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Vishal Kumar

Software/AI Engineer

I like to build distributed systems and solve complex problems.

Currently working in the Amazon AI Automation Team for Supply Chain after completing my MSci in Computer Science.

C++PythonJavaTypeScript/NodeAWSAzureKafkaTerraformPostgreSQLGolangLinuxUnixDockerKubernetesRustHTML/CSS
Pandasscikit-learnXGBoostPyTorchHypothesis testingA/B testingMatplotlibSeabornQ-LearningComputer VisionNeural NetworksReinforcement LearningDeep LearningOpenCVNumPyLLMs / RAG / Agents / MCP / Fine-Tuning / Transformers
Amazon:Data Engineer Intern • Agentic AI Text-to-SQL
Amadeus:Software Engineer Intern • ETL and Event-Driven Systems
Denr (Fintech):Co‑founder • React Native/Golang mobile application
King's College London:First Class Honours • 2025
Recent work

Amazon FP&A Text-To-SQL Agentic AI Chatbot: Scoped, designed and implemented a production-grade internal tool for financial analysis and deep dives reducing data retrieval time by 85%

Containerized Gogs & VNC Development Environment: A fully containerized Debian-based Gogs Git server with built-in VNC/noVNC access, Firefox, and helper scripts for automated setup, testing, and data management.

Experience

My career journey

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Amazon2025
Data Engineer Intern

Designed an agentic Text-to-SQL pipeline to reduce financial reporting latency.

  • Implementing a production-grade, agentic AI Text-to-SQL pipeline, reducing financial reporting latency by automating queries across 100M+ rows, cutting analyst workflow time by 60%.
  • Designing documents to evaluate architectural trade-offs.
CoolEat (Foodtech)2024–2025
Co‑founder / Full-Stack Engineer

Led a team of 6 to construct the MVP of our web application to reduce food waste.

  • Developed a web application for three different user flows involving Stripe payment.
  • Pitched to accelerators, clients and external stakeholders.
Amadeus IT Group2024
Software Development Engineer Intern

Built a proof-of-concept passenger-facing web application with real-time messaging via WebSockets, an Azure pipeline, and airline system integration.

  • Designed an event-driven architecture bridging on-prem authentication with Azure IAM.
  • Engineered an ETL pipeline to streamline billing calculations for the Azure pipeline.
Denr (Fintech)2023–2024
Co‑founder / Full-Stack Engineer

Led a team of 7 to construct the MVP of our mobile application for our two-sided marketplace.

  • Developed the Golang API, WebSockets-based notification service, and React Native UI.
  • Constructed a Next.js web application, presenting our company's values and processes for user acquisition.
10zyme2023–2024
App Developer Intern

Constructed an app to help HPV patients through access to diagnostics and professional consultants.

  • Developed the UI using React Native within a team of 8.
  • Set up CI/CD pipelines using Github Actions and policies for pull request approvals encouraging shared responsibility for production code.
  • Balanced work alongside two other startups.
FoodCLUB2023
Back End Developer Intern

Engineered the backend of V2 of the mobile application while tackling critical MVP tickets.

  • Engineered backend APIs in Node.js/Express for mobile CRUD operations, designing PostgreSQL schemas and DynamoDB tables with global secondary indexes to optimize query performance and retrieval speed.
  • Implemented a Socket.IO-based messaging system with reconnection logic, enabling real-time chat and active-user tracking.
  • Migrated session tracking from PostgreSQL to Redis with TTL-based caching, reducing user lookup latency by 90% and ensuring scalable real-time updates
NxTuitions2022-2023
AI Engineer Intern

Collaborated in an artificial intelligence project that plans to improve educational services where students' attention profiles are monitored and shared with parents through their progress reports.

  • Built an eye-tracking and blink-rate monitoring pipeline and triggered screenshots upon >5s absence to support progress reports.
  • Experimented with Deep Learning models in Keras for eye-tracking and applied data augmentation to expand a limited dataset, prevent underfitting and improve generalisation.

Projects

Personal and university projects.

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C++ Limit Order Book
Modern C++ engine with lock‑free SPSC ring buffers.
C++ConcurrencyGoogle Test
IBM Skills Build Enhancement - Client: IBM
Developed gamification features and evaluated using LLMs - finetuned using HyperOpt and LoRA.
LLMsPyTorchPostgreSQLNode.jsReact
Stock Ticker ETL Pipeline
Constructed an ETL Pipeline to ingest ticker data from Yahoo! Finance's API into a data lake and then transform the data before loading it into a data warehouse for querying.
PythonAWS S3AWS GluePySparkRedshiftCDKIAMPytest
Research Project - Accuracy or Interpretability
Benchmarked Linear Regression, Ridge Regression, and XGBoost on the Ames Housing dataset across 100 randomized runs; evaluated log-RMSE, RMSE, and R2
Pythonscikit-learnXGBoostPandasNumPyMatplotlib
Merton Moves
A gamification hub with an AI-based search tool designed to encourage a young target demographic in Merton borough to be more active.
AWSClient RelationsStakeholder ManagementFlutter
Internal Admin Dashboard
A web application monitoring and providing metrics on users on a lending application.
Spring BootAngularJSDockerKubernetesTerraform

About

A quick snapshot.

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Education
  • King’s College London (MSci Computer Science)

    2021–2025First Class Honours

Key metrics
Impact at a glance.
-60%
Latency cut
Text-To-SQL
2
Ventures
Co-founded
92%
Scored
IBM Project

Contact

Happy to have a chat!

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Open to Software/AI Engineer roles

Backend / Full-Stack / AI Systems

London, UK [email protected]