Top Tech Jobs & Startup Jobs

Lead and grow a multidisciplinary ML and data engineering team building recommendation and ad-serving systems. Set technical direction across retrieval, ranking, contextual bandits, and real-time serving. Own planning, delivery, experimentation rigor, production reliability at scale, and people development while partnering with product and cross-functional stakeholders.

Leads multi-team backend engineering initiatives, guides technical strategy, establishes engineering best practices, mentors experienced engineers, and ensures scalable, reliable systems. The role balances hands-on technical leadership with stakeholder alignment, project delivery, system quality ownership, recruitment support, and cross-functional collaboration. Candidates need 10+ years of experience with Scala, Java, or Go and expertise in highly available distributed systems, databases, security practices, and engineering leadership.

Design, develop, maintain, and architect Truecaller’s iOS application. Build features across authentication and search, optimize performance and responsiveness, debug complex issues, write scalable code, participate in the full software development lifecycle, conduct code reviews, collaborate cross-functionally, and mentor engineers.

Support EU sales and customer success activities for Truecaller for Business. Qualify inbound leads, run outbound campaigns, book meetings, conduct discovery conversations and demos, maintain CRM data, and support customer onboarding, dashboard walkthroughs, and follow-ups. The role requires strong communication, initiative, fluent English, and an interest in sales, business development, or customer success.

Own the Recommendations product portfolio (Ads, Business Messaging, Premium, Growth). Define ML-driven roadmaps, translate commercial goals into prioritized experiments, run end-to-end A/B tests, partner with engineering/data science, and report revenue and engagement KPIs to leadership. Drive reusable ML platform decisions and forecast impact of roadmap items.

Design, build, and operate scalable, low-latency backend services for a high-volume distributed system. Ensure high availability, collaborate with cross-functional teams, mentor engineers, evaluate new technologies, and drive delivery of reliable systems supporting millions of users.

Own end-to-end execution and optimization of mobile app acquisition campaigns: configure MMP integrations, launch and scale CPI/CPA/CPL/CPC campaigns, monitor pacing and quality, troubleshoot tracking and attribution, work with product/data/engineering, build reports, and maintain client communication.

Design, develop, and maintain Truecaller9s iOS application across features from authentication to search. Collaborate with cross-functional teams, ensure app performance and responsiveness, debug complex issues, participate in design and code reviews, follow SDLC, and write clean, maintainable code.

Lead multi-team backend initiatives, provide hands-on technical leadership, mentor engineers, influence product scope, ensure scalable, highly available distributed systems, manage databases and security best practices, align cross-functional stakeholders, and participate in hiring.

Design, build, and deploy ML models for fraud, risk, and intelligence products; translate business problems into data solutions; develop anomaly detection and graph-based methods; own end-to-end model development, deployment, and monitoring; run experiments and manage large multi-country datasets; partner cross-functionally to ship privacy-safe data products and explain model outputs to technical and non-technical stakeholders.