We are seeking a highly motivated and results-driven Business Development Manager – Midwest/Texas (US) to join our dynamic team at Quantum-Si to uncover and create new business opportunities for Quantum-Si’s next generation protein sequencing products . The ideal candidate will be a self-starter with a hunger for success, capable of driving prospecting efforts and closing deals to achieve sales targets. This role offers the opportunity to work with cutting-edge technologies and make a significant impact in the life sciences community . As part of our team, your core responsibilities will be: Prospecting and lead generation: Aggressively hunt, identify, and research potential clients across academia, bio/pharma, biotech, and industry. Conduct proactive outbound prospecting activities, including cold calling, email outreach, tradeshows and regional events. Qualify leads based on their needs, budget, and purchasing authority. Nurture relationships through regular follow ups and engagement. Closing business: Develop and maintain a robust sales pipeline of qualified opportunities. Manage opportunities closely, provide strong forecasting updates, and deliver accurate insights into revenue and adoption. Track and prioritize opportunities to ensure timely and efficient sales cycles. Create and execute effective sales strategies to close capital deals, exceed sales targets, drive consumable revenue growth. Negotiate pricing, terms, and contracts with clients to ensure mutually beneficial agreements that achieve optimal outcomes for both parties. Qualifications

Join Cubist as we bridge the gap between "bank-grade security" and blockchain innovation. For Neobanks, Asset Managers, and Traditional Fintechs entering crypto, compliance and key safety are the primary blockers. CubeSigner provides the only solution that offers the auditability and hardware-enforced policy controls that risk officers require, without the operational drag of cold storage. We are looking for a Business Development Lead (Fintech) to own the full commercial lifecycle for our institutional fintech vertical. You’ll report to the President and work directly with the builders of one of the most advanced digital asset operations in the industry. About the Role This is a full-cycle role for a commercial operator who knows how to navigate the procurement processes of large financial institutions and growth-stage fintechs. You will act as a consultative partner to CISOs, Risk Officers, and Product Leads. You will help them navigate the internal "Build vs. Buy" conversation and prove that Cubist is the safest and fastest path to launching crypto products. Key Responsibilities Origination: Build and manage a pipeline of Neobanks, Wealthtech platforms, Asset Managers, and other Fintechs looking to launch or upgrade crypto custody tech. Structuring & Closing: Architect the Opportunity: Work with prospective clients to map CubeSigner to their existing banking core and compliance stack. Solution Selling: Focus heavily on C2F’s ability to run private compliance logic (e.g., identity verification, allowlist management, conformance to off-chain bookkeeping, etc.) inside a Trusted Execution Environment (TEE), proving to auditors that policies are enforced without exposing sensitive business data on-chain. Close: Lead complex negotiations, navigating longer procurement cycles and detailed security reviews. Relationship Ownership: You will act as the trusted partner for these large accounts, driving adoption across multiple business units. About You You speak the language of banking. You understand SOC2, ISO standards, and the rigorous demands of a bank's vendor risk assessment. Experience: 7+ years in sales or BD selling infrastructure to Banks, Fintechs, or Enterprise Financial Institutions. Patience & Persistence: You are experienced in managing 6-12 month sales cycles with complex stakeholder maps (Legal, InfoSec, Product). Technical Fluency: You can discuss security, but you are equally fluent in compliance controls, disaster recovery, and auditability. Closer Mentality: You know how to drive a complex deal to a signature. About Cubist Cubist is a self-custody operating system for programmable money, tokenized assets, and onchain finance across public and private blockchains. We empower global institutions like banks, payment processors, trading firms, and crypto protocols to safely automate digital asset operations using their own sensitive data and business logic. This is possible because of Cubist’s: Security: Keys are safeguarded using FIPS-140 certified HSMs and TEEs. Speed and Scale: CubeSigner signs transactions 200+x faster than MPC-based solutions, with horizontal scaling to millions of TPS. Programmable Policy Engine: Customers define exactly when each key can sign (e.g., “only mint if collateral > X”, “only transfer if internal KYC has passed,” etc.). Confidential Cloud Functions (C2F): With C2F, customers run “private smart