Senior Software Engineer (Fullstack)

TL;DR

Senior Software Engineer (Fullstack): Building and owning the Open TTD integration portal for advertisers and providers with an accent on persona-based web experiences and scalable API design. Focus on designing high-quality web interfaces, evolving technical architecture, and implementing end-to-end features within a high-visibility greenfield initiative.

Location: Sydney

Salary: $80,000—$100,000 USD

Company

hirify.global is a global technology company and the world’s leading independent platform for digital advertising.

What you will do

• Design and build scalable web experiences including persona-based spaces, shell architecture, and embedded application integrations.
• Develop backend services and APIs for authentication, access control, search, and partner onboarding.
• Collaborate with product managers and UX designers to translate complex requirements into maintainable solutions.
• Own features end-to-end, from initial scoping and design through implementation, testing, and production monitoring.
• Drive technical quality by participating in design and code reviews and establishing scalable patterns.
• Evolve the technical architecture of the Open TTD platform to support new personas and broader platform integrations.

Requirements

• Strong frontend and full-stack development skills with experience building large-scale portals or developer-facing platforms.
• Proficiency in modern React-based frontends.
• Experience working with RESTful and GraphQL APIs.
• Backend development experience in C# or similar languages.
• Ability to communicate technical trade-offs clearly to both technical and non-technical stakeholders.
• Comfort working with ambiguity in a greenfield project environment.

Culture & Benefits

• Comprehensive healthcare (medical, dental, and vision) with premiums paid in full for employees and dependents.
• Retirement benefits including a 401k plan with company match.
• Generous paid time off, including vacation (up to 160 hours), sick leave, and approximately 13 paid holidays per year.
• Equity opportunities through stock-based compensation grants and an Employee Stock Purchase Plan.
• Additional perks: short and long-term disability coverage, basic life insurance, and tuition reimbursement.