Abhishek Kumar Sachan profile photo 1 on Tal

Abhishek Kumar Sachan

Serving Notice Period | Backend Developer | 4 YOE | Java, Spring Boot, Kafka, Microservices | Scalable Systems

Pune District

4+ years of work experience

Cognizant
Aug 20242 yrs 1 moPresent

Pune, Maharashtra, India

Kaiser Permanente 🔹 Built and optimized Spring Boot 3.x (Java 17) microservices to migrate a legacy Spring MVC monolith into a scalable, modular, and cloud-ready architecture. 🔹 Developed high-performance REST APIs integrated with Apigee Gateway and OAuth2, improving API response times through caching, indexing, and backend tuning. 🔹 real-time data processing workflows on Oracle 12c to efficiently handle 12.5M+ member records in a high-traffic healthcare environment. 🔹 Improved backend throughput by optimizing PL/SQL queries, refining transactions, and reducing latency under heavy concurrent user load. 🔹 Implemented CI/CD pipelines using GitHub Actions for automated build, testing, security scans, containerization, and deployment to Azure Kubernetes Service (AKS). 🔹 Designed containerized deployment workflows using Docker + AKS, ensuring seamless rollouts, efficient scaling, and zero-downtime releases. 🔹 Integrated role-based access control and secure authentication flows with OAuth2 and Apigee, strengthening system security and compliance for sensitive healthcare data. 🔹 Owned complete backend lifecycle: microservices architecture, development, production support, performance optimization, log monitoring, and defect resolution.
Cognizant
Aug 20222 yrsJul 2024

Noida, Uttar Pradesh, India

AMERICANA RESTAURANTS • Implemented microservices architecture using Spring boot and Kafka, Postgresql,Creating Rest API for Food delivery Service Which can handle multiple request by reducing response time . • Developed RESTful APIs to expose data from kafka (to get high throughput value ) to other microservices. • Collaborated with cross-functional teams to gather requirements and deliver robust data solutions. • Worked a cross-functional team in implementing a new feature(google map) using React(Leaflet Library) and Redux, resulting to show Store ocation, Driver Location , Google route on map • Implemented All Junit (Testing ) method for whole srvice and also implemented all geometry (polygon,line) function. • Optimized kafka cluster performance and managed kafka brokers,topics and partitio
SakRobotix Lab
Feb 20215 mosJun 2021

Bhubaneshwar, Orissa, India

I have worked in Smart assistance project. It can send and receive message, mail, photo etc. It can be used with 20 different languages with responses and speech-to-text translation. Using various technology like- Google Dialogeflow and for storing the data -java script and npm package. This is connected through facebook, whatsapp, telegram,twitter and other platform. It works 24 hours in online without requiring any person. It can be used for startup and small business.

Abhishek’s AI Stack

github copilot
github copilot

Education

Indian institute of information technology una

Bachelor's degree, Electrical, Electronics and Communications Engineering

Indian institute of information technology una

20184 yrs2022

XII, pcm

M d b l inter college kanpur nagar

20161 yr2017

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Headline

Serving Notice Period | Backend Developer | 4 YOE | Java, Spring Boot, Kafka, Microservices | Scalable Systems

About

Backend Developer with 4+ years of experience building scalable microservices and interactive web applications using Java, Spring Boot, Kafka, and React. At Cognizant, I work on enterprise healthcare systems serving 12M+ users, focusing on microservices architecture, API performance optimization, and secure data handling using OAuth2 and Apigee. I have experience delivering end-to-end features across backend and frontend layers, with a strong interest in distributed systems, system design, and high-performance applications. Open to backend and full stack opportunities in product-based companies and high-growth startups. Tech Stack: Java 17 • Spring Boot • Microservices • Spring Cloud • Kafka • REST API • Oracle • PostgreSQL • Docker • Kubernetes • Apigee • OAuth2 • JWT • CI/CD • GitHub Actions • React • Distributed Systems Competitive Programming: 🚀 HackerRank(Rated 5 Star) 🚀 LeetCode Portfolio:https://portfolio-8eb64.web.app/

Location

Pune District

AI stack

github copilot

Work experience

Software Developer at Cognizant, Aug 2024 - Present · 2 yrs 1 mo, Pune, Maharashtra, India, Kaiser Permanente 🔹 Built and optimized Spring Boot 3.x (Java 17) microservices to migrate a legacy Spring MVC monolith into a scalable, modular, and cloud-ready architecture. 🔹 Developed high-performance REST APIs integrated with Apigee Gateway and OAuth2, improving API response times through caching, indexing, and backend tuning. 🔹 real-time data processing workflows on Oracle 12c to efficiently handle 12.5M+ member records in a high-traffic healthcare environment. 🔹 Improved backend throughput by optimizing PL/SQL queries, refining transactions, and reducing latency under heavy concurrent user load. 🔹 Implemented CI/CD pipelines using GitHub Actions for automated build, testing, security scans, containerization, and deployment to Azure Kubernetes Service (AKS). 🔹 Designed containerized deployment workflows using Docker + AKS, ensuring seamless rollouts, efficient scaling, and zero-downtime releases. 🔹 Integrated role-based access control and secure authentication flows with OAuth2 and Apigee, strengthening system security and compliance for sensitive healthcare data. 🔹 Owned complete backend lifecycle: microservices architecture, development, production support, performance optimization, log monitoring, and defect resolution.

Software Engineer at Cognizant, Aug 2022 - Jul 2024 · 2 yrs, Noida, Uttar Pradesh, India, AMERICANA RESTAURANTS • Implemented microservices architecture using Spring boot and Kafka, Postgresql,Creating Rest API for Food delivery Service Which can handle multiple request by reducing response time . • Developed RESTful APIs to expose data from kafka (to get high throughput value ) to other microservices. • Collaborated with cross-functional teams to gather requirements and deliver robust data solutions. • Worked a cross-functional team in implementing a new feature(google map) using React(Leaflet Library) and Redux, resulting to show Store ocation, Driver Location , Google route on map • Implemented All Junit (Testing ) method for whole srvice and also implemented all geometry (polygon,line) function. • Optimized kafka cluster performance and managed kafka brokers,topics and partitio

Software Developer Internship at SakRobotix Lab, Feb 2021 - Jun 2021 · 5 mos, Bhubaneshwar, Orissa, India, I have worked in Smart assistance project. It can send and receive message, mail, photo etc. It can be used with 20 different languages with responses and speech-to-text translation. Using various technology like- Google Dialogeflow and for storing the data -java script and npm package. This is connected through facebook, whatsapp, telegram,twitter and other platform. It works 24 hours in online without requiring any person. It can be used for startup and small business.

Education

Bachelor's degree, Electrical, Electronics and Communications Engineering, Indian institute of information technology una

XII, pcm, M d b l inter college kanpur nagar