Karan VEER Singh
Summary
Lead Engineer with 12+ years of experience in Java, specializing in microservices architecture and distributed systems. Proven track record of designing scalable, fault-tolerant, and high-availability solutions, while mentoring teams to improve code quality and engineering practices.
Extensive experience working on distributed system challenges, including consistency, latency optimization, and fault handling, with over 3 years focused on building resilient systems. Skilled in developing event-driven microservices architectures using Spring Boot, Spring Cloud, and RabbitMQ to enable scalability and system decoupling.
Strong collaborator with expertise in cross-functional problem-solving, ensuring high system performance and reliability. Proficient in AWS and Docker, committed to delivering robust and innovative software solutions.
Developed a Spring AI-based POC to gain hands-on experience with Large Language Model (LLM) integration
Overview
13
13
years of professional experience
Work History
Senior Software Engineer
ION
Noida
12.2021 - Current
- Implemented client-specific backend and frontend components, increasing system flexibility and responsiveness to user needs.
- Designed and developed treasury system application (Cash Management & Reconciliation) features using Java and the Ion platform, improving user experience and functionality.
- Resolved critical production issues, ensuring high system availability and performance.
- Guided and mentored junior engineers via code reviews, driving improvements in code quality and development standards.
- Collaborated with cross-functional teams to consistently meet project deadlines, ensuring timely delivery of software solutions.
Software Engineer
S&P GLOBAL
Noida
08.2020 - 12.2021
- Designed and implemented complex data structures and system components.
- Developed and tested regulatory system solutions to ensure compliance within the financial domain.
- Developed and tested a regulatory system project.
- Led a team of 3 engineers, driving code reviews and actively contributing to design discussions to improve system quality.
Associate Lead
NAGARRO
Gurugram
11.2017 - 04.2020
- Designed and developed scalable microservices-based solutions for airline-based client using Java and Spring Boot.
- Designed LLD/HLD based on requirements to enhance system architecture clarity.
- Facilitated communication with the onshore team to improve deployment efficiency of microservices.
Senior Software Engineer
TAVANT TECHNOLOGIES
Noida
11.2015 - 11.2017
- Developed CMS project on AWS infrastructure to improve scalability and performance.
- Integrated TestRail tool via Java API to streamline testing processes.
- Addressed client tickets by delivering timely and effective solutions.
SOFTWARE ENGINEER
HCL TECHNOLOGIES
Noida
08.2013 - 11.2015
- Developed relay/server components, including OTP and CDRPP for prepaid systems.
- Executed coding, fixed bugs, and conducted unit testing to ensure adherence to specifications.
- Created SRS and UTD documentation for internal audits, streamlining compliance processes.
Education
B. Tech -
GGSIPU
12-2012
Skills
- Java 17 and J2EE
- Microservices architecture
- Linux operating system
- SQL database management
- Docker containerization
- RabbitMQ messaging
- Event-Driven Architecture
- Spring Boot framework
- AWS cloud services
- CI/CD pipelines
- Maven build tool
- Oracle/MSSQL
- Angular
- JavaScript programming
- Kafka
- Basic python
- HTML5 development
- JIRA project tracking
- Git version control
- Jenkins automation
- Data structures and algorithms (DSA)
- Automation testing tools
- Unit testing methodologies
- Spring Cloud microservices
Additional Information
- Languages: English (Fluent), Hindi (Native), Punjabi (Conversational)
- Interests: System design, mentoring engineers, exploring scalable architectures
Timeline
Senior Software Engineer
ION
12.2021 - Current
Software Engineer
S&P GLOBAL
08.2020 - 12.2021
Associate Lead
NAGARRO
11.2017 - 04.2020
Senior Software Engineer
TAVANT TECHNOLOGIES
11.2015 - 11.2017
SOFTWARE ENGINEER
HCL TECHNOLOGIES
08.2013 - 11.2015
B. Tech -
GGSIPU