Stack Developer Node Js
Resume:
LOKESH BORRA
FULL STACK DEVELOPER
WORK EXPERIENCE
Company: Tek Excel Inc Dec 2023 - Present
Client: NielsenIQ, Chicago, USA
Role: Full Stack Java Developer
Responsibilities:
Involved in setting up the application to run on AWS cloud environment on multiple EC2 instances. Created event-driven jobs using AWS cloud tools like S3, DynamoDB, SNS, SQS, and AWS Lambda with Java.
Developed scalable, event-driven backend services using Node.js and Express.js, handling high concurrency and real-time data processing.
Migrated key frontend features from JavaScript to TypeScript, resulting in a 30% drop in production bugs and smoother CI/CD integration with ESLint and Jest.
Expertise in Apache Kafka message implementations and their integrations with the systems.
Worked on server-side CSS pre-processing platforms and UI kits, such as LESS/SCSS, Node.js, and Bootstrap.
Developed dynamic, responsive user interfaces using React.js, implementing reusable components and hooks to enhance application performance and maintainability.
Integrated TypeScript into Node.js backend services, leveraging interfaces and generics to enforce consistent API contracts and enhance developer productivity.
Orchestrated deployment of React frontends on AWS S3 and CloudFront for scalable, low-latency global content delivery.
Behaviour-Driven Development (BDD) implementation with Cucumber Gherkin and Jenkins for Continuous Integration and Continuous Delivery patterns (CI/CD).
Built scalable REST APIs using both Java Spring Boot and Node.js, supporting hybrid cloud deployments via AWS Lambda and EC2, ensuring modular microservice architecture for high-load applications.
Developed RESTful services to trigger and manage BPM workflow processes, ensuring seamless orchestration between backend systems and business logic.
Implemented workflow automation for order processing, approval chains, and exception handling, reducing manual intervention by 30%.
Integrated BPM engines with Java 17/Spring Boot applications for dynamic task assignment, process monitoring, and reporting.
Configured Camunda/jBPM process models (BPMN) to streamline business operations, enabling faster deployment of new processes.
Integrated Kotlin-based APIs with frontend applications using React and Angular, maintaining consistency in data models through shared DTOs.
Developed NLP pipelines for text analysis of customer feedback, enabling actionable insights for product teams.
Collaborated with data scientists to deploy ML models into production APIs using Spring Boot and AWS Lambda.
Built and maintained scalable, secure REST APIs in Java/Spring Boot for high-traffic, event-driven systems, following best practices in observability, security, and CI/CD.
Participated in on-call support rotations, debugging live production issues, and implementing root-cause fixes.
Served as Test Lead overseeing validation and verification activities for microservice-based applications, ensuring adherence to quality and regulatory requirements.
Designed and maintained Shell scripts to automate system health checks, log management, and data ingestion workflows in Linux-based environments.
Built microservices using Java and Golang, with experience integrating APIs using REST and gRPC. Explored GraphQL for flexible query design in modern frontend-backend communication.
Implemented QA best practices across CI/CD pipelines and supported test automation for serverless and containerized applications in compliance with medical device protocols.
Developed and maintained scalable, fault-tolerant backends with clean architecture principles, ensuring code was well-documented, modular, and thoroughly testable using JUnit and integration test frameworks.
Integrated server monitoring, logging, and alerting solutions including CloudWatch, ELK Stack, and Splunk, enabling faster triage and resolution of production issues.
Built microservices and backend utilities using Python and Golang, focusing on performance optimization, concurrency handling, and RESTful API development.
Wrote advanced SQL queries and performed data modelling for analytical pipelines; integrated backend services with Databricks for real-time processing and analytics workloads.
Worked on Snowflake Data Warehouse for high-performance query execution, data sharing, and transformation; automated ingestion pipelines for structured and semi-structured data using Python and Snowflake Tasks/Streams.
Integrated Java/Spring Boot microservices with Adobe Experience Platform (AEP) to capture and process customer behavioural data in real time, enabling targeted campaigns and improved personalization.
Developed REST APIs for Adobe Experience Manager (AEM) components, supporting content authoring workflows, digital asset management, and seamless delivery of personalized web content.
Environment: AWS Lambda, BDD, Bootstrap, Cassandra, CI/CD, CSS, DynamoDB, Gherkin, Hibernate, Java, Java 8, Jenkins, Python, Snowflake, Golang, Kafka, Kubernetes, Microservices, MySQL, Node.js, Oracle, Oracle 9i, PCF, React, React Flux, S3, Kotlin, Scala, Spark, Spark SQL, Spring, Spring Boot.
Company: Tek Excel Inc Mar 2023 - Dec 2023
Client: Otto, Chicago, USA.
Role: Full Stack Developer
Responsibilities:
Developed high-performance applications in Java 8/11 and Spring Boot, building scalable APIs and microservices for data processing and customer engagement platforms.
Designed and deployed RESTful APIs on Azure Kubernetes Services (AKS), Azure App Services, and Azure Functions, ensuring secure, cloud-native, and highly available operations.
Integrated Apache Kafka for event-driven messaging, enabling real-time streaming, reliable data pipelines, and seamless integration between microservices.
