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Software Engineer with 6+ years of experience building and operating secure, cloud-native backend systems and microservices using Java/Spring Boot, Kafka, REST APIs, and PostgreSQL on AWS. I enjoy scalable distributed systems, clean architecture, and AI-assisted software engineering to improve delivery and reliability. I’ve worked on business-critical applications including authentication/signing workflows (ISO 27001), Diameter protocol integrations for charging, and automation tools for build/license management. I also develop full-stack and mobile solutions, and I’m passionate about turning complex requirements into maintainable, production-ready systems.…Software Engineer with 6+ years of experience building and operating secure, cloud-native backend systems and microservices using Java/Spring Boot, Kafka, REST APIs, and PostgreSQL on AWS. I enjoy scalable distributed systems, clean architecture, and AI-assisted software engineering to improve delivery and reliability. I’ve worked on business-critical applications including authentication/signing workflows (ISO 27001), Diameter protocol integrations for charging, and automation tools for build/license management. I also develop full-stack and mobile solutions, and I’m passionate about turning complex requirements into maintainable, production-ready systems.

Zeriab Chiah

Software Engineer, Full Stack Developer, Back-End Developer, +2

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Software Engineer with 6+ years of experience building and operating secure, cloud-native backend systems and microservices using Java/Spring Boot, Kafka, REST APIs, and PostgreSQL on AWS. I enjoy scalable distributed systems, clean architecture, and AI-assisted software engineering to improve delivery and reliability. I’ve worked on business-critical applications including authentication/signing workflows (ISO 27001), Diameter protocol integrations for charging, and automation tools for build/license management. I also develop full-stack and mobile solutions, and I’m passionate about turning complex requirements into maintainable, production-ready systems.…Software Engineer with 6+ years of experience building and operating secure, cloud-native backend systems and microservices using Java/Spring Boot, Kafka, REST APIs, and PostgreSQL on AWS. I enjoy scalable distributed systems, clean architecture, and AI-assisted software engineering to improve delivery and reliability. I’ve worked on business-critical applications including authentication/signing workflows (ISO 27001), Diameter protocol integrations for charging, and automation tools for build/license management. I also develop full-stack and mobile solutions, and I’m passionate about turning complex requirements into maintainable, production-ready systems.

Available to hire

Software Engineer with 6+ years of experience building and operating secure, cloud-native backend systems and microservices using Java/Spring Boot, Kafka, REST APIs, and PostgreSQL on AWS. I enjoy scalable distributed systems, clean architecture, and AI-assisted software engineering to improve delivery and reliability.

I’ve worked on business-critical applications including authentication/signing workflows (ISO 27001), Diameter protocol integrations for charging, and automation tools for build/license management. I also develop full-stack and mobile solutions, and I’m passionate about turning complex requirements into maintainable, production-ready systems.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Beginner

Language

Arabic

Fluent

English

Advanced

Finnish

Intermediate

French

Intermediate

Work Experience

Independent Software Engineer at Personal Venture

January 1, 2025 - Present

Developed and operates a cloud-native microservices platform for Zcare App (mobile and backend). Designed backend services with an API layer and deployed the application for live access, focusing on maintainability, scalability, and production-like operation. Also continued building additional features and integrations for the product.

Software developer at Methics Oy

April 1, 2024 - January 1, 2025

Built secure REST APIs using Java, Spring Boot, and Hibernate/JPA for a digital signing platform aligned with ISO 27001. Implemented a custom Java library for the Diameter protocol to support charging. Developed internal automation tools with Vue.js/Node.js to streamline builds and manage licenses, improving engineering throughput and operational reliability.

Full Stack Developer Trainee at Integrify Oy

May 1, 2022 - October 1, 2022

Worked on full-stack features using TypeScript/React/Redux for the front end and Node.js/Express for the back end. Wrote and maintained unit/integration tests with Jest. Collaborated using GitHub and contributed to application development and feature delivery.

Software developer at EuroCarWash Oy

February 1, 2021 - November 1, 2021

Maintained and extended embedded/web products using Java, MySQL, AngularJS, JSP, and Struts2. Built a media management app and implemented automated contract renewal jobs to reduce manual operational work. Delivered ongoing enhancements and bug fixes for production systems.

Software developer / IT support (Tier 2) at New Information Technology (NIT) / Quick Service Company

January 1, 2009 - January 1, 2017

Developed dynamic web applications using PHP, JavaScript, HTML/CSS, and MySQL/Oracle. Performed network installation/configuration and troubleshooting (wired and wireless LANs). Provided Tier 2 application support for SoftPharm, a pharmacy management system used by 1,000+ pharmacies. Installed and upgraded hardware and operating systems and delivered remote and on-site customer support for business clients.