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KARTHIK A

Technical Team Lead & Backend Engineer

Results-driven engineer with over 8 years of experience in designing and implementing robust fintech solutions. Expertise in leading cross-functional teams and building scalable microservices.

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About Me

Who I Am

Results-driven Technical Team Lead and Backend Engineer with over 8 years of experience in designing and implementing robust fintech solutions. Expertise in leading cross-functional teams through the entire project lifecycle, ensuring timely delivery and alignment with business objectives.

Proven track record in system optimization, technical mentorship, and fostering strong stakeholder relationships. Aiming to leverage skills in a challenging role to drive innovation and enhance operational efficiency.

Location

Bangalore, 560098

Email

karthik011192@gmail.com

Experience

8+ Years

Specialty

Backend/Microservices

My Expertise

Specialized in building scalable microservices architecture and leading technical teams to deliver high-quality fintech solutions. Proficient in:

Technical Leadership

Leading cross-functional teams and mentoring junior developers to ensure project success.

System Architecture

Designing robust and scalable microservices architecture for complex financial systems.

Backend Development

Building high-performance backend systems with Python and various database technologies.

System Integration

Integrating third-party payment gateways and systems to build seamless user experiences.

View My Experience

Professional Experience

Over 8 years of hands-on experience building and scaling financial technology solutions.

FISDOM

Software Engineer - Team Lead

June 2018 - February 2024

  • Designed and delivered National Pension System (NPS) microservice from scratch, executing data migration from legacy architecture while maintaining system uptime and enhancing platform functionality
  • Redesigned and optimized Mutual Fund payment infrastructure, implementing multi-gateway integration including Razorpay, PayU, and banking partners
  • Led third-party E-NACH mandate system integration, reducing mandate approval TAT and delivering 50% faster SIP processing for enhanced user experience
  • Developed end-to-end automated SIP debit processing system, enabling efficient fund collection through multiple banking partner channels
  • Led architectural design and implementation of unified payment gateway microservice, streamlining multiple products and reducing operational costs by 70%
  • Mentored junior developers and led code reviews to ensure code quality and knowledge sharing across the team
  • Collaborated with product managers and designers to implement user-centric solutions for complex financial products

TATA CONSULTANCY SERVICES

Senior Business Analyst

February 2018 - June 2018

  • Enhanced technical skills through self-paced learning in Python and study of software engineering principles and clean code practices
  • Analyzed business requirements and translated them into technical specifications for development teams
  • Collaborated with stakeholders to understand business processes and identify opportunities for optimization
  • Participated in agile ceremonies and contributed to continuous improvement initiatives

KARTHAVYA TECHNOLOGIES

Software Developer

September 2015 - February 2018

  • Engineered robust search capabilities through Elasticsearch integration, delivering high-performance search functionality for desktop platforms
  • Developed automated WhatsApp integration for efficient file transmission and broadcast management, optimizing communication channels
  • Enhanced proxy image generation performance and fortified system security through implementation of comprehensive audit logging infrastructure
  • Created original reporting tools for broadcast scheduling and system performance monitoring
View My Skills

Technical Skills

A comprehensive set of skills and technologies I've mastered throughout my career

Programming & Databases

Python

Expert

MongoDB

Advanced

MySQL

Advanced

Postgres

Advanced

NdbDatastore

Proficient

DevOps & Tools

JIRA

Advanced

Docker

Advanced

GCP

Proficient

Git

Expert

Leadership & Architecture

Technical Leadership

Leading cross-functional teams through the entire project lifecycle, ensuring timely delivery and alignment with business objectives. Mentoring junior developers and fostering a collaborative environment.

Leadership Mentorship Vision

Microservices Architecture

Designing and implementing microservices-based architectures for scalable and maintainable systems. Experience in breaking down monolithic applications into modular services.

Design Implementation Scaling

Software Architecture

Designing robust system architectures with a focus on scalability, security, and maintainability. Experience in creating architectural documentation and defining technical standards.

Design Patterns System Design Integration

Continuous Integration & Deployment

Implementing CI/CD pipelines for automated testing, building, and deployment of applications. Experience with various CI/CD tools and practices.

Automation Testing Deployment

Code Reviews

Conducting thorough code reviews to ensure code quality, identify issues, and share knowledge within the team. Advocating for best practices and coding standards.

