team building software systems that integrate scientific workflows and su...[show_more]
BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage.Since our foun...[show_more]
Flexible, should be able to travel to the SF bay area frequently.Blueprint was founded by Bryan Johnson, who has the world’s best comprehensive biomarkers.
He is quantitatively the healthiest person...[show_more]
Founded in 2019, Glean is an AI-powered knowledge management platform designed to help organizations quickly find, organize, and share information across their teams.
By integrating with tools like ...[show_more]
Harvey is a secure AI platform for legal and professional services that augments productivity and automates complex workflows.
Harvey uses algorithms with reasoning-adept LLMs that have been customi...[show_more]
Anon is building the platform that enables enterprises to deploy authenticated AI agents for their most critical data workflows.
We're solving one of the biggest challenges in enterprise automation : ...[show_more]
Hive is the leading provider of cloud-based AI solutions to understand, search, and generate content, and is trusted by hundreds of the world's largest and most innovative organizations.The company...[show_more]
San Francisco, CA (5 Days In-Office).Join us in building the core infrastructure that enables the mass delivery of clinical AI across American healthcare.
Your work will directly translate into impr...[show_more]
OpenAI's Applications Engineering organization builds and operates the products that bring our cutting-edge research to millions of users and developers worldwide.
We power products such as ChatGPT,...[show_more]
For companies building financial technology and transforming the financial services space, the biggest bottleneck to their growth and innovation is often the underlying banks and infrastructure sta...[show_more]
Braintrust is the AI observability platform.By connecting evals and observability in one workflow, Braintrust gives builders the visibility to understand how AI behaves in production and the tools ...[show_more]
We believe that the way people interact with their finances will drastically improve in the next few years.We’re dedicated to empowering this transformation by building the tools and experiences th...[show_more]
Julius is growing quickly and reaching millions of knowledge workers.We are looking for a backend engineer to join our small and deeply technical team to help revolutionize AI powered code executio...[show_more]
We're building the creative layer for modern communication.Every month, over a billion people make presentations — but the tools they use to make them haven't evolved in decades.We're changing that...[show_more]
For companies building financial technology and transforming the financial services space, the biggest bottleneck to their growth and innovation is often the underlying banks and infrastructure sta...[show_more]
Backend Software Engineer
Philz Coffee • San Francisco, California, United States
[filters.remote]
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Senior Software Engineer, Backend
Angellist • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer (Backend), Enterprise
The Rundown AI, Inc. • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Software / API Engineer
Lawrence Berkeley National Laboratory • Berkeley, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Senior Software Engineer (Backend) - Custody
Bitgo • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer, Backend
algojobs • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]
Software Engineer, Backend
Glean • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer, Backend
Harvey • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer - Backend
Anon • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer - Backend
Hive • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer (Backend)
Latent • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer, Backend
OpenAI • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer (Backend)
Column • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer, Backend
Braintrust • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer - Backend
Plaid • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer - Backend
Julius Ai • San Francisco, California, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer, Backend
gamma.app • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_30] • [promoted]
Software Engineer (Backend)
jobr.pro • San Francisco, CA, United States
[job_card.full_time]
[last_updated.last_updated_variable_days] • [promoted]