Priyanshu Tiwari

Backend Engineer

Bengaluru, Karnataka, India6 yrs 2 mos experience

Most Likely To SwitchHighly Stable

Key Highlights

Led zero-downtime migrations and cost optimizations.
Achieved 25% month-over-month infrastructure cost savings.
Delivered 50+ 5-star freelance projects across various domains.

Stackforce AI infers this person is a Backend-focused engineer with expertise in E-commerce and Fintech, specializing in scalable systems.

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Skills

Core Skills

MicroservicesDistributed SystemsBackend DevelopmentOperational ExcellenceData EngineeringCloud SolutionsFull Stack Development

Other Skills

Software DevelopmentSystem DesignAmazon ECSJavaAWSCloud ComputingSQLPythonAzureWeb DevelopmentMERN StackReactJsNodeJsMongoDBAmazon Web Services (AWS)

About

Senior Backend Software Engineer with 5.5+ years of experience building and scaling high-throughput, fault-tolerant distributed systems at Amazon. Currently an SDE II at Amazon (WW Fulfillment by Amazon, FBA), owning and scaling seller-facing backend services handling 30K+ TPS and 12+ microservices for global seller onboarding and product listing workflows. Previously, I worked at Amazon Pay Rewards, where I built and scaled systems that powered cashback, coupons, scratch cards, and bank promotions for millions of customers across India. I specialize in Java, microservices, distributed system design, and GenAI/agentic platforms, with a strong focus on performance, scalability, and operational excellence. I’ve led zero-downtime migrations, latency reductions, and cost optimizations, and actively mentor engineers while owning production systems end-to-end. Outside Amazon, I’ve delivered 50+ 5-star freelance projects across full-stack apps, cloud deployments, and data pipelines. Feel free to reach out at priyanshutiwari.work@gmail.com for referrals or any queries. Open for discussions around tech and sports!

Experience

6 yrs 2 mos

Total Experience

2 yrs 6 mos

Average Tenure

3 yrs 10 mos

Current Experience

Amazon

3 roles

Software Development Engineer II

Promoted

Aug 2025 – Present · 9 mos

Senior Backend engineer for Amazon’s WW FBA eligibility platform, operating 30K+ TPS/QPS production microservices across regions.
Own and scale revenue-critical seller registration and product listing services (~15) into FBA program used by millions of sellers worldwide
Achieved ~25% month-over-month infrastructure cost savings by removing idle resources, implementing traffic-based scaling, and optimizing system architecture for long-term efficiency
Serve as the go-to person for SDE-1 and SDE-2 engineers, unblocking complex issues and accelerating team delivery
Act as primary cross-team POC for Listings & Registration, leading design and code reviews to raise reliability, quality, and velocity
Drive OE process for a 9-member team (5 SDE2, 1 SDE3, 3 SDE1), owning 12 key Operational Excellence metrics and driving team-level processes to reduce operational load and improve service reliability
Mentor SDE-1 and SDE-2 engineers on system design, production readiness, and on-call excellence

Software DevelopmentSystem DesignMicroservicesDistributed Systems

Software Development Engineer II

Jul 2024 – Aug 2025 · 1 yr 1 mo

Backend Software Engineer in Amazon Pay - Rewards team.
Developed and enhanced backend systems for the Rewards platform, served as an SME to support 20+ client teams within Amazon in their feature delivery, including Amazon Bazaar, SubscribeAndSave, Prime, and Flights booking.
Scaled Instant Bank Discount promotions to support 2× more campaigns without checkout latency regression, directly driving 500bps (+150 MM INR) increase in bank-funded promotions by collaborating with multiple global teams.
Mentored new joinees and participated in 50+ hiring events for SDE1s and FTCs.
Led operational and engineering excellence initiatives for a 12-member team, delivering long-term scalable solutions and key process improvements with and without GenAI.
Awarded TWOF multiple times for different categories, including: above and beyond, deliver results.
Built multiple agentic AI prod solutions using Amazon Bedrock to streamline customer support queries and promotion approval process.
Conducted 500+ code reviews and 50+ design reviews, raising quality bar and preventing production regressions.

