Saran Karthik M profile photo 1 on Tal

Saran Karthik M

Senior Software Engineer | Backend Engineer | Laravel | Node.js | Distributed Systems | Microservices | AWS Certified Developer Associate

Madurai South

3+ years of work experience

My Digital
Apr 20267 mosOct 2026

Chennai

Led backend solution design and code reviews; mentored 2-3 engineers and set service design, REST API and full-stack standards for the team. Standardized REST API contracts across payroll, reporting and workforce-management services for consistent integration across reusable modules. Cut payroll report generation time from 20s to 10s for bulk runs of 1,000+ employees, replacing JSON-column expansion with generated columns and composite indexes (designed with the DBA). Fixed a bug where one API call could trigger payroll twice and create duplicate payslips, by centralizing the trigger into a single post-completion function with a guard flag. Proposed a post-commit “payroll approved” SNS event fanning out to separate SQS queues (background tasks and business logic), with idem potency checks and DLQ retries, fixing a production race caused by inter-service calls inside open transactions. Led root-cause analysis of production incidents (concurrency, data isolation, database performance, async processing) and drove corrective actions.
My Digital
Sep 20232 yrs 7 mosMar 2026

Chennai

Co-developed ~80% of the services of a greenfield enterprise payroll platform over 2.5 years, covering backend services, REST APIs and production deployments while following company and industry standards. Built an SES, SNS, SQS and Lambda bounce-tracking pipeline using SES message tags, so payrollers see bounced employee emails on screen and fix addresses themselves, cutting “email not received” tickets from about 50 to under 5. Designed payroll and workflow orchestration micro services for 1,000+ employees, using queues and asynchronous processing to improve scalability. Collaborated with Product and QA in Agile sprints and code reviews.
My Digital
Jan 20238 mosAug 2023

Chennai

Built the MVP platform integrating backend and frontend modules for payroll processing using Node.js, Laravel and MySQL.

Saran’s AI Stack

claude code
claude code
ChatGPT
ChatGPT

Education

sastra university

Bachelor of Technology, Computer Science

sastra university

Higher Secondary Education

Maharishi International Residential School

20181 yr2019

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Saran Karthik M on Tal

Headline

Senior Software Engineer | Backend Engineer | Laravel | Node.js | Distributed Systems | Microservices | AWS Certified Developer Associate

About

Senior Software Engineer with 3+ years of experience designing and building distributed backend systems powering payroll, reporting, and workflow platforms serving 1000+ employees. Experienced in micro services, event-driven architectures, AWS services, asynchronous processing, and performance optimisation. Passionate about solving complex production challenges, building scalable backend platforms, and designing reliable distributed systems. Currently expanding my backend expertise with Java and Spring Boot while continuing to build cloud-native applications.

Location

Madurai South

AI stack

claude code

ChatGPT

Work experience

Senior Software Engineer at My Digital, Apr 2026 - Oct 2026 · 7 mos, Chennai, Led backend solution design and code reviews; mentored 2-3 engineers and set service design, REST API and full-stack standards for the team. Standardized REST API contracts across payroll, reporting and workforce-management services for consistent integration across reusable modules. Cut payroll report generation time from 20s to 10s for bulk runs of 1,000+ employees, replacing JSON-column expansion with generated columns and composite indexes (designed with the DBA). Fixed a bug where one API call could trigger payroll twice and create duplicate payslips, by centralizing the trigger into a single post-completion function with a guard flag. Proposed a post-commit “payroll approved” SNS event fanning out to separate SQS queues (background tasks and business logic), with idem potency checks and DLQ retries, fixing a production race caused by inter-service calls inside open transactions. Led root-cause analysis of production incidents (concurrency, data isolation, database performance, async processing) and drove corrective actions.

Software Engineer at My Digital, Sep 2023 - Mar 2026 · 2 yrs 7 mos, Chennai, Co-developed ~80% of the services of a greenfield enterprise payroll platform over 2.5 years, covering backend services, REST APIs and production deployments while following company and industry standards. Built an SES, SNS, SQS and Lambda bounce-tracking pipeline using SES message tags, so payrollers see bounced employee emails on screen and fix addresses themselves, cutting “email not received” tickets from about 50 to under 5. Designed payroll and workflow orchestration micro services for 1,000+ employees, using queues and asynchronous processing to improve scalability. Collaborated with Product and QA in Agile sprints and code reviews.

Intern at My Digital, Jan 2023 - Aug 2023 · 8 mos, Chennai, Built the MVP platform integrating backend and frontend modules for payroll processing using Node.js, Laravel and MySQL.

Education

Bachelor of Technology, Computer Science, sastra university

Higher Secondary Education, Maharishi International Residential School