Founding Software Engineer Jobs - August 2026
Search by company, role, stack, location, salary signal, source, and work setup.
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Bactrix
Founding Software Engineer
Posted 1 month, 1 week ago
We’re building an AI platform for antibiotic drug repurposing and antimicrobial resistance research. Looking for a strong software engineer to join the core founding team and build production AI workflows, backend infrastructure and scientific tooling. Stack…
Location
Remote
Work setup
full-time · Remote
Compensation
Early-stage/pre-funding role with equity. Compensation details other than equity not provided.
Benefits
Equity
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Pango
Founding Software Engineer
Posted 1 month, 2 weeks ago
Pango is building the world's first Agentic Operating System for e-commerce logistics. Our vision is to create the AI e-commerce employee of the future. We are forming our core team in Stockholm and are looking for exceptional engineers. We are backed by…
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Strello Health
Founding Software Engineer
Posted 1 month, 2 weeks ago
Strello Health builds AI voice agents for healthcare. Post-seed, generating revenue, scaling quickly. You will work directly with the founders to build core infrastructure behind real-time voice conversations, including audio streaming, LLM orchestration, API…
Tech stack
Location
Toronto/GTA
Work setup
full-time · Hybrid Remote
Compensation
Bonus: WebRTC/WebSockets, ML or LLM infrastructure, Node.js/TypeScript, Python, Docker, Kubernetes, or open-source contributions.
Benefits
Bonus for: WebRTC/WebSockets, ML or LLM infrastructure, Node.js/TypeScript, Python, Docker, Kubernetes, or open-source contributions
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Flotive AI
Founding Software Engineer
Posted 2 months, 2 weeks ago
We’re building AI that helps accelerate permitting and regulatory compliance for infrastructure projects like power plants, transmission lines, and data centers. We’re working with engineering firms and developers, and have exciting new developments in the pi…
Tech stack
LLM-powered automation GraphQL Postgres founding engineering teams environmental permitting Energy containers Python Azure Utilities GCP infrastructure AWS agentic workflows Vercel regulatory workflows fast-moving 0-to-1 product environments CI/CD spatial indexing CrewAI LangGraph OpenAI Assistants high-growth startups observability AI agents mapping frameworks LangChain Responses renderLocation
Jersey City / New York Metropolitan Area / NYC Area
Work setup
full-time · Onsite
Compensation
Salary: $150-180k + equity.
Benefits
Relocation assistance is available
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$20bn hedge fund
Founding Software Engineer
Posted 5 months, 2 weeks ago
Founding engineer role for an R&D project to design and build a production-grade automated investment analysis system from scratch within a qualitative/Buffett-like framework. Responsibilities include architecture, infrastructure, agent orchestration, evaluat…
Tech stack
Location
New York City
Compensation
$400+k total (base + guaranteed bonus), all cash; paid in full even if project winds down after 12 months. Compensation may be higher for the right candidate.
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Flotive AI
Founding Software Engineer
Posted 7 months, 2 weeks ago
Flotive is building an AI-powered platform to reshape the grid. We help energy developers identify buildable sites and manage regulatory complexity so power generation and large loads (such as data centers and manufacturing facilities) can come online faster.…
Tech stack
Location
Jersey City, New York Metropolitan Area, NYC Area
Compensation
Salary: $150-180k + equity