Software Engineer, Full-stack Developer

Sajana Wijesinghe

508-***-**** *************@*****.*** linkedin.com/in/sajana-wijesinghe github.com/StormKing969 https://sajana-wijesinghe-portfolio-v4.netlify.app Software Engineer

Versatile and impact-driven software engineer with deep expertise in Java, distributed systems, and modern frontend development using React, TypeScript, and Bootstrap. Skilled in designing scalable architectures, optimizing legacy codebases, and leading initiatives in secure access control and event-driven systems. Passionate about building resilient, user-centered applications that solve real-world problems—especially at the intersection of AI, system design, and cloud-native technologies. Strong communicator and proactive collaborator, with a focus on continuous learning and responsible engineering.

Skills

Programming Languages:

● Frontend: JavaScript, React, TypeScript, HTML, CSS, GraphQL, jQuery, Responsive Design, Mobile Compatibility, Modern

● Backend: Java, Spring Boot, Python, C#

● Database: SQL, PostgreSQL, Appwrite, MongoDB

Tools & Frameworks:

● Spring Boot 3, Kafka, Node.js, GitHub Copilot, ChatGPT, Bootstrap, TailwindCSS Platforms & IDEs:

● Linux, Unix, Windows IntelliJ, Sublime Text.

Cloud & DevOps:

● AWS (in progress), API development and integration. Soft Skills:

● Curiosity, Communication, Adaptability, Critical Thinking, Problem Solving, Collaboration, Teamwork Professional Experience

General Motors Inc.2022 – 2025

Software Engineer

● Spearheaded UI modernization using React, TypeScript, and Bootstrap to enhance accessibility, maintainability, and performance optimization.

● Strengthened enterprise security by optimizing access control and authentication APIs, mitigating risks, and improving protection against threats.

● Designed and implemented role-based access control (RBAC) for improved scalability and security compliance.

● Led Kafka messaging system development, optimizing event-driven architecture and improving message processing efficiency across distributed applications.

● Refactored legacy components and tightened performance bottlenecks, accelerating load times and reducing resource consumption across mission-critical web interfaces.

● Incorporated GitHub Copilot and ChatGPT into development workflows to generate JavaDocs, unit tests, and technical documentation, enhancing development speed and quality.

● Conducted backward compatibility assessments, ensuring seamless integration of new features while preserving system stability.

● Led code reviews, architectural discussions, and approval processes, shaping technical direction and maintaining development standards.

● Authored detailed technical stories, defining structured development roadmaps for engineers to execute effectively.

Sajana Wijesinghe *************@*****.***

Page 2

CVS Health 2020 - 2022

Operations Supervisor

● Managed daily store operations, ensuring financial accuracy and adherence to regulatory compliance.

● Conducted proactive staffing and inventory assessments, optimizing workflows for efficiency and improved customer satisfaction.

● Resolved customer concerns through team-driven problem-solving, fostering a positive environment aligned with company objectives.

Verbotics Al 2020

Project Leader & Frontend Developer

● Led a modernization initiative for IT infrastructure, assessing medical usage metrics and defining access control improvements.

● Designed and implemented AI-powered search functionality, improving efficiency in information retrieval.

● Directed project execution through effective delegation, delivering a comprehensive proposal, prototype, and stakeholder presentation for approval and implementation. Education

Bachelor of Science Computer Science

University of Massachusetts Boston

Udemy Certifications

● AWS Certified Solutions Architect Associate (SAA-C03) (In Progress)

● Full-stack Developer Course (Completed)

Leadership & Additional Experience

● General Motors

● Knowledge Expert on Kafka (VOM Team)

● GM Soccer League Chair

● Jump Start Committee Lead

● Publications & Projects

● Crime Forecasting System: Developed predictive analytics models using Linear Discriminant Analysis

(CSM Showcase)

● Mass Housing Project: Engineered a tenant classification program optimizing rent payment processing.

Contact this candidate