Boaz Leleina

Backend Engineer

Python · AWS · LLM systems

Available now — MS Computer Science, August 2026Download PDF

Summary

Backend engineer with production experience building Python, Django, FastAPI, PostgreSQL, and AWS systems across EdTech and AI startups. I build backend systems that automate irreversible operations safely: cloud cost remediation, agentic pipelines, and local-first observability tooling. MS Computer Science, August 2026.

Looking for backend and API engineering roles, with particular strength in platform and infrastructure, developer tools, cloud cost and FinOps, and AI infrastructure. Open to relocation, hybrid, or remote, anywhere in the US.

Technical Skills

Languages
Python · SQL · TypeScript · JavaScript
Backend & Data
Django REST Framework · FastAPI · REST APIs · WebSockets · PostgreSQL · SQLAlchemy · pgvector
Cloud & DevOps
AWS (EC2, S3, RDS, Lambda, IAM, CloudWatch) · Docker · GitHub Actions · CI/CD · Linux
AI/ML & Testing
OpenAI API · Ollama · RAG · pytest · mypy

Experience

Software Engineer

Jan 2024 – Sep 2024

Appstec America · Remote

  • Reduced p95 Django API latency from 520ms to 310ms (40%) by optimizing PostgreSQL access patterns, adding indexes, and eliminating N+1 queries.
  • Improved Stripe payment success rate by 20% by implementing idempotent retry logic and signature-verified webhook handling.
  • Integrated Udemy Business SSO and REST API workflows and shipped Django services and React components into a PHP-based EdTech platform serving around 2,000 users, streamlining account provisioning and reducing login-related support volume.

Backend Engineer

Jan 2023 – Dec 2023

Gre8 Intelligence · Remote

  • Built an LLM-assisted onboarding system in Django using the OpenAI API to classify businesses and recommend service packages, reducing manual sales triage across pilot deployments serving 100+ end users.
  • Built a browser-based video conferencing service using WebRTC and WebSocket signaling, with live transcription, retry logic, health checks, and structured production logging.
  • Implemented a document-grounded Q&A service that ingested company documents and enabled employees to query internal knowledge in natural language.

Projects

LLM Resume Agent

Apr – Jul 2026

A privacy-preserving resume review agent running fully locally on Ollama. It grades resume-to-job fit and proposes traceable edits, and is structurally prevented from inventing experience.

40 tests · 3 matching layers · 5 traceability tags

github.com/boazleleina/resume_agent

A local observability tool tracking LLM API spend across Claude Code, Gemini/Antigravity, and custom scripts, with a live dashboard and zero external dependencies.

0 external dependencies · ~5s capture latency · 3 telemetry sources

github.com/boazleleina/token-tracker

Education

M.S., Computer Science

Sep 2024 – Aug 2026

William Jessup University

GPA 4.0 · AWS Certified Cloud Practitioner. Graduate research: MCP-based AutoML system integrating Google Gemini and Telegram for automated dataset analysis and reporting.

B.S., Software Development

Apr 2018 – Dec 2022

KCA University

GPA 3.6. Coursework: advanced software engineering with Java, data structures and algorithms, object-oriented programming, database systems, operating systems, and computer networks.

Leadership

Keynote Speaker

2020 – Present

The Samburu Project

Delivered keynote talks to Los Angeles donor audiences supporting $340,000+ raised for clean water and education initiatives in Kenya; served as a STEM mentor to students.

Full project write-ups at boazleleina.com