Siddhant Raj · Python Developer · 8+ yrs
SeniorAbout Siddhant
Siddhant Raj is a seasoned backend engineer specializing in developing scalable and efficient backend systems. With over 8 years of experience, he has a strong command of Python, Golang, and PHP, and has successfully led multiple projects focusing on AI integration and microservices architecture. His ability to optimize performance and deliver under tight deadlines makes him a valuable asset to any team.
Core expertise
Additional skills(7)
FastAPI
AWS
Docker
PostgreSQLWhy hire Siddhant?
Delivered MVPs in fast-paced, high-pressure environments
Built scalable backend services using FastAPI and Golang
Optimized performance for real-time usage
Integrated AI models into backend systems
Senior backend title with AI + microservices + cloud breadth
FastAPI + AWS Docker + scalable APIs
Multiple AI workflow + analytics platforms
Project highlights(6)
AI-Powered Backend Platform – Senior Backend Engineer
Overview: Built an AI-powered backend platform for processing and delivering intelligent insights. Responsibilities: Developed APIs for AI model integration using Python and Golang, built scalable backend services using FastAPI and Golang for performance-critical modules, delivered MVP within tight deadlines, optimized performance for real-time usage, and integrated PHP-based services for lightweight backend utilities.
Key outcomes:
Live AI-integrated MVP with FastAPI + Golang performance-critical modules delivered under tight deadlines.
Scalable Microservices Backend System – Senior Backend Engineer
Overview: Developed microservices-based architecture for high-traffic applications. Responsibilities: Built modular backend services using Python and Golang, designed APIs for high-performance data processing, improved scalability and service reliability, and developed supporting services using PHP for rapid feature delivery.
Key outcomes:
Live microservices for high-traffic apps with modular Python + Golang services and PHP supporting layers.
AI Workflow Automation System – Senior Backend Engineer
Overview: Developed backend workflows for AI-based automation. Responsibilities: Integrated AI models into backend systems, built data processing pipelines using Python and Golang, optimized execution performance, and used PHP for building lightweight automation endpoints.
Key outcomes:
Live AI-integrated workflow automation pipelines on Python + Golang with PHP-served lightweight endpoints.
High-Performance API System – Senior Backend Engineer
Overview: Developed APIs handling large-scale requests with low latency. Responsibilities: Built REST APIs using FastAPI and Golang, optimized queries and caching mechanisms, improved response time significantly, and maintained PHP-based APIs for legacy integrations.
Key outcomes:
Live FastAPI + Golang APIs with Redis caching delivering significantly improved response times for large-scale requests.
Cloud-Based Backend Infrastructure – Senior Backend Engineer
Overview: Designed backend infrastructure on cloud platforms. Responsibilities: Deployed services on AWS using Docker, managed scalable backend systems using Python and Golang, built internal tools using PHP, and ensured reliability and high availability.
Key outcomes:
Live AWS + Docker deployments with high-availability Python + Golang backend systems.
8+ years of industry experience
- •AI-Powered Backend Platform— Senior Backend EngineerPython · Golang · PHP · FastAPI
At a Glance
Single contract. Billed in USD.
Typically responds within 4 business hours.
Top Skills
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Siddhant Raj
Sr Backend Engineer