pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement. We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with stakeholders to set technical direction, remove bottlenecks, and ship production-grade code. Engagement Details: - Type: Full-time independent contractor - Hours: Full-time commitment expected - Location: Remote (US, Canada, UK, Ireland or Netherlands) - Clients: US and Europe - Rate: Competitive, based on experience What You'll Own - End-to-end technical ownership of a high-revenue web platform and mobile app - Architecture design and long-term technical strategy - Server-side rendering pipeline using Node.js, Fastify 5, and React 19 - Data layer across MySQL and BigQuery - GCP infrastructure including Cloud Run, Cloud Build, and Global Load Balancer - Ad-tech integrations including Google Ad Manager, GTM, GTag, and GPT.js - Performance optimization at scale, where every millisecond counts - ML pipeline maintenance and optimization for ad-tech performance

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement. We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with stakeholders to set technical direction, remove bottlenecks, and ship production-grade code. Engagement Details: - Type: Full-time independent contractor - Hours: Full-time commitment expected - Location: Remote (US, Canada, UK, Ireland or Netherlands) - Clients: US and Europe - Rate: Competitive, based on experience What You'll Own - End-to-end technical ownership of a high-revenue web platform and mobile app - Architecture design and long-term technical strategy - Server-side rendering pipeline using Node.js, Fastify 5, and React 19 - Data layer across MySQL and BigQuery - GCP infrastructure including Cloud Run, Cloud Build, and Global Load Balancer - Ad-tech integrations including Google Ad Manager, GTM, GTag, and GPT.js - Performance optimization at scale, where every millisecond counts - ML pipeline maintenance and optimization for ad-tech performance

pubGENIUS is a React.js and Next.js development agency and ad-tech startup. We build websites and apps for clients across the US and Europe, specializing in decentralized finance (DeFi, crypto, NFT, blockchain), fintech, and healthcare, with occasional work in e-commerce and other verticals. Beyond client work, we operate our own high-revenue web product with a website, mobile app, and machine learning systems powering our ad-tech optimization engine. Performance is not a preference here, it is a core requirement. We are looking for a Principal Software Engineer, who will be the technical authority, responsible for all development, architecture decisions, and long-term technical strategy across a website, mobile app, and ML-powered ad-tech optimization systems. This is a full-time independent contractor engagement. You will work hands-on at a senior level where site speed and server performance are core success metrics. You will work directly with stakeholders to set technical direction, remove bottlenecks, and ship production-grade code. Engagement Details: - Type: Full-time independent contractor - Hours: Full-time commitment expected - Location: Remote (US, Canada, UK, Ireland or Netherlands) - Clients: US and Europe - Rate: Competitive, based on experience What You'll Own - End-to-end technical ownership of a high-revenue web platform and mobile app - Architecture design and long-term technical strategy - Server-side rendering pipeline using Node.js, Fastify 5, and React 19 - Data layer across MySQL and BigQuery - GCP infrastructure including Cloud Run, Cloud Build, and Global Load Balancer - Ad-tech integrations including Google Ad Manager, GTM, GTag, and GPT.js - Performance optimization at scale, where every millisecond counts - ML pipeline maintenance and optimization for ad-tech performance

• Own the Client Experience: Serve as the primary point of contact for a portfolio of client accounts, building strong, trusted relationships and ensuring clients feel supported, informed, and valued throughout every engagement. • Lead Client Engagements: Guide clients through compliance initiatives end-to-end — from kickoff through certification — providing clear communication, proactive updates, and expert guidance at every milestone. • Handle Escalations with Professionalism: Resolve complex client issues and requests with urgency, composure, and a solution-oriented approach that reinforces confidence and long-term retention. • Be a Trusted Advisor: Understand each client's unique business context and deliver compliance guidance that is practical, actionable, and tailored to their needs. • Collaborate Cross-Functionally: Partner with internal teams and client stakeholders to embed security and compliance best practices and resolve issues quickly. • Manage and Develop a Pod of Analysts: Lead a team of 3–5 analysts through coaching, mentorship, and performance management, fostering accountability, quality, and professional growth. • Drive Consistent Delivery: Ensure the team meets deadlines and delivers high-quality work across all active client engagements, stepping in to support where needed. • Develop and Maintain Compliance Frameworks: Create, update, and align compliance policies, procedures, and technical controls with SOC 2 (Type 1 & 2), ISO 27001, HIPAA, and PCI DSS standards. • Lead Compliance Certifications: Oversee and execute SOC 2 and ISO 27001 implementation and certification projects across multi-cloud environments (AWS, GCP, Azure). • Conduct Risk and Security Audits: Perform regular risk assessments and audits to identify vulnerabilities and enhance overall security posture. • Monitor Regulatory Developments: Stay informed on evolving regulations and frameworks to maintain the relevance and accuracy of compliance controls. • Leverage Compliance Automation Tools: Utilize platforms such as Drata, Vanta, and SecureFrame to track compliance metrics and ensure continuous audit readiness.