Senior Fullstack Engineer (AI)

Location: New York, US; work in the New York office

Salary: $170,000–$200,000/year base salary plus bonus and equity

Company

hirify.global operates a Native Search advertising marketplace integrated with web browsers, Buy Now Pay Later apps, and AI chat surfaces.

What you will do

• Build production-ready features for client-facing and internal workflows in the AI-native Amplify platform.
• Develop reusable, performant frontend experiences with React and other frontend technologies.
• Build scalable, secure, and observable Java backend microservices.
• Design and optimize database schemas, queries, indexes, and transactions.
• Improve reliability, performance, maintainability, testing, and code quality.
• Use AI-assisted development tools responsibly, mentor engineers, and contribute to technical design and engineering standards.

Requirements

• Bachelor’s degree in Computer Science, Engineering, or a related technical field preferred, or equivalent practical experience.
• 5+ years of professional software engineering experience.
• 3+ years of hands-on React experience; TypeScript experience is preferred.
• 3+ years of hands-on Java experience; Spring Boot is preferred.
• Experience with relational databases, preferably MySQL.
• Experience designing and maintaining microservices and GraphQL/REST API endpoints, distributed systems, and production-grade applications.
• Strong understanding of software design principles, clean code, testing, refactoring, and maintainable architecture.
• Experience with CI/CD, automated testing, observability, and production support.
• Experience using AI-assisted development tools for prototyping, architecture, coding, debugging, testing, refactoring, documentation, and learning; ability to validate generated code for correctness, security, scalability, performance, and maintainability.
• Strong problem-solving, analytical, stakeholder management, communication, ownership, accountability, and delivery skills, with the ability to evaluate tradeoffs, mentor engineers, and work in a fast-paced environment.

Nice to have

• Experience with analytical databases such as ClickHouse for reporting and product analytics.
• Experience with Kafka or similar event-driven technologies.
• Experience in ad tech, search, marketplace systems, analytics, or high-scale transactional platforms.

Culture & Benefits

• Collaborative culture based on Curiosity, Collaboration, Creative Conflict, Commitment, and Competitiveness.
• Continuing education, management training, company-wide lunch and learns, and defined career paths.
• Comprehensive healthcare, wellness programs, paid time off, commuter benefits, and 401k matching.
• Summer Fridays, catered lunches, stocked kitchen, sports teams, happy hours, and corporate retreats.
• No third-party recruiters or unsolicited agency resumes.