Chennai, Tamilnadu
**********@*****.***
ABDUL WASIV H
FULL STACK ENGINEER
github.com/Abdulwasiv
linkedin.com/in/abdul-wasiv-h
Backend-focused Full Stack Engineer with 2.5+ years of experience designing scalable, high-availability distributed systems using Golang and Python. Proven track record of building event-driven microservices, high-throughput APIs, and real-time processing systems handling 10M+ records and 15K+ daily workflows. Strong expertise in system design, performance optimization, and secure multi-tenant architectures.
TECHNICAL SKILLS
Backend Development Golang (Gin, Kratos), Python (FastAPI, Flask), REST gRPC APIs, Distributed Systems, Microservices Architecture, System Design, API Design, Event-Driven Architecture, Authentication (JWT, OAuth2). Frontend Development React.js, Flutter (Dart), Swift, Kotlin, HTML, CSS, JavaScript, State Management, API Integration. Databases & Storage PostgreSQL, MongoDB, MySQL, Redis (Caching), Elasticsearch, NATS Cloud & DevOps Google Cloud Platform (GCP), Docker, Kubernetes, CI/CD (Jenkins), Observability (Logging, Monitoring), Performance Load Testing (K6).
TECHNICAL EXPERIENCE
Stitch Financial Technologies India Private Ltd, Chennai Oct 2024 - Present Full Stack Developer
• Project: AML Compliance Engine – High-Scale Customer Screening System Tech: Golang (Kratos, gRPC), React, Elasticsearch, PostgreSQL, Redis, NATS
– Designed a scalable distributed system processing 10M+ records, achieving 98% fraud detection accuracy using optimized fuzzy matching algorithms.
– Designed a fuzzy matching engine (Levenshtein, Jaro-Winkler, Double Metaphone), improving accuracy by 35% and reducing false positives by 25%, with insights exposed in React UI.
– Built a scalable event-driven architecture enabling real-time React table updates for 10K+ daily requests with sub-50ms latency.
• Project: Financial Marketplace Integration Platform – Unified Partner API Hub Tech: Python (Flask), React, PostgreSQL, Redis, REST APIs, OAuth2
– Architected a scalable API integration platform unifying 30+ external financial services, reducing integration complexity by 60%, and exposed workflows via a React-based partner dashboard for seamless onboarding.
– Designed and implemented a secure multi-tenant backend architecture with OAuth2/JWT, RBAC, and tenant isolation, enabling role-based access in React UI and ensuring 100% data security and compliance.
• Project: Workflow Orchestration Engine – Event-Driven Loan Processing Platform Tech: Golang (Kratos, gRPC), NATS, PostgreSQL (JSONB), Redis
– Designed and developed a DAG-based workflow orchestration engine managing the end-to-end loan lifecycle, reducing manual effort by 70% and improving efficiency by 45%.
– Implemented a scalable event-driven microservices architecture using NATS, enabling real-time task scheduling and supporting 15K+ workflow executions/day.
ATATUS, Chennai Jan 2024 – Sep 2024
Full Stack Developer
• Project: Digital Lending Mobile Platform – Full Stack Loan Management Application Tech: Flutter (Dart), Golang, FastAPI, Firebase, REST APIs
– Developed a cross-platform mobile application and backend APIs using Golang and FastAPI, enabling loan processing for 10K+ users.
– Engineered secure API integrations using JWT, SSL pinning, connecting 5+ services and improving success rate by 30%.
– Implemented real-time notifications and backend services using Firebase and SSE, increasing user engagement by 25%. EDUCATION
B.E. in Computer Science Engineering
Saranathan College of Engineering and Technology 2021 – 2024 ACHIEVEMENTS & ACTIVITIES
• Gold Medalist – Best Outgoing Student at SIT Trichy for academic excellence and overall contributions.
• Won 7 Hackathons including Tamil Nadu Hackathon and contributed to the Naan Mudhalvan initiative.
• Finalist in 15+ National Hackathons (IIT Madras, IIT Guwahati, Walmart) and achieved 3 Research Paper Awards; led Technical Club and won 5 Zonal Championships in Hockey, Kho-Kho, and Cricket.