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195 jobs

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195 jobs Posted Sort

Stealth Startup

Founding Game Systems Engineer

New UKFull-time

Founding Game Systems Engineer at an early-stage football gaming startup in London. Builds game systems (player attributes, performance modelling, match logic, tactical behaviour), fantasy/multiplayer gameplay, backend infrastructure, and future football engine architecture using JavaScript/TypeScript, C++, Node.js, databases, and AWS.

AI API AWS C++ GitHub +4 skills

Data Engineer / Analyst

New North America

Data Engineer/Analyst at a health-focused startup owning product measurement with SQL, Python, and PostgreSQL; building analytics layer and internal dashboards while ensuring data privacy.

AI Analytics BigQuery ClickHouse dbt +6 skills

Part-Time iOS QA Engineer — (Through Launch)

New North AmericaPart-time

Part-time iOS QA Engineer at Klizmo, a pre-launch startup building a native iOS app for competitive cyclists. The role involves running builds on physical devices, executing smoke tests, filing bug reports, and tracking regressions for 10 hours/week through public launch.

Acceptance Criteria iOS

Backend + AI Engineer

New North America

Backend + AI Engineer at Saela owning the server side: Node.js/TypeScript backend (Express, Prisma, PostgreSQL, Redis, Socket.io) and Python/FastAPI AI service with multi-agent orchestration (PydanticAI, Claude, Gemini via Vertex AI) on GCP.

AI Cloud Express.js FastAPI GCP +10 skills

🚀 Tech Lead – Backend / Data / GenAI

Tech Lead at AskRIA, an AI-powered founder/investor OS. Owns the technical roadmap and ships backend microservices, APIs, and data pipelines; integrates banking/accounting/CRM systems; works hands-on with GenAI models; mentors engineers and sets code standards. Stack: Python, FastAPI/Flask/Django, Postgres, AWS/GCP, Docker, Kubernetes.

Agentic AI AI Airflow API AWS +29 skills

Staff AI Infrastructure Engineer

New North AmericaStaff

Staff/Principal engineer who owns Cassi's AI intelligence layer end to end - agent runtime, multi-provider inference, retrieval, and realtime voice - shipping production TypeScript systems that productize AI for a home automation platform.

Agentic AI AI Automation AWS Data Modeling +20 skills

Contract iOS Engineer (Fractional, 2–4 Weeks)

New North AmericaPart-time

Contract iOS engineer for a 2-4 week fractional engagement to finalize a pre-launch cycling performance app, focusing on app-state gating, StoreKit 2 subscriptions, and onboarding bugs, working directly with the founder in real-time pair debugging.

125K – 166K $

Frontend Engineer (React / TypeScript)

New North America

Frontend Engineer building web and mobile experiences for a roadside assistance platform using React, TypeScript, and React Native on a sweat equity basis at an early-stage startup with active field operations in Houston.

AI API Authentication AWS GitHub +9 skills

Neugence Technology

Founding Product Engineer — Web, Android & Desktop (AI-Native)

New RemoteAPACFull-time

Builds and ships features across web, Android, desktop, backend, and AI for Whipscribe, an AI-powered audio/video intelligence platform. Works directly with the founder using React/Next.js, Kotlin, Electron/Tauri, Node.js/Python, and LLM APIs, owning features end-to-end from idea to production.

AI Android API Authentication ChatGPT +15 skills

500K – 800K INR

Technical Co-Founder / iOS Engineer — Stealth Endurance Sports App

New North AmericaContract

Technical co-founder and lead iOS engineer for a stealth endurance-sports app, owning technical vision and building from prototype to App Store using React Native, CoreLocation, Bluetooth, AVFoundation, AWS, Stripe, and StoreKit 2.

Android API AWS iOS Lambda +5 skills

Senior AI/ML Engineer

New EuropeSenior

Senior AI/ML Engineer building scalable memory and retrieval systems for an AI decision-making platform. Daily work involves Python, LLMs, vector and knowledge-graph search, agent orchestration, and evaluation frameworks in a hybrid remote role based in Kraków.

Agentic AI AI API Claude Code Distributed Systems +10 skills

336K – 420K PLN

SuperQ Quantum Computing

AI Engineer (GPU & LLM Optimisation) – Canada / UAE / Remote

New RemoteMENA, North America

AI Engineer focused on GPU and LLM optimization, accelerating inference and serving pipelines with frameworks like vLLM and TensorRT-LLM, writing CUDA/Triton kernels, and deploying low-latency AI endpoints on Kubernetes for a hybrid compute platform, with remote options in Canada, UAE, or worldwide.

AI CAD Containerization C++ CUDA +15 skills

90K – 120K CAD

Technical Co-Founder (Security / Systems Architect)

New North America

The Technical Co-Founder leads product architecture for SecRecon's AI-native Attack Surface Management platform, writing production Python daily while scaling the core scanning engine, remote agent network, and agentic AI triage/MCP infrastructure alongside the CEO.

Agentic AI AI API Authentication Distributed Systems +8 skills

AI Engineer

AI Engineer at a healthcare technology startup building AI-powered solutions; designs, develops, and integrates ML models and LLMs into healthcare applications, collaborates with frontend/backend engineers, and ensures model performance, privacy, and responsible AI practices. Core technologies: Python, LLMs, prompt engineering, REST APIs.

AI API LLM Machine Learning Prompt Engineering +2 skills

Founding Engineer (Early Employee #1–3)

New North America

Founding Engineer at Introd, an early-stage startup building a trust-graph relationship OS for founders/executives. You'll own core architecture (Neo4j graph engine, FastAPI backend, LLM integrations, OAuth data ingestion) to take the product from alpha to public beta, focusing on graph algorithms, viral growth systems, and production-grade infrastructure.

AI API Automation AWS CI/CD +10 skills

Eros Innovation

Founding AI Platform Engineering Lead

New Full-timeLead

Founding AI Platform Engineering Lead owning architecture for sovereign cultural AI platform: building production LLM infrastructure (inference, evaluation, agent runtime) with multi-tenancy, observability, policy controls. Hands-on coding, team leadership, US Eastern time overlap required.

AI Distributed Systems Kubernetes LLM Machine Learning +4 skills

Lead Frontend Engineer

New North AmericaLead

Lead Frontend Engineer at seed-stage AI startup building programmable, personalized video experiences for financial services. Owns the browser-based Player rendering engine (SVG, animation, audio/video orchestration), leads a small team, and sets frontend architecture using TypeScript/React/Vue.

AI API Data Visualization GitHub JavaScript +7 skills

Senior Founding Engineer — Vyralnet

New North AmericaSenior

Senior founding engineer taking solo ownership of a pre-launch creator competition platform (iOS app, backend, Stripe, Meta API), partnering directly with the founder to launch and scale the product.

Back End Engineer [$30,000 – $45,000 USD]

New North America

Back End Engineer at Nuel, a US-based AI startup, owning core backend services, designing scalable APIs and data pipelines for an AI-driven optimization platform.

AI Analytics API Cloud Data Pipelines +4 skills

30K – 45K usd

Software Engineer, Infrastructure (Staff+)

New RemoteNorth AmericaStaff

Staff+ Infrastructure Engineer at Lightfield, an AI-driven CRM startup, to architect and scale data infrastructure, backend services, and data models using TypeScript, React, Node.js, PostgreSQL, and LLMs.

AI CRM Data Modeling GraphQL LLM +7 skills

220K – 300K $