Tushar Jaiswal

Senior Software Engineer

tusharj045@gmail.com
linkedin.com/in/tusharj045
github.com/Tusharj045

Backend and distributed-systems engineer building reliable, high-scale services. Event-driven architectures, reliability and observability, and AWS cloud infrastructure. Currently at Twilio; previously Cimpress.

Experience

Senior Software Development Engineer — Twilio

Apr 2025 – Present · Remote (Bangalore)
  • Diagnosed and permanently resolved a critical production issue impacting 50% of transactional flows.
  • Enhanced monitoring, alerting and logging (Datadog dashboards), reducing incident resolution time.
  • Designed a fault-tolerant reprocessing workflow for failed asynchronous events, enabling safe recovery of production data.
  • Improved reliability of distributed event-driven services by increasing test coverage and strengthening message handling.

Senior Software Development Engineer — Cimpress India

Jul 2023 – Apr 2025 · Remote (Bangalore)
  • Designed and implemented an Inventory Management system for real-time attribute- and SKU-based tracking — 95% availability accuracy.
  • Built a Lambda + Fargate cron pipeline generating Google Merchant Center feeds — +25% search traffic, +40% product visibility.
  • Enhanced and integrated an AWS chatbot on the website, reducing care-agent load and saving $500k+.
  • Mentored 3–4 team members through design discussions and code reviews.

Software Development Engineer — Cimpress India

Aug 2021 – Jun 2023 · Remote
  • Migrated a legacy phone-order system to serverless, saving 40k+ EUR annually and reducing manual effort and errors.
  • Delivered multiple PCI-compliant payment portals for sibling companies, supporting 20% growth in payment volume.
  • Designed a competitive-pricing intelligence system feeding Snowflake for predictive pricing — 15% revenue increase.
  • Delivered production features using AWS Lambda, DynamoDB, SQS, API Gateway and ECS.

Data Engineer Intern — Wabtec Corporation

Jan 2021 – Jul 2021 · Remote
  • Developed PL/SQL logic to categorize data into risk categories, improving processing efficiency.
  • Built an alert system for outdated data, eliminating manual monitoring effort.
  • Automated data loads from Smart Sheets into the database.

Skills

Python · JavaScript · TypeScript · Java · Node.js · Express · AWS (Lambda, DynamoDB, SQS, API Gateway, ECS/Fargate) · Serverless Framework · Docker · Terraform · React · Webpack · HTML/CSS · MongoDB · Mongoose · PostgreSQL · Snowflake · Jest · Mocha · Chai · Zod · Data Structures & Algorithms

Education

B.Tech, Computer Science — Vellore Institute of Technology

2017 – 2021 · 9.21 CGPA

Achievements

Golden Pen Award, 2024 (National Pen) · 1st place, CRIO Capstone — CRIO Summer of Doing 2019