I design, build and improve web applications that support business-critical processes.
I work with companies as a senior developer and technical partner - from building new systems and internal tools to integrations, automation and taking over existing applications.
About
Senior technical partner for building, taking over, and improving business web applications.
I'm Ondřej Halata, a senior web developer.
I work as a technical partner responsible for a specific part of a system or delivery. I typically step in where decisions need to be made, technical direction clarified, and execution carried through to a stable, usable result.
I work on both new applications and existing systems, often as part of a team in long-term collaboration.
What I help with
I usually help when a company needs more than another item completed from the backlog.
That can mean a new internal system, improvement of an existing application, integrations, automation, or senior involvement in a specific part of the project.
New web applications and internal systems
Design and build an application for a process that standard tools no longer cover.
Improving and stabilising existing applications
Improve, simplify, or stabilise a system that needs to keep supporting operations.
Integrations across tools, data, and systems
Connect internal tools, data, and external systems without unnecessary manual work.
Automation and contract development support
Automate workflows or add senior involvement to an important project phase.
How the work usually works in practice
Understand the situation first, then define a practical next step
The work does not start with a large estimate in the dark. First we need to understand what the software should support, where the main risk sits, and which first step makes both business and technical sense.
Depending on the situation, the next step may be a first-release plan, a technical audit, taking over an existing application, integration work, or longer-term contract support inside the team.
- map goals, constraints, operations, and technical context
- define the first phase or technical approach
- deliver in smaller connected steps
- adjust decisions based on impact and priorities
Typical project situations
The strongest fit is work tied to important business processes where technical decisions have operational consequences.
The strongest fit is software that directly affects how the company operates.
1Where this fits best
The work is not only about shipping another feature. It is about understanding the process, users, data, risks, and technical constraints so the application still makes sense after the first version.
- the company needs a dedicated application for an important process
- an existing system needs to be taken over, simplified, or improved
- integrations between systems are becoming critical
- the team needs senior technical capacity for a specific part of the project
2How the work usually runs
I can work independently or as part of the team. The next steps are adjusted continuously based on real project needs, impact, and priorities.
- understand project context, goals, and constraints
- define the next step and first meaningful phase
- work independently or as part of the team
- adjust decisions based on real project needs
3What clients usually get
That can mean a usable first version, a more stable existing system, less manual work, or clearer decisions for the next phase.
- clearer technical direction and next steps
- a usable first version or a more stable existing system
- less manual work and fewer ad hoc fixes
- better alignment between process, data, and application
Engagement model
The collaboration model follows the project situation, not a universal template.
Sometimes it makes sense to start with a smaller first phase that validates scope and technical direction. In other cases, the need is to take over an existing application, add senior capacity to a team, or own a specific integration workstream.
The important part is making clear what the first phase should achieve, where the risks are, and how the work should continue based on the real state of the project.
- initial mapping of the situation and proposed next step
- first phase, takeover, audit, or contract involvement depending on need
- ongoing implementation and priority decisions
- option to continue long-term when the collaboration makes sense
Projects and references
I work on projects where software is not just a presentation layer, but part of how the company operates.
Typical work includes internal systems, client portals, integration logic, workflow automation, takeover, and ongoing development of existing applications.
End-to-end application delivery
Projects with ownership across the full lifecycle: architecture, implementation, deployment, and long-term operation.
Team delivery and collaboration
Commercial project work inside delivery teams and on top of existing engineering processes.
Frequently asked questions
Can you work with companies that already have a team?
Yes. I can own a separate workstream, add senior capacity, or work as a contractor inside an existing team.
Does it make sense to reach out if we do not know the exact scope yet?
Yes. That is often the right moment to map the situation, risks, and first practical step instead of producing a large estimate too early.
Do you work on new projects or existing applications?
Both. For new projects I help define the first version, data model, user roles, and process fit. For existing applications I work on takeover, stabilisation, simplification, and further development.
How do we know whether the project is a good fit?
The strongest fit is usually a web application, internal system, integration, automation, takeover, or contract collaboration with real operational impact.
Do you have a specific project or situation?
Send a short description. I will suggest the next step or say directly if the collaboration is not a good fit.