Sai Krishna Attaluri

Software Engineer

India8 yrs 6 mos experience

Highly Stable

Key Highlights

Designed scalable applications for millions of users.
Led successful migration to optimize performance and reliability.
Expert in event-driven and data-intensive architectures.

Stackforce AI infers this person is a Backend-heavy Fullstack Engineer in Telecommunications with expertise in scalable application architecture.

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Skills

Core Skills

JavaSqlCassandraPythonEtl Automation

Other Skills

Adobe IllustratorAdobe PhotoshopAlgorithmsAmazon Web Services (AWS)Android DevelopmentAndroid StudioApplied Machine LearningAutomation ToolsBash ScriptingC (Programming Language)C++Cascading Style Sheets (CSS)Computer ArchitectureComputer NetworkingDart

About

As a versatile software engineer, I specialize in architecting and optimizing scalable, high-availability applications across distributed systems and cloud platforms. With hands-on expertise in Java, Scala, Elixir, Python, Spring Boot, SQL, and AWS, I have delivered projects that improved performance, reliability, and cost efficiency for millions of users. I thrive on solving complex system challenges, leveraging event-driven and data-intensive architectures, and continuously exploring innovative technologies to drive meaningful business impact.

Experience

8 yrs 6 mos

Total Experience

3 yrs 5 mos

Average Tenure

1 yr 8 mos

Current Experience

Tandems

Software Development Engineer II

Oct 2024 – Present · 1 yr 8 mos · India · Remote

Airtel digital

Software Engineer

Jul 2021 – Oct 2024 · 3 yrs 3 mos · Gurugram, Haryana, India · Hybrid

1. Single-handedly designed and developed an in-house utility for acquisition, recharges, payments, and grievance flows across multiple Airtel businesses on WhatsApp Business via a robust suite of applications serving more than 35 million active users.
2. Led the migration of a MongoDB-based B2B application from legacy architecture to Oracle SQL DB, addressing caching and high-availability issues. Optimized UI and service layer, resulting in a remarkable 93 percent decrease in portal issue tickets post-implementation.
3. Optimized messaging utility for SMS and WhatsApp by implementing a multi-threaded approach, achieving daily delivery to millions with a failure rate below 0.1 percent. Architected a multi-node system for enhanced performance.
4. Contributed to the management and enhancements to the Big Data pipelines handling the entire Airtel Sri Lanka traffic using technologies like Cassandra, GoldenGate and Spark Streaming.
5. Worked with Bash Scripting, SQL, Java, and Jenkins Pipelines to manage CDR Streams, Report Delivery and databases. Also, incorporated Telegram APIs for seamless operations.
6. Contributed to a Python-based script for intelligent alerting, leveraging predefined metrics to detect and notify abnormal behaviors in service clusters, with a focus on peak user engagement seasons.
7. As the owner of the Message Delivery Service, spearheaded the design and development of an upgraded report delivery application to maximize configurability by implementing modular programming
8. Played an important part in optimizing the Report Delivery and Access Management portal within the DTH vertical, addressing pre-existing bugs and enhancing the overall user experience of the platform.
9. Contributed to an ETL Automation initiative to validate, process, and deliver crucial reports by aggregating and formatting data from multiple sources, encompassing over 500k records, for an entire state.