Excellence & Expertise

About Kastelo

Kastelo Inc. is a young consulting firm with a long history. We provide consultancy services in targeted service areas delivered by the most experienced consultants. Our customers range from independent software studios to international telecommunications companies. We have our roots in the Open Source movement and believe in contributing back to the community. Kastelo is a corporate sponsor and steward of the Syncthing project.


Our Services

We provide consultancy services on retainer or for specific projects, in the following three service areas:

Software Development

Software architecture, development and auditing with a laser focus on security and clarity. Specialities include networking and distributed systems.

Bash, C, C++, Docker, FreeBSD, Full Stack, Go, Javascript, Linux, MySQL, Node.js, PostgreSQL, Python, Ruby, Solaris

Development Process

Team coaching, introduction to lean and agile methods and Kanban. We set up and teach continuous integration, continuous delivery and modern code review workflows.

Agile, CD, CI, Confluence, Git, GitHub, Jenkins, Jira, Kanban, Phabricator, Scrum, Subversion, TeamCity

Networking & Infrastructure

Design and implementation services in carrier or enterprise networks. Our expertise is focused on secure and highly available networks and server infrastructure.

BGP, Cisco, DNS, Ethernet, Firewalls, High Availability, IS-IS, Juniper, Monitoring, OPSF, Procera, Routing, SNMP, Storage, Switching, Vertica, ZFS

A modern consulting firm with a focus on excellence and expertise