Mentoring, Consulting & Workshops

Level up CI/CD, Microservices, IDP, Testing, Observability. Devoxx presentation

How I can help
30+
Free Consultations
8
Mentees
I work with teams on delivery speed and reliability: CI/CD, microservices, internal developer platforms, testing strategy, and observability. Pick a service below to learn more and purchase or get in touch.
Services
Consulting featured image

Consulting

CI/CD, Microservices, IDP, Testing, Observability

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Mentoring Package — 4×1h featured image

Mentoring Package — 4×1h

4 sessions of mentoring

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Mentoring Package — 8×1h featured image

Mentoring Package — 8×1h

8 mentoring sessions

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Talks & Workshops featured image

Talks & Workshops

Custom sessions on CI/CD, Microservices, IDP, Testing, Observability

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What clients say
Enis Halilaj

“Thank you for the insightful conversation and valuable advice!”

— Enis Halilaj, Software Developer @ Evonem
Mikiyas Eshetu

“We laid out a plan that fits both the topics I want to explore and the way I like to learn. While working on my first sprint, one challenge has already made me rethink how I approach modularity and domain boundaries in Spring apps.”

— Mikiyas Eshetu, Software Developer
Chris Suszyński

“The conversation with Marcin Grzejszczak was a blast, as always! We spoke about Event Mesh (...). Marcin picked up on the topic right away and sold me on some very interesting ideas! I highly recommend Marcin's consultations.”

— Chris Suszyński, Senior Developer @ Red Hat
Mikołaj Telus

“I expected to receive a huge dose of knowledge about architecture and Spring, but what struck me most was his extraordinary kindness and lack of any barriers.”

— Mikołaj Telus, Java Developer
Emanuel Trandafir

“Had a great chat today with Marcin Grzejszczak — if you have a chance for conversations like this, take it. Totally worth it!”

— Emanuel Trandafir, Senior Java Developer
Kamil Trepczyński

“After years in leadership, I felt my tech edge fading. Rebuilding with Marcin’s mentorship — highly recommended.”

— Kamil Trepczyński, Development Team Lead @ GFT Group
Bartłomiej Kalka

“I just had a great conversation with Marcin Grzejszczak, and I highly recommend such a consultation. Marcin answered my current questions about career building, development as a programmer, and the IT industry in general, including Spring. If you have the opportunity, it's worth taking advantage of his knowledge :)”

— Bartłomiej Kalka, SoftwareEngineer@GetInt.io & Mentor@JavaReady.pl