Welcome
I hope you have a great day

Hi, I'm

Stefan
Djordjevic

Software Developer | Frontend focused

Enjoying the development of software and continuously improving the craft, while leveraging modern AI tools as part of the development process.

Get in touch About me
Stefan Djordjevic
Scroll
About me

What do I love about being a developer?

Everyday challenges, whether simple or complex, help me learn something new that I can carry forward in my career. I value the opportunity to be creative with my own ideas, and I believe this is a field of the future as it is constantly evolving and improving, especially with the emergence of AI, which is pushing the boundaries of what was previously considered possible.

"Being relentless means demanding more of yourself than anyone else could ever demand of you." — Tim S. Grover
What I work with

Technologies & Tools

Technologies

HTML
CSS
SASS
JavaScript
Vue.js
Vuex
Vuetify
React.js
.NET Framework
C#
SQL
Python

Tools

Amazon CloudWatch
AWS Glue
AWS Lambda
Figma
GitHub
GitHub Desktop
JIRAissue tracking & Agile workflows
Claude CodeAI-assisted coding
Work History

Experience

Software Developer Backend-focused · Healthcare

Jul 2025 — Apr 2026 · 10 mos · Full-time

  • Developed backend services in Python for collecting, processing, and storing immunization data from multiple legacy state healthcare systems.
  • Ensured consistent transformation of diverse data formats into a unified structure.
  • Skills: Python, Anthropic Claude

Software Developer Frontend-focused · Fintech

Mar 2022 — Jul 2025 · 3 yrs 5 mos · Full-time

  • Refactored and optimized a large-scale frontend application, improving code quality, maintainability, and scalability.
  • Eliminated duplicated and unstructured code by introducing reusable, configurable components.
  • Designed and developed new UI features, from concept and component design to implementation.
  • Integrated third-party analytics libraries to track user behavior and application usage.
  • Implemented logic to prevent concurrent backend calculations, protecting the system from overload and ensuring application stability.
  • Developed UI features for tracking calculation progress to improve user experience.
  • Followed Agile development practices with daily code commits, pull request management, and code reviews to ensure high code quality.
  • Managed code integration across staging and QA environments, ensuring stable and reliable deployments.
  • Actively contributed to weekly production releases, including preparation, validation, and deployment support.
  • Designed and implemented complex financial reports using SQL Server Management Studio (SSMS), including Fee, Invoice, and Payout statements.
  • Optimized long-running stored procedures, significantly reducing execution time and improving system performance.
  • Investigated and resolved issues related to financial calculations (inception, termination, regular billing) across different billing cycles (monthly, quarterly, in advance, in arrears).
  • Monitored and debugged cloud-based processes using Amazon CloudWatch.
  • Worked with AWS Lambda and AWS Glue jobs to track and validate daily data import processes.

Internship — Software Developer

Nov 2021 — Dec 2021

  • Building single web app page in React environment.
  • Fetching data and presenting it to users.
  • Writing test units for multiple components and improving skill for hiding API keys. Sending data through the URL as params.

Front-End Web Developer

Jan 2020 — Jun 2021

  • Repairing web applications and working as technical support. Implementing new features to existing web applications.
  • Creating landing pages, SEO optimization.
  • Representing design for new webpages.
Let's talk

Get In Touch

My inbox is always open. Whether you have a question or just want to say hi, I'll try my best to get back to you!

GitHub LinkedIn djordjeviicstefan@gmail.com