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Sonal K. Full-stack Developer

Sonal K.

  • $
  • India
  • 3 years
  • Part-time (less than 40 hrs a week)
Sonal is now available for hire Hire Sonal

Sonal Kumar is a dedicated Software Engineer and former Amazon SDE, with expertise in full-stack development, cloud technologies, and system design. With a passion for creating scalable, efficient solutions, Sonal has successfully delivered high-impact projects in diverse domains, including e-commerce, machine learning, and web applications.

During their tenure at Amazon, Sonal led critical projects like the Bazaar Your Order flow, optimizing backend systems to reduce API latency by 75% and automating data refresh processes for ML-based recommendations, achieving 100% automation. These experiences honed their ability to design robust systems and deliver results under tight deadlines.

Sonal's technical proficiency spans Java, Spring Boot, React.js, and AWS services such as Lambda, EC2, and DynamoDB. With a strong foundation in data structures, algorithms, and distributed systems, Sonal thrives in solving complex problems, mentoring peers, and driving innovation.

Passionate about lifelong learning, Sonal is constantly exploring new technologies to create impactful solutions.

Skills

Experience

Software Development Engineer

Amazon February 2022 – November 2024
  • Led the Bazaar Your Order flow, customizing cart architecture to handle 2 TPS and meeting critical launch timelines.
  • Optimized backend API performance, reducing latency by 75%, significantly improving customer retention and seller experience.
  • Automated data refresh for ML-based recommendations, eliminating manual interventions and reducing on-call responsibilities by 60%.
  • Mentored junior engineers, creating ramp-up plans and fostering skill development.

Associate Software Developer

Publicis Sapient June 2021 – February 2022
  • Developed RESTful APIs using Spring Boot and contributed to cross-platform web applications with React.js.
  • Ensured 80% test coverage using JUnit, Mockito, and Jest, enhancing software reliability.
  • Designed prototypes and mock UI components, improving collaboration between developers and stakeholders.

Education and Certificates

B.Tech in Computer Science and Engineering

National Institute of Technology, Manipur 2017 – 2021
Want to hire Sonal K. or just want to talk? Schedule chat with Sonal

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