12+ years · Enterprise & SaaS
Khalid Ahmad
Senior Software Engineer
Senior Full Stack Engineer focused on scalable enterprise and SaaS systems.
Building reliable platforms for global products — from architecture and APIs to cloud and performance at scale.
Remote-ready
Open to international opportunities
Contract or full-time
12+ years shipping production software
International SaaS and enterprise platforms
Search, data, and high-traffic systems
Remote-first collaboration with agile teams
Proof of work
Featured production systems
Real platforms shipped to users — not tutorial demos. Each card links to the live product where available.
NBS Source
International enterprise user base
Enterprise construction product specification platform used internationally.
Role
Full Stack Engineer
Tech
.NET 8
Angular
PostgreSQL
Elasticsearch
GraphQL
- Developed scalable APIs and integrations
- Improved search performance across large catalogs
- Built enterprise frontend modules with performance budgets
Archify
SaaS for built-environment professionals
Digital workflows for architecture and construction documentation.
Role
Full Stack Engineer
Tech
.NET
Angular
TypeScript
PostgreSQL
REST
- Implemented domain-heavy features with strong typing
- Partnered on API contracts with frontend and QA
- Hardened edge cases around permissions and auditing
LeadManager
Operational pipeline for revenue teams
Lead capture and pipeline tooling integrated with marketing and sales operations.
Role
Full Stack Engineer
Tech
Node.js
React
PostgreSQL
REST
AWS
- Built ingestion paths for high-volume lead events
- Tuned queries and indexes for reporting views
- Owned features from UI through persistence
Stack
Technologies I ship with
Grouped the way hiring managers scan CVs: backend, frontend, data, and cloud.
Backend
.NET / ASP.NET Core
Node.js
NestJS
GraphQL
REST APIs
Frontend
React
Angular
TypeScript
Data
PostgreSQL
SQL Server
Elasticsearch
Oracle
DevOps & Cloud
AWS
Docker
Jenkins
Kafka
Logos are representative of the ecosystem; exact versions vary by product and team standards.