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I am a Senior Full Stack Engineer with 5+ years of experience building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. I specialize in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases. I have led teams delivering scalable digital products for 50,000+ users with 99.9% uptime and I excel in FastAPI, PostgreSQL, Docker, Kubernetes, and event-driven architectures. I enjoy bridging technical and business teams to deliver impactful solutions. I’m passionate about shaping robust, scalable systems and mentoring engineers to adopt modern development practices. My approach blends technical excellence with pragmatic, business-focused outcomes, ensuring we ship reliable software that users love.…I am a Senior Full Stack Engineer with 5+ years of experience building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. I specialize in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases. I have led teams delivering scalable digital products for 50,000+ users with 99.9% uptime and I excel in FastAPI, PostgreSQL, Docker, Kubernetes, and event-driven architectures. I enjoy bridging technical and business teams to deliver impactful solutions. I’m passionate about shaping robust, scalable systems and mentoring engineers to adopt modern development practices. My approach blends technical excellence with pragmatic, business-focused outcomes, ensuring we ship reliable software that users love.

Sahil Mahbub

Full Stack Developer, Back-End Developer, Web Developer

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I am a Senior Full Stack Engineer with 5+ years of experience building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. I specialize in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases. I have led teams delivering scalable digital products for 50,000+ users with 99.9% uptime and I excel in FastAPI, PostgreSQL, Docker, Kubernetes, and event-driven architectures. I enjoy bridging technical and business teams to deliver impactful solutions. I’m passionate about shaping robust, scalable systems and mentoring engineers to adopt modern development practices. My approach blends technical excellence with pragmatic, business-focused outcomes, ensuring we ship reliable software that users love.…I am a Senior Full Stack Engineer with 5+ years of experience building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. I specialize in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases. I have led teams delivering scalable digital products for 50,000+ users with 99.9% uptime and I excel in FastAPI, PostgreSQL, Docker, Kubernetes, and event-driven architectures. I enjoy bridging technical and business teams to deliver impactful solutions. I’m passionate about shaping robust, scalable systems and mentoring engineers to adopt modern development practices. My approach blends technical excellence with pragmatic, business-focused outcomes, ensuring we ship reliable software that users love.

Available to hire

I am a Senior Full Stack Engineer with 5+ years of experience building AI-enabled, production-grade applications using React, TypeScript, Python, and Node.js. I specialize in microservices architecture, cloud-native platforms (Azure/AWS), and GenAI solutions including RAG systems, LangChain, and vector databases. I have led teams delivering scalable digital products for 50,000+ users with 99.9% uptime and I excel in FastAPI, PostgreSQL, Docker, Kubernetes, and event-driven architectures. I enjoy bridging technical and business teams to deliver impactful solutions.

I’m passionate about shaping robust, scalable systems and mentoring engineers to adopt modern development practices. My approach blends technical excellence with pragmatic, business-focused outcomes, ensuring we ship reliable software that users love.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Fluent

Work Experience

Senior Software Engineer at Space Gaming ApS

November 1, 2023 - June 1, 2025

Led platform architecture serving 50k+ active users with 2M+ daily API requests on Azure and AWS; achieved 99.9% uptime and sub-250ms latency via microservices and observability. Migrated from a monolith to containerized microservices on Kubernetes, introducing Docker and Terraform IaC that cut cloud costs by 35% while handling 10x traffic growth. Built an AI-powered support system using Python, FastAPI, LangChain, and OpenAI with a RAG architecture and vector embeddings, deflecting 80% of tickets and reducing response times from 6 hours to under 30 minutes. Implemented event-driven processing with RabbitMQ and Kafka, improving resilience and scaling during peak loads. Championed TypeScript across the codebase and introduced Jest and Cypress testing, boosting test coverage from 22% to 85% and supporting SOC 2 compliance. Revamped CI/CD with GitHub Actions, reducing release time from 45 minutes to 6 minutes. Addressed DB performance with read replicas and Redis caching, increasing API t

Technical Director at QIV Global Ltd

January 1, 2022 - June 1, 2023

Delivered custom web applications for Fortune 500 clients across fintech, healthcare, and education, serving 100k+ users. Designed RESTful APIs using Python (FastAPI) and GraphQL with PostgreSQL optimization and Redis caching; led LMS development with React, TypeScript, FastAPI, and Node.js, including OAuth, real-time progress tracking, and third-party integrations. Integrated payments, emails, and SMS across 15+ external services (Stripe, PayPal, SendGrid, Twilio) improving transaction success rates by 90%. Modernized legacy Vue 2 app to Vue 3 with a reusable component library in Storybook, reducing frontend development time by 40%. Deployed on Azure and AWS with auto-scaling and load balancing to handle 10x traffic during launches. Mentored the team to establish coding standards and improve overall code quality.

Junior Software Engineer at Technet IT Recruitment

April 1, 2021 - January 1, 2022

Developed responsive UI components in React; built backend API endpoints with Node.js and Python; participated in code reviews and pair programming; gained experience with enterprise practices and Agile methodologies. Managed PostgreSQL operations including query optimization and monitoring, and contributed Python scripts for data processing and automation tasks.