Worked extensively with MySQL and Azure SQL Database, optimizing queries, designing schemas, and improving performance for high-volume transaction systems.
Refactored legacy monolithic systems into microservices using Spring Cloud and Azure Service Bus, improving scalability and reducing deployment times by 30%.
Implemented security best practices in APIs, including Spring Security, OAuth2, token-based authentication, and proactive vulnerability fixes through dependency upgrades and IAM policies.
Configured CI/CD pipelines using Azure DevOps and Jenkins, automating build, test, and deployment processes for faster and more reliable delivery.
Conducted unit testing and integration testing with JUnit, Mockito, and TestNG, ensuring quality and reliability of APIs before production releases.
Provided production support, including post-deployment validation, hotfixes, and occasional night/weekend rollouts to ensure system stability.
Collaborated with cross-functional teams in Agile/Scrum, participated in peer code reviews, and mentored junior developers on microservices best practices and Azure deployments.
Integrated monitoring and alerting tools (Prometheus, Grafana, Azure Monitor, and Splunk) for proactive incident detection, faster debugging, and reduced downtime.
Environment: Java 17, Core Java, Spring Boot, STL, Multithreading, Microservices, Kafka, REST API, Kubernetes, Jenkins, GitHub Actions, Azure Functions, PostgreSQL, MongoDB, IntelliJ, Visual Studio.
Client: RJP Infotek, Chennai, INDIA June 2020 - July 2022
Role: Java Full Stack Developer
Responsibilities:
Developed and maintained enterprise web applications leveraging Java 17, Spring Boot, Hibernate, and Microservices architecture.
Created RESTful APIs and SOAP web services using JAX-RS, JAX-WS, CXF, and Jersey to ensure seamless system integration.
Utilized Terraform to implement Infrastructure as Code (IaC) for provisioning cloud infrastructure on AWS.
Deployed and managed microservices on both AWS and Azure App Services, utilizing EC2, S3, Lambda, and Azure Functions to achieve serverless architectures.
Managed real-time data streaming with Apache Kafka and handled message queuing across systems with RabbitMQ.
Developed responsive user interfaces with Angular, React, Redux, HTML5, CSS3, JavaScript, and Bootstrap.
Established CI/CD pipelines with GoCD, automating build, test, and deployment workflows for faster delivery cycles.
Built microservices using NestJs (TypeScript), leveraging decorators and dependency injection to enforce modular architecture.
Worked with relational and non-relational databases like MSSQL Server, PostgreSQL, Oracle, and Sybase.
Applied design patterns such as MVC, Singleton, Prototype, Adapter, and Decorator to develop scalable and maintainable systems.
Proficient in version control using Git, GitHub, SVN, and CVS, and collaborated in Agile (SCRUM) teams via Jira.
Followed Test-Driven Development (TDD) practices, ensuring quality through unit testing with JUnit and Mockito.
Developed and integrated Microservices to support enterprise-level software delivery, ensuring seamless backend operations.
Designed MongoDB collections and created services for data storage and retrieval in Node.js applications.
Used IntelliJ for developing and debugging Spring Boot applications and leveraged Git for source control.
Implemented Elasticsearch for enhanced search functionality and faster querying of large datasets.
Wrote unit tests with JUnit and Mockito to ensure high code quality and comprehensive test coverage.
Designed and developed React-based web pages from scratch, ensuring a modern and responsive user experience.
Utilized Java 8 Lambda Expressions and Stream API to simplify collection handling and improve code readability.
Developed data-accessible web applications using HTML5, CSS3, and Node.js to enable employee access.
Authored several shell scripts and worked with MySQL and SQL Server for data validation and transformation.
Built RESTful web services using Node.js for backend operations, handling requests from the front end via jQuery Ajax.
Developed data visualization tools to track key metrics and performance indicators, presenting insights effectively to leadership teams.
Automated infrastructure provisioning and deployment workflows using Terraform, Kubernetes, and cloud-native solutions (AWS, Azure).
Gained experience in Go (Golang) to build internal tooling and support microservice architectures, improving overall team productivity.
Environment: Angular, Apache Kafka, Azure, Jenkins, JMS, JSON, Kafka, Microservices, MVVM,MVC, Node.js, OAuth, React, RESTful, Spark, Spring, Spring Boot
Client: RJP Infotek, Chennai, INDIA Jan 2020 - June 2020
Role: Backend Software Engineer
Responsibilities:
Utilized the Dependency Injection feature of the Spring Framework, writing database integration code using Hibernate, and employed Spring AOP to manage exceptions effectively.
Acted as a key senior developer in the development of next-generation Microservices.
Collaborated on the design and implementation of end-to-end solutions, integrating Cassandra and Java for efficient data handling.
Leveraged React JS's efficient data flow architecture to build a lightweight and responsive web application for searching GitHub projects via keywords using the GitHub API.
Expertise in deploying enterprise applications on IBM WebSphere Application Server, ensuring secure and scalable performance of J2EE applications.
Deployed and managed applications on Kubernetes and AWS cloud platform services for high availability.
