@rafayshaikh1
I build scalable backend APIs and production AI systems with Node.js, PostgreSQL, and RAG.
PakistanI've built booking, payment, and operational APIs at Saxon Digital Technology, scaling PostgreSQL and Redis data access and implementing caching that reduced server load and improved speed by up to 40%.
I also build production AI tools, including a ReAct research agent with pgvector RAG and web retrieval, a private AI job-search workflow engine, and a natural-language SQL interface with safe read execution and write approval controls.
Work history, roles, and key accomplishments
Saxon Digital Technology
Jan 2023 - Present (3 years 8 months)
Built Node.js/Express services for booking, payment, and operational workflows. Optimized data access with PostgreSQL and Redis, and implemented caching strategies that boosted performance by up to 40%.
TafreeGo
Jul 2022 - Jan 2023 (6 months)
Built RESTful services to streamline system data flow and refactored database queries to reduce latency. Delivered clean, documented endpoints to accelerate frontend integration.
Degrees, certifications, and relevant coursework
Bachelor of Science, Computer Science
2020 - 2023
Pursued a Bachelor of Science in Computer Science from 2020 to 2023.
Claude Code in Action, Artificial Intelligence
Completed the Claude Code in Action certification from Anthropic.
Claude 101, Artificial Intelligence
Completed the Claude 101 certification from Anthropic.
Prompt Engineering, Artificial Intelligence
Completed the Prompt Engineering certification from DeepLearning.AI.
Web Development, Web Development
Completed the Web Development certification from TestDome.
Software Engineer (Node.js), Software Engineering
Completed the Software Engineer certification in Node.js from HackerRank.
REST APIs, Software Engineering
Completed the REST APIs certification from HackerRank.
PakistanYou can contact Rafay and 90k+ other talented remote workers on Himalayas.
Message RafaySign up now and join over 250,000+ remote workers who receive personalized job alerts, curated job matches, and more for free!
Sign up now and join over 250,000+ remote workers who receive personalized job alerts, curated job matches, and more for free!
Join the remote work revolution
Himalayas is the best remote job board. Join over 250,000+ job seekers finding remote jobs at top companies worldwide.
Abdullah T.
Software Engineer, txFusion
Imad Khan
Backend Engineer, Readyhubb LLC
syeda anosha
Full Stack Engineer, Invotyx
Rauf User
Senior Software Engineer, Exam Papers Plus
Wasif Ali
Senior Full Stack AI Engineer, Turing
Hamza Ali
Freelance Software Engineer, Upwork
Babar Ali
Full Stack Developer, Freelance
Ihsan Ullah Khan
Full Stack Engineer, Funprime Technologies
WAQAR anjum
Full Stack Software Engineer, Freelance
Yahya Rehman
Senior Software Engineer, Quecko