• Play a lead role in shaping the next phase of growth within the Health Plan market. • Influence the evolution of the firm’s go-to-market strategy and operating model. • Partner with leadership to build a more scalable, performance-driven business development function. • Expand market presence and impact in a dynamic, high-demand environment. • Drive revenue growth, expanding market presence, and advancing strategic client development across the Health Plan segment. • Originate, shape, and close new business while expanding existing client relationships.

• Identify and approach prospective clients for Sigma Prime’s security assessment, embedded security, and specialist engineering services • Build strong relationships with founders, engineers, security leaders, investors, ecosystem organisations, and other decision-makers across Web3 • Develop commercial and ecosystem relationships for Secstant as the product progresses towards early access and wider availability • Identify potential customers, design partners, integrations, and strategic partnerships for Secstant • Build relationships across the MEV, searcher, relay, validator, DeFi, and broader Ethereum ecosystems relevant to Bombora • Represent Sigma Prime at selected industry conferences and ecosystem events several times per year • Manage early commercial conversations and coordinate technical discussions with Sigma Prime’s directors, Security Assessment Managers, researchers, and engineers • Implement and maintain scalable CRM and business development processes • Establish practical reporting and metrics across pipeline generation, conversion, sales cycles, relationship development, and channel performance • Research prospective markets, competitors, customer needs, and emerging opportunities • Contribute to proposals, partnership discussions, and go-to-market planning • Support product discovery by gathering structured feedback from prospective users and ecosystem participants • Contribute to articles, product updates, case studies, conference material, and other written content where relevant • Help improve Sigma Prime’s broader approach to positioning, communications, and growth

• Develop and close new commercial lending opportunities • Build and maintain a strong pipeline of prospective clients • Represent Santander professionally at industry events • Partner with Credit teams and Senior Business Development Officers for loan proposals • Prepare clear and concise deal briefing memoranda • Maintain an organized and up-to-date database of prospects and activities • Serve as the primary relationship manager for assigned clients

• Design, build, and deploy new user experiences and backend services across our five business verticals, using React, TypeScript, GraphQL, Node.js, and Java • Own features end-to-end: plan, design, develop, deploy, measure, and iterate • Break down complex engineering problems into achievable tasks and deliver them within committed timeframes • Work collaboratively with cross-functional teams (Product, Design, Data, Business stakeholders) to design and implement new features • Contribute to A/B tests and use experimentation results to decide what ships • Actively participate in code reviews and enforce good patterns, testing, and edge-case handling • Coach and mentor junior team members, new hires, and interns • Create shared components, utilities, and services that improve team velocity across the stack • Maintain and improve the runbooks, alerting, and monitoring for the features you ship • Participate in a reasonable on-call rotation with the rest of the team • Use AI coding tools (Claude Code, Cursor, Copilot, and similar) to increase your daily development velocity and code quality • Become a subject matter expert in one or more of the team's sub-domains