Joom

Joom is hiring a Senior ML Engineer to improve marketplace search and build AI/ML experiences for orders, including contextual user answers and automated refunds. The role combines end-to-end machine learning development with distributed, high-load application engineering.

Join Joom as a backend developer building high-load marketplace, infrastructure, storage, or client-facing services in Go and related technologies. The role focuses on architecture, fault tolerance, scalable data processing, and new product development across Joom’s international teams.

Application Security Engineer responsible for establishing application security practices, assessing web and mobile products, and helping development teams remediate vulnerabilities. The role will build the company’s SSDLC and security direction from the ground up.

Join JoomAI as a Senior QA Engineer testing web services, backend systems, and APIs for an AI-powered operating system for e-commerce merchants. The role focuses on hands-on manual testing, complex business logic, root-cause investigation, and improving testing processes.

Onfy is seeking a Senior Backend Developer specializing in Kotlin to build reliable, scalable backend systems and own complex architectural areas. The role combines hands-on backend development with product collaboration and opportunities to work across platform boundaries.

JoomPro is hiring a Senior Frontend Developer to build and support large React.js applications while contributing to refactoring and new feature development. The role offers an AI-first environment with opportunities to expand into full-stack growth.

Build mission-critical software that transforms global trade, from high-load B2B systems and cross-border logistics to ML-serving infrastructure and AI-powered internal tools. This autonomous role offers direct business impact within a compact, highly experienced international engineering team.