Senior Full Stack Engineer

Role Description

As a Senior Full Stack Engineer, you will:

• Build customer-facing products used by investigators, analysts, and compliance teams
• Design and implement scalable APIs and backend services
• Own features from concept through production deployment
• Build full-stack applications across backend and frontend systems
• Design intuitive user experiences for non-technical users
• Collaborate with customers and internal stakeholders to understand pain points
• Translate customer requirements into technical solutions
• Design database schemas and backend architectures
• Build distributed systems supporting large-scale blockchain intelligence workflows
• Improve platform reliability, scalability, and performance
• Work across React, backend services, databases, and APIs
• Develop analytics and investigation workflows
• Participate in architecture and system design discussions
• Drive technical decisions across product initiatives
• Build and ship greenfield features with high ownership
• Collaborate closely with engineering, product, and customer-facing teams
• Mentor engineers and contribute to engineering excellence
• Operate as a senior individual contributor with significant ownership
• Build products that help prevent financial crime globally

Qualifications

• 5–10 years of experience in full-stack software engineering
• Experience at high-growth startups (Seed through Series C)
• Experience leading products or features from 0 → 1
• Strong ownership mentality and startup mindset
• Strong backend engineering experience
• Experience designing and shipping customer-facing APIs
• Strong system design and architecture skills
• Experience with React and modern frontend development
• Experience with relational databases such as PostgreSQL
• Experience working with analytical databases and data-intensive applications
• Strong software engineering fundamentals
• Experience building enterprise SaaS products
• Ability to work effectively in ambiguous environments
• Experience collaborating closely with customers and stakeholders
• Strong communication and product thinking skills
• Hands-on experience using AI tools in engineering workflows
• Ability to own projects end-to-end
• BS/MS in Computer Science or related technical field preferred

Requirements

• Founding Engineer, Senior Engineer, or Technical Lead experience
• Experience building products from 0 → 1 ownership
• Startup experience during rapid growth phases
• Experience at Series A–C startups
• Strong API design expertise
• Experience building customer-facing SaaS products
• Experience serving non-technical end users
• Strong React and TypeScript experience
• Experience with Node.js backend systems
• Experience with PostgreSQL and analytical databases
• Experience operating distributed systems at scale
• Strong product engineering mindset
• Demonstrated customer empathy
• Consistent tenure (2+ years) at prior companies
• Active use of AI coding tools such as Cursor, Claude Code, Copilot, or similar
• Founder or startup builder experience
• Proven success operating in highly ambiguous environments
• Experience building data-intensive products

Benefits

• Base salary: $211,000 – $250,000
• Equity package valued at approximately $260,000 – $400,000 over four years
• Opportunity to join a Series C company at $1B valuation
• Fully remote work environment
• Significant ownership over product direction and architecture
• Direct impact on products used by governments and financial institutions
• Work alongside highly experienced engineering teams
• Exposure to AI, blockchain intelligence, and financial crime investigation
• Strong product-market fit and hypergrowth environment
• Opportunity to help build a safer global financial system
• High autonomy and influence as a senior individual contributor