Backend Jobs

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…

Herdify is a young B2B SaaS company based in Bristol building a product to deliver behavioural science to consumer brands. We are looking for a skilled Python Developer/Software Engineer with strong backend and automation experience to help develop …

CT RISE Network is a Connecticut-based nonprofit improving educational outcomes through data tools and technology that support schools and educators. We’re hiring a Junior Software Developer to help design, build, and ship new features across our pr…

CT RISE Network is a Connecticut-based nonprofit improving educational outcomes through data tools and technology that support schools and educators. Hiring a Junior Software Developer to design, build, and ship new features across the product ecosy…

Ro | NYC | Hybrid/Onsite | Full Time. Hiring Backend Engineers, SRE, Team Leads, Management, and an iOS Engineering role. Ro is a direct-to-patient healthcare company with a mission of helping patients achieve their health goals by delivering the ea…

Spade is a Series A startup building products for the dairy industry including apps for farm data, machine vision for cows, and embedded microchips for animal health data. The company builds data and AI tools for supply chain and farm management, se…

Blue is hiring founding engineers and a SuperAdmin/EA as it closes a new round. Roles open: 1x Backend/Infra Engineer, 1x Mobile/iOS Engineer, and 1x SuperAdmin/EA. Blue is building a personal health and longevity operating system that integrates al…

We just rebranded! At Twindo, we’re working on spatial computing - using computer vision to 3D reconstruct and understand your surroundings so that software can operate over real-world spaces. We believe it will power the next generation of augmente…

Build in-mouth HID and other wearable HCI with us! We develop novel human-computer interaction devices, with a focus on assistive tech and AI interfaces. Our flagship product, the MouthPad^, is an intraoral wearable device that unlocks expressive co…

We’re looking for a Senior Product Engineer to join Hipcamp and help build the core product experiences that connect people with the outdoors. This is a hands-on, end-to-end role working across the stack—shipping user-facing features, collaborating …

We are looking for a Fullstack Engineer and AI enthusiast to join our engineering team. We are rebuilding the core tool stack of the legal industry from the ground up. Lawyers still work in workflows designed decades ago: fragmented tools, manual re…

N26 has reimagined banking for today’s digital world. Technology and design empower everything we do and it’s how we are building the global banking platform the world loves to use. We've eliminated physical branches, paperwork, and hidden fees for …

MixRank (YC S11) | Software Engineers | 100% REMOTE (Global) | Full-Time MixRank processes petabytes of data every month from web crawling. We have hundreds of customers using our data products including Google, Amazon, Facebook, Intel, and Adobe, a…

Foxglove is an observability and data platform for robotics and physical AI. Multiple open full-time roles including various software engineering positions (backend, frontend, data, visualization, WebGL/WASM, Rust), product management for data platf…

Sage builds hardware and software systems to improve elder care, used by thousands. Hiring for Engineering & Product on a hybrid basis (2 days remote, 3 days in New York City/NYC area). Open roles include Senior/Staff Backend and Fullstack Engineers…

Hiring founding engineers and a designer for Vidably (San Francisco, onsite). Vidably recently closed a $1.5M pre-seed. Product: puts verified buyer video directly onto e-commerce product pages via a lightweight widget by capturing post-purchase vid…

Baton (baton.io) is Ryder's in-house product development group focused on harnessing emerging technologies to redefine transportation and logistics. With $10B in freight under management, our technology reaches every part of the U.S. economy. We des…

OpenRent is a VC-backed, profitable proptech company focused on improving the rental experience in the UK. The company lets a large volume of property, serving millions of users, and works across the rental journey including pricing models and prope…

Seed-stage startup hiring two founding engineering roles to work in-person at the NYC office: (1) Founding Principal/Staff Full-Stack Engineer — 8+ years experience, strong backend and systems foundation, ownership of architecture end-to-end; hardwa…

Lead Platform Engineer role splitting time 50/50 between hands-on technical work and cross-functional collaboration. Partner with product pods, PMs, and stakeholders to understand workflows, observability, and developer experience pain points; build…

Larridin is the measurement layer for AI in the enterprise. They build AI-native systems that correlate AI behavior to business results, expose absorption bottlenecks, and enable enterprises to invest with conviction. Backed by top-tier investors su…