Sagar Pratap Singh (Devvx) — Advanced AI & Backend Engineer

Sagar Pratap Singh — Advanced AI & Backend Engineer

Building high-performance AI intelligence pipelines, clean REST APIs, secure authentication systems, and cloud architectures with Python, FastAPI, PostgreSQL & Docker.

DEV VX
DEV VX

/SELECTED WORK

View All Work
Real ProjectIn Progress
DevLog
Modern blogging platform engineered with FastAPI, PostgreSQL, AWS S3, Jinja2, and Nginx
FastAPIBackend
AWS S3 / Boto3Cloud Storage

DevLog - High-Performance Developer Blogging & Publishing Platform

Full-stack developer blogging platform built with FastAPI, PostgreSQL, Jinja2 server-side rendering, AWS S3 object storage via Boto3, Nginx reverse proxy, and Docker containerization.

FastAPIPostgreSQLAWS S3 / Boto3Jinja2Nginx / Docker
Real ProjectCompleted
Scribo
Turn uploaded audio or video into transcripts, summaries, highlights, and action items
Up to 250MBAudio Uploads
AssemblyAIAI Engine

Scribo - AI Meeting Summarization & Intelligence Platform

Full-stack AI meeting summarization app powered by AssemblyAI, Express, MongoDB, and React with secure httpOnly cookie authentication and per-user chat history.

React / ViteNode / ExpressMongoDBAssemblyAI
ExplorationIn Progress
DSA Solutions
Daily commitment solving Data Structures & Algorithms with manual logic & complexity breakdown
Daily ProgressCommit Cadence
HandcraftedProblem Solving

DSA Solutions - Data Structures & Algorithms Problem Repository

Curated open-source repository of Data Structures & Algorithms solutions solved manually with step-by-step logic, complexity analysis, and daily progress tracking.

PythonAlgorithmsDSALeetCode
ExplorationCompleted
RoleForum
Public content, private permissions, and admin moderation REST API built with FastAPI
FastAPIFramework
Postgres + ORMDatabase

RoleForum - Role-Based Blog & Forum REST API

Role-based blog and forum REST API built with FastAPI, PostgreSQL, SQLAlchemy, Alembic, and JWT with comprehensive authorization paths and admin override moderation.

Python / FastAPIPostgreSQLSQLAlchemyJWT / RBAC

/SERVICE

/EXPERIENCE

6+ Months of experience

Building high-performance full-stack and backend projects (DevLog, Scribo), mastering Data Structures & Algorithms daily in Python, and advancing deep practical knowledge in RAG systems, Kubernetes orchestration, Apache Kafka streaming, Redis caching, and System Design concepts.

Key Impact & Scalability Metrics:
Architecting production-ready applications including DevLog (FastAPI/PostgreSQL/AWS S3) and Scribo (AI Meeting Intelligence).
Solving and documenting DSA problem patterns daily in Python with optimal time & space complexity analysis.
Engineering distributed backend architectures exploring Apache Kafka event pipelines, Redis caching layers, Kubernetes, and RAG workflows.
PythonFastAPIDSASystem DesignKubernetesApache KafkaRedisRAG
Available for New Project

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Together, we can architect scalable, reliable, and high-performance backend systems. Let's collaborate to bring your ideas to life.