M c L a r e n

My Expertise

What I Offer

Frontend Development

Frontend Development

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

  • ReactJS, Redux
  • Java, JavaScript (ES6+), TypeScript,
  • Angular, Bootstrap, jQuery
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, JDBC
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, CI/CD Pipelines
Cloud & DevOps

About Me

Welcome to My Portfolio

Hi there, I’m Gulcin Saran McLaren, a passionate Java Backend Engineer with 7+ years of experience designing, developing, and optimizing scalable and secure microservices using Java 17, Spring Boot, and Spring Cloud. I have delivered high-impact backend solutions across Shopping Cart, Finance, and Customer Preference platforms, contributing to system architecture, domain modeling, and platform modernization initiatives.

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My Skills

Technical Skills

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ReactJS

95%

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NodeJS

90%

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TypeScript

85%

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SQL

80%

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AngularJS

75%

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Docker

85%

Backend Development

Microservices Architecture

Cloud Computing

Enterprise Integration

Agile & DevOps

CI/CD Pipelines

System Design

API Development

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Introduce the story of my Educational and Career Journey

  • Jul 2025 – Present
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    Senior Java Developer

    Verizon – Miami, FL, USA

    At Verizon, I led the Shopping Cart domain, building reactive Spring Boot (Java 17) microservices using Mono/Flux. Delivered end-to-end cart flows, Glow Finance integrations, and Customer Preferences services. Coordinated onshore/offshore teams, contributed to DDD architecture, and improved system reliability with Cassandra, PostgreSQL, Oracle. Ensured security (42Crunch), CI/CD (Jenkins), Docker–Kubernetes deployments, and implemented ELK logging, tracing, and high-coverage testing (JUnit, Mockito, StepVerifier).

  • Nov 2023 – Jun 2025
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    Full Stack Java Developer

    Foster Made – Richmond, VA, USA

    Developed a finance application with Java, Spring Boot, Hibernate, PostgreSQL, and microservices. Built REST APIs, enabled inter-service calls via Feign Client, and implemented event-driven flows using Kafka. Created Angular dashboards with NgRx, secured apps using JWT & OAuth2, and deployed microservices on AWS with Docker & Kubernetes. Ensured quality through JUnit5, Mockito, Jasmine, and Karma.

  • Apr 2018 – Aug 2023
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    Java Full Stack Developer

    Municipality of Bornova – Turkey

    Built E-Governance and Digital Class microservices using Java, Spring Boot, Kafka. Designed REST APIs, integrated PostgreSQL, MongoDB, Oracle, Cassandra, and created UIs with React, Angular, JavaFX. Deployed apps on AWS (EC2, ECR, RDS) and implemented event-driven workflows via Kafka, Terraform, and Hadoop, with monitoring through ELK.

  • Apr 2013 – Apr 2018
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    Data Management Specialist / Project Manager

    Municipality of Bornova – Turkey

    Led data pipeline development with Hadoop and ETL workflows, improving processing by 30%. Managed project plans, risks, and delivery. Engineered backend optimizations using Java, achieving a 40% performance improvement in government systems.

  • Jul 2010 – Sep 2011
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    Customer Service Representative

    Yapi Kredi Bank – Turkey

    Handled account inquiries, loans, credit cards, and transaction issues using the Pelikan banking system. Supported fraud cases, managed card replacements, and ensured high-quality customer service and operational accuracy.

  • 2022

    AA in Safety and Health Technology

    Anadolu University

    Turkey

    Studied workplace safety, risk management, emergency response, and health regulations with a focus on modern safety practices and compliance.

  • 2019

    AS in Web Design and Coding

    Anadolu University

    Turkey

    Gained skills in web development, UI design, HTML, CSS, JavaScript, and content management systems, creating responsive and user-friendly web interfaces.

  • 2017

    MA in Global Governance and Politics

    Katip Celebi University

    Turkey

    Focused on international relations, global governance systems, public policy, and political analysis, with research tied to global administrative structures.

  • 2010

    BA in Finance

    Karadeniz Technical University

    Turkey

    Studied financial management, accounting, economics, and investment principles, applying analytical methods to financial decision-making and budgeting.

Portfolio

My Recent Works

View All Projects
Fintech Dashboard
Full Stack Development, 2024

Fintech Dashboard & Real-Time Transactions

Authentication System
Backend Development, 2024

Secure Authentication with JWT & OAuth

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.

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

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

Let’s work together!