2,916 Founding Engineer jobs
Founding engineer roles building the first product at early-stage startups.
Software Engineer
Software engineer at a well-funded 2024 startup building the market-leading AI voice agent for mortgage lenders. You'll own core components end-to-end (voice orchestration, A/B testing, simulation/eval, dialer, security) and ship using AI coding tools, in a hybrid San Francisco role paying $180K-$300K plus equity.
Lead AI Native Engineer
RoboForce, an AI robotics company building Physical AI Robo-Labor for dangerous industrial work, seeks a Lead AI Native Engineer to build vertical agents and a shared agent foundation—writing code, setting architecture, and turning frontier models into production agentic systems. Onsite 5 days/week in Milpitas.
Software Engineer Intern
Software engineering internship building the software backbone of Hadrian's autonomous factories: internal tools, dashboards, backend services, APIs, and data pipelines for factory operations. Hands-on production work in Python, TypeScript, or Go, on-site in the Los Angeles area.
Software Engineer
Builds and hardens Obiguard's low-latency LLM inspection pipeline — detectors, policy engine, and audit ledger — owning backend services end-to-end in Go, Python, or Rust, tuning p50/p99 latency, and debugging production incidents directly with customers, including on-site pilot stints in KL.
Staff Software Engineer
Working Technical Architect at Boon, an AI platform for construction preconstruction. Owns end-to-end architecture across a Rails product monolith, Python computer-vision services, and LLM/agent runtime infrastructure — scaling blueprint pipelines 100x, setting technical direction with leadership, mentoring engineers, and still shipping production code weekly.
Software Engineer, Fleet Platform
Engineer on the Fleet Platform team building the system of record, backend services, and internal/partner-facing apps that provision, monitor, calibrate, and service Bedrock's autonomous construction equipment fleet. Full-stack work spanning data modeling, APIs, and petabyte-scale sensor data ingestion, with preference for Python, TypeScript, Rust, Postgres, and AWS.
Senior Software Engineer, Infrastructure
Build and scale cloud infrastructure and backend services for an AI security platform, ensuring reliability, scalability, and observability for AI workloads and adversarial testing.
Разработчик React.js + Next.js
Builds web features for Intch, a venture-backed startup whose mobile app offers community-based networking — profile pages, web chats and new user-interaction mechanics — using React.js and Next.js. Fully remote, part-time role on a Scrum team, paying $15–20/hour net.
Программист с перспективой роста до архитектора ПО
C++ developer at QSpace Technologies, a Moscow startup building satellite and atmospheric quantum key distribution systems. Day to day: writing services that talk to hardware over USB, UART, CAN, I2C, SPI, LVDS and PCIe and integrating them into a single hierarchical system, with a path to software architect.
Sr Cell Integration Engineer
Senior battery engineer at Lyten leading pouch and prismatic lithium–sulfur cell design from concept through pilot production and manufacturing scale-up. Day to day: driving material, electrode, and stack design decisions, analyzing multi-variant test data, applying DFM/DFA, and collaborating with manufacturing, quality, and product teams.
シニアソフトウェアエンジニア（品質エンジニアリング・SDET）｜完全オンチェーン取引所「Strium」／デジタルアセットのスーパーアプリ「Startale App」
Build and maintain automated end-to-end tests for a blockchain-based exchange and a crypto super-app, ensuring correctness of trading logic and scaling quality as user base grows.
Lead Software Engineer
Lead a cryptographic software IP team, overseeing development from design to delivery, mentoring engineers, and managing projects in post-quantum cryptography and embedded systems.
Director of Software Engineering
PQShield is hiring a Director of Software Engineering to lead development of post-quantum cryptography (PQC) software products, overseeing cryptographic libraries, secure protocols, and high-performance secure implementations. The role blends people leadership, Agile delivery, and hands-on expertise in C/C++/Rust, OpenSSL/BoringSSL, and side-channel-resistant cryptography.
Senior Flight Software Engineer
Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to…
Flight Software Engineer
Spacecraft represent the most pressing unmet need across the entire aerospace industry. As more launch vehicles come online and the cost to orbit decreases, more companies launching payloads to space continue to…