Programming Languages
- Java 7/8/11/17, Python 3x, JavaScript (ES6), TypeScript, SQL, PL/SQL, Shell Scripting, Go (Basics), C (Basics)
Web & Front-End Technologies
- HTML5, XHTML, CSS3/SCSS, JavaScript 185, jQuery, AJAX, JSON, XML
- ReactJS, Redux Toolkit, Nextjs (Basics)
- Angular 2, AngularJS 1x
- PrimeFaces, JSF 22, JSP 21, Servlets 31
- Bootstrap, Material UI, Tailwind CSS
- Responsive Web Design, Cross-Browser Compatibility
Backend & Server Technologies
- Java/J2EE, Spring 3/4/5, Spring Boot, Spring MVC, Spring Security
- Hibernate 42, JPA, Struts 20
- NodeJS, ExpressJS
- Microservices, RESTful APIs 20, SOAP, WSDL
- Apache Tomcat 55, JBoss, WebLogic 12c
- Python (FastAPI, Flask), API Gateway, Lambda Functions
Cloud Platforms (AWS Azure)
- AWS (Advanced): EC2, S3, Lambda, DynamoDB, RDS, SNS, SQS, API Gateway, EKS, ECS, Elastic Beanstalk
- IAM, VPC, CloudFront, Route53, CloudWatch, Redshift, SES, SWF
- AWS SDKs, S3 Glacier, Elastic Cache, OpsWorks, Storage Gateway
- CodeCommit, CodePipeline, CodeBuild, Server Migration Service
- Azure (Intermediate): Azure Functions, Blob Storage, Key Vault, AKS, App Service, ACR, Monitor, AI/ML services
AI, Machine Learning & LLM Technologies
- GPT-35 / GPT-4 / GPT-4 Turbo / GPT-o
- LangChain, LLM Prompt Engineering
- Model Evaluation & Reasoning Tasks
- OCR: Tesseract, AWS Textract, Vision APIs
- Vector Databases: FAISS, ChromaDB
- Embeddings, RAG (Retrieval-Augmented Generation)
- Classification, NER, Summarization Pipelines
- AI-driven document extraction & automation
Databases
- Oracle 11g/12c, MySQL 56, PostgreSQL
- MongoDB, DynamoDB, Cassandra (Basics)
- Redis, ElasticSearch (Basics)
- NoSQL (General), SQL/PL-SQL
- Snowflake (Basics), Redshift
DevOps, CI/CD & Automation
- Jenkins, GitHub Actions, GitLab CI, Azure DevOps
- Docker, Kubernetes, Helm, Terraform
- Maven, Gradle
- Ansible, Chef, Puppet
- SonarQube, JFrog Artifactory
- Bash/Shell Scripting
- CI/CD pipelines for microservices deployment
- Monitoring & Logging: Grafana, Prometheus, Splunk, ELK Stack
Messaging, Streaming & Integration
- Kafka, RabbitMQ, ActiveMQ
- WebSockets, Event-Driven Architecture
- API Integration, Webhooks
- ETL workflows, Transformers, Schedulers
Testing & Quality Engineering
- JUnit 412/5, Mockito
- Jasmine 25, Karma 14, Jest, Cypress (Basics)
- Postman, Newman, SoapUI, Load Testing
- TestNG, Cucumber
- Integration & Automation Testing
Architecture & Patterns
- Microservices Architecture
- MVC, MVVM
- Clean Architecture, Domain-Driven Design (DDD)
- Design Patterns (Factory, Singleton, Builder, Observer)
- Distributed Systems, Event-Driven Systems
- Caching, Queuing, Scalability, Performance Optimization
Version Control & Collaboration
- Git, GitHub, GitLab, Bitbucket
- JIRA, Confluence
- Agile/Scrum methodologies