Software Engineer
Apple Current
May 2026 – Present
01 / Experience
Professional experience.
Software Engineer III
Walmart Global Tech
Started July 2022
Previous role · Bangalore
- Led a company-wide initiative from the India Center’s Eligibility/Restriction team, owning estimation, development, testing, pilot support, and launch.
- Developed more than 20 Spark jobs in two months for migration, validation, and optimization on GCP Dataproc, working across over 10 billion records and 20 TB of data.
- Migrated site-facing APIs from Spring Boot to Micronaut, reducing CPU use by 40% and saving $1.25 million annually.
- Optimized application code and database behavior to reduce event generation by 55%.
- Built a configurable performance and A/B testing application reaching 300 operations per second per pod with one core and 2 GB of memory.
- Created a Spark Java library for Cassandra, Cosmos, Kafka, and Elasticsearch integrations, saving an estimated 10 developer hours per week on future Spark jobs.
- Automated release notes across ServiceNow, Confluence, and GitHub, reducing time to deployment readiness by approximately 30%.
Backend Engineer Intern
ThoughtSutra
Mar 2021 – Aug 2021
Remote
- Built the backend of a learning management platform from the ground up, supporting over 1,000 concurrent users and a 50% faster initial launch.
- Explored serverless architecture with AWS Lambda and contributed to the platform’s technical architecture and development roadmap.
02 / Selected projects
Selected projects.
Vaccination slot availability notifier
Built a backend application that checked CoWIN’s public APIs for vaccination slots and sent email alerts. Scheduled periodic polling to identify newly available appointments during peak demand.
A personal home on the web
A portfolio, family pages, and an admin interface in one application, with host-based routing, a protected contact form, and a PostgreSQL backend.
View source03 / Technical skills
Technical skills.
- Languages
- Java, C++, JavaScript, SQL
- Backend & data
- Spring Boot, Micronaut, Node.js, Express, Spark, Kafka, RxJava
- Cloud & storage
- GCP (BigQuery, Dataproc), AWS (EC2, S3, DynamoDB, Aurora), Azure Cosmos DB, Cassandra
- Delivery & observability
- Kubernetes, Git, CI/CD, Prometheus, Grafana, Splunk
04 / Foundations & beyond
Education & recognition.
Indian Institute of Technology, Guwahati
Bachelor of Technology · Engineering Physics
July 2018 – June 2022 · CGPA 7.74
- Received Walmart’s Bravo Award for learning quickly, analyzing complex issues, and identifying patterns and root causes.
- Served as Hostel Welfare Secretary and a core team member of the institute’s cultural festival.
- Represented IIT Guwahati on the Inter IIT hockey team.