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I'm a Senior Full Stack Engineer specializing in Java and Angular, delivering scalable, production-ready systems across eCommerce, Healthcare, and Financial Services. I translate business requirements into robust engineering solutions, collaborate with cross-functional teams, and take ownership of complex feature development. I design distributed architectures with Spring Boot, REST, GraphQL, and cloud-native deployments on AWS and Kubernetes. I enjoy modern frontend work with TypeScript and RxJS, mentor teammates, and drive AI-powered integrations to enhance user experiences.…I'm a Senior Full Stack Engineer specializing in Java and Angular, delivering scalable, production-ready systems across eCommerce, Healthcare, and Financial Services. I translate business requirements into robust engineering solutions, collaborate with cross-functional teams, and take ownership of complex feature development. I design distributed architectures with Spring Boot, REST, GraphQL, and cloud-native deployments on AWS and Kubernetes. I enjoy modern frontend work with TypeScript and RxJS, mentor teammates, and drive AI-powered integrations to enhance user experiences.

Wiktor Szulfer

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I'm a Senior Full Stack Engineer specializing in Java and Angular, delivering scalable, production-ready systems across eCommerce, Healthcare, and Financial Services. I translate business requirements into robust engineering solutions, collaborate with cross-functional teams, and take ownership of complex feature development. I design distributed architectures with Spring Boot, REST, GraphQL, and cloud-native deployments on AWS and Kubernetes. I enjoy modern frontend work with TypeScript and RxJS, mentor teammates, and drive AI-powered integrations to enhance user experiences.…I'm a Senior Full Stack Engineer specializing in Java and Angular, delivering scalable, production-ready systems across eCommerce, Healthcare, and Financial Services. I translate business requirements into robust engineering solutions, collaborate with cross-functional teams, and take ownership of complex feature development. I design distributed architectures with Spring Boot, REST, GraphQL, and cloud-native deployments on AWS and Kubernetes. I enjoy modern frontend work with TypeScript and RxJS, mentor teammates, and drive AI-powered integrations to enhance user experiences.

Available to hire

I’m a Senior Full Stack Engineer specializing in Java and Angular, delivering scalable, production-ready systems across eCommerce, Healthcare, and Financial Services. I translate business requirements into robust engineering solutions, collaborate with cross-functional teams, and take ownership of complex feature development.

I design distributed architectures with Spring Boot, REST, GraphQL, and cloud-native deployments on AWS and Kubernetes. I enjoy modern frontend work with TypeScript and RxJS, mentor teammates, and drive AI-powered integrations to enhance user experiences.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

Senior Full Stack Engineer at WEZOM

June 1, 2024 - November 1, 2025

Delivered high-traffic eCommerce features using Spring Boot and Angular for a large marketplace platform, improved API response patterns with Redis and optimized query design. Designed AI-driven recommendation workflows integrating Python ML services, gRPC, and Java microservices to increase product-view engagement. Built responsive admin dashboards in Angular and NgRx for marketing automation, and implemented robust search with ElasticSearch for catalog operations. Led cloud deployment initiatives with AWS, Docker, and Kubernetes, reducing rollout time and improving cross-service reliability for peak-season traffic.

Senior Full Stack Engineer at Orangesoft

November 1, 2022 - May 1, 2024

Engineered secure healthcare modules using Spring Security and Spring Boot to protect telemedicine data while maintaining regulatory compliance. Built interactive dashboards in Angular with RxJS and NgRx for medical and financial reporting. Integrated external payment systems and identity providers via REST and modular API layers, and implemented real-time video using WebRTC backend signaling. Enhanced AWS infrastructure via Terraform for faster staged deployments and collaborated with analysts to improve patient-record synchronization across distributed services.

Full Stack Developer at Innowise

March 1, 2019 - October 1, 2022

Built full-stack marketplace features with Java, Spring Boot, Angular, and GraphQL, scaling product catalogs for large user volumes. Developed financial analytics dashboards with Angular and D3.js and implemented JWT-based authentication with RBAC to secure healthcare and finance data. Improved cloud-based data ingestion using AWS and Kafka, and optimized Angular SPA with lazy loading and shared-state patterns for smoother navigation in high-usage pages.

Junior Full Stack Developer at Sunmait Technologies

June 1, 2016 - February 1, 2019

Delivered core eCommerce modules with Spring MVC, Spring Boot, PostgreSQL, and REST, stabilizing order processing during frequent catalog updates. Built responsive storefronts with AngularJS and modular UI patterns, added Redis caching for product listings and carts, and containerized services with Docker to streamline promotions across environments. Collaborated with QA to resolve API/UI defects and delivered reusable UI components to reduce client-side latency.