Stevan Aleksić

Engineer


Email: stevandaleksic@gmail.com
Location: Istra
Website: stdub.org
GitHub: github.com/Stdubic


Profile

Engineer with 10+ years of expertise in PHP/Laravel development and enterprise applications. Specialized in scalable backend systems, AI-powered workflows, and cloud infrastructure. Proven track record in architecting highly available systems, RESTful API design, and integrating modern AI technologies into production systems.


Experience

Patchstack | Engineer

March 2022 - Present | Remote

  • Architected enterprise-level security intelligence systems for world’s largest vulnerability coordination platform
  • Developed scalable backend systems processing millions of reports with AI-powered threat analysis
  • Designed and implemented RESTful APIs, data pipelines, and distributed systems for automated threat response
  • Technologies: PHP 8.1+, Laravel 10, MySQL, Redis, Elasticsearch, AWS, Docker, CI/CD

Lifeguard Health APS | Backend Developer

September 2021 - March 2022 | Remote

  • Developed preventive healthcare platform combining intelligent technology with personalized coaching
  • Architected secure patient data processing systems with GDPR compliance
  • Built RESTful API integrations for remote health monitoring and real-time analytics
  • Technologies: PHP, Laravel, MySQL, JavaScript, REST APIs, GDPR

Saasuma Inc | Backend Developer

July 2020 - August 2021 | Remote

  • Developed cloud-native SaaS platform with advanced search capabilities and AI-driven recommendations
  • Built scalable microservices architecture with focus on performance and reliability
  • Implemented caching layers and query optimization for millions of users
  • Technologies: PHP, Laravel, MySQL, Vue.js, Docker, Redis, Elasticsearch

Lloyds Digital | Backend Developer

April 2018 - June 2020 | Remote

  • Developed custom digital products and eCommerce platforms for award-winning agency
  • Led legacy system modernization and cloud infrastructure migration
  • Implemented load-balanced, multi-server environments with comprehensive AWS integration
  • Technologies: PHP, Laravel, MySQL, Vue.js, AWS (EC2, RDS, S3, SES, Route53), Docker

Skills

Programming Languages
PHP 8.1+, JavaScript (ES6+), TypeScript, SQL, Python

Frameworks & Libraries
Laravel (5.x-11.x), Symfony 7, Vue.js 3, React, Next.js, Tailwind CSS, PHPUnit, Cypress

Databases & Search
MySQL (at scale), PostgreSQL, Redis, Elasticsearch, Vector databases

Cloud & DevOps
AWS (EC2, RDS, S3, SQS, Lambda, CloudFront, Route53, SES, ECS, IAM), Docker, Kubernetes, Terraform, CI/CD pipelines, GitHub Actions, Laravel Forge

AI & Automation
LLM integration (OpenAI, Claude), RAG architectures, Embeddings, Vector search, AI agents, AI-assisted development (Cursor, Copilot)

Security
OWASP Top 10, OAuth 2.0/JWT, CSRF/XSS/SQL injection prevention, vulnerability management, data encryption, GDPR compliance

Development Practices
OOP, SOLID principles, TDD, Agile/Scrum, Git, Code Review, Distributed systems, Remote-first


Education

Singidunum University

Dipl. Ing. Business Informatics
2004 - 2009


Languages

  • Serbian / Croatian / Bosnian: Native
  • English: C2 Proficient

Additional