contracts”: complex logic—such as compliance checks—that executes inside secure hardware and produces cryptographic proof of exactly what ran. About the Cubist Team Cubist’s founders include a former fintech COO, and cryptography and security professors from UC San Diego and Carnegie Mellon University who collectively have published more than 90 papers on computer security. Members of our team designed the cryptography underlying Ethereum and Avalanche and we’re backed by top-tier investors including Polychain, dao5, and Paxos. Compensation & Perks Competitive base salary, performance-based commission, and equity package Comprehensive medical, dental, vision, and life insurance benefits Company-sponsored 401(k) Home-office stipend Company retreats and offsites

Join Cubist as we build the programmable infrastructure that powers the next generation of stablecoins, online payments, and tokenized assets. For payment processors and stablecoin issuers, slow UX is unacceptable and security breaches are fatal. CubeSigner solves this by keeping keys safe in secure hardware, while offering signing speeds that make instant settlement possible. Our Confidential Cloud Functions (C2F) allow issuers and PSPs to automate complex treasury workflows—like instant minting upon fiat receipt—while keeping compliance logic private and keys secure. We are looking for a Business Development Lead (Payments) to own the full commercial lifecycle for our payments vertical. You will architect solutions for the highest-volume transactors in the industry. You’ll report to the President and work directly with the builders of one of the most advanced digital asset platforms in the industry. About the Role This is a full-cycle role for a commercial operator who understands fintech rails. You will spearhead Cubist’s expansion into the payments sector, targeting PSPs, stablecoin issuers, tokenization platforms, on/off-ramps, and remittance firms. You will act as a consultative partner to Heads of Product, Tech Leads, and Compliance Officers. You will show them how CubeSigner allows them to move from slow, manual operational wallets to fully automated, secure programmatic signing. Key Responsibilities Origination: Build and manage a pipeline of stablecoin issuers, PSPs, tokenization platforms, and other payment solutions. Identify targets where programmatic deposits, transfers, mints/burns and high-throughput settlement are critical bottlenecks. Structuring & Closing: Architect the Opportunity: Work with clients to map CubeSigner into their treasury flows and core technical infrastructure, replacing risky hot wallets or slow manual approval queues. Architect solutions using C2F to enforce regulatory compliance (e.g., travel rule checks, transfer limits, deny lists) programmatically at the moment of signing, without manual intervention. Solution Selling: Demonstrate how our infrastructure creates a verifiable audit trail for every cent moved or token minted. Close: Lead commercial negotiations, structuring agreements that scale with the client's growth. Relationship Ownership: You will own the account post-signature, helping clients expand to new chains and optimize their gas/treasury management using our tools. About You You speak the language of settlement. You understand that in payments, uptime is everything and liquidity efficiency is the goal. Experience: 7+ years in business development within payments, fintech, or crypto treasury management. Full Cycle Mindset: You are comfortable selling mission-critical infrastructure to operationally complex businesses. Technical Fluency: You understand API-driven money movement, wallet infrastructure, and the mechanics of on-chain settlement. Closer Mentality: You are driven by revenue and results. About Cubist Cubist is a self-custody operating system for programmable money, tokenized assets, and onchain finance across public and private blockchains. We empower global institutions like banks, payment processors, trading firms, and crypto protocols to safely automate digital asset operations using their own sensitive data and business logic. This is possible because of Cubist’s: Security: Keys are safeguarded using FIPS-140 certified HSMs and TEEs. Speed and Scale: CubeSigner signs transactions 200+x faster than MPC-based solutions, with horizontal scaling to millions of TPS. Programmable Policy Engine: Customers define exactly when each key can sign (e.g., “only mint if collateral > X”, “only transfer if internal KYC has passed,” etc.). Confidential Cloud Functions (C2F): With C2F, customers run “private smart contracts”: complex logic—such as compliance checks—that executes inside secure hardware and produces cryptographic proof of exactly what ran. About the Cubist Team Cubist’s founders include a former fintech COO, and cryptography and security professors from UC San Diego and Carnegie Mellon University who collectively have published more than 90 papers on computer security. Members of our team designed the cryptography underlying Ethereum and Avalanche and we’re backed by top-tier investors including Polychain, dao5, and Paxos. Compensation & Perks Competitive base salary, performance-based commission, and equity package Comprehensive medical, dental, vision, and life insurance benefits Company-sponsored 401(k) Home-office stipend Company retreats and offsites

