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Actively Hiring

Designs, builds, and launches AI and Web3 products1-10 Employees

Top 10% of responders
Hashmark Labs is in the top 10% of companies in terms of response time to applications
Responds within a few days
Based on past data, Hashmark Labs usually responds to incoming applications within a few days
Growing fast
Showed strong hiring growth in the past month

Jobs at Hashmark Labs

Sales

Senior Business Development Lead : Web3 & AI Partnerships

NewPosted 5 days ago

Senior Business Development Lead : Web3 & AI Partnerships

Month 1: 10% of net profit generated from collected client payments.
Months 2–3: 5% of net profit generated from collected client payments.

Remote only • Everywhere

Engineering

Principal AI Engineer — Agentic Systems & AI Infrastructure

NewPosted 5 days ago

Principal AI Engineer — Agentic Systems & AI Infrastructure

Agentic AI Systems: Multi-agent architectures, graph-based orchestration, planning, routing, tool calling, memory, queues and human-in-the-loop workflows.
RAG & Enterprise Search: Hybrid retrieval, embeddings, vector databases, metadata-aware reranking, multi-tenant knowledge systems and access control.

Remote only • Everywhere

₹40,000 – ₹1.3L • No equity

Engineering

Principal Applied Cryptography Engineer (Rust) : Protocol Security & PQC

NewPosted 5 days ago

Principal Applied Cryptography Engineer (Rust) : Protocol Security & PQC

Post-Quantum Cryptography: Implement and integrate quantum-resistant signatures and key-establishment mechanisms, including ML-KEM, ML-DSA and related schemes, with hybrid migration and interoperability considerations.
Zero-Knowledge Systems: Develop and optimize proof-verification components, evaluate SNARK/STA...

Remote only • Everywhere

$12k – $20k • No equity

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