Backend Tech Lead – AI Platform

About UsHiBob helps modern, mid-size businesses transform the way they manage people, giving HR and managers everything they need to connect, engage, develop, and retain top talent.Since 2015, we've experienced exceptional growth and today serve over 5,500 companies worldwide. Our platform powers modern HR for companies such as Monzo, Fiverr, Gong, Happy Socks, and VaynerMedia. Come and be you with usBeing a Bobber is all about being yourself. We want you to bring your ideas, curiosity, and passion to work, giving you the freedom and confidence to do your best work every day. About the TeamThe AI Group is building the foundation for AI across HiBob.We develop the AI infrastructure that powers the AI experience throughout the product. We ensure the production AI platform is stable, reliable and secure.Our mission is not only to build AI-powered features, but to enable every product team at HiBob to build reliable, scalable, and high-quality AI experiences.We work with modern LLM technologies, agentic workflows, MCP, retrieval systems, evaluation pipelines, distributed systems, and production-grade AI infrastructure, deploying to production multiple times a day. What We're Looking ForRequirements are often considered a measure of how equipped you are to do the job—but they're not the only factor.If you don't meet every requirement but believe you'd be a great fit, we'd still love to hear from you.Must Have10+ years of software engineering experience with a strong backend background. 3+ years as a Tech Lead or technical leader in fast-paced environments. Strong AI engineering skills, including context engineering, agent optimization, troubleshooting, and systematic evaluation of AI system performance. Excellent system design and distributed systems experience. Strong understanding of scalable cloud architectures (AWS or equivalent). Experience building production-grade backend services and microservices. Excellent communication and stakeholder management skills. Passion for solving complex technical problems. Curiosity and excitement about AI and rapidly evolving technologies. Ability to lead technical direction while remaining hands-on. Nice to HaveExperience building LLM-powered products. Experience with Agentic AI, Tool Calling, MCP, RAG, or AI orchestration frameworks. Experience designing AI evaluation frameworks and datasets. Experience with AI observability and production monitoring. Experience building internal developer platforms. Experience with Kotlin, Scala, or Java. Experience working with event-driven architectures. What You'll DoAs a Tech Lead, you'll play a key role in shaping the future of AI at HiBob.You'll combine deep technical expertise with strategic thinking, helping multiple teams build production-ready AI experiences while driving engineering excellence across the organization.In this role you will:Lead the technical direction of one of HiBob's AI domains. Design scalable AI architectures and production-ready agentic systems. Drive technical decisions around LLMs, Retrieval, Tool Calling, MCP, evaluation frameworks, and AI infrastructure. Own complex cross-team initiatives from design through production. Collaborate closely with Product, Data, Infrastructure, and Engineering teams to turn AI opportunities into customer value. Help define engineering standards and best practices for building reliable AI systems. Drive engineering excellence through architecture reviews, mentoring, and technical leadership. Balance rapid experimentation with production-grade quality and scalability. Evaluate emerging AI technologies and identify opportunities to improve our platform and customer experience. Why Join Us?This is a unique opportunity to help define how AI is built across HiBob.Rather than owning a single AI feature, you'll help shape the platform, standards, and architecture that dozens of engineers will use to deliver intelligent experiences to thousands of customers.If you enjoy navigating ambiguity, evaluating cutting-edge AI technologies, and turning them into reliable production systems—we'd love to meet you. HiBob is a village filled with amazing people and we’re especially proud of that. It’s a place where Bobbers can be themselves. We’re about fun, dreams, hopes and ambition, just as much as we are about precision, growth, and top performance. Becoming a Bobber means you’ll receive competitive Total Reward offer including: Financial & Equity Incentives 💰 Equity Plan: Participation in the Company Share Options Plan Social Contributions and Keren Hishtalmut Employee Referral Program: $2,500 for each successful hire Wolt Benefit (meal card): ₪1,000 per month Health, Wellness 🏥 Private Health Insurance: Comprehensive premium medical coverage Sick Leave: Full payment from the first day of illness Wellness Benefits: Annual Headspace subscription and dedicated wellness programs Preventive Screening: Health screenings for employees aged 40+ Work-Life Balance & Leave ⚖️ Paid Time Off: Competitive paid time off policy HiBaby: 3 weeks of additional fully paid bounding time for new parents Bob Balance Days: 4 additional company-wide "long weekend" days (one per quarter) Social Impact: 2 paid days per year for volunteering and social contribution Work from Anywhere: Temporary remote work option for up to 2 months (available after 6 months of tenure). Birthday Day Off: Enjoy a day off during your birthday month Hybrid Work & Office Environment 🏠 Hybrid Model: A flexible balance between office and home-based work Home Office Allowance: One-time stipend to ensure an ergonomic and productive home setup Transportation: Monthly travel allowance or parking arrangements Pet-Friendly: Dog-friendly office environment to support a stress-free workplace Culture & Growth 🎉 Social Events: Regular team-building and company-wide events, both local and global Professional Growth: A culture built on precision, performance, and ambitious career scaling If this sounds like something you’ve been looking for, we’d love to have you. Come on, join our village 🚀