Angelos Konstantilieris

Full Stack Engineer

Greece2 yrs 4 mos experience
Most Likely To Switch

Key Highlights

  • Expert in building scalable applications with TypeScript.
  • Proficient in integrating complex back-end systems.
  • Strong focus on performance optimization and clean architecture.
Stackforce AI infers this person is a Full-Stack Developer specializing in SaaS solutions with a focus on scalable applications.

Contact

Skills

Core Skills

ReactJavascriptApplication DevelopmentWorkflow Management

Other Skills

BootstrapIonicNode.jsTypeScriptSequelizePostgreSQLGraphQLAWSDHTMLXApollo GraphQLAmazon Web Services (AWS)Ionic FrameworkBig DataReact NativeFirebase

About

Full-stack TypeScript developer building CRMs, booking systems, and multi-tenant platforms. I work across React, Next.js, Node.js, and NestJS to create scalable, intuitive applications with clean architecture and real-world reliability. My focus is turning complex requirements into simple, high-performing software.

Experience

Lgmar software

Fullstack Typescript Developer

Nov 2025Present · 5 mos · Athens, Attiki, Greece

  • I work as a Full-Stack TypeScript Developer at LG-MAR, building and maintaining OMNi, a multi-tenant enterprise email and communication platform used by maritime clients to manage operational correspondence at scale.
  • Within OMNi, I am responsible for the design and implementation of the OMNi AI Assistant — an agentic system that helps users navigate, understand, and act on large volumes of maritime email data efficiently and safely.
ReactJavaScript

Freelance (self employed)

Full Stack Engineer

Jan 2025Present · 1 yr 3 mos

Motion hellas ltd.

Full-stack Developer

Dec 2024Oct 2025 · 10 mos · Athens, Attiki, Greece · Hybrid

  • Motion Hellas
  • December 2024 – Present
  • Developing Scalable Solutions: Design and implement robust, scalable web applications for managing building systems, leveraging advanced technologies like React, Bootstrap, and Ionic for intuitive, responsive front-end interfaces.
  • End-to-End Development: Build and maintain comprehensive solutions, integrating back-end systems with Sequelize, PostgreSQL, and TypeScript, ensuring data consistency and efficient workflows.
  • API and GraphQL Integration: Develop and integrate GraphQL APIs using Apollo Client to enable efficient data querying and seamless interaction between front-end and back-end systems.
  • Cloud Infrastructure: Utilize Amazon Web Services (AWS) for deploying and scaling applications, ensuring reliability and performance under varying workloads.
  • Globalization and Localization: Implement multi-language support using i18next to deliver applications tailored to diverse user bases.
  • Performance Optimization: Focus on optimizing application performance by utilizing tools such as React Table for efficient data display and Lodash for streamlined operations.
  • Automation and CI/CD: Manage deployment pipelines with Serverless Framework, automating build and deployment processes for both development and production environments.
  • Code Quality and Collaboration: Ensure high code quality by adhering to best practices in ESLint, Prettier, and type-safe development with TypeScript, while participating in collaborative reviews and agile workflows.
  • Technologies and Tools:
  • Front-End: React, Bootstrap, Ionic, Styled-Components, React Icons
  • Back-End: Node.js, TypeScript, Sequelize, PostgreSQL, GraphQL
  • APIs: Apollo Client, REST, GraphQL
  • DevOps and CI/CD: AWS, Serverless Framework, CloudFront, S3
  • Utilities and Libraries: Lodash, ExcelJS, Axios, Formik, Moment.js, React Toastify
Application DevelopmentWorkflow Management

Bank of greece

System Administrator

Jun 2019Jun 2020 · 1 yr · Athens, Attiki, Greece · On-site

  • System Administrator Intern ,IT Department

Education

University of Piraeus

Bachelor's degree

Sep 2019Sep 2024

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