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Sathish Kumar

Sathish Kumar

Principle Software Engineer

Chennai, Tamil Nadu, India 9+ yrs exp 90 ยท Outstanding

About

Full Stack Engineer with 9+ years of experience designing, developing, and deploying scalable web applications, microservices, and cloud-based platforms across financial technology, education, and enterprise environments. Strong expertise in Java, Spring Boot, Python, FastAPI, React, TypeScript, PostgreSQL, and AWS, with hands-on experience building REST APIs, distributed systems, real-time data pipelines, and AI-powered applications. Experienced in LLM/RAG, vector databases, Kafka, Airflow, Spark, Docker, Kubernetes, Terraform, and CI/CD, with a track record of improving application performance, scalability, deployment efficiency, and reliability. Skilled across the full software development lifecycle, including system design, backend and frontend development, cloud infrastructure, automated testing, DevOps, and production support.

Skills & Expertise (86)

Python Advanced
9.0/10
10
Years Exp
AWS Advanced
9.0/10
10
Years Exp
JavaScript Advanced
8.5/10
10
Years Exp
Typescript Advanced
8.5/10
5
Years Exp
React.js Advanced
8.5/10
5
Years Exp
SQL Advanced
8.0/10
10
Years Exp
Microservices Advanced
8.0/10
6
Years Exp
Terraform Advanced
8.0/10
5
Years Exp
Kubernetes Advanced
8.0/10
6
Years Exp
Docker Advanced
8.0/10
6
Years Exp
GraphQL Intermediate
7.5/10
3
Years Exp
Hugging Face LlamaIndex Hibernate Design Patterns OpenAI APIs REST APIs Node.js FastAPI Spring Cloud Prompt Engineering Embeddings Vector Databases Spring Boot OpenTelemetry ELK Stack Grafana Prometheus Postman System Design Scrum Agile Gradle Maven Jira GitHub Git REST Assured JPA Selenium Playwright Pytest Mockito JUnit 5 MongoDb MySql Postgresql CloudWatch Spring Security Flutter React Native Nginx LINUX GitHub Actions Jenkins Azure IAM OAuth 2.0 API Gateway DynamoDB RDS S3 Lambda EKS ECS EC2 ES6+ Apache Kafka AI Agents RAG LLMs Data Pipelines ELT ETL Redis Apache Airflow Apache Spark LangChain CSS3 HTML5 Tailwind CSS Redux Toolkit Next.js API Security RBAC JWT

Work Experience

Full Stack Engineer (Contract)

Novatrade

Sep 2025 - Jun 2026

Built an AI-powered financial analytics platform using Python, FastAPI, React, TypeScript, PostgreSQL, and AWS, supporting 10K+ daily data records and reducing API response time by 35%. Developed LLM/RAG solutions using embeddings, vector databases, semantic search, and AI agents, improving information retrieval efficiency by 40%. Created real-time data pipelines using Kafka, Airflow, Spark, Python, and SQL, reducing data-processing time by 45%. Containerized microservices with Docker/Kubernetes and provisioned AWS infrastructure using Terraform, achieving 99.9% service availability. Automated build, testing, and deployment through GitHub Actions/Jenkins CI/CD, reducing deployment time by 60%.

Full Stack Developer

LearnWithSocrates

Jul 2020 - Sep 2025

Developed a cloud-based education platform using Java, Spring Boot, React, TypeScript, PostgreSQL, and AWS, supporting 50K+ users and high-volume learning workflows. Designed 20+ REST APIs and microservices using Spring Boot, JPA/Hibernate, Spring Security, JWT, and OAuth 2.0, improving backend performance by 30%. Built responsive React/TypeScript interfaces and optimized frontend/API integration, reducing average page-load time by 35%. Implemented data workflows using Python, SQL, Kafka, Airflow, and Spark, processing 1M+ application events per month for analytics and reporting. Deployed services using AWS, Docker, Kubernetes, and Terraform and automated releases with Jenkins/GitHub Actions, reducing deployment effort by 50%. Built automated Selenium/Playwright and API tests, increasing regression coverage to 85% and reducing production defects by 30%.

Full Stack Engineer

Tech Mahindra

Aug 2016 - Jun 2020

Developed enterprise applications using Java, Spring Boot, Spring MVC, Hibernate/JPA, React, JavaScript, and SQL, supporting 20K+ business users. Designed and integrated 15+ REST APIs for customer, workflow, reporting, and enterprise integration services. Optimized Java services and SQL queries, improving application response time by 25% and reducing database processing overhead. Supported migration from monolithic modules to REST-based microservices, improving application scalability and maintainability by 30%. Implemented JUnit, Mockito, Selenium, Jenkins, and Git-based CI/CD, reducing regression testing effort by 40%. Supported Linux/AWS/Docker deployments and resolved 100+ production issues, maintaining 99.5% application availability.

Education

Bachelor of Science in Computer Science - University of Mumbai

- 2016 ยท Afghanistan

Certifications

No certifications added yet

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Profile Score Breakdown

๐Ÿ“ท Photo 10/10
๐Ÿ“„ Resume 10/10
๐Ÿ’ผ Job Title 10/10
โœ๏ธ Bio 10/10
๐Ÿ› ๏ธ Skills 20/20
๐ŸŽ“ Education 10/10
โฑ๏ธ Experience 15/15
๐Ÿ’ฐ Rate 0/5
๐Ÿ† Certs 0/5
โœ… Verified 5/5
Total Score 90/100

Profile Overview

Member sinceSep 2026

Availability Details

Visa Status

Citizen

Relocation

Not Open to Relocation