Lead Software Engineer - Frontend

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• Lead the design and delivery of AI-augmented software solutions across critical product initiatives. \n

• Partner with engineering leaders, product stakeholders, and architects to define technical strategy and execution plans. \n

• Build and deploy intelligent agent frameworks that assist with software development, code review, testing, and operational efficiency. \n

• Drive modernization efforts by migrating legacy systems and improving platform scalability and maintainability. \n

• Define and implement specification-driven development practices that leverage generative AI capabilities. \n

• Own the technical direction for a key product vertical while mentoring engineers and influencing architecture decisions across teams. \n

• 8+ years of professional software engineering experience. \n

• Strong full-stack development background with deep expertise in TypeScript. \n

• Experience with modern server-side frameworks such as NestJS, Remix, or similar technologies. \n

• Hands-on experience designing and deploying applications in Kubernetes environments. \n

• Demonstrated experience leading large-scale technical initiatives and influencing engineering best practices. \n

• Exposure to AI-assisted software development, LLM-powered applications, developer tooling, or agent-based systems. \n

• Bachelor’s degree in Computer Science or a related technical discipline. \n, * Experience with modern AI development platforms, orchestration frameworks, and model integration patterns. \n

• Knowledge of functional programming concepts and practices. \n

• Experience working within marketplace, fintech, consumer technology, or product-driven organizations. \n

• Familiarity with advanced frontend architecture concepts, including suspense boundaries and modern rendering techniques. \n

Harnham is partnering with a high-growth consumer technology and financial services business operating at significant scale, serving millions of users globally. Backed by the resources and stability of a large public technology organization, the business combines the agility of a startup with the reach, data, and impact of an enterprise platform.

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This is an exciting opportunity to join a rapidly expanding AI-focused engineering team that is transforming how software is designed, built, and maintained. The organization is investing heavily in AI-enabled development tools, intelligent agents, and next-generation engineering practices, with plans to significantly scale the team over the coming months.