Databricks
Apoorva Singh
System Integration Specialist
Noida
Summary
Software Developer with expertise in MEAN and MERN stacks, React and Angular, and RESTful APIs. Proficient in Python and Databricks for large-scale data processing and validation. Experienced in delivering secure, enterprise-grade healthcare applications with RBAC and SSO, and a solid foundation in AI/ML principles for building reliable, data-driven solutions.
Overview
7
7
years of professional experience
6
6
Certifications
17
17
Languages
Work History
System Integration Specialist
NTT Data
Noida
06.2022 - Current
- Developed secure, high-performance web applications for large-scale U.S. healthcare enterprises using React and Angular, integrating API-driven architectures and role-based access control (RBAC) to support complex, data-intensive workflows.
- Engineered enterprise Angular applications with fine-grained authorization, workflow orchestration, and microservice integrations, enabling seamless consumption of analytics and machine learning insights in regulated healthcare environments.
- Utilized Databricks with Apache Spark (PySpark) to build end-to-end data pipelines following the Medallion Architecture (Bronze, Silver, Gold layers), performing large-scale data ingestion, cleansing, transformation, and aggregation.
- Created and managed Databricks Jobs, implementing job orchestration, scheduling, dependency management, and failure handling to automate Silver and Gold layer processing for analytics and AI/ML consumption.
- Processed, validated, and optimized high-volume datasets using Spark-based workflows, enabling reliable feature generation and data preparation for machine learning training and inference pipelines.
- Applied AI/ML concepts, including supervised and unsupervised learning, data preprocessing, feature engineering, and basic model evaluation, leveraging Python and ML libraries to support predictive and exploratory analytics.
- Designed and developed Data Intellect, a scalable data validation platform supporting database-to-database, file-to-file, and file-to-database comparisons, producing detailed mismatch reports to ensure high-quality data for BI and AI/ML workloads.
- Built the GTE Validation Tool to automate data integrity checks, schema mapping, and large-scale comparison workflows across heterogeneous data sources, improving data reliability across distributed data platforms.
Software Developer
ValueCoders
Gurugram
07.2019 - 05.2022
- Designed and developed responsive, accessible full-stack web applications using the MERN stack, delivering optimized user experiences across desktop and mobile platforms.
- Built and maintained Node.js and MongoDB–based backends, including the development of a full-featured e-commerce platform.
- Integrated Dwolla and Stripe payment gateways, ensuring secure and compliant transaction processing.
- Delivered solutions across multiple industry domains, including e-commerce, education, event management, and applications leveraging third-party API integrations.
- Refactored and modernized legacy codebases to align with current development standards, improving maintainability, performance, and cost efficiency.
- Collaborated closely with project managers and stakeholders to define requirements, establish realistic development milestones, and deliver pre-release software on schedule.
- Converted UI/UX designs and conceptual ideas into scalable development frameworks, including implementations related to blockchain and NFT-based applications.
- Led and mentored development teams, resolving technical challenges, enforcing best practices, and conducting code reviews.
- Managed version control and collaboration workflows using GitHub and open-source repositories.
Software Development Senior Associate
NTT Data
Noida
01.2019 - 05.2019
- Completed formal training and certification as a Java Developer.
- Developed a Course Registration System as a hands-on project using Java Servlets, JSP, JavaScript, and JDBC for database connectivity.
- Implemented dynamic web pages and backend logic, ensuring reliable data handling and user interaction.
- Conducted research and analysis by gathering information from multiple sources and presenting structured findings.
- Demonstrated strong collaboration, adaptability, and a proactive approach in supporting team objectives.
Education
Bachelor of Technology - Computer Science
Amity School of Engineering
Noida07.2018
Senior Secondary School -
Assisi Convent School
Noida07.2014
High School - Science
Assisi Convent School
Noida07.2012
Skills
API integration
API Development
Restful APIs
Software development
Data Migration
Data Integration
ETL Processes
Big Data Processing
Software
Apache Hadoop
Apache Spark
GitHub
GitLab
Bitbucket
Visual Studio Code
Postman
MongoDB Compass
SQL Server Management Studio (SSMS)
Accomplishments
- Earned Client Appreciation and Organizational Recognition at NTT DATA, including the Best Developer Award (Q3 FY 2022–23) for exceptional technical contribution and client impact.
- Received Client Appreciation at ValueCoders for delivering high-quality solutions and exceeding project expectations.
- Presented a research paper titled “Emotion Recognition Through Wireless Signal” at the IEEE International Conference on Signal Processing & Integrated Networks (SPIN 2017).
- Awarded Best Trainee among a cohort of 40 students for outstanding technical performance and learning excellence.
- Recipient of a Merit-Based Scholarship at Amity University, graduating with a 9.0 CGPA.
Certification
Databricks Academy Accreditation: Generative AI Fundamentals
Languages
English
Hindi
Timeline
System Integration Specialist
NTT Data
06.2022 - Current
Software Developer
ValueCoders
07.2019 - 05.2022
Software Development Senior Associate
NTT Data
01.2019 - 05.2019
Bachelor of Technology - Computer Science
Amity School of Engineering
Senior Secondary School -
Assisi Convent School
High School - Science
Assisi Convent School