Crafting exceptional secure digital experiences

Specializing in Digital Experiences, Enterprise Architecture, Team Leadership & Creative Problem Solving

Principal Engineer with deep Angular ecosystem expertise, while being quick to new modern frameworks. I excel at implementing ASVS security standards, guiding cross-functional teams through complex challenges, and creating secure digital experiences. My approach combines technical excellence with creative problem-solving and rigorous attention to performance, security and user experience.

15+

Years Experience

Max Team Size Led

Major Companies

Digital ExperiencesEnterprise ArchitectureTeam Leadership & MentoringCreative Problem Solving

Skills & Services

Delivering solutions from concept to deployment with a strong emphasis on software quality, adherence to industry standards, and proven best practices. By integrating robust automated testing and selectively enhancing workflows with AI, I help teams deliver reliable, future-ready software backed by effective leadership.

Full-Stack Development Excellence

Deep expertise in Angular ecosystem, while being quick to adapt to React and other modern frameworks. I focus on clean, maintainable code and stay current with industry trends.

Advanced TypeScript & Modern JavaScript
Angular Ecosystem Expertise
React & Quick Technology Adaptation
Node.js, Next.js & Nest.js Development
Database Design & Optimization

Security & Compliance Excellence

Expert in application security following ASVS best practices and security standards. I handle penetration test remediation, implement robust security controls, and create secure components.

ASVS Security Standards Implementation
Penetration Test Ticket Resolution
CSP & Auth0 Security Integration
Antivirus Scanning Upload Components

Digital User Experience Design

Creating intuitive, beautiful interfaces that users love. I focus on modern design patterns, responsive layouts, and seamless interactions using the latest frontend technologies.

Modern UI/UX Design Patterns
Responsive & Mobile-First Development
Accessibility & Performance Optimization
Interactive Animations & Micro-interactions

Team Leadership & Mentoring

Passionate about guiding teams to excellence. I enjoy mentoring developers, facilitating collaboration, and creating environments where everyone can do their best work.

Cross-functional Team Leadership
Developer Mentoring & Growth
Agile Process Improvement
Technical Decision Making

Principal Engineer Expertise

Industry-leading standards and practices that define enterprise-grade software development excellence.

Security & Compliance Standards

OWASP ASVS – Application Security Verification Standard baseline
OWASP Top 10 – Security risk mitigation & best practices
OWASP API Security – Secure API design & implementation
Penetration Test Remediation – Security vulnerability resolution
CSP & Auth0 Integration – Content Security Policy & authentication

Code Quality & Development Standards

Angular Style Guide – Official coding standards & best practices
ESLint Rules & Configuration – Automated code quality enforcement
TypeScript Best Practices – Type-safe development patterns
Code Review & Static Analysis – Quality assurance processes
Clean Architecture Principles – Maintainable code structure

Architecture & Deployment Excellence

12-Factor App Methodology – Modern application architecture
DevOps Best Practices – CI/CD & deployment automation
Microservices & Distributed Systems – Scalable architecture patterns
Docker & Kubernetes – Container orchestration & deployment
Cloud Platforms (AWS/Azure/GCP) – Enterprise cloud architecture

Accessibility & Performance Standards

WCAG Guidelines – Web Content Accessibility Guidelines compliance
W3C Standards – Web standards & semantic HTML best practices
Core Web Vitals – Performance metrics & optimization
Progressive Web Apps (PWA) – Modern web application standards
Performance Monitoring & Optimization – Real-world performance tuning

Enterprise Architecture & Leadership

Technical Leadership & Mentoring – Cross-functional team guidance
System Design & Architecture – Scalable enterprise solutions
API Design & Integration – RESTful & GraphQL API standards
Monorepo Management (Nx) – Enterprise code organization
Technical Decision Making – Strategic technology choices

Modern Development & Testing

Test-Driven Development (TDD) – Quality-first development approach
End-to-End Testing (Playwright) – Comprehensive testing strategies
Unit & Integration Testing – Robust testing practices
Real-Time Applications – WebSockets & live data systems
Advanced State Management – Complex application state handling

Industry Standards & Best Practices

Adhering to established industry standards ensures security, quality, accessibility, and performance. These frameworks provide the foundation for building enterprise-grade applications that meet compliance requirements and deliver exceptional user experiences.

Proven Track Record of Excellence

Delivering measurable results through AI-augmented technical expertise, strategic leadership, and commitment to next-generation quality standards.

85%

85% Performance Improvement

Enhanced application performance through creative optimization and modern techniques

Innovative performance strategies, smart caching, and user-centered optimization approaches

13-Member Team Led

Guided diverse development teams to deliver exceptional digital experiences

Cross-functional leadership focusing on collaboration, growth, and delivering amazing user experiences

ASVS

Security Standards Compliance

Implemented ASVS security standards with penetration test remediation and secure components

CSP implementation, Auth0 integration, antivirus scanning uploads, and comprehensive security controls

10x

Delivery Speed Improvement

Streamlined development processes for faster, more efficient project delivery

Optimized workflows, automated deployments, and creative solutions for faster time-to-market

Core Technology Stack

Angular100%

TypeScript + AI99%

Security & ASVS98%

Team Leadership97%

Node.js95%

React90%

Next.js & Nest.js89%

Let's Build Something Amazing Together

Ready to transform your engineering challenges into opportunities? Let's discuss how we can accelerate your team's delivery and build resilient, scalable systems.

Send Me a Message

I'm always open to new opportunities and collaborations. Feel free to reach out!

Get in Touch

Whether you're looking to enhance your team's capabilities, implement AI-driven development practices, or scale your engineering organization, I'm here to help.

What I Can Help With

Engineering team leadership and scaling

AI-enhanced development practices

System architecture and scalability

Performance optimization strategies

Quality-driven development processes

Technical strategy and planning

Prefer a quick chat? Schedule a 15-minute call to discuss your needs.

Nektarios Konstantinidis - Principal Engineer & AI Creator

Nektarios Konstantinidis

Crafting exceptional secure digital experiences

Skills & Services

Full-Stack Development Excellence

Security & Compliance Excellence

Digital User Experience Design

Team Leadership & Mentoring

Principal Engineer Expertise

Security & Compliance Standards

Code Quality & Development Standards

Architecture & Deployment Excellence

Accessibility & Performance Standards

Enterprise Architecture & Leadership

Modern Development & Testing

Industry Standards & Best Practices

Proven Track Record of Excellence

85% Performance Improvement

13-Member Team Led

Security Standards Compliance

Delivery Speed Improvement

Core Technology Stack

Let's Build Something Amazing Together

Send Me a Message

Get in Touch

What I Can Help With

Skills & Services

Full-Stack Development Excellence

Security & Compliance Excellence

Digital User Experience Design

Team Leadership & Mentoring

Principal Engineer Expertise

Security & Compliance Standards

Code Quality & Development Standards

Architecture & Deployment Excellence

Accessibility & Performance Standards

Enterprise Architecture & Leadership

Modern Development & Testing

Industry Standards & Best Practices

Proven Track Record of Excellence

85% Performance Improvement

13-Member Team Led

Security Standards Compliance

Delivery Speed Improvement

Core Technology Stack

Let's Build Something Amazing Together

Send Me a Message

Get in Touch

What I Can Help With