SONU RAJ

Software Engineer

Bengaluru, Karnataka, India5 yrs 9 mos experience

AI EnabledHighly Stable

Key Highlights

Developed scalable backend solutions enhancing user experience.
Integrated AI technologies for optimized processes.
Expert in cloud architecture and deployment strategies.

Stackforce AI infers this person is a Backend Developer specializing in E-commerce and Ad Tech with strong data processing capabilities.

Contact

Skills

Core Skills

Backend DevelopmentApi DevelopmentSystem OptimizationMentorshipCoachingMachine LearningSoftware Development

Other Skills

JavaKotlinPythonApache FlinkResume ReviewAlgorithmsHigh-Level DesignSparkKafkaObject-Oriented Programming (OOP)OOPNeo4jSpring BootProblem SolvingBack-End Web Development

About

Experienced Backend Developer with a track record of building scalable and efficient digital solutions. Adept at designing robust APIs, optimizing database performance, and ensuring seamless server-client interactions using Java, Python & Go. My passion for innovation extends to the realm of AI and machine learning. I enjoy integrating AI technologies to elevate user experiences and optimize processes. Proficient in integrating machine learning models into backend systems for actionable insights. My expertise also spans Google Cloud Services, where I leverage a suite of tools to architect secure and scalable cloud-based solutions. From cloud deployment to containerization, I ensure top-notch performance. One of my key strengths lies in stress testing systems to ensure scalability and reliability. By subjecting applications to rigorous stress tests, I verify their ability to handle increased loads, guaranteeing a seamless user experience under high-demand scenarios. In the data realm, I excel in crafting Spark and Kafka pipelines, harnessing real-time and batch processing for insightful data-driven outcomes. This skill set enables me to design end-to-end data architectures that power informed decision-making. Furthermore, I am adept at utilizing a range of deployment tools, including Docker and Kubernetes. These tools enable me to create reproducible and scalable deployment environments, simplifying the process of deploying and managing complex applications. Let's connect and explore how my comprehensive backend and data-driven expertise can bring value to your projects.

Experience

5 yrs 9 mos

Total Experience

2 yrs 6 mos

Average Tenure

7 mos

Current Experience

Ebay

Member of Technical Staff

Nov 2025 – Present · 7 mos · Bengaluru, Karnataka, India · Hybrid

JavaKotlinBackend DevelopmentAPI Development

Zepto

Software Development Engineer II

Feb 2024 – Nov 2025 · 1 yr 9 mos · Bengaluru, Karnataka, India · Hybrid

Developed a comprehensive ads platform for PLA and display ads from the ground up.
Focused on minimizing latency for PLA ads to enhance user experience.
Optimized the schema for PLA indexing, improving overall system efficiency.

PythonApache FlinkBackend DevelopmentSystem Optimization

Preplaced

Mentor

Nov 2023 – Oct 2025 · 1 yr 11 mos · Bengaluru, Karnataka, India · Remote

Key Achievements:
1. Providing mentorship and guidance to individuals at Preplaced on various topics related to Data Structures and Algorithms (DSA), backend development, and resume building.
2. Offering personalized coaching sessions and feedback to support mentees in crafting effective resumes and enhancing their professional profiles.
3. Collaborating with other mentors and team members to create and deliver impactful mentorship programs tailored to the needs of aspiring developers and professionals seeking career advancement.

Resume ReviewAlgorithmsMentorshipCoaching

Flipkart

Software Development Engineer

Sep 2020 – Feb 2024 · 3 yrs 5 mos · Bengaluru, Karnataka, India · Hybrid

Key Achievements:
1. Developed and implemented an innovative spotlight tag, contributing to a revenue increase of approximately 1000 crores by enhancing the consumer buying experience with valuable insights and a streamlined Spark/Kafka pipeline, facilitating informed purchase decisions.
2. Spearheaded a high-impact Spotlight/Snippet project, which significantly improved user satisfaction by 20% and increased revenue per unit by 15% across search, browse, and client platforms through the delivery of enriched and valuable product data.
3. Led the optimization of backend tools, achieving a remarkable 3X to 7X scalability improvement and enhancing performance for sales events by analyzing CPU/memory metrics and addressing latency issues effectively.
4. Implemented an ML-driven content slotting system, optimizing search and browse page performance and resulting in revenue exceeding 1.5K crores.
5. Successfully migrated from MongoDB to SQL, introducing a normalized schema that reduced data size by 50% and substantially improved system responsiveness, utilizing a diverse tech stack.

High-Level DesignPythonBackend DevelopmentSystem Optimization

Logibricks technologies private limited

Software Engineer Intern

Jul 2019 – Dec 2019 · 5 mos · Pune Area, India · On-site

Key Achievements:
1. Implemented an efficient ATM management and auditing system, resulting in a 30% reduction in downtime, a 15% decrease in operational issues, and a 20% increase in customer satisfaction. Achieved through enhanced security measures and proactive issue resolution strategies.
2. Enhanced auditing performance through pagination, reducing loading times by 20% in both online and offline modes. This optimization led to improved user efficiency and productivity. Successfully launched apps on the Apple App Store, ensuring a seamless and engaging customer experience.

PythonObject-Oriented Programming (OOP)Software DevelopmentSystem Optimization