I am a software architect and full-stack developer with over 10 years of experience in the industry. I build scalable SaaS API and realtime applications

Stewart Sabuka

I am a software architect and full-stack developer with over 10 years of experience in the industry. I build scalable SaaS API and realtime applications

Available to hire

I am a software architect and full-stack developer with over 10 years of experience in the industry. I build scalable SaaS API and realtime applications

Experience Level

Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
See more

Language

English
Fluent
Finnish
Intermediate

Work Experience

Senior Engineer at Oivan Oy
April 1, 2023 - Present
Building API for LLM models for SDAIA, architecting and developing Neom Urban planning permit tools, backend services, ArcGIS maps, managing data pipelines and backend infrastructure.
Lead Engineer at Nusu Oy
March 1, 2023 - October 15, 2025
System and Infrastructure Architecture, Microservice orchestration with Kubernetes and Terraform; backend RESTful API services with Node.js and Golang; MongoDB and Redis; mobile application with Flutter for Android and iOS.
Senior Engineer at Nitrogames Oy
December 1, 2022 - October 15, 2025
Designing game server, backend services, LiveOps tools, managing data pipelines and backend infrastructure.
Fullstack Engineer at Jongla Oy
September 1, 2014 - October 15, 2025
Developing instant messaging application.
Author and Trainer at Viope Solutions Oy
August 1, 2012 - October 15, 2025
Android Programming Course contents creation with working examples demonstrating key Android components and data synchronization.
Web 2.0 Developer at Banzytek Oy
December 31, 2008 - October 15, 2025
Global Calendar: configuring Linux server, design & implementation of database and UI; built calendar sharing features.
Web 2.0 Developer at Arkton Oy
October 1, 2007 - October 15, 2025
Matkain: Web 2.0 for selling or leasing lands and houses with customized map for property locations.
Senior Engineer at Oivan Oy
April 1, 2023 - Present
Building API for LLM models for SDAIA, architecting and developing Neom urban planning permit tools, backend services, ArcGIS maps, and data pipelines; managing backend infrastructure and cloud services.
Lead Engineer at Nusu Oy
March 1, 2023 - October 15, 2025
Developing a platform for collective mobile money management; system and infrastructure architecture; Kubernetes and Terraform-based microservice orchestration; backend RESTful services with Node.js and Go; MongoDB/Redis; Flutter mobile app.
Senior Engineer at Nitrogames Oy
December 1, 2022 - October 15, 2025
Designing game servers and backend services, LiveOps tooling, and data pipelines; overseeing backend infrastructure and deployment for online games.
Fullstack Engineer at Jongla Oy
September 1, 2014 - October 15, 2025
Developing an instant messaging application; front-end and back-end integration, Android client work, and performance improvements.
Author and Trainer at Viope Solutions Oy
August 1, 2012 - October 15, 2025
Creating Android programming course contents with practical examples illustrating core Android components, services, data storage, and GPS/location features.
Web 2.0 Developer at Banzytek Oy
December 31, 2008 - October 15, 2025
Built a social calendar web app; configured Linux servers, designed database and UI, and implemented core functions.
Web 2.0 Developer at Arkton Oy
October 31, 2007 - October 15, 2025
Developed a Web 2.0 platform for buying/leasing lands and houses with a customized map to show property locations.
Senior Engineer at Oivan Oy
April 1, 2023 - Present
Building API for LLM models for SDAIA, architecting and developing Neom urban planning permit tools, backend services, ArcGIS maps, managing data pipelines and backend infrastructure.
Lead Engineer at Nusu Oy
March 31, 2023 - October 15, 2025
Developing a platform for collective mobile money management; system and infrastructure architecture; microservice orchestration with Kubernetes and Terraform; backend RESTful APIs with Node.js and Go; MongoDB and Redis; mobile app with Flutter.
Senior Engineer at Nitrogames Oy
December 31, 2022 - October 15, 2025
Designing game servers, backend services, LiveOps tools; managing data pipelines and backend infrastructure for gaming products.
Fullstack Engineer at Jongla Oy
September 30, 2014 - October 15, 2025
Developing instant messaging application; full-stack development across Android, Node.js, and related web technologies.
Author and Trainer at Viope Solutions Oy
August 31, 2012 - October 15, 2025
Android programming course author and trainer; creating course contents and demonstrations of key Android components, services, and data synchronization.
Web 2.0 Developer at Banzytek Oy
December 31, 2008 - October 15, 2025
Created a social network calendar; configured Linux servers; designed database and UI; implemented application functions.
Web 2.0 Developer at Arkton Oy
October 31, 2007 - October 15, 2025
Developing Web 2.0 for land and housing marketplace; maps-based property locations; completed setup of servers, databases, and UI.
Senior Engineer at Nitrogames Oy
September 1, 2014 - December 1, 2022
Design Developing game server, backend services, LiveOps tools, managing data pipelines and backend infrastructure
Fullstack Engineer at Jongla Oy
August 1, 2012 - September 1, 2014
Developing instant messaging application

Education

Master of Science in Information Technology at Lappeenranta University of Technology
January 1, 2008 - January 1, 2012
Bachelor of Business Information Technology at Haaga-Helia University of Applied Sciences
January 1, 2004 - January 1, 2008
Bachelor of Business Information Technology at Haaga-Helia University of Applied Sciences
January 1, 2004 - January 1, 2008
Masters of Science in Information Technology at Lappeenranta University of Technology
January 1, 2008 - January 1, 2012
Master of Science in Information Technology at Lappeenranta University of Technology
January 1, 2008 - December 31, 2012
Bachelor of Business Information Technology at Haaga-Helia University of Applied Sciences
January 1, 2004 - December 31, 2008
Masters of Science in Information Technology at Lappeenranta University of Technology
January 1, 2008 - January 1, 2012
Bachelor of Business Information Technology at Haaga-Helia University of Applied Sciences
January 1, 2004 - January 1, 2008

Qualifications

Add your qualifications or awards here.

Industry Experience

Gaming, Software & Internet, Education, Media & Entertainment, Computers & Electronics