@amadulhaque
Software Engineer
Track record
0
Projects done
New
Talent rating
Open
Availability
Full Stack Engineer with 5+ years of professional experience building and scaling production web applications with JavaScript/TypeScript (Node.js, React, Next.js), PHP/Laravel, and AWS. Strong background in system architecture, database optimization (PostgreSQL, MySQL), Redis caching, asynchronous processing, microservices, and AI/RAG integrations. Experienced in leading architectural decisions, mentoring engineers, and optimizing high-traffic systems, with a track record of 40%+ performance improvements and 99.9% production uptime.
Software Engineer
Zavisoft
2024-03 – 2026-03
• Architected and maintained logistics and e-commerce platforms on Laravel, React, Next.js, and AWS (EC2, S3, RDS), serving 10,000+ daily active users with 99.9% uptime. • Cut dashboard load time 40% (3.2s → 1.9s) by replacing N+1 query patterns with eager-loaded, indexed queries and a Redis cache-aside layer with TTL-based invalidation. • Designed payment integration layer ( Stripe, bKash, Nagad, SSLCommerz ) with idempotency keys and exponential-backoff webhook retries, processing 50k transactions/month with zero double-charge or reconciliation incidents. • Containerized services with Docker and Docker Compose; introduced GitHub Actions pipelines that reduced release time from 2 hours to under 10 minutes . • Owned REST API design, authentication, and review across mobile, web, and partner integrations, improving contract consistency and reducing integration defects.
Backend Developer
My Outsourcing Limited
2023-04 – 2024-02
• Built CRM and inventory backends in Node.js, Laravel, and MySQL/PostgreSQL, including ViciDial API integration for contact-center workflows. • Designed scalable REST APIs and third-party integrations across payment gateways, SMS providers, and telephony. • Profiled and tuned hot-path queries, reducing key endpoint response times by 35% and cutting database CPU load during peak hours. • Mentored 3 junior developers through code reviews, pair-programming, and weekly knowledge-sharing sessions
Backend Developer
My Softmax Online School
2021-06 – 2023-03
Md Amadul haque
Discuss your project
• Improved API performance 40% by separating read/write services and adopting a Redis-backed caching strategy with TTL invalidation. • Implemented Redis queue workers for transactional email and SMS dispatch with retry policies and dead-letter handling, processing 10k jobs/day reliably. • Established REST-based service communication patterns that supported the team’s migration toward a microservices architecture
Baghia Al-Amin Kamil Madrasah
Madrasah Fazil
AI-Powered Full-Stack SaaS Platform
· RAG, Vector Search, and Next.js • Developed full-stack features utilizing Next.js, Node.js, and PostgreSQL with robust state management and clean responsive layouts. • Integrated AI capabilities using OpenAI/Anthropic APIs, RAG, embeddings, and vector search to automate complex workflows and user queries.
COVID-19 Vaccine Registration System
· Public-health platform, high-concurrency rollout • Built and scaled a registration platform supporting 5,000+ concurrent users with zero downtime during peak vaccination drives. • Designed a fair queue-based slot-allocation system to prevent thundering-herd issues and ensure equitable access.
Microservices Platform Optimization
· Monolith-to-services migration • Led migration of a monolithic application to a service-oriented architecture with Redis-backed background jobs, queues, and REST service contracts. • Reduced p95 latency by 40% and shortened deployment time from hours to minutes through CI/CD automation.
Software Engineer Certificate
HackerRank
Issued 2024
