Backend Engineer
Dart AI
A leading AI-focused technology company in San Francisco is seeking backend engineers to help build and scale innovative AI-native systems. The role involves designing robust APIs, optimizing data models, and collaborating closely with frontend and product teams. Ideal candidates are passionate about performance and correctness, have strong Python and Django experience, and are excited to utilize LLMs in their development process. This position offers an opportunity to work autonomously on mission-critical operations while driving product development forward. #J-18808-Ljbffr
- A cutting-edge technology firm in San Francisco is seeking a Backend Engineer to build scalable infrastructure for AI research tools. The role involves collaborating with an engineering team and establishing best practices for model deployment. Ideal candidates should...SuggestedFlexible hours
$150k - $250k
...AgentMail (YC S25) is seeking a Founding Engineer in San Francisco to design intuitive APIs and architect high-performance systems. This role requires prior engineering experience and a proven ability to ship software used by real users. The compensation package includes...Suggested- ...Associates Recruitment in San Francisco is partnering with an ambitious early-stage AI startup to hire a Founding Engineer who will help build the core backend infrastructure powering the next generation of AI agents. This backend-focused role uses TypeScript, APIs,...Suggested
- ...We are looking for a passionate and sharp Backend Developer to be a part of one of our cross‑functional product development teams to help us shape the future of the time‑tracking industry and deliver real value to our customers with both new and improved features. We offer...SuggestedWork at officeHome office
$175k - $300k
...meaningful piece of the company. High talent density: Be a part of a great founding team in SF. Shivaal Roy (CTO) was a founding engineer at Glean ($100M+ ARR today) and managed the Assistant and Search teams, where he solved similar problems. Danny Goldman (CEO) was...Suggested- A leading DeFi company is seeking a Backend Developer to work remotely from anywhere in the world. Responsibilities include developing backend services for DeFi applications and engaging in smart contract development. Candidates should have at least 5 years in a backend...Contract workRemote work
$110k - $200k
About the Role A fast-growing, Y Combinator-backed AI startup in the supply chain space is looking for a Senior Backend Engineer to join their small, high-velocity engineering team in San Francisco. You'll build the backbone of an AI-powered platform that plans and executes...Full timeRemote workVisa sponsorship- ...About the role Help build and scale the backend systems that power our core booking and scheduling platform. You'll work on APIs, services, and infrastructure that directly support thousands of small businesses and their customers. Requirements 3+ years of experience building...
$150k - $250k
...Backend Engineer The backend is the product. The reliability of message delivery, the speed of AI responses, the depth of integrations, the transparency of AI decision-making, customers feel all of it even if they never see your code. You'll work directly with Punn...- Krea Job Post At Krea, we are building next-generation AI creative tools. We are dedicated to making AI intuitive and controllable for creatives. Our mission is to build tools that empower human creativity, not replace it. We believe AI is a new medium that allows...
- Tiger is a leading software company. Example org allows real-time collaboration on important example workflows. Founded in 2012 we have over 10,000 customers worldwide and are backed by fantastic investors such as Example Capital. Example has raised its Series C and is...Work at officeWorldwideFlexible hours
$130k - $160k
...Join to apply for the Backend Engineer role at Grepr This range is provided by Grepr. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $130,000.00/yr - $160,000.00/yr San Francisco, CA Being a Backend...Full timeWork at officeFlexible hours3 days per week- ...experience—and powerful infrastructure behind the scenes. Our backend is deeply mission-critical, and we’ve invested in a modern stack... ...reliability, and flexibility at scale. We’re looking for backend engineers who thrive on product complexity, care about performance and...
