Backend Jobs

Joom Group is an international e-commerce tech group (headquartered in Lisbon, Portugal) with offices in China, Brazil, Portugal, Latvia, and Germany. They are hiring multiple full-time engineering roles (software engineers, ML/AI, backend Go develo…

Deya is building an AI platform for longitudinal eye care data. Role involves building core product and infrastructure from 0→1, working across full stack, AI systems (LLMs and vision), and data pipelines, and helping define the architecture of a lo…

Cassidy is an AI agent and automation platform for non-technical knowledge workers. Series A company (~25 people) hiring onsite in New York City. Roles open: Senior and Mid-level Software Engineers focused on end-to-end product engineering and build…

Currently looking for a AI-first full time product engineer to help us transform our digital product! Looking for someone with backend experience that is interested in having more product ownership. This is a super exciting time to join and you will…

MixRank (YC S11) is a fully-remote, US-incorporated, employee-owned data startup that processes petabytes of data monthly (web crawling, distributed file systems, APK/IPA analysis). Hiring continuously for full-time remote roles including Junior Sof…

Foxglove is a data infrastructure and observability platform for robotics and physical AI. They are hiring for many open full-time roles including software engineers (visualization, frontend, backend), ML engineers, forward deployed engineers (FDE),…

Prior Labs is building TabPFN, a foundation model for tabular data (published in Nature) and hiring across research and engineering to turn the model into production systems. Roles include ML Engineer (Training Infrastructure), Full Stack Engineer (…

LiveMap is a funded startup building next-generation mapping apps. Hiring geospatial engineers for two roles: geospatial data/backend engineer and routing engineer. Responsibilities include setting up data pipelines, identifying and connecting relev…

Giga has recently raised a $61M Series A and has several paying customers, including DoorDash. We’re building the next generation of customer experience — real-time AI agents that can understand emotion, resolve issues instantly, and scale across th…

AI Risk Decisioning platform that helps organizations manage onboarding, fraud, credit, and compliance risks. Hiring for multiple senior/staff roles and an AI Product Manager. Remote roles available in US/Canada/Brazil/Poland/UK; some roles tied to …

We are building decentralized AI infrastructure: an inference platform for sovereign AI agents unifying orchestration, data, and compute. Small team, high ownership, real equity. Blockchain Engineer — Rust/Substrate L1 protocol development: custom p…

At DeepL, we're building intelligent, trusted AI for language and beyond. Hiring for technical roles: Engineering (21 roles): Software Engineers (Backend, Full-Stack, API, Voice), Data Scientists, Analytics Engineers, Security, Platform, Agentic AI.…

Twindo (Formerly Canvas; The Spatial Computing Company). Working on spatial computing using computer vision to 3D reconstruct and understand surroundings so software can operate over real-world spaces. Twindo provides tools for professionals to unde…

LiveKit is building the infrastructure layer for the voice-driven era of computing. Their platform provides developers tools to build, test, deploy, scale, and observe agents in production. Currently hiring multiple roles including Senior Software E…

AI 初创公司 ILLUCIO 正在招募一位自我迭代速度极快的全栈工程师，负责将产品洞察与体验落地为安全、稳固、可规模化的系统。公司以 AI 学习工具为主，关注文本形式的革新与心流式学习体验，已上线并在短期内获得用户与付费用户、6000+ 粉丝账号与融资。创始团队成员分别近期基地为北京/上海与新加坡，欢迎现场 coffee chat。

Everyone's racing to automate a broken healthcare system. We're building the system we want. Software + atoms in one business. Founder previously scaled One Medical through IPO. Small team, high autonomy, 0-to-1 build. $20M seed led by a16z. Looking…

Column is building the financial operating system to power the movement and holding of money across the globe. We own a nationally chartered bank and build every aspect of our technology in house. We move trillions of dollars in volume annually, pow…

Autonomous industrial agents that close the loop (not chatbots): runtime/sandbox + continual learning + tools + evals + observability + operator UX. Moving the needle on GDP. Onsite role in Phoenix, AZ.

Multiple 100% remote roles at Tether: Fullstack Developers working across JavaScript/TypeScript on a local AI stack (building user-facing mobile/desktop apps or platform layer bridging C++ inference engines); Lead React Native Engineer and React Nat…

Who we are: We're reimagining what mortgage underwriting looks like in a world where engineers and operators gain leverage through the use of modern agentic AI. We're at the forefront of using AI tools to hack our own workflow, and to build automati…

Transfyr is building physical AI for science. Why is it that a professional athlete has dramatically more information about every play they make than a scientist has about the cause of any experimental failure? At Transfyr, we are building the infra…

Smarkets runs one of the world’s most sophisticated prediction markets, handling over £29 billion in volume since 2010 and engaging 200,000+ traders globally. We’re a technology company that happens to revolutionise betting - from sports to politica…

MixRank is a fully-remote, US-incorporated data startup processing petabytes of web data with customers across major tech and enterprise industries. They hire continuously for generalist software engineering roles and junior engineer roles (remote, …

Prior Labs (team of ~20) builds TabPFN, a foundation model for tabular data (published in Nature, 3M+ downloads, new SOTA). Hiring across engineering and research to build training infrastructure, real-time serving, developer platform, and productio…