Sai Sita Ram Vaddavalli

Software Engineer

India3 yrs 11 mos experience

Key Highlights

Proven ability to optimize high-traffic APIs.
Strong teamwork and technical proficiency in fintech.
Passionate about impactful software solutions.

Stackforce AI infers this person is a Fintech Backend Engineer with expertise in microservices and performance optimization.

Contact

Skills

Core Skills

MicroservicesRedisJavaDocker

Other Skills

Amazon Web Services (AWS)C (Programming Language)C++Cascading Style Sheets (CSS)Data Structures and AlgorithmsDatabase Management System (DBMS)DebuggingGitGrafanaHTML5JUnitJavaScriptK6Load TestingMySQL

About

A 2.5+ year experienced software engineer with a Bachelor’s degree in Computer Science engineering from NIT Durgapur having hands on experience with C,C++,php,Java,Springboot with keen interest in problem-solving, software design and architecture, optimizing systems to meet complex challenges. Passionate about working on impactful products with a global reach, and committed to delivering high-quality software that drives success and growth. Proven ability to take ownership and collaborate with cross-functional teams and leverage technical expertise to enhance user experience and achieve strategic objectives.

Experience

3 yrs 11 mos

Total Experience

2 yrs 8 mos

Average Tenure

1 yr 3 mos

Current Experience

Goldman sachs

Associate

Mar 2025 – Present · 1 yr 3 mos · Hyderabad, Telangana, India · On-site

Payu

3 roles

Software Engineer

Jun 2024 – Mar 2025 · 9 mos · Bengaluru, Karnataka, India · Hybrid

Implemented Redis Caching for a high traffic critical P0 API by solving blockers and bottlenecks which helped in reducing DB hits by 55% and improving latency for 25M+ daily hits.
Implemented Redis Session Management across the microservice for top 10 Redis keys, reducing Direct Redis Get calls by 35% leading to improved redis CPU performance and stability during peak traffic.
Identified underperforming API for one big merchant that was causing system instability due to slow queries and excessive CPU and memory consumption from large result sets, and optimized the API logic to achieve response times within milliseconds and improved system performance.
Took full ownership of a critical P0 microservice, optimizing it to reduce invalid traffic and conducting extensive load tests during the pre-sale season to identify and resolve performance bottlenecks.

RedisMicroservicesLoad TestingDebuggingAmazon Web Services (AWS)

Associate Software Engineer

Jul 2022 – Jun 2024 · 1 yr 11 mos · Bengaluru, Karnataka, India · Hybrid

Key contributor in the OfferEngine team within corePayments, leading end-to-end development of numerous offer features demonstrating strong teamwork and technical proficiency
Boosted Offers SRT by 5% through meticulous analysis of various transactions using Grafana dashboards and implemented pre-sale season alerts for offers, enhancing efficiency and performance.
Worked on industry first DownPayment + Emi feature from payments backend which helped in increasing Affordability GMV.
Built EmiCalculator feature facilitating seamless calculation of EMI amounts at both transaction and cart levels for diverse tenures, incorporating factors such as offer discounts, convenience fees, gst etc.

GrafanaJavaSpring BootMicroservices

Software Engineer Intern

Jan 2022 – Jun 2022 · 5 mos · Bengaluru, Karnataka, India · Hybrid

Worked on Dockerization of the Payu Application, taking ownership of the project from understanding local setup to creating a streamlined Docker environment in local. Resulted in a drastic reduction of
new developer onboarding time to 1-2 hours from x days.

Docker