Distributed Systems
10,000-job load testDistributed Job Scheduling Platform
A fault-tolerant scheduler for immediate, delayed, and cron-based execution.
Java 21Spring Boot 3KafkaRedisPostgreSQLDocker
Summer 2027 internships | Open to relocation with sponsorship
Vinay Kumar
Building reliable backend applications, integrations, and developer-facing tools.
M.Tech Computer Science student at SRM University-AP, graduating June 2028. I build and support Java/Spring Boot and Python/FastAPI applications, PostgreSQL-backed workflows, REST and SaaS integrations, and deterministic tests through micro1 and Crossing Hurdles.
Java & Spring BootPython & FastAPIREST APIs & IntegrationsWorkflow AutomationTesting & TroubleshootingDistributed Systems
Verified Evidence
Results that can be checked in code, tests, and public contributions.
Project benchmarks, algorithm practice, and merged open-source fixes—presented without inflated production claims.
10,000
Jobs Load-tested
Distributed scheduler benchmark
100
Simulated Workers
Concurrent scheduler load test
73.32s
Ranking Runtime
100,000-profile CPU-only pipeline
318
LeetCode Problems
Algorithms and data structures
2
Merged Open Source Contributions
OpenTelemetry Java and fmt
1622
Codeforces Rating
Expert rating
Featured Projects
Featured Engineering Projects
Two evidence-backed case studies covering Java backend systems and a Python ranking pipeline.
Applied Algorithms
73.32-second full runIntelligent Candidate Ranking
A deterministic Python ranking pipeline designed for a 100,000-profile challenge dataset.
PythonAlgorithmsStreaming JSONLTop-K RankingUnit TestingData Validation
Backend Systems
Testcontainers integration coverageCloudDrive
A tested Spring Boot backend for authenticated cloud file storage and sharing.
JavaSpring BootPostgreSQLAWS S3RedisElasticsearch
Open Source
OpenTelemetry and fmt contributions, framed as engineering investigations.
Merged patches in production-grade infrastructure projects, with root cause analysis and regression validation.
Apache OpenTelemetry
OpenTelemetry Java
Merged contribution
- Parser recovery fix
- Regression testing
- Cross-platform validation
C++ Formatting Library
fmt
Merged contribution
- 32-bit architecture bug
- Root cause analysis
- Cross-platform validation
Experience
Backend product engineering grounded in implementation and debugging.
Recent work emphasizes REST APIs, data models, tests, requirement clarification, and operational troubleshooting.
Sep 2026 - Present
Crossing Hurdles
AI Coding Annotator (Freelance)
Go
- Packages reproducible benchmark submissions for upload to Deccan AI.
- Covers adversarial failures, protocol invariants, security checks, and restart consistency.
May 2026 - Present
micro1
Software Engineer, Contract
Java
- Delivers backend features from clarified requirements through implementation and verification.
- Diagnoses defects using logs, database inspection, and regression checks.
Technical Writing
Short essays on systems, debugging, and backend work.
1 min read
Lessons from Working as a Software Engineer at micro1
What remote backend product engineering taught me about planning, latency, observability, and ownership.
Read2 min read
Building a Distributed Scheduler from Scratch
The architecture decisions behind a Spring Boot scheduler that can survive concurrency, retries, and worker crashes.
Read2 min read
Kafka Patterns Every Backend Engineer Should Know
Practical Kafka patterns for schedulers, routing systems, backpressure, retries, and failure isolation.
Read