Aashick John — Data Engineer

PySpark| AWS Glue | S3 | PostgreSQL | Data Engineering | Python Developer | Django | Flask | SQLalchemy | Database (MySQL) Developer | Adobe XD UI/UX Design | Docker Databases: MySQL, PostgreSQL, Mongo DB. Programming Languages: Python. Big Data Technologies: Apache Spark, Kafka. Cloud Platforms: AWS. Tools: Docker, Kubernetes, Minikube, AWS Glue, PySpark. Frameworks: Django, Flask. Data Visualization: Looker Studio, Power BI Experienced Data Engineer and Backend Developer with over 9 years of expertise in Python, MySQL, and API integration across multiple industries. Specialized in data migration and backend development, currently leading key initiatives at LTIMindtree to enhance data processing efficiency and ensure data integrity. Proven ability to design and implement ETL processes using AWS Glue, successfully migrating data from mainframe systems to PostgreSQL, improving efficiency and reducing delivery timelines. Recognized for optimizing workflows, achieving a 50% reduction in processing time and a 70% increase in overall data processing efficiency. Strong leadership and problem-solving skills, mentoring teams through complex technical challenges and fostering innovation. Expertise in cloud-based data solutions, data pipeline architectures, and rigorous validation processes that improve data accuracy and earn stakeholder commendations. Continuously seeking opportunities to deepen expertise in data engineering and backend development, while driving improvements through automated testing protocols and comprehensive documentation frameworks.

Stackforce AI infers this person is a Data Engineering expert with strong backend development capabilities in SaaS environments.

Location: Bengaluru, Karnataka, India

Experience: 10 yrs 3 mos

Skills

Data Engineering
Etl Processes
Backend Development
Api Integration
Automation Testing
Microservices Architecture
Api Development
Database Management

Career Highlights

Over 9 years of experience in data engineering and backend development.
Successfully migrated data from mainframe systems to PostgreSQL.
Achieved a 70% increase in data processing efficiency.

Work Experience

LTIMindtree

Senior Data Engineer (3 yrs)

Cisco

Lead Software Engineer (4 mos)

HCL Technologies

Lead Software Engineer (1 yr 4 mos)

Intel Corporation (Contingent Employee )

Senior Software Engineer (1 yr 2 mos)

Tecknodreams Software Consulting Pvt Ltd

Senior Software Engineer (Python | Django) (4 yrs 5 mos)

Education

Bachelor of Engineering (B.E.) Electronics and communication engineering at Muthammal engineering college (Anna University )

Aashick John

Data Engineer

Bengaluru, Karnataka, India10 yrs 3 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Over 9 years of experience in data engineering and backend development.
Successfully migrated data from mainframe systems to PostgreSQL.
Achieved a 70% increase in data processing efficiency.

Stackforce AI infers this person is a Data Engineering expert with strong backend development capabilities in SaaS environments.

Contact

Skills

Core Skills

Data EngineeringEtl ProcessesBackend DevelopmentApi IntegrationAutomation TestingMicroservices ArchitectureApi DevelopmentDatabase Management

Other Skills

AWS GluePostgreSQLPySparkPythonDockerKubernetesAgile MethodologiesSeleniumFlaskCross-functional CollaborationsDjangoREST APIsDatabase DevelopmentMicrosoft Power BILooker (Software)

