Mikolaj Piekutowski

Software Engineer · Poland

Building modern software.

Mikolaj Piekutowski (28) — Bachelor’s degree in Computer Science and Software Engineer with 4 years of experience delivering solutions across banking, cryptocurrency, and data-driven systems. Fast learner with a strong focus on building scalable and reliable applications. Comfortable working in international teams, with fluent English and Japanese proficiency at N4 level.

Inquisitive

Eager for knowledge and intellectually curious.

Fast learner

Applying strategical thinking to new topics.

Team player

Working together to deliver the best of the best.

Work experience

Selected roles and concrete outcomes.

Software EngineerSnowflake

Warsaw2023-022024-091 yr 8 mo

Built an admin platform for reviewing data listings and collaborated closely with a US-based team to shape features and delivery.

  • Implemented AI-assisted review to automatically analyze and triage listings, significantly reducing manual effort for administrators.
  • Designed and shipped the listings review workflow and moderation UI with accessible, minimal UX.
  • Partnered across time zones to turn requirements into shipped, maintainable features.

Tech: TypeScript, React/Next.js, Node.js, AI/ML integration

Software EngineerBlockhunters (Tokenguard.io)

Warsaw2022-032023-0211 mo

Developed a platform for automated smart contract testing in a microservices architecture with full‑stack responsibilities and DevOps ownership.

  • Led migration of the microservices platform from Azure to AWS to reduce infrastructure costs.
  • Built and maintained CI/CD pipelines with GitHub Actions and bash, improving deployment reliability.
  • Developed services in Node.js/TypeScript with PostgreSQL and a Vue front end.
  • Managed Kubernetes clusters, Docker images, and Helm charts.

Tech: Node.js, TypeScript, PostgreSQL, Vue, Kubernetes, Docker, Helm, GitHub Actions

Full Stack DeveloperItmagination

Warsaw2021-082022-038 mo

Contributed across an ERP system spanning .NET services and a React front end; delivered features and reliability fixes.

  • Implemented features across .NET Framework MVC, .NET Core microservices, and React/Redux UI.
  • Improved system stability by diagnosing and fixing production issues.
  • Handled light administration tasks such as Azure AD group assignments.

Tech: .NET Framework (MVC), .NET Core, C#, TypeScript, React, Redux, Azure AD

Intern / Junior .NET DeveloperAccenture

Warsaw2020-102021-0811 mo

Worked on a mobile banking ecosystem for Ma French Bank, focusing on backend services powering the mobile app.

  • Implemented authentication and authorization flows for under‑18 users, aligning with banking compliance.
  • Maintained ASP.NET Web API used by the mobile application and contributed to WCF services.
  • Authored technical documentation for mobile API endpoints to support cross‑team delivery.

Tech: ASP.NET Web API, WCF, C#, SQL