Narayan G Maharjan

Data Engineer II

CBTS

Jan 2022 - Current (4 years 6 months)

Developed and optimized ETL pipelines using AWS Glue, S3, Athena, and Hadoop. Built a data lake application leveraging AWS S3, Athena, and Hadoop, using Golang and Java. Researched and developed data lake and lakehouse solutions using Athena, LakeFormation, Hadoop, and Spark. Automated data engineering tasks and infrastructure deployment using DevOps principles. Collaborated with data scientists and ML engineers to integrate ML models into the data pipeline, enabling real-time insights and predictions. Implemented data quality checks and validation mechanisms to maintain data accuracy and integrity. Additionally, while all data engineering tasks were primarily conducted on AWS, I have experience with Microsoft Azure, utilizing tools such as

Solution Architect

CBTS

Jan 2019 - Jan 2022 (3 years 1 month)

Designed and implemented data solutions on the Predix platform using AWS cloud services. Led the development of a data lake application using AWS S3, Athena, and Hadoop. Architected robust and scalable data pipelines on AWS, leveraging services like AWS Glue, AWS EMR, AWS Lambda, and AWS Step Functions. Proficiency in cloud-native technologies, such as containers (Docker, Kubernetes), serverless computing, and microservices architecture. Knowledge of ML and AI concepts, and experience with ML frameworks (e.g., TensorFlow, PyTorch) and ML platforms (e.g., SageMaker). Additionally, utilized Git for version control in collaborative projects, ensuring efficient code management and team collaboration. Developed memory-efficient applications for

Application Developer

CBTS

Jan 2016 - Jan 2019 (3 years 1 month)

Developed applications on the Predix platform using AWS cloud services and Spring Boot. Integrated IoT devices with cloud platforms (AWS IoT Core) to enable remote monitoring, control, and data analytics. Developed robust and scalable web applications using the Angular framework, focusing on component-based architecture, reactive programming, and efficient data binding. Integrated frontend applications with backend services (REST APIs, GraphQL APIs) to fetch and display data and handle user interactions. Experience with DevOps practices, including CI/CD pipelines, infrastructure as code, and containerization. Additionally, I gained exposure to various programming languages, including Go and Python, and utilized MySQL and DynamoDB within AWS

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Full Stack Java Developer

Objectwheel Inc.

Jan 2014 - Jan 2016 (2 years 1 month)

Developed applications using Java and JavaFX, integrating with CouchDB and MQTT, demonstrating experience with data storage and messaging systems. Collaborated with DevOps and senior engineers on complex tasks, gaining experience in the software development lifecycle and teamwork. Additionally, utilized Git for version control throughout the development process, effectively managing code across development, staging, and production environments within a CI/CD pipeline, which enhanced collaboration and streamlined deployment.

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JavaFX Developer

Anahata Technologies Pty Ltd

Jan 2013 - Jan 2014 (1 year 1 month)

Developed JavaEE applications with a JavaFX frontend, utilizing JMS for server communication and gaining experience with message queues and distributed systems. Worked in an agile environment, demonstrating adaptability and collaboration skills valuable in data engineering teams. Additionally, leveraged SQL extensively, primarily using MySQL and PostgreSQL as the main databases for both desktop and web applications. Explored NoSQL solutions, including DocumentDB from AWS and Couchbase, to enhance data management capabilities. Consistently utilized Git for version control, ensuring efficient code commits and facilitating a robust CI/CD pipeline throughout the development process.

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Full Stack Developer

Himalayan Glacier Trekking Pvt Ltd.

Jan 2010 - Jan 2013 (3 years 1 month)

Developed and optimized code for a lead management system using PHP CodeIgniter, demonstrating skills in database management and performance optimization. Started work on Dockerizing the website, gaining early exposure to containerization technologies. As a freelancer, deployed video conferencing applications (BigBluebutton, Jitsi) on AWS, showcasing experience with cloud infrastructure and deployment. Worked on OpenCV projects for face detection and profile management, demonstrating skills in data processing and algorithm implementation. Developed a Real Estate Broker's ERP application using the Quarkus framework, gaining experience with API development and database design. Additionally, utilized Git for version control throughout the deve

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Solution Architect Associate

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AWS Data Engineer

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AWS Developer Associate

Narayan G Maharjan

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