Founding Backend Engineer
5 days ago
Founding Backend EngineerUMATR are supporting an early-stage AI startup on a mission to help growing organisations stay aligned and efficient as they scale. Our product acts as an intelligent teammate that understands a company’s context, goals, and culture giving teams unprecedented visibility into what’s happening across the business.They're backed by top-tier global investors and experienced operators from some of the world’s leading tech companies. This is a ground-floor opportunity to build foundational systems that will power the next generation of AI-native enterprise software.What You’ll DoArchitect and build scalable backend and platform systems from the ground upDevelop and deploy AI/LLM-powered features using large, complex datasetsDesign robust APIs and integrations to connect data and workflows across systemsTake end-to-end ownership of projects in a fast-paced, evolving environmentCollaborate closely with founders and cross-functional teams to influence technical strategyWhat We’re Looking For3–7 years of backend or platform engineering experienceDeep experience with Python, FastAPI, AWS, and SQL/PostgresProven ability to design and scale reliable, production-grade systemsStrong understanding of data models, infrastructure, and performance optimisationBonus: experience with LLMs, RAG, or agentic frameworksBias toward ownership, rapid learning, and shipping high-quality systemsIdeal BackgroundBuilt and scaled production systems at fast-moving startups or top-tier tech companiesComputer Science or equivalent technical background from a strong academic programExcited by early-stage challenges, ambiguity, and end-to-end ownershipObsessed with detail, craftsmanship, and problem-solvingWilling to put in focused effort to build something enduring
-
Founding Backend Developer
3 days ago
Hayward, CA, United States UMATR Full timeFounding Backend Developer Join UMATR in shaping the future of AI-driven enterprise solutions. We're an innovative startup dedicated to empowering growing organizations by providing them with unparalleled visibility into their goals, culture, and operations. Our intelligent platform acts as a crucial teammate, streamlining communication and alignment as...
-
Founding Engineer
3 days ago
Hayward, CA, United States trygravity.ai Full timePlease read in full: As a founding engineer, youll work across our entire stack to build and scale our contextual advertising network for AI tools. Youll have significant influence over technical direction and full autonomy. Our immediate priority is backend engineering, but full-stack experience is a strong bonus. Compensation and what we offer: Salary...
-
Python Backend Engineer
6 hours ago
Hayward, United States Attis Full timeOverviewA pioneering and well-funded AI company is seeking a talented Python Backend Engineer to build the core infrastructure for its revolutionary autonomous systems. This is a unique opportunity to join an innovative team at the forefront of engineering and artificial intelligence, creating a new category of software that will redefine how complex...
-
Senior Backend Engineer
3 hours ago
Hayward, United States Velocity Tech Full timeVelocity Tech has partnered with an exciting tech start-up that is looking for multiple Backend Developers to join their team. This role will be on-site in San Francisco. They are currently seed-funded with a runway of 2+ years but looking to raise their series A next year. What Youll DoDevelop high-quality data pipelines pulling events, conversion values,...
-
Backend Engineering
3 days ago
Hayward, CA, United States Indent Full timeYou will be working on our backend built with Python/FastAPI (with lots of asyncio), Postgres, and Redis. You should be immediately productive coming into a codebase on this stack. You understand how to build resilient applications with LLMs: managing tool calls, prompts, cost/latency tradeoffs, etc. You have clear likes and dislikes about AI coding...
-
Senior Backend Engineer
4 weeks ago
Hayward, CA, United States Plenful Full timeAbout Plenful Plenful is on a mission to transform healthcare operations from the inside out. Fresh off our $50M Series B and backed by Bessemer Venture Partners, Notable Capital, TQ Ventures, Susa/Kivu Ventures, and other leading investors, we’re building the category-defining AI agentic operating platform that healthcare teams rely on to operate smarter,...
-
Senior Backend Engineer, ML Ops
4 weeks ago
Hayward, CA, United States Plenful Full timeAbout Plenful Plenful is on a mission to transform healthcare operations from the inside out. Fresh off our $50M Series B and backed by Bessemer Venture Partners, Notable Capital, TQ Ventures, Susa/Kivu Ventures, and other leading investors, we’re building the category-defining AI agentic operating platform that healthcare teams rely on to operate smarter,...
-
Hardware Engineer
3 weeks ago
Hayward, United States Needl Full timeFounding Hardware Engineer (Stealth Robotics Startup)On-Site • San Francisco, CAAbout UsWe’re a tiny, fast-moving team building autonomous systems for heavy industrial machines. We retrofit existing equipment with a plug-and-play autonomy kit that taps directly into machine controls and layers on a full perception + connectivity stack: multi-sensor...
-
Java Backend Developer
2 weeks ago
Hayward, United States Cloud Space LLC Full timeBase Pay Range $50.00/hr – $52.00/hr Job Title Java Backend Developer Location San Leandro CA – Local or nearby states Years of Experience Needed 9+ Years of Core Java Core Skills Java, Spring boot, Mongo DB, Apache Flink Kafka, prompt engineering Required Technical Skills 9+ Years of Core Java backend development experience Kafka Rabbit MQ PL/SQL REST...
-
Hardware Engineer
2 weeks ago
Hayward, CA, United States Needl Full timeFounding Hardware Engineer (Stealth Robotics Startup) On-Site • San Francisco, CA We're a tiny, fast-moving team building autonomous systems for heavy industrial machines. We retrofit existing equipment with a plug-and-play autonomy kit that taps directly into machine controls and layers on a full perception + connectivity stack: multi-sensor vision,...