Piyush Bhuwalka

Senior Software Engineer

Bengaluru, Karnataka, India5 yrs 9 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Reduced API latency from 1.2s to 47ms.
Led backend architecture for 100K+ deployments daily.
Maintained 99.95% uptime during peak sale events.

Stackforce AI infers this person is a Backend-focused engineer with expertise in SaaS and Fintech industries.

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Skills

Core Skills

Backend DevelopmentSoftware ArchitectureApi DevelopmentDistributed Systems

Other Skills

JavaSpring BootPostgreSQLKubernetesRedisMongoDBgRPCKafkaSpringMySQLAWSJavaScriptPythonLinuxSystems Design

About

I make slow systems fast. Receipts: API latency 1.2s → 47ms. Docker builds 14min → 22s. CI pipelines 45min → 4:12. Sr. SWE 2 at Harness, leading backend architecture for CD pipeline services handling 100K+deployments/day. Previously: Flipkart payments (10M+ daily transactions), Samsung R&D. IIT ISM '20 | ACM-ICPC Regionalist '18 I write about the exact changes that made slow systems fast — the specific config, the exact query, the real numbers.

Experience

5 yrs 9 mos

Total Experience

1 yr 11 mos

Average Tenure

4 yrs 3 mos

Current Experience

Harness

3 roles

Senior Software Engineer 2

Promoted

Apr 2025 – Present · 1 yr 1 mo

→ Leading backend architecture for CD pipeline service handling 100K+ deployments/day
→ Reduced API latency from 1.2s to 47ms through query optimization and composite indexing
→ Designed and implemented circuit breaker patterns using Resilience4j, reducing cascade failures by 70%
→ Built async I/O migration (WebClient over RestTemplate), improving throughput by 3x
→ On-call for critical infrastructure serving 500+ enterprise customers
→ Tech: Java, Spring Boot, PostgreSQL, Kubernetes, Redis

JavaSpring BootPostgreSQLKubernetesRedisBackend Development+1

Senior Software Engineer

May 2023 – Apr 2025 · 1 yr 11 mos

→ Owned deployment orchestration service processing 50K+ daily pipeline executions
→ Implemented bulkhead pattern with isolated thread pools, eliminating thread pool exhaustion incidents
→ Reduced database connection leaks by enforcing try-with-resources and connection pool monitoring
→ Optimized N+1 queries using eager loading, reducing DB round trips from 100+ to 1
→ Tech: Java, Spring Boot, PostgreSQL, MongoDB, gRPC

JavaSpring BootPostgreSQLMongoDBgRPCBackend Development+1

Software Engineer II

Feb 2022 – May 2023 · 1 yr 3 mos

→ Built pipeline execution engine handling 10K+ concurrent workflows
→ Implemented retry mechanisms with exponential backoff, reducing downstream service overload by 60%
→ Added connection pool monitoring and alerting, catching issues before production impact
→ Improved query performance through EXPLAIN ANALYZE, reducing P99 latency by 80%
→ Tech: Java, Spring Boot, PostgreSQL, Kafka

JavaSpring BootPostgreSQLKafkaBackend DevelopmentSoftware Architecture

Flipkart

Software Engineer

Jan 2021 – Feb 2022 · 1 yr 1 mo · Bengaluru, Karnataka, India

→ Payments team handling 10M+ daily transactions during peak sale events
→ Built refund reconciliation service processing ₹50Cr+ monthly
→ Reduced payment API latency by 40% through database query optimization
→ Maintained 99.95% uptime for critical payment infrastructure during Big Billion Days
→ On-call for payment gateway serving 1M+ concurrent users during flash sales
→ Tech: Java, Spring, MySQL, Kafka, Redis

JavaSpringMySQLKafkaRedisAPI Development+1