Daniel Sadq
@danielsadq
I build scalable MERN and AWS applications, microservices, and real-time systems serving high-volume users.
United StatesWhat I'm looking for
I've built and scaled production applications across YourHomeEstate, Network For Animals, and Bubble using the MERN stack and AWS. My work includes decomposing monoliths into domain-driven microservices and shipping systems for more than 10,000 monthly users.
At YourHomeEstate, I redesigned a monolithic platform into four containerized Node.js and Express microservices, increasing release velocity 3x. I also shipped a notification service handling 50,000+ daily alerts with zero downtime and React investment dashboards for real estate decision-making.
At Network For Animals, I delivered secure REST APIs, modernized a decade-old monolith, and built a bulk-upload pipeline that eliminated 15 hours of manual entry each week. I migrated an on-premise application to AWS with auto scaling that absorbed a 200% seasonal traffic spike without downtime.
I'm drawn to event-driven architecture, real-time applications, and performance-focused platforms. Through PropTrack and ClientIQ, I've built multi-tenant SaaS products, high-volume alerting engines, search improvements with Redis and geospatial indexing, and dashboards supporting concurrent users.
Experience
Work history, roles, and key accomplishments
Senior Software Engineer
YourHomeEstate
Aug 2023 - Present (3 years)
Spearheaded the architectural redesign of a monolithic application into 4 domain-driven microservices on Node.js/Express, containerized with Docker, increasing release velocity 3x. Designed and shipped a standalone Node.js notification microservice handling 50,000+ daily alerts with zero downtime during peak traffic.
Full Stack Engineer
NetworkForAnimals
Mar 2022 - Jul 2023 (1 year 4 months)
Designed and delivered secure RESTful APIs (JWT, rate limiting, RBAC) in Node.js/Express for mobile and web clients, cutting development rework 8%. Refactored a decade-old monolith into a modular Node.js/Express/React architecture, reducing new feature implementation time by 35%, and migrated an on-premise application to AWS with auto scaling groups.
Software Engineer
Bubble
Sep 2020 - Feb 2022 (1 year 5 months)
Built and deployed event-driven AWS Lambda functions (Node.js, API Gateway) for authentication and video-metadata processing, scaling to 2,000+ concurrent requests. Implemented WebSocket-based real-time notifications in React for meeting summaries and action items.
Education
Degrees, certifications, and relevant coursework
University of California, Riverside
Bachelor of Science, Electrical Engineering
2017 - 2020
Bachelor of Science in Electrical Engineering from the University of California, Riverside, completed in 2020.
Tech stack
Software and tools used professionally
Availability
Location
United StatesAuthorized to work in
Job categories
Skills
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