Baros Akriovs Jiang

Greece/Kavala

EnglishCantonese

Baros Akriovs Jiang

Software Engineer

Baros is a software engineer with a passion for transforming complex challenges into simple, elegant code solutions. His work spans digital interfaces, interactive experiences, and the convergence of frontend and backend.

Work Experience

DFX5

05/2025 – 10/2025

Mobile Application Architect

Queretaro, Mexico | Remote

  • Architected AI-powered SaaS workflows using Python, FastAPI, Node.js, NestJS, and OpenAI APIs for enterprise automation.
  • Designed distributed REST and GraphQL APIs and orchestration pipelines that improved high-volume job throughput by 35%.
  • Owned delivery from requirements and architecture through production.
  • Mentored engineers across 2 development squads through architecture and design reviews.

Allcalls Technologies LLC

04/2024 – 05/2025

Senior Full Stack Developer

Sheridan, Wyoming, United States | Remote

  • Architected and developed a multi-tenant SaaS platform using Laravel, Vue 3, and TypeScript, improving feature delivery speed by 25%.
  • Delivered 18 REST API endpoints integrating payments, notifications, PostgreSQL, Redis, and third-party services.
  • Implemented authentication and authorization using JWT, OAuth 2.0, and Laravel Sanctum, reducing unauthorized-access incidents by 35%.
  • Automated PHPUnit and Jest testing for critical checkout and authentication workflows, reducing production incidents by 30%.
  • Worked remotely for a US-based company, collaborating in a distributed engineering environment.

Toolla Inc

2022 - 2025

Full-Stack Engineer

  • Led end-to-end development of custom web and mobile applications for international clients in cybersecurity, fintech, and healthcare, delivering projects on time and 10-20% under budget using Agile/Scrum methodologies
  • Architected and implemented scalable full-stack solutions with React/Next.js/TypeScript or Angular 16+ (frontend), Node.js/Express or NestJS (backend), PostgreSQL/MongoDB, resulting in 40% faster page loads and handling 10,000+ daily users for high-traffic client platforms
  • Developed cross-platform mobile applications using React Native (Expo) + TypeScript + Redux / MobX for state management, integrated with REST/GraphQL APIs, enabling clients to launch iOS & Android apps simultaneously and increasing user engagement by 25-35%
  • Collaborated directly with clients and stakeholders to gather requirements, design system architecture, and iterate on features — reduced scope creep and delivered 95% client satisfaction ratings across multiple projects
  • Delivered a React Native-based virtual card mobile app for a fintech client, achieving 4.8-star ratings on App/Play Store with 100,000+ downloads

Molequle GmbH

2021 - 2022

Senior Frontend Developer

  • Led frontend architecture and implementation of a next-generation SaaS Customer Data & Experience Platform (CDXP) built with Next.js 12, TypeScript, and styled-components, delivering a highly performant, responsive, and pixel-perfect user experience that closely followed designer-provided specifications and company brand guidelines
  • Architected and delivered production-ready browser extensions for Chrome and Firefox using React, TypeScript, and Tailwind CSS, implementing complex content scripts, background/service workers, popup and options UIs while ensuring consistent behavior and excellent cross-browser compatibility.
  • Built robust, state-synchronized UI components (popups, options pages, overlay interfaces) leveraging React Query (TanStack Query) for efficient data fetching, caching, optimistic updates, and real-time background synchronization — resulting in smooth, tab-consistent user experiences.
  • Engineered scalable, data-intensive frontend interfaces including client dashboards, analytics modules, profile views, and reporting features, utilizing modern patterns with React Query + TypeScript to achieve excellent performance and maintainable state management.

Education

Aristotle University of Thessaloniki

Bachelor in Information Technology, Computer Science, 2012 - 2016

Core Technical Skills

Frontend

ReactNext.jsTypeScriptJavaScriptVue.jsAngularHTML5CSS3Tailwind CSS

Backend

Node.jsExpress.jsNest.jsPythonDjangoFast APILaravelPHPJavaSpring Boot

APIs & Architecture

REST APIsGraphQLSOAPMicroservicesJWTOAuth 2.0Laravel SanctumDistributed Systems

Databases

PostgreSQLMySQLMongoDBRedis

Cloud & DevOps

AWSDockerGitHub ActionsCI/CDGit

Testing & Quality

JestPHPUnitPostmanAutomated TestingCode Review

AI & Automation

OpenAI APIsRAGn8nAI-powered workflowsAPI integrations

Leadership

Technical ArchitectureEngineering LeadershipMentoringHiringAgile/ScrumJiraStakeholder Management