---
title: "Aakash Singh - Senior Software Engineer in Bengaluru | Tal"
description: "Meet Aakash Singh, Senior Software Engineer @ CriticalRiver | Python · FastAPI · Go · GenAI (LLMs, RAG, LangChain) | AWS · Azure · GCP | Ex-Kraft Heinz, Dunzo, TCS based in Bengaluru. AI stack includes claude code, claude, and codex."
image: "https://tal.club/meet/aakash-singh-3/share-image"
---

# Aakash Singh on Tal

## Headline

Senior Software Engineer @ CriticalRiver \| Python · FastAPI · Go · GenAI \(LLMs, RAG, LangChain\) \| AWS · Azure · GCP \| Ex\-Kraft Heinz, Dunzo, TCS

## About

Senior software engineer with 5\+ years building cloud\-native backend and full\-stack products in Python \(FastAPI, Django\), Go, Node\.js, and React across AWS, Azure, and GCP\. Currently at CriticalRiver building production GenAI applications — LLM workflow automation on OpenAI/Azure OpenAI and Anthropic Claude, with RAG pipelines \(LangChain, pgvector, Elasticsearch, FAISS/Chroma\) that cut manual support triage by 30%\. Highlights: \- CriticalRiver \(Ministry of Power\)— Revenue Leakage Detection platform, showcased at the MoP National Conference \- Kraft Heinz — led architecture of the global NPS platform on Azure; mentored 2 engineers; cut analytics refresh time 40% for 150\+ users \- Dunzo — cut latency 30% on Home service handling 1K\+ req/s; AOV \+₹25/order \- TCS — CloudWatch Synthetics monitoring, MTTD −60% Reliability record: 99\.9% uptime, distributed tracing \(Elastic APM\), Kafka, Docker, Kubernetes, CI/CD\. Startup co\-founder \(GUSEC\-incubated\)\.

## Location

Bengaluru

## AI stack

claude code

claude

codex

opencode

## Work experience

Senior Software Engineer at CriticalRiver Inc\., Nov 2025 \- Present · 10 mos, Remote, Building production GenAI and analytics platforms for enterprise and government clients\. \- Architected and delivered a Revenue Leakage Detection platform for India's Ministry of Power \(FastAPI \+ React\), translating ML\-driven leakage indicators and KPIs into actionable insights — selected for showcase at the MoP National Conference \(Dec 2025\)\. \- Built an LLM\-powered Service Management Assist application on OpenAI/Azure OpenAI and Anthropic Claude with a LangChain RAG pipeline \(pgvector, Elasticsearch, FAISS/Chroma\), automating 10\+ support workflows and reducing manual triage effort by 30%\. \- Delivered the Leaflinks analytics platform — 3 production dashboards \(React \+ Django\) powered by AWS Lambda ETL pipelines automating data ingestion and transformation\. \- Own production deployment and release automation end\-to\-end with Docker and Nginx on AWS, establishing release practices that sustain 99\.9% uptime\.

Senior Software Engineer at Kraft Heinz, Jan 2024 \- Oct 2025 · 1 yr 10 mos, \- Developed and enhanced a high\-end data visualization platform, enabling machine learning insights for decision\-makers through an interactive Angular web application\. \- Spearheaded the NPS Project within Kraft Heinz, mentoring 2 engineers and collaborating with stakeholders to drive customer satisfaction improvements\. \- Winner of the Commercial Insights Challenge, showcasing strategic thinking and analytical expertise by extracting business insights from complex datasets\. \- First hire in the organisation in Full Stack Development role, setting a precedent for future projects and driving significant impact in Enterprise Data & Analytics\.

Software Engineer \- 2 at Dunzo, Aug 2022 \- Dec 2023 · 1 yr 5 mos, Remote, \- Led the Custom Pages Project, optimizing data flow and consumer behavior insights, increasing Average Order Value \(AOV\) by ₹25\. \- Implemented BxGy \(Buy X Get Y% Off\) initiative, contributing to an ₹8 boost in AOV and driving revenue growth\. \- Resolved critical memory leak issues using the pprof profiler, enhancing system reliability and operational efficiency\. \- Collaborated across product, marketing, and design teams for the Category Page Redesign, improving user engagement and driving a ₹15 increase in AOV\. \- Mentored junior developers, fostering a culture of problem\-solving and knowledge sharing\.

Systems Engineer at Tata Consultancy Services, Sep 2020 \- Jul 2022 · 1 yr 11 mos, Ahmedabad, \- Built multifarious AWS lambda functions communicating with S3 and DynamoDB and hosting API Gateway endpoint in front of it\. Integration of the API Gateway endpoints in the Node backend\. \- Restructured the legacy parsers of JDX, XLSX, and CSV files in Python , reduced the number of function call to compute the length of dataset and computing the length efficiently, resulting in increase of parsers efficiency by 35%\. \- Built export functionality using rxjs in Node and material\-ui in React for the legacy applications data table\. \- Restructured the default drop\-down to allow searchable select functionality in a Node and React application\. \- Ideation and implementation of monitoring multiple clients applications endpoint using the Cloudwatch Synthetics Canary\.

## Education

Bachelor of Engineering \- BE, Information Technology, L\.D\. College of Engineering

[View the original profile](https://tal.club/meet/aakash-singh-3)

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