Integrated WebSocket’s and real-time data updates in TypeScript-powered apps using Socket.io and RxJS for responsive user experiences.
Developed REST Microservices using Java JDK 1.8, Scala, on the IntelliJ platform, integrating with Oracle.
Implemented lightweight WADL (Web Application Description Language) to enhance the understanding of RESTful web services and their configurations.
Extensive experience in developing Microservices using Spring frameworks, employing domain-driven design principles.
Involved in JUnit testing, using JSON parsers, and maintaining data accuracy for robust application performance.
Experience in the Analysis, Design, Development, and Testing of applications following Agile methodology.
Used Java Message Service (JMS) to enable communication between application components for creating, sending, receiving, and reading messages.
Developed Spring RESTful web services to deliver XSD, XML, and JSON content using Jersey Spring implementation.
In-depth expertise in Core Java, including concepts such as Multithreading, Synchronization, Collections, and Event/Exception handling.
Designed and implemented scalable data structures and pipelines to optimize data engineering workflows, ensuring seamless integration with cloud platforms.
Environment: Agile, AOP, Cassandra, EC2, Git, GitHub, Hibernate, IntelliJ, Java, Jira, JMS, JSON, JUnit, Microservices, Oracle, React, RESTful, Scala, Spring, XML.
CERTIFICATIONS:
AWS Certified Cloud Practitioner.
SCRUM Agile Certified Scrum Master.
REDHAT Certified Linux System Administrator.
Microsoft Certified AI Practitioner.
OBJECTIVE
To leverage my Around 6 years of hands-on experience as a Java Full Stack Developer in building scalable, high-performance applications. I am driven by a passion for solving complex problems, collaborating effectively with cross-functional teams, and continuously enhancing my skills with the latest technologies and best practices.
PROFESSIONAL SUMMARY
Around 6 years of experience in the IT industry, covering Java 17/J2EE enterprise web application development, maintenance, and support across the full SDLC. This includes requirements analysis, design, implementation, reviews, unit testing, integration testing, and production deployments. Proficient in Terraform scripting for Infrastructure as Code.
Experienced Full Stack Developer with hands-on knowledge of Machine Learning techniques including NLP and TensorFlow for building intelligent data-driven applications.
Proficient in C++ for system-level programming and performance-critical applications, with experience in implementing core data structures, memory management, and multi-threading.
Integrated TypeScript into Node.js backend services, leveraging interfaces and generics to enforce consistent API contracts and enhance developer productivity.
Proven ability to collaborate with cross-functional teams in Agile/Scrum environments to ensure quality delivery of software in high-stakes, regulated production systems. Highly experienced in using Spring Boot for quick development of Microservices and building cloud-based microservice applications with minimal configuration.
Hands-on experience with Build & Deployment phases and using Continuous Integration (CI/CD) tools such as GoCD, along with monitoring tools like New Relic and Dynatrace
Experience working with Azure App Services, deploying and managing web apps, implementing serverless computing solutions, and knowledge of Microsoft Azure SQL Databases for both relational and non-relational data.
Proficient in using Kubernetes for horizontal scaling and load balancing of applications.
Designed and developed front-end screens using Angular, HTML, CSS, JavaScript, Redux, React, jQuery, Bootstrap, and Spring Boot. Strong experience with SQL Databases such as MSSQL Server, Postgres, Sybase, and Oracle.
Developed and designed SOAP and RESTful web services using WSDL, SOAP, JAX WS, JAX-RS, CXF, AXIS, JERSEY, REST Template, and SOAP UI.
Web Technologies: HTML5/HTML, CSS3/CSS, Bootstrap3/4, Kotlin, JavaScript, Node.js, jQuery, React.js, Angular 2/4/6/7, TypeScript, Ajax, JSON.
AWS: S3, EC2, ECS, Lambda, SNS, SQS, EMR, VPC, IAM, Cloud watch, Redshift, API
AZURE: Azure (AKS, App Services, Functions, API Management, Cosmos DB, Service Bus, Key Vault, Front Door, Azure Monitor, Application Gateway, Blob Storage, Logic Apps, Event Hub, DevOps Pipelines)
Cloud Technologies: AWS, Azure, GCP(Google Cloud)
Programming Technologies: C++, Java 8/11, Core Java/J2EE (Servlet, JDBC), Python, Golang, Kotlin, JavaScript, TypeScript, SQL
Databases: SQL, NOSQL, Snowflake, MySQL, Postgres, MongoDB, Oracle, Cassandra, Redis.
OperatingSystems: Windows, Linux and Unix,MacOs.
Tools/ IDEs’: Jira, Jenkins, Docker, Kubernetes, Visual Studio Code, Eclipse, IntelliJ, ELK.
Version Controls: Git, GitHub,Bitbucket, Cloudbees, Jenkins, Sonar.
Monitoring: Datadog, Databricks, Grafana, Prometheus, New Relic, Dynatrace.
EDUCATION
Masters in Computer Science (Rivier University, 2024).
Bachelor’s in Computer Science (Dr. MGR Educational And Research Institute And University, 2021)
TECHNICAL SKILLS
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