Available to hire
Hi, I’m Adrian Borowski, a Senior Software Engineer with over 10 years of experience in full-stack web development. I specialize in building scalable backend systems and enterprise-grade solutions using .NET technologies, and I’m also well-versed in frontend frameworks like Angular and React. I love working on cloud-native deployments and optimizing performance to deliver efficient, maintainable software.
Throughout my career, I’ve worked in fintech, eCommerce, and SaaS platforms, focusing on clean code and DevOps best practices. I enjoy collaborating with cross-functional teams and mentoring junior engineers, all while staying passionate about technology and continuous learning.
Skills
Experience Level
Work Experience
Senior Software Engineer at Techwave Consulting
March 1, 2022 - June 20, 2024Participated in development of a scalable eCommerce SaaS platform, architecting and developing backend services to ensure seamless integration and robust performance. Designed and implemented multiple microservices such as Order Management, User Management, Shipping Management, and Product Management with high availability and fault tolerance. Utilized RabbitMQ for reliable asynchronous data synchronization in real-time. Developed backend services using Node.js and Express.js optimizing for performance and scalability. Designed RESTful APIs for frontend and third-party integration, focusing on security and data consistency. Collaborated with frontend teams to build an interactive React.js admin dashboard offering real-time analytics. Leveraged AWS for cloud deployment ensuring scalability, reliability, and monitoring. Built and maintained CI/CD pipelines to streamline deployments and expedited feature delivery. Worked closely with QA to define testing strategies and write unit/integrat
Backend Engineer at IXOPAY
July 1, 2019 - February 28, 2022Developed and maintained core components of a high-volume fintech transaction platform ensuring reliability, security, and scalability. Designed RESTful APIs and microservices using Node.js, TypeScript, and Express.js with a strong focus on security and performance. Integrated third-party payment gateways like Stripe for multi-currency and billing features. Leveraged AWS Lambda, API Gateway, and S3 for cloud-native deployments. Implemented OAuth2 and JWT for authentication and authorization across services. Collaborated with DevOps and QA teams to optimize CI/CD pipelines using Docker and GitLab CI for faster releases. Optimized system and database performance (PostgreSQL, Redis) improving response times by up to 30%. Participated in Agile workflows including sprint planning, code reviews, and product roadmaps contributing to product enhancements.
Web Developer at Deloitte Digital
October 1, 2015 - June 30, 2019Built scalable backend services in Node.js to support React.js frontends, ensuring smooth data flow and API integration. Gained experience with PHP (Laravel) contributing to backend development, server-side logic, and database integration. Demonstrated adaptability and eagerness to learn new technologies and continuously improve development practices.
Senior Software Engineer at Techwave Consulting
March 1, 2022 - June 23, 2024Participated in developing a scalable eCommerce SaaS platform, architecting and developing backend services with high availability and fault tolerance. Designed and implemented multiple microservices including Order Management, User Management, Shipping Management, and Product Management. Utilized RabbitMQ for asynchronous data synchronization ensuring real-time consistency. Developed backend services using Node.js and Express.js with a focus on performance and scalability. Designed RESTful APIs for frontend and third-party integration with security and data consistency. Collaborated with frontend teams on interactive React.js admin dashboard development. Leveraged AWS for cloud deployment ensuring scaling, reliability, and monitoring. Involved in building and maintaining CI/CD pipelines for streamlined feature delivery. Worked closely with QA engineers on testing strategies and wrote unit and integration tests. Optimized databases (MySQL, PostgreSQL, MongoDB) through queries, indexing
Backend Engineer at IXOPAY
July 1, 2019 - February 28, 2022Developed and maintained core components of a high-volume fintech transaction platform focusing on reliability, security, and scalability. Designed and implemented RESTful APIs and microservices using Node.js, TypeScript, and Express.js emphasizing security and performance. Integrated third-party payment gateways like Stripe supporting multi-currency and advanced billing features. Leveraged AWS services including Lambda, API Gateway, and S3 for secure, scalable deployments. Implemented OAuth2 and JWT authentication and authorization mechanisms across distributed services. Collaborated with DevOps and QA teams to enhance CI/CD pipelines using Docker and GitLab CI, increasing release speed and reliability. Optimized system and database performance (PostgreSQL, Redis) achieving up to 30% improved response times. Participated in Agile practices including sprint planning, code reviews, and roadmap discussions.
Web Developer at Deloitte Digital
October 1, 2015 - June 30, 2019Built scalable Node.js backend services supporting React.js frontends with seamless API integration and data flow. Assisted in PHP (Laravel) backend development including server-side logic and database integration. Adapted quickly to new technologies and committed to continuous improvement throughout tenure.
Senior Software Engineer at Techwave Consulting
June 30, 2025 - July 28, 2025Architected and developed a modular eCommerce SaaS platform using .NET Core (C#) and microservices, ensuring scalability, maintainability, and domain separation based on Domain-Driven Design (DDD) principles. Built backend services for core business domains including Order Management, User Accounts, and Shipping, designed for high availability and low latency. Developed secure, versioned RESTful APIs for Angular and React-based frontends with OAuth2/JWT-based authentication and role-based access control. Integrated RabbitMQ and Kafka for asynchronous event-driven communication across services supporting eventual consistency and message retries. Collaborated closely with frontend engineers delivering a responsive, analytics-rich admin dashboard using Angular and Tailwind CSS. Orchestrated cloud deployment pipelines using GitHub Actions, Docker, and Terraform for zero-downtime deployments to Azure Kubernetes Service (AKS). Implemented monitoring and observability via Prometheus, Grafana,
Backend Engineer at IXOPAY
February 28, 2022 - July 28, 2025Built secure transaction services with .NET Core and Java powering high-throughput fintech operations. Integrated payment gateways like Stripe supporting multi-currency and recurring billing. Developed microservices with JWT and OAuth2 authentication and role-based access control. Optimized PostgreSQL and Redis performance reducing key response times by 30%. Deployed applications on AWS using Docker, Lambda, and CloudFormation. Automated deployments using GitLab CI and maintained robust test coverage with NUnit and Postman. Worked in Agile teams participating in sprint planning, story grooming, and retrospectives. Collaborated with QA engineers defining integration testing strategies and handling defect triage.
Web Developer at Deloitte Digital
March 1, 2019 - July 28, 2025Delivered enterprise solutions using ASP.NET MVC supporting responsive Angular and React frontends. Contributed to backend logic in C# and Java ensuring efficient data access and API consistency. Assisted in Node.js services for internal tools and integrations. Collaborated with cross-functional teams refining requirements and delivering pixel-perfect UI/UX.
Education
Bachelor of Computer Science at ETH Zurich, Switzerland
October 1, 2012 - September 30, 2015Bachelor of Computer Science at ETH Zurich, Switzerland
October 1, 2012 - September 30, 2015Bachelor of Computer Science at ETH Zurich, Switzerland
October 1, 2012 - September 30, 2015Qualifications
Industry Experience
Software & Internet, Financial Services, Retail, Professional Services
Skills
Experience Level
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