About

Experience

10 yrs 3 mos

Total Experience

2 yrs

Average Tenure

3 yrs

Current Experience

Ltimindtree

Senior Data Engineer

Jun 2023 – Present · 3 yrs · Bengaluru, Karnataka, India · Hybrid

Responsibilities:
Spearheading the design and execution of innovative solutions for converting mainframe data into structured load files, ensuring compliance with copybook structures and maintaining data integrity throughout the process.
Crafting sophisticated Python scripts utilizing PySpark to facilitate the efficient processing of extensive datasets, ensuring accurate translation of complex mainframe data formats into usable structures.
Leveraging AWS Glue to architect and implement robust ETL jobs, effectively extracting, transforming, and loading data from mainframe systems into PostgreSQL, thereby significantly enhancing project efficiency.
Developing and optimizing Python scripts for the seamless loading of transformed data into PostgreSQL tables, incorporating performance tuning strategies to maximize data loading speeds.
Demonstrating proficiency in containerization technologies such as Docker and orchestration tools like Kubernetes, contributing to the deployment of scalable applications.
Implementing advanced data validation techniques during the migration process, which improved data accuracy by 70%, ensuring high-quality deliverables.
Collaborating with stakeholders to gather requirements and provide insights, leading to the successful alignment of project goals with business objectives.

AWS GluePostgreSQLPySparkPythonDockerKubernetes+2

Cisco

Lead Software Engineer

Sep 2022 – Jan 2023 · 4 mos · Bengaluru, Karnataka, India

Developed backend APIs for Network Service Orchestration (NSO) products using Python.
Led issue resolution and bug fixes for the NSO product, ensuring seamless functionality.
Drove the API development process to meet customer needs and technical requirements.
Conducted proof-of-concept analysis for client-specific customization of the NSO product.
Collaborated with cross-functional teams to ensure successful product delivery.
Demonstrated proficiency in handling Python-based backend architecture.
Streamlined processes to improve product efficiency and resolved technical challenges quickly.

PythonAPI DevelopmentAgile MethodologiesBackend DevelopmentAPI Integration

Hcl technologies

Lead Software Engineer

May 2021 – Sep 2022 · 1 yr 4 mos · India

Led the development of UI Automation API using Selenium and Python.
Managed and oversaw the issue resolution process for product bugs and performance issues.
Developed and validated UI Automation API code to meet customer requirements.
Spearheaded a team to deliver high-quality automation testing solutions.
Designed and implemented microservices architecture using Flask for backend services.
Collaborated with customer stakeholders to ensure timely and accurate product deliveries.
Oversaw the integration of test frameworks to improve automation efficiency.

SeleniumFlaskCross-functional CollaborationsAutomation TestingMicroservices Architecture

Intel corporation (contingent employee )

Senior Software Engineer

Mar 2020 – May 2021 · 1 yr 2 mos · Bengaluru, Karnataka, India

Developed product back-end using Python (Django) and enhanced features.
Utilized Django ORM for database design, development, and implementation.
Created and managed REST APIs using the Django framework.
Led unit testing and customer issue resolution, including bug fixes.
Conducted UI automation testing with Selenium and generated reports using Allure.
Designed Selenium automation framework for streamlined UI testing.
Performed Python code vulnerability scans and implemented fixes.
Designed a user-friendly product interface using Adobe XD, earning client appreciation.

DjangoREST APIsSeleniumBackend DevelopmentAPI Development

Tecknodreams software consulting pvt ltd

Senior Software Engineer (Python | Django)

Oct 2015 – Mar 2020 · 4 yrs 5 mos · Bengaluru Area, India

Engineered and executed business logic for ITAM & BSM modules, ensuring seamless functionality.
Oversaw all phases of database development, from initial assessment through QA and support, ensuring high-quality deliverables.
Designed and implemented a batch script utility to successfully migrate MySQL from version 5.5 to 5.7 with minimal downtime.
Developed REST API endpoints and integrated Django ORM for the Linux Agent product, streamlining data access and management.
Transitioned the Linux Agent from SOAP to RESTful API, enhancing system functionality and scalability.
Built an executable agent for Mac OS and Linux, automating data collection from target machines.
Aggregated and processed data stored in the SQLITE database, while managing TCP Server/Client communication.
Led comprehensive analysis, bug fixes, and system-wide improvements, increasing operational efficiency.

DjangoREST APIsDatabase DevelopmentBackend DevelopmentDatabase Management