Hi, I'm Iyappan Samiraj
Full Stack Developer
Solution Architect
Software Craftsman
Tech Mentor
A developer who loves solving complex problems through elegant code. From startups to scalable apps, I bring ideas to life. Let's build something meaningful together.
Who I Am
I'm a passionate Full Stack Developer with 5+ years of experience building web and cloud-based applications. I love transforming complex problems into elegant, scalable solutions.
From startups to enterprise-grade projects, I enjoy crafting applications that are both functional and delightful to use. My expertise spans JavaScript/TypeScript, Node.js, React, Next.js, Python, and cloud technologies like AWS. I also have hands-on experience with Microservices, Docker, MongoDB, and PostgreSQL.
I'm driven by curiosity and the desire to learn new technologies. When I'm not coding, I explore blockchain, AI, and automation projects, constantly finding ways to innovate.
Domain-Based Expertise
Technical Skills
My expertise across various technologies and tools
Languages
C++
Java
Python
JavaScript
TypeScript
Dart
SQL
Rust
Go
RubyFrameworks/Libraries
React.js
Node.js
Next.js
Flask
Express.js
Tailwind CSS
Three.js
Vue.js
Angular
Svelte
Django
Spring Boot
FlutterReact NativeDataBases
Mysql
PostgreSql
MongoDB
DynamoDB
Redis
KafkaCloud
AWS
GCP
Azure
Docker
Kubernetes
Jenkins
Firebase
SQSDevOps
GitHub Actions
CircleCI
BitBucket CI/CD
Nginx
Apache
RHEL
Azure DevopsConcepts
System DesignData Structures & AlgorithmsDistributed Systems
API DesignMicroservicesSecurityExperience
My professional journey in development and learning
Lead Software Engineer
Openturf Technologies
Designed and implemented end-to-end architecture for fintech microservices handling ledgers, vouchers, transactions, deals, onboarding, bizops, tickets, and compliance workflows.
Key Responsibilities:
- Championed AWS-based DevOps practices, including CI/CD pipelines, automated deployments, monitoring, and secure infrastructure provisioning.
- Led a team of developers, mentored juniors, and facilitated agile ceremonies to ensure timely delivery of projects.
- Collaborated with clients and stakeholders, translating business requirements into technical solutions and ensuring compliance with financial regulations
- Optimized distributed services with MongoDB, MySQL, PostgreSQL, and Kafka for transaction integrity and scalability.
Tech Lead - Full Stack Development
AppXperts IT Solutions
Architected and configured AWS infrastructure (EC2, VPC, Lambda, API Gateway, S3, IAM) with secure, high-availability designs.
Key Responsibilities:
- Mentored junior developers, reviewed code, and enforced best practices for maintainability and scalability.
- Integrated CI/CD pipelines with GitHub Actions to automate CDK deployments and server configurations.
- Improved team collaboration and managed client communications, ensuring transparency and delivery of project milestones.
- Designed event-driven systems using Kafka for asynchronous communication and improved system resilience.
- Led sprint planning and delivery tracking, ensuring on-time releases while aligning with business priorities.
Software Developer
AppXperts IT Solutions
Developed full-stack systems using Node.js, AngularJS, and ReactJS for healthcare and real estate platforms.
Key Responsibilities:
- Integrated APIs including Calendly, Instagram, and Shopify into customer-facing portals.
- Supported DevOps efforts by assisting with CI/CD and server maintenance.
- Collaborated with clients to gather requirements and translate them into scalable technical solutions.
- Optimized database queries and API performance, reducing response times and improving application scalability.
Software Trainee
Hattussa IT Solutions
Built backend engines for large-scale social media data pipelines, enabling faster data retrieval and analytics
Key Responsibilities:
- Designed relational and NoSQL models for both historical tracking and real-time processing.
- Created scalable filtering systems to clean and structure data from 200+ external sources.
- Worked closely with frontend and DevOps teams to maintain deployment readiness.
- Contributed to proof-of-concept projects, showcasing innovative solutions that were later adopted in production.
Internship Trainee
Altimetrik
Collected, cleaned, and organized large datasets from multiple sources including Excel, SQL databases, and APIs.
Key Responsibilities:
- Performed exploratory data analysis (EDA) to uncover trends, patterns, and insights.
- Applied descriptive, diagnostic, and predictive analytics to assist business decision-making
- uilt interactive dashboards and visualizations using Tableau / Power BI / Python (Matplotlib, Seaborn) to communicate insights to stakeholders
- Conducted data validation and quality checks to ensure accuracy of reporting and analysis.
Education
Where My Foundation is started
Bachelor of Technology in Electronics and Communication Engineering
Sri Venkateshwara College of Engineering and Technology
Higher Secondary Education – Computer Science Stream
Srinivasa Higher Secondary School
Certifications
Milestones from my technical journey
Microsoft Certified: Azure AI Fundamentals
Microsoft Certified: Azure AI Engineer
In-Progress
Google Certified: Data Engineer Professional
In-Progress