đź‘‹ Hi, I'm Marios Sofokleous

Computer Engineer & Senior Web Developer

I specialize in modernizing legacy IT infrastructure. I engineer highly secure, decoupled architectures that prioritize system stability, data privacy, and adherence to EU GDPR and WCAG accessibility best practices.

ABOUT ME

Engineering secure, scalable, and highly performant web systems

Stylized avatar of Marios Sofokleous, Computer Engineer & Senior Web Developer

With over 5.5 years of professional experience in custom CMS development and software architecture, I specialize in engineering secure, highly optimized web systems. My background as a Computer Engineer (BSc, University of Cyprus), alongside my pending professional registration with the Scientific and Technical Chamber of Cyprus (ETEK), provides a rigorous foundation in algorithmic logic and system architecture. Whether I am architecting headless web applications or integrating physical hardware and RF telemetry systems, this cross-domain discipline ensures every solution I build is robust and scalable.

Throughout my career across agency and enterprise environments, I have managed the full technical lifecycle of digital platforms. My hands-on experience ranges from maintaining municipal web infrastructure and architecting custom database schemas to engineering secure, real-time API data feeds. I have a proven track record of modernizing internal IT workflows through containerized environments and proactive technical documentation, ensuring that every system I deploy is stable, scalable, and fully supported.

Today, my focus is on digital modernization. I have transitioned from legacy monolithic architectures toward modern JavaScript and TypeScript ecosystems. I leverage frameworks like Next.js and Astro for their component-driven architecture and composability, drastically reducing development overhead. My core mandate is to deliver secure web applications that protect user privacy, achieve perfect Core Web Vitals, and follow best practices for GDPR compliance and accessibility.

TECHNICAL EXPERTISE

The modern stack for speed, system stability, and secure content operations

Languages TypeScript JavaScript (ES6+) Frontend React Next.js Astro Tailwind CSS Bootstrap shadcn/ui Accessibility (WCAG/A11y) GSAP Sass Figma Perf. & Stds. Technical SEO Core Web Vitals Lighthouse Google Tag Manager Consent Mode V2 Structured Data Data & CMS Strapi Decap CMS Headless WordPress Serverless Functions API Integrations Zod (Data Validation) DevOps & Infra Git/GitHub CI/CD Netlify Coolify Cloudflare Headless Systems SSR/ISR/SSG

PROFESSIONAL EXPERIENCE

Delivering scalable IT solutions across enterprise and agency sectors

  1. IronFX logo

    WordPress Developer

    IronFX

    Limassol, Cyprus

  2. Webmors logo

    Web Developer

    Webmors

    Remote

  3. Enigma Global logo

    WordPress Developer

    Enigma Global

    Paphos, Cyprus

INDEPENDENT ENGINEERING

Architecting decoupled web systems and open-source software

DevOps & infrastructure

Provisioned a self-hosted cloud server using Coolify to deploy full-stack environments and open-source tools, ensuring strict data sovereignty. The system integrates directly with Git repositories to enable automated, zero-downtime deployments across multiple production web applications.

Headless architecture

Engineered fully decoupled JAMstack websites utilizing API-driven Strapi and Git-based Decap CMS platforms. Built with Next.js and Astro, these architectures feature Static Site Generation, interaction-driven telemetry, and deep frontend optimizations achieving 0ms Total Blocking Time.

React & client-side apps

Developed robust Single-Page Applications that seamlessly integrate into legacy monolithic systems to bypass server-rendering constraints. These applications leverage client-side state management, frontend image processing, and serverless databases like Firebase to deliver secure, zero-latency user experiences.

Marketplace & open-source

Engineered custom themes and plugins for official CMS marketplaces that successfully passed strict public code-review standards. With over 500 active installations across WordPress and October CMS, these open-source extensions provide robust, highly customizable business solutions.

CASE STUDIES

Engineering scalable web applications, custom plugins, and secure digital platforms

GK Architects

A headless architectural portfolio engineered with Astro and Decap CMS. Achieved 0ms Total Blocking Time (TBT) and perfect Core Web Vitals while architecting robust, GDPR-compliant telemetry pipelines.

Read more, about GK Architects

Next.js, Strapi Portfolio Starter

A production-ready decoupled architecture leveraging Next.js and Strapi. Features Static Site Generation (SSG) and automated JSON-LD schemas to deliver lightning-fast load times and optimal search visibility.

Read more, about Next.js, Strapi Portfolio Starter

JobLister plugin

A React SPA engineered for WordPress to eliminate constant server round-trips. By fetching data through a single initial payload, it delivers instantaneous search, lag-free filtering, and seamless hash-routed navigation to secure application forms.

Read more, about JobLister plugin

Sentiero Luxury Villas

A privacy-first property landing page engineered for secure lead generation, featuring strict GDPR consent management, anti-spam protections, and interactive web components while maintaining elite 90+ PageSpeed scores.

Read more, about Sentiero Luxury Villas

PROFESSIONAL ENDORSEMENTS

What teams and stakeholders say about my work

Marios has been professional, collaborative, efficient, and honest. With strong technical knowledge and natural creativity, he helped us communicate our vision through a streamlined and attractive website.

