Puneet Tandon
Summary
Software Engineer with 8+ years of experience designing and owning scalable distributed systems across Compliance, Payments, and Marketing domains. Specialized in Java, Spring Boot, SQL/NoSQL , Kafka and AWS, building high throughput, fault tolerant and resilient systems. Experienced in leading architectural initiatives, mentoring engineers and delivering reliable systems.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Senior Software Engineer
Wissen
01.2023 - Current
- Developed a high volume data export tool for large trade datasets, enabling efficient analysis for advanced trade calculation logic.
- Enhanced attribution and allocation logic by incorporating an additional entity type for product level distribution, improving accuracy and flexibility of calculations.
- Client: Morgan Stanley
Software Engineer 3
Smarsh
12.2020 - 01.2023
- Designed high level architecture and detailed low level components for a distributed supervision platform processing millions of communications daily, leveraging Kafka, Elasticsearch and deduplication strategies, resulting in 30% reduction in execution time.
- Designed and owned an end to end Lucene based search query framework, enabling efficient parsing, indexing, highlighting of large documents(upto 50MB) with latency of 200ms-3s.
- Designed an Echo Cancellation system that intelligently filtered redundant email echoes in enterprise archives, resulting in a 20% reduction in manual review workload.
- Architected disposition microservice to systematically identify and delete expired records across MongoDB and Elasticsearch, driving 40% storage cost reductions.
- Introduced a bulk close feature allowing thousands of deduplicated documents to be processed simultaneously (vs. 50 earlier), ensuring responsive UI and reliable status tracking.
- Led and mentored a team of developers, driving code reviews, debugging sessions, and architectural discussions to improve code quality and delivery efficiency.
Software Engineer 2
Cj Affiliate
09.2017 - 12.2020
- Designed and implemented a high-throughput GraphQL Product Mutation API, allowing advertisers to update hundreds of products daily with latency of up to 5 seconds, guaranteeing real time catalog availability.
- Built an export functionality for 100k+ product records using Quartz Job scheduling, maintaining accuracy and timely delivery across catalog systems.
- Automated deployments across environments by implementing Infrastructure as Code (IaC) with AWS CloudFormation, securing 100% consistency, repeatability, and faster provisioning.
- Leveraged AWS services (Lambda, DynamoDB, Kinesis) to ensure fault-tolerant, scalable pipelines for large-scale product data ingestion.
Software Engineer 1
Conduent
02.2017 - 08.2017
- Developed RESTful APIs for the Way2Go program using Spring Boot, powering secure payment processing in compliance with ISO 8583 and PCI DSS standards.
- Created Angular 2 web interfaces for multiple backend services, enhancing usability and accessibility for program users.
- Actively participated in the full software development life cycle (SDLC) from detailed requirement gathering to production deployment, consistently achieving on-time delivery of high-quality, critical features.
Education
B.Tech - Electronics and Communication
Vaish College of Engineering
07-2016
Diploma - Advance Computing
CDAC
Skills
- Java and J2EE
- Data structures and algorithms
- System design
- Concurrency management
- Spring Boot
- RESTful API design
- GraphQL
- MongoDB
- Oracle database
- MySQL
- Elasticsearch
- DynamoDB
- Redis
- Apache Kafka
- AWS cloud services
- React
- Angular
- Datadog monitoring
- Komodor integration
- ArgoCD deployment
- ELK stack management
- Kubernetes orchestration
- docker containerization
- Microservices architecture
- distributed systems design
- Performance optimization
Certification
- AWS Certified Solutions Architect - Associate
- Generative AI for Professionals - IIT Patna, Pursuing
Timeline
Senior Software Engineer
Wissen
01.2023 - Current
Software Engineer 3
Smarsh
12.2020 - 01.2023
Software Engineer 2
Cj Affiliate
09.2017 - 12.2020
Software Engineer 1
Conduent
02.2017 - 08.2017
B.Tech - Electronics and Communication
Vaish College of Engineering
Diploma - Advance Computing
CDAC