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Hi, I’m Bożydar Sobczak, a software engineer with over 20 years of experience designing and implementing scalable, cloud-native systems. I enjoy turning complex problems into reliable, maintainable solutions and I love learning new things in science and technology. I’m a computer geek by passion, but I’m also comfortable with collaboration and clear communication, and I pride myself on explaining technical concepts in simple terms. I’ve led end-to-end deployments, built serverless and microservice architectures on AWS, and contributed to teams through mentoring and hands-on DevOps. I value curiosity, practical execution, and a proactive approach to delivering value in fast-paced environments.…Hi, I’m Bożydar Sobczak, a software engineer with over 20 years of experience designing and implementing scalable, cloud-native systems. I enjoy turning complex problems into reliable, maintainable solutions and I love learning new things in science and technology. I’m a computer geek by passion, but I’m also comfortable with collaboration and clear communication, and I pride myself on explaining technical concepts in simple terms. I’ve led end-to-end deployments, built serverless and microservice architectures on AWS, and contributed to teams through mentoring and hands-on DevOps. I value curiosity, practical execution, and a proactive approach to delivering value in fast-paced environments.

Bożydar Sobczak

Back-End Developer, DevOps Developer, Architect, +4

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Hi, I’m Bożydar Sobczak, a software engineer with over 20 years of experience designing and implementing scalable, cloud-native systems. I enjoy turning complex problems into reliable, maintainable solutions and I love learning new things in science and technology. I’m a computer geek by passion, but I’m also comfortable with collaboration and clear communication, and I pride myself on explaining technical concepts in simple terms. I’ve led end-to-end deployments, built serverless and microservice architectures on AWS, and contributed to teams through mentoring and hands-on DevOps. I value curiosity, practical execution, and a proactive approach to delivering value in fast-paced environments.…Hi, I’m Bożydar Sobczak, a software engineer with over 20 years of experience designing and implementing scalable, cloud-native systems. I enjoy turning complex problems into reliable, maintainable solutions and I love learning new things in science and technology. I’m a computer geek by passion, but I’m also comfortable with collaboration and clear communication, and I pride myself on explaining technical concepts in simple terms. I’ve led end-to-end deployments, built serverless and microservice architectures on AWS, and contributed to teams through mentoring and hands-on DevOps. I value curiosity, practical execution, and a proactive approach to delivering value in fast-paced environments.

Available to hire

Hi, I’m Bożydar Sobczak, a software engineer with over 20 years of experience designing and implementing scalable, cloud-native systems. I enjoy turning complex problems into reliable, maintainable solutions and I love learning new things in science and technology. I’m a computer geek by passion, but I’m also comfortable with collaboration and clear communication, and I pride myself on explaining technical concepts in simple terms.

I’ve led end-to-end deployments, built serverless and microservice architectures on AWS, and contributed to teams through mentoring and hands-on DevOps. I value curiosity, practical execution, and a proactive approach to delivering value in fast-paced environments.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

Senior Developer at Visa

January 1, 2025 - January 1, 2025

Architected and implemented serverless, event-driven systems on AWS (Lambda, TypeScript) using SQS and Node.js; designed Windows services with .NET Core (C#); implemented infrastructure as code for AWS using TypeScript and CDK; maintained CI/CD pipelines with GitHub Actions and Octopus.

Senior Developer at Visa

January 1, 2025 - October 7, 2025

Architected and implemented serverless, event-driven systems on AWS (Lambda, TypeScript, SQS, Node.js); designed Windows Services using .NET Core (C#); implemented infrastructure as code for AWS (TypeScript, CDK); maintained CI/CD pipelines (GitHub Actions, Octopus).

Senior Developer/DevOps at 1Centre.com

January 1, 2023 - January 1, 2023

Designed modular services in Ruby on AWS; prepared Docker containers and Terraform scripts; AWS administration (CloudWatch, Beanstalk, Route53, IAM, S3); implemented server-side components in Ruby; contributed to hiring.

Senior Developer/DevOps at 1Centre.com

January 1, 2023 - October 7, 2025

Designed modular services on Ruby/AWS; prepared Docker containers and Terraform scripts; managed AWS services (CloudWatch, Beanstalk, Route53, IAM, S3); implemented server-side Ruby; contributed to hiring processes.

DevOps/Full Stack Developer at EcoPortal.com

January 1, 2021 - January 1, 2021

Designed modular architecture and implemented event-driven integrations (SQS, telemetry pipelines); set up telemetry and profiling (CloudWatch, Fluentd, DataDog); implemented client-side and server-side (JavaScript/Ruby); built a small chat bot (Elixir); maintained a SAML 2.0 subsystem; maintained a custom AWS management tool (Crystal).

DevOps/Full Stack Developer at EcoPortal.com

January 1, 2021 - October 7, 2025

Designed modular architecture and event-driven integrations (SQS, telemetry pipelines); set up telemetry and profiling (CloudWatch, Fluentd, DataDog); developed client-side and server-side components (JavaScript/Ruby); built a chat bot (Elixir) and maintained a SAML 2.0 subsystem; maintained a custom AWS management tool (Crystal).

Full Stack Developer at geeksoft.pl

January 1, 2017 - November 8, 2025

Extended the existing Forex trading platform with new features (Elixir).

Full Stack Developer at geeksoft.pl

January 1, 2017 - October 7, 2025

Extended existing Forex trading platform with new features (Elixir).

Owner at HotelZoomi.pl

January 1, 2016 - January 1, 2016

Involved in hiring processes; designed solution architecture (GraphQL, Ruby, Rails, telemetry pipelines); implemented client-side and server-side (JavaScript/Ruby); administered Linux machines.

Owner at HotelZoomi.pl

January 1, 2016 - October 7, 2025

Involved in hiring; designed solution architecture (GraphQL, Ruby on Rails, telemetry pipelines); implemented client- and server-side features (JavaScript/Ruby); administered Linux machines.

Senior Developer at DataCave

January 1, 2015 - January 1, 2015

Contributed to backend and integration work; participated in architectural decisions and implemented scalable solutions.

Senior Developer at DataCave

January 1, 2015 - October 7, 2025

Involved in hiring multinational team; mentored junior developers; prepared Jenkins scripts; maintained test and development servers; implemented client-side code in JavaScript/AngularJS and server-side code with Java.

Senior Developer at AIS.pl Sp. z o.o.

January 1, 2013 - January 1, 2013

Senior developer contributing to system design, implementation and maintenance across multiple projects.

Senior Developer at AIS.pl Sp. z o.o.

January 1, 2013 - October 7, 2025

Designed solution architecture; implemented client-side code in JavaScript/JQuery; server-side code with C#/WebForms/MVC, Ruby/Rails, Groovy/Grails, Java/Spring.

Developer/Architect at Jade Sp. z o.o.

January 1, 2007 - January 1, 2007

Developer/architect working on core platform improvements and architectural decisions.

Developer/Architect at Jade Sp. z o.o.

January 1, 2007 - October 7, 2025

Preparing architecture in UML/Enterprise Architect; implementing client-side code in JavaScript; creating WebServices in C#; implementing server-side code with C#/WebForms; preparing CMSes in PHP.