Open for Executive & AI Leadership Roles

AI Engineering Leader &
Hands-On Tech Lead

15+ years building production systems at the intersection of AI agent orchestration and scalable backend architecture. Equally effective leading 20-engineer organizations and building production LLM platforms hands-on.

Download CV (PDF) guyflenner@gmail.com +972 (54) 7179878 LinkedIn

Guy Flenner

Netanya, Israel • Fluent English, Native Hebrew

Experience 15+ Years

Education M.B.A. (Distinction) & B.Sc CS

Leadership Scale Up to 20 Engineers

80%

Manual Ops Automated via AI Platform

100M+

Daily Events Handled on Kafka

30%

Cloud Spend Cut (AWS/GCP)

15+ Yrs

Proven Tech & Org Leadership

Signature Achievements

Key architectural and leadership milestones delivered in recent roles.

Agentic AI Platform

Architected multi-tenant AI agent orchestration linking Salesforce to Claude (AWS Bedrock, multi-MCP tools) with layered LLM guardrails and cost-aware model routing.

80% Automation for Insurance Ops

LLM Evaluation Harness

Built CI-gated golden-question regression testing (structural/factual/cost/safety) with automated LLM root-cause diagnosis, guarding 500+ verified support questions.

Quality-Gated RAG Ingestion Pipeline

Kafka Distributed Pipeline

Re-architected legacy Ruby system into Kafka + Kubernetes event-driven Python microservices processing hundreds of millions of daily events with zero downtime.

Reduced Cloud Spend by 30%

Core Competencies & Stack

Deep domain expertise across modern AI, LLMOps, and high-throughput microservices.

AI & Agentic Systems

• Multi-Agent Orchestration & LangGraph
• Model Context Protocol (MCP)
• AWS Bedrock (Claude), ReAct Patterns
• RAG (ChromaDB, sentence-transformers)
• Python 3.13, FastAPI, pytest, mypy, uv

LLM Quality & LLMOps

• Golden-Question Harness & Regression Gate
• LLM-as-a-Judge & Property-based Scoring
• PII Redaction & Prompt Injection Defense
• Bedrock Guardrails & Drift Detection
• LangSmith, Token & Latency Optimization

Architecture & Distributed Systems

• Event-Driven Microservices & DDD
• Kafka (AWS MSK), Schema Registry, DLQ
• Kubernetes, KEDA, Idempotency patterns
• Bloom Filters, Transactional Outbox
• Zero-Downtime Live System Migrations

Cloud & Infrastructure

• AWS (ECS Fargate, DynamoDB, RDS, S3)
• OpenSearch, KMS, ALB, ElastiCache
• Terraform / Terragrunt (IaC)
• PostgreSQL, MySQL, Redis, SQLite
• GCP, Docker, CircleCI, Jenkins

Observability & FinOps

• Datadog, Grafana, Prometheus, Kibana
• CloudWatch, PagerDuty, Incident Response
• Distributed Tracing & Correlation IDs
• Cost-per-service Analysis & FinOps

Leadership & Delivery

• Engineering Leadership (12–20 engineers)
• Hiring, Mentoring & Promoting Tech Leads
• Cross-Functional Alignment (DS/Prod/Execs)
• Agile (Scrum/Kanban), Technical Roadmaps

Professional Experience

A history of building high-performing engineering teams and cutting-edge software.

Software Engineering Team Lead

Novidea

Oct 2024 – Present

• Multi-Tenant AI Agent Platform: Architected production AI platform (~47K LOC Python/FastAPI, 800+ tests) linking Salesforce to Claude via AWS Bedrock, multi-MCP orchestration, and layered guardrails with GDPR-by-design 3-tier erasure. Achieved 80% automation of manual insurance operations.
• LLM Quality System: Built qa-sentinel regression harness scoring answers via property assertions as CircleCI gate with automated LLM root-cause diagnosis.
• Salesforce Code Graph MCP: Built custom FastMCP server (14 tools across 23 Apex domains) with zero-dependency read-only SQLite model for AI-driven impact analysis.
• AI Adoption Leadership: Built company-wide Claude Code plugin marketplace, authored ADR + agentic-SDLC skills, and led org-wide AI enablement sessions for engineers and team leads.

Engineering Manager

Affogata

Oct 2021 – Nov 2024 (3 Years)

• Kafka Event-Driven Architecture: Re-architected legacy Ruby/Sidekiq pipeline into Python microservices on Kafka (AWS MSK) + Kubernetes — processing hundreds of millions of transactions/day for real-time sentiment analysis with zero downtime.
• FinOps & Cloud Cost Reduction: Reduced AWS/GCP cloud spend by 30% through cost-per-service analysis and Terraform-managed right-sizing.
• Organizational Leadership: Managed 20 engineers across backend, data, and infrastructure. Responsible for hiring, performance management, technical roadmap, and promoting team members into lead roles.

Senior Full Stack Developer → Team Lead

Seeking Alpha

Dec 2014 – Oct 2021 (7 Years)

• Built content platform serving millions of readers (high-concurrency financial market data), CMS pipeline, and premium products. Promoted to Team Lead of the paid-products squad.

Solutions Architect / Sr. Software Engineer — NCR / Retalix

2010 – 2014 | Enterprise POS applications (C#, ASP.NET, SQL Server)

Senior CRM & PLM Programmer (Major) — IDF

2005 – 2010 | Enterprise systems for military logistics

AI Engineering Leader & Hands-On Tech Lead