Sr. Software Engineer (Fraud & Quality)

TL;DR

Sr. Software Engineer (Backend): Developing and optimizing high-load backend services for a programmatic research marketplace with an accent on fraud prevention and traffic quality. Focus on designing complex distributed systems, solving analytical challenges, and maintaining system stability under high traffic.

Location: Remote (United Kingdom)

Company

hirify.global is a pioneer in research technology (ResTech), operating the world's largest programmatic marketplace for professional research.

What you will do

• Develop and maintain high-quality backend services used by millions of users daily.
• Design and implement complex systems capable of handling exceptionally high traffic.
• Build tools and logic to combat fraud and improve overall traffic quality.
• Collaborate with a team of top-level engineers to deliver a world-class product.
• Participate in on-call rotations to ensure system reliability and uptime.

Requirements

• 5+ years of professional backend software development experience.
• Must be based in the United Kingdom.
• Proficiency in a major programming language and willingness to switch to Java.
• Strong analytical and problem-solving skills.
• Flexibility to work in on-call rotations.

Nice to have

• Data Science background.
• Experience in combating fraud and improving traffic quality.
• Experience with Java, AWS, Kubernetes, Kinesis, SQL, or Spring.

Culture & Benefits

• Recognized as one of Newsweek’s 2025 Global Top 100 Most Loved Workplaces.
• Results-focused environment that avoids corporate politics and bullshit.
• Culture of strong collaboration, trust, and respect across global offices.
• Opportunity to work on a global scale with teams across Europe, USA, and APAC.
• Commitment to diversity, equity, and inclusion.