Public Sector Technology

Building digital infrastructure for the public sector

Sixty Four is a Tallinn-based IT company specializing in government technology projects and public tenders. We deliver software, consultancy, and design for organizations that serve the public.

8 × 8 = 64
01

Services

Software Development

Custom software solutions for public sector requirements. Web applications, integrations, and systems built for reliability and scale.

IT Consultancy

Strategic technology advisory for government organizations. Digital transformation roadmaps, AI strategy, and architecture guidance.

Project Management

Structured delivery of IT projects within public tender frameworks. Rigorous planning, transparent reporting, on-time execution.

Design Services

User-centered design for government digital services. Accessible, intuitive interfaces that serve citizens effectively.

02

Projects

03

Team

Julian Kaljuvee

Harvard-educated applied mathematician and former quantitative analyst at Goldman Sachs, Morgan Stanley, and JPMorgan. Julian brings deep expertise in AI and machine learning, having delivered enterprise AI solutions for ARM Holdings, London Stock Exchange Group, and ADNOC. He serves as Director of Predictive Labs and consulting AI Engineer at Microsoft Industry Solutions.

Daniel Raissar

Software engineer and technology strategist with a BSc from TalTech. A founding member of the Estonian Cryptocurrency Association and Estonian Web3 Koda, Daniel has over a decade of experience in blockchain technology and has served in CTO and CIO roles across exchange and platform development. He brings deep technical expertise in distributed systems and emerging technologies.

Henrik Aavik

Full-stack developer and project lead driving Sixty Four's operations and client delivery. Henrik manages key accounts including the Tendly platform and coordinates the company's public sector tender portfolio. He ensures projects are delivered on time and to specification within government procurement frameworks.

Karola Mahhova

Design and project management professional bridging creative vision with structured delivery. Karola brings a user-centered approach to interface design and project coordination, ensuring deliverables meet both quality standards and public sector compliance requirements.

04

Contact

Let's build something together

Looking for a technology partner for your next public sector project? We'd like to hear from you.

Address
Kolde 23, 10412 Tallinn, Estonia
Web
Email