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Karthikeya Perumal C

Software Engineer

Thoothukudi, Tamil Nadu, India3 yrs 6 mos experience

Key Highlights

  • Engineered scalable microservices for high-volume transactions.
  • Achieved 50% faster data retrieval through SQL optimization.
  • Automated CI/CD pipelines, reducing manual errors by 40%.
Stackforce AI infers this person is a Backend Developer in the Fintech industry, specializing in scalable microservices and performance optimization.

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Skills

Core Skills

JavaMicroservices

Other Skills

API DevelopmentAgile DevelopmentAgile MethodologiesAgile Methodology & Scrum ParticipationAlgorithmsApache KafkaApplication Programming Interfaces (API)Azure FunctionsBack-End Web DevelopmentBusiness AnalyticsBusiness RequirementsCI/CD (Jenkins, Git, Maven, Bitbucket)Cascading Style Sheets (CSS)Code ReviewCoding Experience

About

Hey there! I’m Karthik, a passionate Java Backend Developer with 3+ years of hands-on experience building scalable, high-performance backend systems using Java, Spring Boot, Microservices, Kafka, and SQL. From day one, I’ve loved solving complex problems and breaking them down into clean, maintainable code. I specialize in crafting RESTful APIs, optimizing database queries, and building microservices that handle real-time, high-volume data with reliability and speed. Here’s a quick snapshot of what I bring to the table: ⚙️ Built and deployed microservices for an Asset & Wealth Management platform, improving system reliability and scalability across modules. 🔄 Integrated Kafka for real-time messaging, ensuring smooth data flow between services and reducing latency. 📊 Optimized SQL queries, leading to a 30% boost in backend performance and faster data retrieval. ✅ Reduced software defects by 35% through rigorous JUnit testing and code reviews. 🚀 Automated deployments using Jenkins, Docker, and Kubernetes, contributing to faster release cycles and better DevOps culture. What sets me apart? I’m not just focused on writing code — I focus on writing the right code that solves real business problems. Whether it’s enhancing performance, refactoring legacy modules, or debugging a hard-to-find issue, I’m always up for the challenge. I thrive in Agile teams, love collaborating with peers across disciplines, and continuously seek to improve through learning and feedback. If you're looking for someone who brings a mix of technical depth, curiosity, and a strong team mindset — let’s connect!

Experience

3 yrs 6 mos
Total Experience
1 yr 9 mos
Average Tenure
--
Current Experience

Cognizant

3 roles

Associate

Promoted

Apr 2024Jun 2025 · 1 yr 2 mos · Hybrid

  • As an Associate at Cognizant, I engineered scalable and efficient software solutions for the Asset and Wealth Management sector using Core Java and Spring Boot. My contributions include:
  • Developed and deployed scalable microservices using Java, Spring Boot, and RESTful APIs for an Asset & Wealth Management platform, enabling 1M+ secure transactions daily.
  • 🔄 Integrated Apache Kafka for real-time event streaming and processing, reducing latency and achieving seamless asynchronous communication between services.
  • 🧠 Optimized SQL queries and database interactions, leading to 50% faster data retrieval and enhanced backend performance in data-heavy modules.
  • ✅ Spearheaded unit and integration testing using JUnit, resulting in a 35% drop in production defects through rigorous code validation and review processes.
  • 🚀 Automated CI/CD pipelines with Jenkins, Docker, and Kubernetes, accelerating deployment cycles and reducing manual errors by 40%.
  • 📈 Designed and implemented a Blue Bolt automation solution, decreasing QA testing time by 30% through dynamic date-based script generation.
  • 👥 Actively contributed to Agile ceremonies (daily standups, sprint planning, retrospectives), ensuring 95%+ on-time delivery of user stories in cross-functional squads.
  • 📝 Authored low-level design documentation (LLDs) and technical knowledge transfers, enhancing collaboration across development, QA, and support teams.
  • 🏆 Recognized with multiple awards including Certificate of Excellence and Momentum Award for consistent high performance and delivery excellence.
JavaSpring BootMicroservicesRESTful APIsApache KafkaSQL+4

Program Analyst

Dec 2022Apr 2024 · 1 yr 4 mos · Hybrid

  • Currently working as a Program Analyst at Cognizant in Chennai in Asset and Wealth management projects.

Program Analyst Trainee

Dec 2021Dec 2022 · 1 yr · Hybrid

  • I have joined Cognizant as a Program analyst trainee in Dec 2021 and completed my probation and training period successfully and been promoted to Program Analyst at Dec 2022. I was trained as a backend Java developer.

Sepc

Site Supervisor

Apr 2020Apr 2021 · 1 yr · Thoothukudi, Tamil Nadu, India

Education

Dr.SIVANTHI ADITANAR COLLEGE OF ENGINEERING

Bachelor of Engineering - BE — Electrical and Electronics Engineering

Jan 2016Jan 2020

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