Quality Assurance Knowledge Sharing Standards
View My Education

Education

Academic background that formed the foundation of my technical expertise

Master of Computer Science

January 2015

Advanced Degree

ST. JOSEPH COLLEGE

Bangalore, India

Academic Achievement

GPA: 75.22%

Key Areas of Study

  • Database Systems
  • Data Structures
  • Algorithms
  • Software Engineering
  • Distributed Systems
  • Cloud Computing
Foundation for a successful career in software development and architecture

In addition to formal education, I continuously enhance my skills through online courses, professional certifications, and staying up-to-date with the latest industry trends and technologies.

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Featured Projects

Highlighting some of the significant projects I've worked on throughout my career

National Pension System

Microservice Python NdbDatastore

Designed and delivered a comprehensive National Pension System microservice from scratch. Executed complex data migration from legacy architecture while maintaining system uptime and enhancing platform functionality.

Key Achievements:

  • Seamless data migration with zero downtime
  • Improved system performance by 40%
  • Enhanced data security and compliance

Unified Payment Gateway

Architecture Python PostgreSQL

Led architectural design and implementation of a unified payment gateway microservice. Streamlined multiple products into a cohesive system while reducing operational costs by 70%.

Key Achievements:

  • 70% reduction in operational costs
  • Integrated multiple payment providers
  • Simplified maintenance through standardization

Automated SIP System

Automation Python MySQL

Developed an end-to-end automated SIP (Systematic Investment Plan) debit processing system. Enabled efficient fund collection through multiple banking partner channels.

Key Achievements:

  • Processed over 100K daily transactions
  • Reduced manual intervention by 95%
  • Automated reconciliation and reporting

E-NACH Integration

Integration Python API

Led third-party E-NACH mandate system integration, significantly reducing mandate approval TAT and delivering 50% faster SIP processing for enhanced user experience.

Key Achievements:

  • 50% faster SIP processing time
  • Reduced mandate approval time by 60%
  • Improved customer onboarding experience

Elasticsearch Search Engine

Search Python Elasticsearch

Engineered robust search capabilities through Elasticsearch integration, delivering high-performance search functionality for desktop platforms with advanced filtering options.

Key Achievements:

  • 95% faster search response time
  • Advanced faceted search capabilities
  • Improved content discovery and UX

WhatsApp Integration

Messaging Python API

Developed automated WhatsApp integration for efficient file transmission and broadcast management, optimizing communication channels and enabling mass messaging capabilities.

Key Achievements:

  • Automated delivery to thousands of users
  • Secure file transmission protocols
  • Comprehensive delivery analytics
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What People Say

Feedback from colleagues and clients I've worked with throughout my career

"Working with Karthik was an incredible experience. His technical expertise and leadership skills were instrumental in the success of our Mutual Fund payment infrastructure project. He has a unique ability to simplify complex problems and communicate technical concepts clearly."

RS

Rahul Sharma

Product Manager at Fisdom

"Karthik is one of the most talented backend engineers I've worked with. His microservices architecture for our payment gateway drastically reduced our operational costs and improved system reliability. He's also a great mentor to junior developers on the team."

AP

Ananya Patel

Engineering Director at Fisdom

"I had the pleasure of working with Karthik during the National Pension System project. His attention to detail and commitment to delivering high-quality code was impressive. The data migration was seamless, and he ensured we had zero downtime during the transition."

VK

Vikram Kumar

Senior Developer at Fisdom

"The Elasticsearch integration that Karthik developed at Karthavya Technologies transformed our platform's search capabilities. His technical expertise and innovative approach to problem-solving made a significant impact on our product's performance and user experience."

SC

Sunita Choudhary

CTO at Karthavya Technologies

"Karthik's implementation of the automated SIP debit processing system was a game-changer for our operations. The system's reliability and efficiency have significantly improved our user experience and reduced manual interventions. His thorough documentation also made it easy for other team members to maintain the system."

PM

Priya Mehta

Operations Manager at Fisdom

Get In Touch

Feel free to reach out for opportunities, collaborations, or just to say hello!

Contact Information

Email

karthik011192@gmail.com

I'll respond within 24 hours

Location

Bangalore, 560098

Karnataka, India

LinkedIn

linkedin.com/in/karthik-a-3b644ab0

Let's connect professionally

Availability

I'm currently open to new opportunities in backend engineering and technical leadership roles. Feel free to reach out to discuss potential collaborations.

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