Arjun Reddy
Senior Software Engineer · Backend and distributed systems
- github.com/arjunreddy-dev
- linkedin.com/in/arjun-reddy-dev
- arjunreddy.dev
- arjun.reddy@example.com
- Hyderabad, Telangana

Profile
Backend engineer with 6 years of building payments and logistics systems in Go and Java. I design services that stay up through festive sale peaks, write the runbooks that let teams sleep, and mentor junior engineers. Cut the p99 latency of an order service from 820 ms to 140 ms.
Skills
Languages
- Go
- Java
- TypeScript
- Python
- SQL
Backend
- gRPC
- Kafka
- PostgreSQL
- Redis
- REST
Cloud
- AWS
- Kubernetes
- Terraform
- Docker
Practice
- System design
- Observability
- Code review
- On-call
Experience
Senior Software Engineer
Mar 2022 – Present
Tarang LogisticsHyderabad
- Rebuilt the order allocation service in Go; p99 latency fell from 820 ms to 140 ms at 9,000 orders a minute.
- Led the move from a monolith to 14 services on Kubernetes with no downtime through the Diwali sale peak.
- Set up tracing with OpenTelemetry and Grafana; time to resolve incidents fell from 3 hours to 40 minutes.
Software Engineer
Jul 2019 – Feb 2022
PayKaro PaymentsBengaluru
- Built the UPI collect and refund pipeline handling 4 million transactions a day.
- Wrote the settlement reconciliation job that matches bank files; manual effort fell by 85%.
Projects
kafka-lag-lite
github.com/arjunreddy-dev/kafka-lag-lite
A small Go exporter for Kafka consumer lag with Prometheus metrics. 1,200 stars on GitHub.
- Go
- Prometheus
upi-qr
github.com/arjunreddy-dev/upi-qr
Open-source library that makes UPI payment QR codes, used by 300+ developers.
- TypeScript
Education
B.Tech, Computer Science and Engineering
Aug 2015 – May 2019
JNTU Hyderabad
Certifications
- AWS Certified Solutions Architect, Associate
Languages
Telugu (Native), English (Fluent), Hindi (Professional)