$70k - $100k
About the Role Join a fast-growing, early-stage healthtech AI company as one of its first backend engineers. The company builds AI voice and browser agents that automate the most painful administrative workflows for independent specialty clinics — including referral processing...Remote workVisa sponsorship$200k - $275k
...a hospital's data reaches us, correct and on time. That's deep backend work: the pipelines that move patient data in real time, the integrations... ...earning their trust. Why you You're a strong backend engineer. You've designed and run real production systems and data...Work at officeWork from homeHome office- ...Backend Engineer San Francisco About Navier AI Navier AI is building the first autonomous engineering agents. AI systems that can design, simulate, and optimize complex products to achieve breakthrough levels of performance. Our mission is to enable engineers...
$170k - $220k
...power to reach, captivate, and inspire audiences. Learn more at . Visit our Mission and Culture doc here. Position Summary As a Backend Engineer at HeyGen, you'll be at the forefront of building the core systems and infrastructure that power our products and services....Work experience placementWork at office- ...enormous piles of data. Whether you're debugging a distributed system, or monitoring a sprawling backend deployment for security risks, so many problems that modern engineering teams face are ultimately about sifting through giant haystacks in search of small but valuable...Immediate startFlexible hours
$120k - $150k
...in the San Francisco Bay Area. We\'re looking for exceptional engineers to define and build the next generation of our consumer privacy... ...related experience Software Engineering Skills Proficiency in backend development using Python Experience in designing and...Full timeContract workH1bRemote workWork from home- ...the globe. Join us on this journey to redefine resource management-and change lives along the way. The Role As a Backend Software Engineer, you will be responsible for designing, building, and maintaining the server-side components of our applications. You will...Temporary workWorldwide
- ...exceptional people. About the Role As a Senior Software Engineer at Mercor, you’ll take end-to-end ownership of complex projects... ...What You’ll Do Design, build, and scale production-grade backend APIs, services, and infrastructure. Take ownership of system...Full timeFor contractorsImmediate start
- ...Build Foundational Infrastructure for the World’s Largest Dataset You'll be our seventh engineering hire. You'll have full ownership over major features, play a huge role in creating the culture of our engineering team, and will work closely with the founders. You...Full timeImmediate start
- ...About the Team OpenAI’s Applications Engineering organization builds and operates the products (such as ChatGPT & Codex) that bring our... ...and trusted at global scale. About the Role We’re hiring Backend Software Engineers to design and implement safe services and...Full timeWorldwide
- ...from every exchange, and finding novel ways to show the value of our technology. About the Role We’re looking for backend software engineers with a product mindset to join the GTM Innovation team. You’ll help OpenAI meet the world at scale. You’ll partner...Full time
- ...“AWS for AI models”—not data or raw compute, but a full-stack backend for fine-tuning, reinforcement learning, inference, and long-term... ...your AI system better. They are hiring a Backend Software Engineer (ML Infrastructure) to help design, build, and scale the core...Full time
- ...most important needs into reliable, intuitive platform capabilities. About the Role We are looking for an exceptional backend software engineer to help define and ship the enterprise capabilities our API Platform needs to scale.; this is a product-engineering role...Full timeInternship
$100k - $130k
...market. Our patented technology empowers businesses and software engineers with a deploy-once, comply-and-secure-everywhere framework for... ...will be doing at Ketch We are looking for a highly skilled backend engineer who is comfortable with building and running large scale...Full time$163k - $246.5k
...trusted by leading organizations, including Vanta, Lyft, and Dropbox. Learn more at semgrep.dev. About the role As a Backend Engineer, you'll work on our backend and infrastructure systems to design, build and maintain a fast and reliable user experience for our...Full timeCurrently hiringLocal areaRemote workWeekend work3 days per week- ...a platform that saves radiologists toil and lets them focus on reading images and finding disease. This role As a backend software engineer working on our radiology platform, you'll be responsible for building and maintaining a reliable, high performance server...Full time
$125k - $150k
...Lumafield was founded in 2019 to upgrade manufacturing. We are engineers with deep experience across the product development cycle, from... ...in San Francisco, CA. About the role: On Lumafield’s Backend team, you work on the core of our cloud platform from REST APIs...Full timeWork at officeWork visaFlexible hours
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