System DesignAmazon ECSBackend DevelopmentOperational Excellence

Software Development Engineer

Jun 2022 – Jun 2024 · 2 yrs

Backend engineer in Amazon Pay - Rewards team.
Developed and maintained software systems that fulfill rewards (cashback, coupons, scratch cards) to Amazon India customers, enhancing user engagement and satisfaction.
Involved in migration and re-architecture of legacy services handling live traffic of ~10k TPS, resulting in improved scalability and reduced latency.
Scaled multiple Tier-2 services to support increased traffic of ~30k+ TPS, contributing to a more robust and reliable rewards system.
Owned design reviews and on-call for rewards services, resolving 100+ tickets, reducing tickets, and ensuring high availability during peak traffic.
Utilized Java, AWS, and microservices architecture technologies to implement efficient and scalable solutions.

JavaAmazon ECSBackend DevelopmentMicroservices

Accenture

2 roles

Software Engineer - Senior Analyst

Promoted

Dec 2021 – May 2022 · 5 mos

Full Stack Engineering Senior Analyst
Responsible for developing & maintaining Azure Serverless functions in Python to process data from various marketing and Ads APIs.
Responsible for developing and managing the Marketing and CRM data pipelines for ~9 Marketplaces.
Responsible for ensuring data consistency and accuracy in the SQL warehouse and databases.
Reduced data pipelines failure rate by 45% by enhancing the code structure & using best code practices in Spark.
Developed Meta Data driven Ingestion Framework from scratch.
Worked with multiple client teams to understand and document the pipeline requirements and deliver scalable solution.
Tech Stack: Python, Spark, Microsoft Azure, SQL, ADF, Databricks

Cloud ComputingSQLData EngineeringCloud Solutions

Software Engineer - Analyst

Sep 2020 – Dec 2021 · 1 yr 3 mos

Worked in Big Data and Engineering Domain
Worked on Microsoft Azure Data Services - Data Factory, Synapse, MSSQL, etc.
Developed meta-data driven data pipelines in ADF for Data Ingestion from various sources and migrating data into Azure SQL DB & Azure Synapse SWH
Implemented SQL procedures for saving and modifying data on basis of requirements.
Wrote SQL stored procedures from scratch for SCD-1 and SCD-2 data load in Azure SQL DB.
Migrated on-premise data on Azure SQL Warehouse and ADLS using Polybase and AzCopy.
Responsible for developing Python Azure Serverless Functions to load data from multiple API sources to Data Lake and integrate them in the data factory.
Worked with Energy client as a Consultant for its data management by building scalable pipelines & optimizing its existing data architecture by using cost-efficient azure services.
Received Accenture Celebrates Excellence (ACE) award for Q2-2021
Received Avanade Sparkling Star Award twice - Feb 2021, July 2021

Freelance

Full Stack Web Developer

Jan 2020 – Feb 2022 · 2 yrs 1 mo · Remote

Been a Level 2 seller at Fiverr
Been a Top rated seller on UpWork
Completed 70+ orders with 5-star reviews at Fiverr & Upwork
Developed 20+ Web Applications from scratch
Experienced in developing CRUD APIs, integrating external APIs, developing Backend architecture, Database schemas, and Complex Frontend of the web applications.
Specialized in developing customized CMS
Experienced in deploying sites on various cloud platforms
Tech stack: ReactJs, Redux, NodeJs, Jest, MongoDB, NextJS, AWS, Heroku

Web DevelopmentMERN StackFull Stack Development

University living

2 roles

Full Stack Developer Intern

Dec 2018 – Mar 2019 · 3 mos · Noida Area, India

universityliving.com
Added new features to the existing Web application.
Integrated 3rd party APIs for automated updation.
Added new functionalities in CMS for internal organisation use.
Customisation of web pages.
Automated process of generating landing pages
Built complex UI using ReactJs and Redux
Developed landing pages and Dynamic landing page generator for the organisation.
Handled complex CRUD operations using MongoDB and Express.
Worked on Dialogflow to create a supervised business chatbot for the organisation.
Tech stack: ReactJs, Redux, NodeJs, MongoDB, JavaScript, ElasticSearch, jQuery, and Dialogflow.

Full Stack Developer Intern

Nov 2017 – Mar 2018 · 4 mos · Noida Area, India

University Living is a global student housing marketplace that helps international students find the best place to stay near university campuses around the world.
My main tasks as a full-stack developer included:
Development of CMS for the organization.
Designed & developed Landing pages.
Constantly improved and optimized the main website.
Handling Database operations using MongoDB.
Created database Schema and modals for database migration.
Developed web-related products for internal organization use.
Tech stack: MongoDB, ReactJs, NodeJs and Express.