← Back to portfolio

Digvej

Software Development Engineer · Java / Spring Boot Backend Developer

sdigvej.07@gmail.comgithub.com/logicbuilder7LinkedIn: digvej-chaudharyHaryana, India

Education

B.Tech — Bachelor of Technology in Computer Science and Engineering

2023 – 2027 · 8.27 / 10 CGPA

University Institute of Engineering and Technology, Rohtak

Final year · Pursuing

Class XII — Senior Secondary

2021 · 95.6%

Yaduvanshi Shiksha Niketan, Mahendergarh

Physics, Chemistry, Mathematics (PCM)

Class X — Secondary

2019 · 94.6%

Adarsh High School, Charkhi Dadri

Technical skills

Backend engineering: Java, Spring Boot, Spring Security, REST APIs, JWT, JPA / Hibernate

Databases & DevOps: PostgreSQL, SQL, MongoDB, MySQL, Docker, Git / GitHub, GitHub Actions, CI/CD, Linux, Postman

Frontend & full stack: TypeScript, JavaScript, React, Node.js, Express, HTML, CSS

Computer science: Data Structures & Algorithms, OOP, DBMS, Operating Systems, Computer Networks

Data & programming: Python, C++, Power Query (M), Power BI, Pandas, NumPy

Internship experience

Siemens Healthineers

Jul – Aug 2026

Technology Excellence Development Center Intern · Molecular Imaging · Bengaluru

View Certificate

  • Developed reusable Power Query (M) ETL workflows to extract, transform and validate JSON and tabular data.
  • Applied multi-stage data cleaning and modeling to prepare consistent datasets for downstream business intelligence analysis.
  • Designed interactive Power BI KPI dashboards and collaborated with the Molecular Imaging team on validation, debugging and reporting.

IBM SkillsBuild (CSRBOX)

Jun – Aug 2024

Frontend Web Development Intern · Frontend web development

View Certificate

  • Built and debugged responsive interfaces with HTML, CSS and JavaScript.
  • Applied cross-device layouts and frontend testing to support consistent interface behavior.

Software projects

LoanFlow Enterprise — Loan management system

View GitHub Repository

Java 21 · Spring Boot 3 · Spring Security · JWT Authentication · PostgreSQL · JPA / Hibernate · REST APIs · React · TypeScript · Docker · GitHub Actions

  • Stateless JWT login with ADMIN and LOAN_OFFICER role claims, and Spring Security authentication for protected API routes.
  • Validated customer CRUD operations and loan workflows backed by PostgreSQL and Spring Data JPA.
  • Docker configuration and GitHub Actions build CI, with Swagger API documentation.

JobConnect ATS — Applicant tracking system

View GitHub Repository

Node.js · Express · MongoDB · React · Tailwind CSS · JWT · REST APIs

  • JWT login and session validation, with Candidate, Coordinator, Recruiter and Employer roles represented in the user model and interface.
  • Job posting and application APIs use MongoDB persistence, Mongoose validation, screening questions, answers and candidate feedback.
  • Defined applicant statuses support screening and recruitment tracking workflows.

ShopSphere — E-commerce platform

View GitHub Repository

TypeScript · React · Node.js · Express · MongoDB · Stripe · Cloudinary · JWT · Docker

  • JWT access tokens and refresh-token rotation with HTTP-only cookies; admin authorization on protected management routes.
  • Stripe checkout with stock checks and signature-verified webhook handling.
  • Rate limiting, Helmet security headers and Cloudinary uploads, with Docker configuration.

Scholarships & achievements

Training & certifications