Filip S.

Sweetspot is a golf-industry SaaS platform providing tee-time booking, payment processing, membership management, and point-of-sale integrations for golf courses across Scandinavia and Europe.

• Maintaining and modernizing a large-scale Symfony 4.4 monolith with DDD, CQRS, and hexagonal architecture patterns.
• Built a custom multi-agent AI development pipeline using Claude Code with specialized sub-agents for code review, architectural compliance, test analysis, and automated investigation workflows.
• Designed and deployed MCP server integrations connecting Linear, Sentry, Slack, Metabase, and BetterStack into a unified AI-assisted development workflow. - Implemented hook-based policy systems where autonomous agents evaluate code quality and enforce architectural decision records before commits.
• Work with API Platform 2.5, RabbitMQ, OpenSearch/Elasticsearch, Redis, and Docker in a complex microservice-adjacent architecture.
• Contributed to payment processing (Swish, Adyen), POS integrations (Extenda, ScantoPOS), and membership management features.
• Collaborated with the distributed engineering team on complex domain problems spanning booking, payments, and course management.

Ekonobar is a digital food ordering platform that provides smart restaurant management tools and real-time order synchronization across delivery channels.

• Designed and implemented microservice-based APIs using Symfony 6.x, improving system modularity and maintainability
• Deployed containerized environments with Docker and configured AWS services for scalable production hosting
• Structured and optimized PostgreSQL databases to enhance query performance and data reliability in high-traffic scenarios
• Integrated automated testing to support continuous delivery and prevent regressions
• Collaborated with DevOps engineers to improve CI/CD pipelines, reducing deployment time by 35%
• Enhanced backend response times through code profiling and caching strategies
• Maintained detailed documentation for API endpoints and deployment procedures

FinancialDocs is a UAE-based FinTech SaaS company providing secure, automated document management and data exchange solutions for financial institutions.

• Designed Symfony 6.x microservices for financial document workflows, ensuring a modular and scalable architecture
• Created a comprehensive API platform for automated report generation and integration with third-party financial APIs
• Crafted database schemas and optimized MySQL queries for analytics-intensive workloads
• Set up Dockerized environments and configured CI/CD pipelines for staging and production environments
• Developed backend templates using Twig, reducing repetitive logic and standardizing reports
• Led code reviews and refactoring sessions to ensure adherence to SOLID principles and Clean Architecture
• Maintained compliance with data privacy and encryption standards across the system

AltexSoft is a global IT consultancy specializing in custom software development, data science, and digital transformation projects.

• Contributed to the development of Pimcore-integrated healthcare data systems using Symfony 5.4 and API Platform
• Built custom APIs to manage complex medical data synchronization between internal and external healthcare partners
• Optimized Docker-based environments, enabling developers to run production replicas locally
• Improved data validation processes through custom middleware, reducing data entry errors by 25%
• Assisted in migrating legacy monolithic systems into microservice-ready architectures

SocialHP offers a social media engagement and automation platform that helps global enterprises empower employees as brand advocates.

• Implemented a Domain-Driven Design (DDD) and CQRS-based architecture using Symfony 6
• Developed a custom Symfony Messenger Bus to handle asynchronous commands and events
• Refactored domain entities and services using the ports and adapters (hexagonal) approach to enhance modularity
• Built a robust command pipeline, increasing message throughput by 40%
• Collaborated with front-end engineers to align GraphQL and REST API structures with UI requirements
• Conducted performance audits and reduced API latency by up to 30% through code refactoring

Merkle is a global performance marketing and technology agency delivering digital commerce and personalization platforms for enterprise clients.

• Worked on a CS-Cart-based e-commerce platform, extending payment, shipping, and order modules.

• Integrated third-party APIs for ERP and inventory synchronization.

• Optimized SQL queries and caching mechanisms, reducing load times for catalog pages by 25%.

• Ensured high scalability through horizontal partitioning and refactoring of critical services.

HolyCode is a Swiss nearshore software development firm partnering with European startups and enterprises to deliver large-scale web applications.

• Developed Symfony microservices supporting marketing data aggregation and automation pipelines.

• Integrated social media APIs (Meta, LinkedIn, Twitter) for campaign tracking and analytics dashboards.

• Designed and optimized PostgreSQL schemas for better query performance.

• Introduced Kubernetes-based deployment pipelines for high-availability clusters.

• Wrote unit and functional tests, achieving 85% coverage for key services.

• Implemented GCP-based monitoring and alerting for microservice uptime management.

Paneleven Group develops digital banking solutions and payment infrastructure tools for European financial institutions.

• Built Symfony-based RESTful APIs handling high-volume financial transactions.

• Implemented secure user authentication and audit logging modules.

• Designed modular architecture for reporting tools using Doctrine ORM and MySQL.

• Improved backend scalability by introducing Redis caching and async queues.

• Authored extensive API documentation for internal and external use.

• Worked with QA and DevOps teams to achieve continuous testing coverage and CI/CD integration.

Binteger is a logistics software provider offering fleet tracking, dispatch automation, and route optimization solutions.

• Developed RESTful APIs using Laravel, handling CRUD operations for fleet management modules.

• Integrated front-end with Blade templates, ensuring consistency across admin and customer dashboards.

• Designed and executed unit tests for backend components.

• Contributed to improving database indexing and query efficiency.

Freelance developer specializing in small businesses and e-commerce clients in the Balkan region.

• Created and maintained custom WordPress sites for online stores and portfolios.

• Transformed static HTML websites into dynamic WordPress themes from scratch.

• Set up plugins for SEO, analytics, and multilingual support.

• Managed server setup and performance optimization for shared hosting environments.