Join Cubist as we solve the single biggest bottleneck in institutional crypto: the trade-off between key security and execution speed. For trading firms, every millisecond of latency is lost PnL, and every security compromise is an existential threat. CubeSigner solves this by letting market makers, hedge funds, and other algorithmic trading firms automate transaction signing with the speed of a hot wallet but the security of true hardware custody. We are looking for a Business Development Lead (Trading) to own the full commercial lifecycle for our trading vertical. You will not just find the leads; you’ll close commercial terms, be involved in the integration, and own the long-term relationship. You’ll report to the President and work directly with the builders of one of the most advanced digital asset platforms in the industry. CubeSigner is already trusted by leading protocols and institutions, and our expansion into capital markets is just beginning. About the Role This is a full-cycle role for a commercial operator who understands market structure. You will spearhead Cubist’s expansion into the trading ecosystem, targeting HFTs, prop shops, and family offices. You will act as a consultative partner to CTOs, Heads of Trading, and COOs. You will move the relationship from "initial interest" to "architectural buy-in" to "signed contract"—and then remain their primary commercial partner as they scale. Key Responsibilities Origination: Build and manage a high-quality pipeline of trading firms, market makers, and liquidity providers. Identify targets where CubeSigner’s latency and security advantages create immediate ROI. Get us into the room with the right decision-makers, whether through your existing network, cold outreach, or industry events. Structuring & Closing: Architect the Opportunity: Work directly with prospective clients to understand their trading stack (co-location, signing latency and chain requirements), and map exactly how CubeSigner solves their specific pain points, while demonstrating how C2F (Confidential Cloud Functions) allows them to build custom risk engines and policy checks. About You You speak the language of traders. You understand that "security" in this context isn't just about not getting hacked—it's about uptime, reliability during volatility, and the ability to execute when the market moves. Experience: 7+ years in business development or institutional sales within crypto, fintech, or capital markets. Full Cycle Mindset: You are comfortable handling the entire process—from cold outreach to contract redlines to quarterly business reviews. Technical Fluency: You can confidently discuss concepts like private key management, latency, API connectivity, and market microstructure. You don’t need to be an engineer, but you need to earn the respect of one. Closer Mentality: You are driven by revenue and results. You are organized, proactive, and capable of navigating complex sales cycles with multiple stakeholders. About Cubist Cubist is a self-custody operating system for programmable money, tokenized assets, and onchain finance across public and private blockchains. We empower global institutions like banks, payment processors, trading firms, and crypto protocols to safely automate digital asset operations using their own sensitive data and business logic. This is possible because of Cubist’s: Security: Keys are safeguarded using FIPS-140 certified HSMs and TEEs. Speed and Scale: CubeSigner signs transactions 200+x faster than MPC-based solutions, with horizontal scaling to millions of TPS. Programmable Policy Engine: Customers define exactly when each key can sign (e.g., “only mint if collateral > X”, “only transfer if internal KYC has passed,” etc.). Confidential Cloud Functions (C2F): With C2F, customers run “private smart contracts”: complex logic—such as compliance checks—that executes inside secure hardware and produces cryptographic proof of exactly what ran. About the Cubist Team Cubist’s founders include a former fintech COO, and cryptography and security professors from UC San Diego and Carnegie Mellon University who collectively have published more than 90 papers on computer security. Members of our team designed the cryptography underlying Ethereum and Avalanche and we’re backed by top-tier investors including Polychain, dao5, and Paxos. Compensation & Perks Competitive base salary, performance-based commission, and equity package Comprehensive medical, dental, vision, and life insurance benefits Company-sponsored 401(k) Home-office stipend Company retreats and offsites