Senior Full-Stack Engineer

LIOR VAINER

Featured Work

Projects

Nest Hex

A tiny, class-based, NestJS-native library for building pluggable adapters following the Ports & Adapters (Hexagonal Architecture) pattern with minimal boilerplate.

NestJSCLICI/CDTypeScript

SportScanner

AI-powered platform for discovering and generating personalized sport match travel packages. Search, refine, and collaborate on group trips based on your favorite teams.

Google GeminiAI AgentsSSEObservability

1/4

Sitewave

AI-powered website discovery and bookmarking assistant. Suggests useful websites via natural language prompts, enriched with videos, folder suggestions, and a searchable bookmark tree.

Next.jsTailwind CSSConvexClerk

4REST

HTTP REST Client built on top of axios and zod packages. Easy to use and extensively customizable, extendable and configurable services with built-in CRUD methods.

TypeScriptnpmJestREST APIs

Career Path

Experience

Feb 2024 – Present

Senior Software Engineer

Lotem, IDF Digital & Data Unit (Mazpen)

Leading end-to-end development of large-scale, real-time distributed systems. Driving architectural migration from Java monolith to microservices-based monorepo.

Mar 2021 – Feb 2024

Full Stack Developer

Unit 8200, Israeli Military Intelligence

Built management and data analysis systems for disaster response. Led two end-to-end projects and designed a 3-month full-stack programming course.

Sep 2022 – Sep 2025

BSc Computer Science

The College of Management

Final Average: 91. Focused on algorithms, distributed systems, and software architecture.

Tech Stack

Skills

Frontend

ReactNext.jsReact NativeRedux.jsTypeScriptJavaScriptTailwind CSSShadCNSassHTMLCSSFigma

Backend

Node.jsNestJSExpressSpring BootJavaKotlinREST APIsWebSocketSSE

Cloud & DevOps

AWSAzureAzure DevOpsLambdaAzure FunctionsS3Azure BlobSQSService BusRekognitionDockerKubernetesCI/CD

Data & Storage

PostgreSQLMongoDBRedisSQL ServerTypeORMApache Kafka

AI & ML

Google GeminiAI AgentsArtificial Intelligence

Testing & Tools

JestUnit TestingCode CoveragenpmNxMonorepoObservabilityAgileVersion Control

Get in Touch

Let's work together

I'm always open to discussing new opportunities, interesting projects, or just having a chat about tech.

liorvainer@gmail.com

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