Backend Developer

A fast-growing, well-funded Israeli Generative AI and Enterprise Sales Intelligence startup pioneering an autonomous, real-time AI Sales Coach platform. Backed by premier, top-tier US venture capital firms, the company is scaling its core foundational team in Israel. The engineering culture operates as an elite early-stage R&D pod, tackling cutting-edge challenges across multi-agent workflows, state-of-the-art LLMs, and real-time streaming architectures on scalable cloud backbones. Located in the Central District directly adjacent to primary train transit, operating on a hybrid model with two days working from home. Role Description- Joining as a Foundational Senior Backend & AI Software Engineer, taking a core hands-on role in designing, architecting, and building the company's flagship AI coaching platform. Architecting and developing high-throughput, low-latency backend infrastructure and APIs in Python using FastAPI, SQLAlchemy, and PostgreSQL. Designing and operationalizing autonomous Agentic AI workflows, LLM orchestration pipelines, and real-time conversational analysis integrating cutting-edge foundation model APIs (OpenAI, Anthropic, Google Gemini). Building resilient real-time streaming services capable of ingesting, transcribing, and processing live conversational telemetry with minimal latency. Deploying, scaling, and maintaining production-grade containerized microservices across AWS and Kubernetes (K8s). Working closely with the founding team to shape technical decisions, system design patterns, and engineering culture from an early stage. Requirements- B.Sc. in Computer Science, Software Engineering, or an exact science discipline from an accredited research university, OR graduate of an elite IDF technological unit with a degree from a college – Mandatory At least 3 years of proven professional hands-on software development experience – Mandatory Solid, hands-on production engineering expertise in Python – Mandatory Proven background designing and building scalable systems on modern Cloud environments (AWS preferred) – Mandatory Proven professional experience working within early-stage or fast-paced Startup environments – Mandatory Practical experience or strong working knowledge of LLMs, Prompt Engineering, or Foundation Model APIs (OpenAI, Anthropic, Gemini) – Mandatory Fluent, professional technical communication capabilities in English (written and verbal) – Mandatory