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.

• Designet og implementeret microservice-baserede API'er ved hjælp af Symfony 6.x, hvilket forbedrer systemmodulariteten og vedligeholdelsen
• Deployed containerized miljøer med Docker og konfigurerede AWS tjenester til skalerbar produktion hosting
• Strukturerede og optimerede PostgreSQL-databaser for at forbedre forespørgslens ydeevne og datapålidelighed i højtrafikscenarier
• Integreret automatiseret test for at understøtte kontinuerlig levering og forhindre regressioner
• Samarbejdet med DevOps ingeniører til at forbedre CI/CD-rørledninger, hvilket reducerer implementeringstiden med 35 %
• Forbedret backend svartider gennem kode profilering og caching strategier
• Opretholdt detaljeret dokumentation for API-endepunkter og implementeringsprocedurer

• Designet Symfony 6.x microservices til workflows, der sikrer en modulær og skalerbar arkitektur
• Oprettet en omfattende API-platform til automatiseret rapport generation og integration med tredjeparts finansielle API'er
• Udformet database skemaer og optimeret MySQL forespørgsler til analytisk-intensive arbejdsbyrder
• Konfigurer Dockerized miljøer og konfigurerede CI/CD-rørledninger til iscenesættelse og produktionsmiljøer
• Udviklet backend skabeloner ved hjælp af Twig, hvilket reducerer gentagne logik og standardiserer rapporter
• Led kode anmeldelser og refactoring sessions for at sikre overholdelse af SOLID principper og Clean Architecture
• Opretholdelse af overholdelsen af databeskyttelses- og krypteringsstandarder på tværs af systemet

• Bidrag til udviklingen af Pimcore-integrerede sundhedsdatasystemer ved hjælp af Symfony 5.4 og API-platformen
• Bygget brugerdefinerede API'er til at styre komplekse medicinske data synkronisering mellem interne og eksterne sundhedsplejepartnere
• Optimeret Docker-baserede miljøer, der gør det muligt for udviklere at køre produktion replikaer lokalt
• Forbedrede datavalideringsprocesser via brugerdefineret middleware, hvilket reducerer dataindtastningsfejl med 25%
• Assisteret i migrerende arv monolitiske systemer i microservice-klar arkitekturer

• Implementeret en Domain-Driven Design (DDD) og CQRS-baseret arkitektur ved hjælp af Symfony 6
• Udviklet en brugerdefineret Symfoni Messenger Bus til at håndtere asynkrone kommandoer og begivenheder
• Refactored domæne enheder og tjenester ved hjælp af porte og adaptere (sekskantede) tilgang til at forbedre modularitet
• Opbygget en robust kommando pipeline, øge besked gennemløb med 40%
• Samarbejdet med front-end ingeniører til at tilpasse GraphQL og REST API strukturer med UI krav
• Gennemført performance audits og reduceret API latency med op til 30% gennem kode 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.