Callista
    Services

    Experts & Teams

    Individual specialists or whole teams: for projects, gaps, and phases that cannot be covered with internal capacity.

    What we do

    Individual Experts

    Architects, engineers, data scientists, product engineers, security specialists for defined roles in ongoing projects or as an external perspective.

    Nearshore Teams

    Small, highly competent teams with AI reinforcement. Not for volume for projects that require speed and quality simultaneously.

    Our Belgrade teams work in full integration with the Swiss project lead same methodology, same quality gates, direct communication in English or German. Accountability stays in Switzerland.

    Agentic Engineering Accelerator

    2 days, practical hands-on: formulate intent, work with agents, set guardrails, ensure quality. Directly applicable to your own stack.

    Executive AI Fluency Program

    Half day: understand Human in the Lead, make governance decisions, take on the sponsor role in AI projects. For decision-makers without a technical background.

    Details

    Companies that need external expertise for specific roles, phases, or topics without a large consulting mandate.

    What happens next

    After your enquiry we will be in touch within one business day. We quickly clarify which role, which profile, and which timeframe is needed and tell you directly whether we have the right fit.

    Get in touch