shipping ad-auction infra @ Media.net
Mayank Padia.
I build distributed systems and high-concurrency backends - services that take millions of requests a day and don't flinch. Competitive programmer at heart (Codeforces Candidate Master, peak 2028), happiest on a mountain road.
$ submit career.java --lang=java17
compiling… running on production traffic…
✓ Accepted
- calls/day
- 5M+
- downtime
- 0
- GMV (projected)
- +$500M
- storage cost
- -30%
$
experience
Media.netnow
Software Developer II · Bengaluru
- ›Redesigned a core selection-criteria table and its services for region-based configuration - GCS storage cost down 30%, ClickHouse CPU down 20%, serving-layer memory down 25% and CPU down 15%.
- ›Built a model-driven inference service that predicts optimal tuple size, delivering a 3% revenue upside for the target cohort over the historical-data approach.
- Java
- ClickHouse
- GCS
- PostgreSQL
- Kubeflow
Observe.AI
Software Development Engineer II · Bengaluru
- ›Re-architected the Kronos microservice to reliably process 5M+ calls a day with zero downtime.
- ›Redesigned the data-backfill pipeline with leaky-bucket rate limiting, adaptive prioritization and per-account throughput controls.
- ›Shipped a stage-aware reconciliation engine - atomic MongoDB claims, stage-wise retry limits, automatic recovery of stuck jobs.
- Java
- Spring Boot
- SQS
- MongoDB
- Kafka
- Kubernetes
Walmart Global Tech
Software Engineer 3 · Bengaluru
- ›Built and ran a highly reliable order-management platform for Walmart's US e-commerce.
- ›Led initiatives driving a projected $500M increase in GMV.
- ›Migrated services from Java 8 to Java 17; mentored an intern and a new SE II.
- Java
- Spring
- Kafka
- Kubernetes
- Cosmos DB
Instabase
Software Engineer Intern · Bengaluru
- ›Wrote DOCX/Excel parsers that extract entities to JSON - adopted by Goldman Sachs.
- ›Wired the test runner into Jenkins and refactored 70% of the golden tests.
- Python
- Kubernetes
- Redis
Amazon
Software Engineer Intern · Bengaluru
- ›Designed an algorithm for optimal camera placement in Amazon Go stores, plus an analyzer to grade solutions.
- Python
Education
Birla Institute of Technology, Mesra
B.E., Computer Science & Engineering
Class of 2021 · CGPA 8.29
Best finishes
Codeforces Round #557
15th global · 3rd India
Codeforces Round #658
20th global · 4th India
HackerEarth Circuits '20
Rank 99 of 10,000+
ICPC Asia Amritapuri
Regionalist, twice
HackerEarth & CodeChef
Problem setter, 2019-21
Observe.AI O2O Awards
Fast Learner · Clean Design · Fast Implementer
selected work
all projects
livewatchlog
Track what you watch, see what everyone is watching: personal watch logs, public profiles and reviews over a live TMDB catalog, refreshed every 6 hours by GitHub Actions.
- Next.js
- Prisma
- Postgres
- Clerk
- TMDB
watchlog.mynk322.in
livebacktrack
NSE trading-strategy backtester benchmarked against the Nifty 50: seven strategies, parameter sweeps, walk-forward validation to expose overfitting, and portfolio mode.
- TypeScript
- Next.js
- Charts
backtrack-trade.vercel.app
$ run online-judge
✓ Java · Spring · MySQL · S3 · SQS
2021-22Online Judge
Led a 3-person team building a code-evaluation engine: multi-language submissions, concurrent judging, contest hosting and automated rank-lists. Dockerized, with CI/CD.
- Java
- Spring
- MySQL
- S3
- SQS
off the clock
more about me// open for interesting problems
Got a gnarly backend problem? Let's talk.
Distributed systems, throughput, reliability, career questions, or a contest problem that's been bugging you - email me, or book a 1:1 on Topmate.