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
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