— George Kalaitzides, Architect & Founder, GK Architects

A great professional, very hardworking and able to tackle any challenge on time. It was a great pleasure working with Marios. He is an amazing person, with top notch technical skills and experience in building beautiful highly responsive web applications. I wish we have the chance to work together in the nearest future Marios. I am sure you will thrive even more in the tech industry. Nowadays, is not so common to find professionals like you. All the best!

— Christophoros Demetriou, Product manager, IronFX

An expert in front-end web development with great attention to detail. We have worked together during several projects, and Marios has delivered beautiful and fully responsive UIs every time.

— Marios Kleanthous, CEO, Webmors

Having worked with Marios for almost a year as a fellow WordPress developer, I must say he instills positive energy in the team and is a true professional. What makes him stand out is his willingness to help others. I am impressed by his work ethic, communication skills and the fact that he easily adjusts to any given situation and can perform under pressure. I am glad to have worked with him!

— Pavlina Kyriacou, WordPress developer, IronFX

Marios is one of the most hardworking persons I had the pleasure of working with, always willing to go above and beyond to complete a project assigned to him.

— Marios Polyviou, PHP developer & online marketing manager, Enigma Global

LATEST POSTS

Sharing knowledge & technical insights

HARDWARE INTEGRATION & TELEMETRY

Bridging software configuration with physical electronic architecture

Beyond web architecture, I have engineered custom FPV quadcopters. As an EASA A1/A3 certified pilot registered with the Cyprus Department of Civil Aviation, I use this cross-domain discipline to seamlessly bridge precision hardware integration with software logic.

High-inertia cinematic platform

470g AUW4S 1300mAh2203.5 3550KV3x3x5 propsEMI shielded

Engineered a robust aerial platform optimized for carrying action-camera payloads while maintaining absolute environmental and structural resilience.

  • Power Architecture: Precision-soldered the electronics stack, deploying a FETtec Spike Absorber (TVS diodes) and low-ESR capacitors to safely clamp transient voltage spikes from high-draw brushless systems.
  • Signal & RF Integrity: Integrated an isolation shield between the 4-in-1 ESC and flight controller to protect the FC's sensitive components from electromagnetic interference (EMI).
  • Structural & Environmental Resilience: Chamfered and sealed carbon fiber edges with cyanoacrylate (CA) adhesive to prevent delamination. Applied silicone conformal coating, thermoplastic strain relief, and structural threadlocker to survive high-vibration and high-G impacts.

Sub-250g dual-profile platform

218g/248g AUW4S 750mAh1404 3700KVT3x2x3 propsDynamic profiles

Engineered a low-acoustic, sub-250g platform operating under strict spatial constraints, primarily optimized for ultra-quiet efficiency in urban environments.

  • Extreme Integration: Successfully packaged a Caddx Vista HD System, full-size DJI FPV camera, and TBS Crossfire Nano RX with a full-size Immortal T antenna into a micro-frame.
  • Precision Rework: Meticulously rewired salvaged 1404 3700KV motors by soldering new leads directly to the delicate stator windings to avoid wire splices.
  • Dynamic Telemetry Logic: Mapped Betaflight Motor Output Limits to a radio switch, enabling real-time toggling between a "Daily Scout" simulated low-KV mode yielding 10–12+ min of quiet cruising (223g), and a full-power "Cinematic Payload" mode providing exact 3700KV RPM overhead to carry a Naked GoPro 6 without washout (250g).

FREQUENTLY ASKED QUESTIONS

Technical strategies and system stability

How do you ensure modern web infrastructure meets strict compliance and performance standards?

In public and enterprise sectors, infrastructure must prioritize security and accessibility. I build decoupled architectures that allow organizations to deploy digital portals safely and autonomously. This includes setting up secure, role-based editing dashboards and configuring third-party integrations without compromising system stability or violating WCAG accessibility guidelines.

How do you implement tracking and telemetry while maintaining GDPR compliance and page speed?

Standard third-party scripts often destroy performance and risk privacy violations. I implement interaction-driven telemetry. By deferring heavy tracking containers until explicit user intent is detected, I ensure organizations maintain vital metrics while the site maintains a 0ms Total Blocking Time (TBT) and strictly adheres to EU GDPR and Consent Mode v2 requirements.

Why do you advocate for headless CMS and component-driven architecture?

Monolithic systems often force a compromise between content management ease and frontend performance, while exposing the database to security vulnerabilities. I use component-driven engineering to assemble interfaces block-by-block, decoupling the backend (Strapi, Decap CMS) from highly optimized frontends (Next.js, Astro). This guarantees zero-bloat delivery, tighter security protocols, and scalable infrastructure without traditional database constraints.

How do you guarantee high-performance Core Web Vitals?

Performance isn't an afterthought; it is the foundation of the architecture. I refuse to use bloated legacy themes or heavy page builders. Instead, I prioritize shipping zero JavaScript to the client by default using Astro or leveraging Server-Side Rendering (SSR) and Static Site Generation (SSG) with Next.js. By optimizing LCP through edge caching, automated image pipelines, and critical CSS extraction, I ensure pages load instantly, which reduces server load, ensures high availability, and delivers an optimal, accessible user experience.

Let's modernize your digital infrastructure

I engineer secure, headless web architectures that streamline operations, ensure data privacy, and deliver exceptional performance. Let's discuss how we can scale your platform.