Senior Fullstack Engineer (Core)

TL;DR

Senior Fullstack Engineer (Core): Building and operating core services and platforms for authentication, data privacy workflows, AI enablement, and internal tooling with an accent on safety, scalability, and reliability. Focus on owning projects end-to-end, improving observability, defining platform patterns, and partnering with product and data teams.

Location: Hybrid 1-2x per week from US offices (Silver Spring, NYC, SF, Miami, Denver). Remote (USA)

Salary: $150,000 - $185,000/year + bonus + benefits

Company

hirify.global’s mission is to improve financial prosperity with tools for financial understanding and money-saving services.

What you will do

• Build and operate core services powering authentication, data privacy, AI enablement, and internal tooling.
• Own projects end-to-end from problem definition and technical design to implementation, rollout, and reliability.
• Partner with product engineers, data teams, and operations to create safe, scalable, and user-friendly systems.
• Improve reliability and observability by instrumenting services, debugging issues, and raising standards.
• Define and strengthen platform patterns like APIs, libraries, and authentication for other teams.
• Write design docs and RFCs, conduct code reviews, and foster continuous improvement.

Requirements

• 7+ years experience with Node.js/TypeScript, React (or similar), Postgres (or similar relational DB). GraphQL is a plus.
• Autonomous in solving ambiguous problems, aligning stakeholders, and delivering to production.
• Early adopter of AI-assisted workflows (Claude Code, Cursor) while maintaining engineering judgment.
• Effective in large organizations, building trust, managing dependencies, and driving execution.
• Strong understanding of observability, performance, data accuracy, and user experience issues.
• Collaborative mindset for breaking down complex problems and giving/receiving feedback.

Nice to have

• Auth & identity: Auth0, OAuth, SSO, session management.
• Privacy & sensitive data: access requests, deletion workflows, least-privilege patterns.
• AI enablement / LLMOps: model gateways, prompt tooling, provider integrations.

Culture & Benefits

• Health, Dental & Vision Plans; Life Insurance; Long/Short Term Disability.
• 401k Matching; Team Member Stock Purchasing Program.
• Learning & Development Opportunities; Tuition Reimbursement.
• Unlimited PTO; Commuter benefits (in-office); Daily Lunch, Snacks & Coffee (in-office).