Open to opportunities

Tomasz Banaś

@tomaszbana

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Software Engineer specializing in backend development and DevOps.

Poland

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What I'm looking for

I'm looking for a collaborative environment that values innovation and offers opportunities for growth.

I'm a dedicated Software Engineer with over three years of experience in backend development and DevOps. My journey has taken me through various roles where I've honed my skills in ASP.NET, microservices architecture, and cloud infrastructure management. I thrive in dynamic environments, particularly in e-commerce projects where I can leverage my expertise to build scalable solutions that serve thousands of customers.

At Sellintegro, I lead technical discussions and mentor junior developers while managing deployments and cloud infrastructure using Kubernetes and Azure. My focus on optimizing database queries and APIs has resulted in significant performance improvements, achieving execution time reductions of up to 90%. I'm passionate about developing reliable and maintainable code, as evidenced by my work at Finture and ABB, where I contributed to enhancing project architecture and ensuring code quality through rigorous testing.

Experience

Work history, roles, and key accomplishments

Current

Mid/Senior Backend Developer

Current

Sellintegro

Apr 2024 - Present (1 year 1 month)

Worked as a Mid/Senior Backend Developer on a large-scale e-commerce platform, developing and maintaining 20+ microservices for core functions like payments and orders. Managed deployments and cloud infrastructure using Kubernetes, Docker, Azure, and Azure DevOps, while also leading technical discussions and mentoring junior developers. Optimized database queries and APIs, achieving significant pe

ASP.NET .NET Microservices Kubernetes Docker Azure Azure DevOps SQL API Performance Mentoring

Software Developer & DevOps Engineer

Finture

Nov 2022 - Apr 2024 (1 year 5 months)

Served as a Software Developer & DevOps Engineer, primarily focusing on DevOps tasks and backend development using ASP.NET Core. Managed and optimized Kubernetes clusters, configured GitLab CI/CD pipelines, and handled Terraform deployments to streamline workflows and ensure infrastructure as code. Developed new features and wrote unit tests to enhance code reliability and maintainability.

ASP.NET Core Microservices Kubernetes Gitlab CI Terraform Unit Testing System Design DevOps

Software Developer

ABB

Apr 2022 - Nov 2022 (7 months)

Worked as an Intern Software Developer, developing and maintaining projects with technologies including ASP.NET, Blazor, React, and TypeScript on Azure. Collaborated within a multicultural team, identified and resolved bugs, and wrote unit tests for new features. Maintained the entire backend of a chatbot application.

ASP.NET Blazor React TypeScript Azure Unit Testing Team Collaboration

Education

Degrees, certifications, and relevant coursework

Wyższa Szkoła Ekonomii i Informatyki w Krakowie

Bachelor of Engineering, Computer Science

Studied the fundamentals of computer Science with a specialization in Software Development. The curriculum covered both Front-End and Back-End technologies, alongside management and general IT principles.