Software developer / New Delhi, India
Backend engineer.
Software consultant.
I build APIs, data pipelines and applications for businesses and public institutions. My work spans financial systems, government platforms and document retrieval with LLMs.
01 / Consulting
Senior Software Consultant02 / Technical leadership
Fractional CTO03 / Experience
Building software since 201501 Selected work
A selection of systems I’ve worked on through RITCOP and Digitech.
Turning bank statements into structured transaction data.
I built PDF and Excel parsing pipelines and worked on the backend services, storage and extraction workflows behind the application.
Backend modules and APIs for employee records, HR administration and recurring workflow automation.
Beneficiary management, project tracking and fund monitoring for the Deputy Commissioner Office, Jammu.
Registration, project approval and grievance-handling modules for Himachal Pradesh’s real estate regulator.
02 Experience
From writing application code to shaping architecture and technical delivery.
Sep 2024 —Present
RITCOP IT Services LLP
New Delhi
Backend systems, APIs and data processing. Recent work includes RAG pipelines, semantic search and LLM integrations.
Sep 2024 —Present
Digitech Systems & Infocom
New Delhi
Architecture and technical delivery for government web and mobile platforms, including BADP–SSY and HP RERA.
Jan 2022 —Aug 2024
Acquara Management Consultant
Gurugram
PHP applications, backend services and integrations for business software.
Jul 2015 —Dec 2021
RITCOP IT Services LLP
New Delhi
Websites, ERP modules, content management and ecommerce. Started part-time and grew into a senior development role.
May 2015 —Jun 2015
Wollmilchsau GmbH
Noida
Web development internship focused on application work within a production team.
03 Working stack
Most of my development is in PHP and Python, with tools chosen for the application.
PHP / Python
FastAPI / REST APIs
MongoDB / Redis
AWS S3 / Apache Tika
Qdrant / FAISS / Bedrock
LlamaIndex / Hugging Face
LiteLLM
AWS / Git
n8n / Automation
Recent focus: document ingestion, embeddings and vector search — making document collections easier to search and use inside existing applications.
04 Contact
For a project, a role or a technical conversation, send me a note with a little context.
contact@rahulrehan.com