Senior Software Engineer (AI Ranking)

TL;DR

Senior Software Engineer (AI Ranking): Designing and building core ranking features for AI Search at scale, focusing on improving search experience with measurable impact. Focus on operating production-grade data pipelines, ensuring correctness, reliability, and cost-efficiency in high-traffic, large dataset environments.

Location: Paris, France. This role is available with either a hybrid-remote or in-office schedule in Paris.

Company

hirify.global is a market leader in AI Search, empowering over 17,000 businesses with predictive search and browse experiences and processing over 30 billion search requests weekly.

What you will do

• Design and build ranking features from technical design through production rollout, focusing on customer impact.
• Build and operate production-grade pipelines for relevance features, including AI Re-Ranking, with attention to correctness, reliability, and cost.
• Own the quality and soundness of data flows, raising the bar on testing, observability, and operational readiness.
• Collaborate with frontend engineers, ML specialists, and product partners to deliver robust, customer-facing capabilities.
• Guide decisions with data, define success metrics, dig into datasets, and run experiments for measurable improvements.
• Mentor and uplift the team through thoughtful reviews and best practices, fostering ownership and continuous improvement.

Requirements

• Experience designing and operating production pipelines (batch, streaming, or hybrid) and accountability for reliability.
• Confidence working with large datasets and high-traffic systems, with a pragmatic approach to performance, scaling, and cost.
• Experience building and maintaining API services for internal or external customers.
• Strong engineering fundamentals: high code quality, automated testing, and maintainable design.
• Experience with a major cloud provider (GCP, AWS, or Azure) and comfort debugging production issues.
• English: Excellent spoken and written required.

Nice to have

• Experience operating AI models in production (monitoring, drift, latency, failure modes, evaluation).
• Strong Go and/or Python proficiency.
• Track record of data-driven decision making, exploring datasets with SQL.
• Kubernetes experience, especially running services and pipelines in cloud-native environments.
• Sensitivity to end user experience.

Culture & Benefits

• Flexible workplace model emphasizing individual impact and autonomy, with options for fully remote or hybrid-remote work (where applicable).
• Global presence with offices in Paris, NYC, London, Sydney, and Bucharest.
• Strong values: Grit, Trust, Candor, Care, Humility.
• Commitment to creating an inclusive workplace valuing autonomy, diversity, and collaboration.
• Focus on building the world’s best search and discovery technology.

Hiring process

• Apply directly through hirify.global's careers page for safety.
• All genuine communication will be from an @hirify.global.com email address.
• hirify.global will never ask for payments, purchases, or financial details during the hiring process.