Libin Mathew
Building scalable systems and cloud infrastructure
Results-driven Node.js Backend Developer with extensive DevOps expertise focused on TypeScript, AWS CDK, and cloud infrastructure automation.
Professional Experience
Over 5 years of experience developing scalable software solutions and cloud infrastructure
Senior Software Engineer
- Designed and developed scalable Node.js backend services using TypeScript; increased system throughput by 30%.
- Built and maintained cloud infrastructure with AWS CDK, Terraform, and CloudFormation; reduced deployment time by 40%.
- Implemented CI/CD pipelines via Jenkins, GitHub Actions, Azure DevOps, and ArgoCD; decreased deployment failures by 50%.
- Deployed microservices using Docker on AWS ECS, EKS, and Lambda; enhanced scalability and fault tolerance.
- Managed API gateways, ALB configurations, and Kubernetes ingress controllers (Istio, Nginx) to optimize traffic routing.
- Integrated certificate management using ACM, Certbot, and HashiCorp Vault; strengthened system security.
- Optimized SQL (MySQL, PostgreSQL) and NoSQL (DynamoDB, MongoDB, CosmosDB) databases; improved query performance by 25%.
- Developed serverless applications on AWS Lambda and Azure Functions; reduced operational costs by 30%.
- Enhanced application performance; reduced latency by 20% and increased system reliability.
Junior Software Engineer
- Developed native Android applications using Kotlin and Java; boosted user engagement by 35%.
- Implemented robust app architectures and complex user interfaces; reduced UI rendering time by 20%.
- Collaborated with cross-functional teams to ensure seamless feature integration and rollout.
- Utilized Prometheus and Grafana for server monitoring; reduced system downtime by 15%.
- Automated infrastructure deployment with Terraform and Kubernetes; decreased manual configuration errors by 50%.
Technical Skills
Diverse technical expertise spanning programming languages, frameworks, cloud platforms, and tools
Programming Languages
- Node.js
- TypeScript
- JavaScript
- Python
- GoLang
- Java
- C#
Backend Frameworks
- Express.js
- NestJS
- GraphQL
- REST APIs
Cloud & DevOps
- AWS (EKS, ECS, Lambda, API Gateway, IAM, S3, CloudFormation, CDK)
- Azure (AKS, Functions, App Services, Blob Storage, Event Grid, Service Bus)
Infrastructure as Code
- AWS CDK (TypeScript)
- Terraform
- CloudFormation
- ARM Templates
Containerization & Orchestration
- Docker
- Kubernetes
- Podman
- Istio
- Helm
Monitoring & Logging
- Prometheus
- Grafana
- CloudWatch
- Azure Monitor
- ELK Stack
CI/CD & Automation
- Jenkins
- GitHub Actions
- GitLab CI/CD
- Bamboo
- ArgoCD
- GitOps
- Azure DevOps Pipelines
Security & Authentication
- HashiCorp Vault
- EJBCA
- Certbot
- ACM
- OAuth2
- JWT
Databases
- MySQL
- PostgreSQL
- DynamoDB
- MongoDB
- CosmosDB
- PLSQL
Version Control & Collaboration
- Git
- Bitbucket
- Jira
- Confluence
Education & Certifications
Academic background and professional certifications
Education
Master of Computer Applications (MCA)
St. Joseph's College of Engineering and Technology, Palai
2016 – 2019
Bachelor of Computer Applications (BCA)
St. Joseph's Academy of Higher Education and Research, Moolamattom
2013 – 2016
Certifications
AWS Certified Developer – Associate
Amazon Web Services
Continuing Learning
Committed to continuous learning in cloud technology, devops practices, and software development.
Project Highlights
Key projects showcasing technical expertise and business impact
Infrastructure as Code Automation
Developed AWS CDK stacks in TypeScript for cloud resource provisioning; reduced provisioning time by 50%.
Microservices Deployment
Deployed Node.js microservices on AWS EKS, ECS, and Lambda; improved service availability by 40%.
CI/CD Pipeline Development
Automated deployment pipelines; reduced deployment time by 40% and increased release efficiency.
API Security Enhancement
Integrated OAuth2, JWT authentication, and certificate-based security; improved system security by 35%.
Database Optimization
Tuned relational (MySQL, PostgreSQL) and NoSQL (DynamoDB, MongoDB, CosmosDB) databases; improved response time by 25%.
Serverless Implementations
Built and deployed AWS Lambda and Azure Functions for event-driven architectures; reduced compute costs by 30%.
Open-source Contributions
Active in projects related to cloud automation and microservices. Regular participant in DevOps and cloud-native meetups; committed to continuous learning and technology innovation.