hello, world
Malak
Joumaa.
Designer & developer crafting calm, expressive interfaces.
Senior Full Stack Engineer building production SaaS platforms, AI-native workflows, and scalable systems with clarity, ownership, and real-world impact.
$ whoami
> Malak Joumaa
$ role
> Senior Full Stack Engineer
$ focus
> SaaS platforms
> AI-native workflows
> scalable architecture
$ experience
> React · TypeScript · GraphQL · PostgreSQL · AWS
$ mission
> Build thoughtful systems that teams can trust
Production-grade by default. Shipped to 200+ enterprise clients, zero regressions, with AI agents in the loop.
My Professional Journey
From junior developer to lead engineer — building products and leading teams across four years.
2025 — Present
Lead Software Engineer
Celsia / ISS Corporate
- Primary engineering decision-maker for a 5-person team — owns architecture, sprint delivery, and technical direction.
- Re-architected the reporting platform into a modular multi-framework system, shipped to 200+ enterprise clients with zero regressions.
- Manages AWS infrastructure across EC2, ECS, S3, and Lambda; drives GraphQL, database, and frontend performance work.
2023 — 2025
Software Engineer
Celsia / ISS Corporate
- Delivered ESRS reporting module zero-to-production in 6 weeks under a regulatory deadline, adopted across the full enterprise client base.
- Built data-heavy reporting interfaces across ESRS, EU Taxonomy, and PAI domains; designed scalable GraphQL APIs and database schemas.
- Established reusable frontend, backend, and database patterns that became team-wide standards.
2022 — 2023
Junior Software Engineer
Celsia / ISS Corporate
- Contributed to frontend features, debugging, and testing from week one on a complex enterprise reporting platform.
- Promoted to Software Engineer within 10 months on consistent delivery, ownership, and technical growth.
2026 — Present
Freelance Senior Engineer
AI Agentic SpecialistSanna
- Architected a production LLM document parsing pipeline that replaced fully manual data entry for bank statements and investment reports.
- Designed a human-in-the-loop validation layer so operators can review, correct, and approve AI-parsed output before commit.
- Built scheduling, workflow history, audit trails, pause/resume controls, and accounting service integrations — shipped solo through AI-assisted workflows.
Building Scalable, Maintainable Systems
A monolith dissolved into a modular platform — without a regression for the 200+ clients it serves.
From Monolith
Tightly coupled monolith
- • Hard to scale
- • Slow delivery
- • High complexity
To Modular Platform
Web App
React
Admin
React
Reporting
SvelteKit
Auth Service
Node + JWT
Reporting
GraphQL
File Service
S3 + Lambda
Notifications
SQS + Lambda
PostgreSQL
RDS
S3
Storage
Lambda
Compute
ECS
Containers
How I Ship with AI-Native Engineering
Each idea moves through six checkpoints — captured, planned, wired, built, reviewed, shipped.
Step 1 / 6
Idea / Input
Problem, requirement, or user need.
Step 2 / 6
AI Conductor(Claude Code)
Plans, breaks down, and orchestrates.
Step 3 / 6
Agent Tools & MCPs
Custom MCPs, rules, skills.
Step 4 / 6
Implementation
AI writes, tests, iterates.
Step 5 / 6
Human Review
Review, correct, approve.
Step 6 / 6
Production
Deployed, monitored, improved.
AI-Powered. Human-Guided. Production-Ready.
AI moves fast, judgment moves it forward. Claude Code + custom MCPs + structured review keep speed and quality on the same side.
My Tech Garden
A small plot where I tend the tools I build with — each one cared for, each one production-tested.
Plot 01
Frontend
Interfaces that feel calm and considered.
- React
- Next.js
- SvelteKit
- TypeScript
- Tailwind
Plot 02
Backend & APIs
Resilient services with clean contracts.
- Node.js
- GraphQL
- REST
- Hasura
Plot 03
Databases
Schemas designed to scale gracefully.
- PostgreSQL
- MongoDB
- Supabase
Plot 04
Cloud
AWS infra that holds up at scale.
- EC2
- ECS
- S3
- Lambda
- Vercel
Plot 05
AI Tooling
Agentic workflows with human guardrails.
- Claude Code
- MCPs
- GPT-4
- LLM Pipelines
Plot 06
DevOps & Tools
Tight feedback loops, fewer surprises.
- Git
- CI/CD
- Sentry
- PostHog
- Linear
Impact That Matters
A few moments I'm proud of — measured by outcomes, not output.
Junior → Lead
Promoted within the same organisation in under three years.
5-Person Team
Primary engineering decision-maker across concurrent initiatives.
200+ Enterprise Clients
Production platform shipped to a full enterprise client base.
Zero-Regression Migration
Monolith to modular multi-framework system in four weeks.
ESRS Module
Shipped in six weeks under a hard regulatory deadline.
AI Document Pipeline
LLM-driven workflow replacing manual transaction entry.
Let's build something thoughtful, scalable, and alive.
Lebanon · Available remote, EU-friendly hours
