I V A

My Expertise

What I Offer

Frontend Development

Frontend Development

Building responsive, user-centric interfaces using modern frameworks and libraries.

  • ReactJS, Redux, TypeScript
  • Material UI, Tailwind CSS, Bootstrap
  • Next.js, Chart.js, ECharts
Frontend Development
Backend Development

Backend Development

Developing secure, scalable, and high-performing backend services with API integration.

  • Node.js, Express.js, NestJS
  • REST APIs & WebSockets
  • Databases: PostgreSQL, MongoDB, MySQL, Redis
Backend Development
Cloud & DevOps

Cloud & DevOps

Deploying applications on cloud platforms with modern CI/CD practices.

  • AWS (EC2, S3, Lambda)
  • Docker, Jenkins, GitHub Actions
  • Netlify & Vercel Deployments
Cloud & DevOps

Professional Summary

Backend Java Developer

Hi, I’m Iva Lesperance, a backend-focused Java Developer with 3+ years of experience designing server-side architectures, REST APIs, and database-integrated applications. Proficient in Java, Spring Boot, Spring MVC, JDBC integration, and relational database design with PostgreSQL and MySQL. Experienced in API design, validation, exception handling, and delivering maintainable backend services with CI/CD, automated testing, and collaborative Agile workflows.

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Iva Lesperance

Technical Skills

Backend & Database Skills

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Java & Spring Boot

95%

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REST APIs & MVC

90%

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JDBC, SQL & Database Design

85%

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PostgreSQL / MySQL

80%

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CI/CD & DevOps Basics

75%

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Testing (JUnit, Postman)

85%

Java & Spring Boot

REST API Design

PostgreSQL & MySQL

Performance & Query Tuning

Agile & DevOps

CI/CD Pipelines

Testing (JUnit)

API Security & Auth

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Experience & Education

  • May 2022 – Present
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    Java Software Engineer

    Western Union — New Jersey, United States

    Designed and implemented backend components using Java and Spring Boot, building modular service layers and reusable business logic for enterprise-grade systems. Developed REST APIs with Spring MVC including route definitions, validation logic, structured JSON/XML responses, and consistent exception-handling patterns for backend reliability. Engineered relational database workflows using PostgreSQL including schema modeling, foreign-key relationships, indexing, optimized queries, and high-volume CRUD operations.

  • Jun 2021 – May 2022
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    Full-Stack Web Development Fellow

    CUNY Tech Prep — New York City Metropolitan Area

    Built backend-focused full-stack applications using Node.js, Express.js, React.js, and PostgreSQL, developing APIs, middleware logic, routing structures, and secure request flows aligned with industry standards. Designed PostgreSQL schemas, SQL queries, and data models connecting backend workflows to UI components while ensuring reliable CRUD operations and scalable data handling.

  • 2020 – May 2022

    Bachelor of Science – Computer Software Engineering

    CUNY New York City College of Technology

    Aug 2020 – May 2022

    Degree focused on software engineering fundamentals, Java, databases, and backend development practices.

  • 2018 – 2020

    Associate Degree – Computer and Information Systems / Computer Programming

    Kingsborough Community College

    2018 – 2020

    Coursework in programming, systems, and foundational computing topics.

Character Traits

Who I Am as a Professional

Problem Solver

Skilled at analyzing complex technical challenges and delivering efficient, scalable solutions across frontend and backend systems.

Collaborative

Experienced in Agile/Scrum environments, working closely with cross-functional teams to align business goals with technical execution.

Tech-Savvy

Proficient in modern frameworks, cloud platforms, and DevOps practices, always staying up-to-date with evolving technologies.

Performance Driven

Focused on building high-performance applications that optimize speed, security, and user experience for fintech and tech industries.

Detail Oriented

Ensures code quality through unit testing, responsive design, and cross-browser compatibility, delivering polished solutions.

Lifelong Learner

Continuously improving skills through hands-on projects, advanced education, and adapting to new technologies and best practices.

Portfolio

My Recent Works

View All Projects
Fintech Dashboard
Full Stack Development

Craigslist-Style E-Commerce Platform

Authentication System
Full Stack Project

React + Spring Framework Personal Project

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Hello👋 I'm available for backend freelance & full-time roles

Hire me now
  • Available for work - 40 Hours / Weekly
  • Active Status - Active

Let’s work together!