Virginia, USA 9 yrs experience on CogniTech Technologies's bench
AvailableContract GC
About
• Accomplished Senior Java Full Stack Developer with 9+ years of experience architecting, designing, and implementing enterprise-scale applications across banking, fintech, and retail sectors.
• Proficient in full SDLC execution using Agile Methodologies, delivering scalable, high-quality enterprise solutions across APIs, ETL, streaming, IAM and CI/CD pipelines.
• Strong expertise in backend development with Java (6–21), leveraging Core Java, Polymorphism, Encapsulation, Collections (Lists, Maps, Sets), Streams, Lambda Expressions, Functional Programming, Comparators, Sorting, Http Client, Nest-Based Access Control, Unicode 10 and Z Garbage Collector for high-performance and secure systems.
• Strong expertise in building high-performance APIs, multithreaded applications, and cloud-native solutions with a focus on scalability, reliability, and maintainability.
• Experienced in processing and analysing large-scale Clickstream Data using Apache Spark, Apache Druid, and GCP Big Query to deliver real-time analytics and business insights.
• Proficient in data integration, event-driven architectures, and streaming solutions using technologies such as Kafka, REST APIs, SQL, and NoSQL databases.
• Adept at designing and developing microservices using Spring Frameworks (Spring Boot, Spring MVC, Spring Security, Spring Cloud, Spring Batch, Spring JMS) to build resilient, secure and distributed architectures.
• Experienced in developing AI-powered applications using Spring Boot with AI, integrating AWS Bedrock and Azure OpenAI and implementing RAG with Vector DB for intelligent search and contextual data processing.
• Proficient in data persistence and access optimization using Spring JPA with Hibernate (EntityManagerFactory, Entity Manager, Repository, HQL, Native Queries, Criteria API) and Spring JDBC (JdbcTemplate, Named Parameter Jdbc Template, Row Mappers, DTOs).
• Proficient in Unix/Linux administration and Shell Scripting (Bash/Korn Shell) for process automation, batch job management, log analysis, and operational support.
• Experienced in working with ServiceNow, change management, problem management, SLA-driven ticket resolution, and cross-functional collaboration to ensure high system availability.
• Skilled in modern frontend development using Angular (8–14), React (17) and jQuery, alongside JavaScript, TypeScript, HTML, CSS, Bootstrap, AJAX and Promises to deliver responsive, dynamic user interfaces.
• Experienced in backend integration and middleware development using Node.js, enabling efficient asynchronous processing and service orchestration.
• Strong expertise in SQL query optimization, performance tuning, stored procedures, and index optimization, improving database efficiency and application performance.
• Proficient in monitoring and observability tools including Splunk, Dynatrace, AppDynamics, ELK Stack, and Grafana for proactive issue detection, performance analysis, and system health monitoring.
• Proficient in API design and integration using REST APIs (JSON, Swagger, OAuth), SOAP APIs (XML) and Graph, supporting secure and flexible data exchange.
• Skilled in CI/CD automation using Jenkins, GitHub Actions, GitLab CI/CD (Runner) and Bamboo, along with build tools Maven, Gradle and Ant.
• Proficient in version control using GitHub, GitLab, Bitbucket and Subversion (SVN) and tracking tools Jira, GitLab Issues, Mercurial and Bugzilla for streamlined development workflows.