Senior Software Engineer (Java, API)

TL;DR

Senior Software Engineer (Java, API): Building and optimizing high-scale public API endpoints for data ingestion, observability, and real-time automation with an accent on designing scalable, developer-friendly experiences. Focus on architecting next-generation observability layers, implementing automated rate limiting, and ensuring platform health and customer experience.

Location: Remote (United States)

Salary: $144,840–$210,000 annually + equity + benefits

Company

hirify.global is an AI marketing platform that provides 1:1 personalization through SMS, RCS, email, and push notifications for over 8,000 global brands.

What you will do

• Design and build scalable, public-facing API endpoints for audiences, segmentation, campaign automation, and data ingestion.
• Lead development of high-throughput ingestion endpoints to efficiently upload millions of profile and subscriber records.
• Architect a next-generation observability layer providing insights into API performance, usage, latency, and error patterns.
• Implement automated rate limiting, quota management, and system guardrails to protect platform health.
• Create developer-friendly error handling, contextual feedback, and helpful response patterns.
• Contribute to world-class developer experience, including documentation clarity and API consistency.
• Mentor teammates and drive high engineering standards through design and code reviews.

Requirements

• Must be based in the United States
• 5+ years of backend engineering experience, ideally building scalable, distributed systems in Java.
• Ability to translate complex platform constraints into simple, intuitive developer experiences.
• Deep understanding of reliability, throughput, and large-scale customer integration.
• Value clear documentation, helpful guardrails, and thoughtful API design.

Culture & Benefits

• Competitive perks and benefits, including health & wellness and equity.
• Employee resource groups (AWAKE) for community and support.
• Commitment to diversity, equal opportunity, and an inclusive workplace.
• Provision of reasonable accommodations for candidates with disabilities.