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At First Line Software, working with leading AI technologies is part of how we help clients build better, faster, and more adaptive systems.
Recently, our teammates became Claude-certified, our collaboration with Anthropic and its AI model Claude. The certification currently focuses on our delivery teams, but the shift is broader than that. Across departments, colleagues are already exploring how Claude can support their daily work, from early design decisions to complex implementation tasks.
We also took part in Anthropic’s first-ever Partner Kickoff, where conversations centered around how AI ecosystems are moving from experimentation to real-world impact — something we are actively seeing in our own teams.
Below, our engineers share what has changed for them in practice.
“Claude Code is a game-changer. It helps move from vague ideas to structured implementation much faster.”
For Tomasz, the biggest shift is not just in coding, but in how work is structured.
“There is a paradigm shift. You manage the process — you plan better, define everything in detail, and only then let the model execute.”
Instead of jumping straight into implementation, his workflow now starts with structured brainstorming and planning. Claude then supports execution based on that clarity.
“An entire app built in an autonomous loop. After proper planning, it executed in about an hour and worked out of the box.”
Roman describes a shift from seeing LLMs as simple assistants to treating them as systems that require careful design.
“Now I think in terms of interaction architecture — how prompts, context, and instructions work together as a system.”
He now uses Claude across the full development lifecycle.
“I use LLM agents for exploration, debugging, code review, and even architectural guidance.”
A key moment for him came during debugging:
“An agent went as far as inspecting a DLL to understand how a library worked and fixed the issue without documentation. That changed how I see these tools.”
Dawid describes a clear role shift.
“I rarely write code manually anymore. I define what needs to be delivered and verify the output.”
For him, Claude works best when the target is clearly defined.
“The job shifted from writing code to deciding what good looks like and validating it.”
“I rewrote a legacy web application to a modern stack about 10x faster than manually. The key was clarity and verifiable outputs.”
Sergey sees Claude as especially useful in complex or unfamiliar environments.
“In outsourcing, you often need to ramp up quickly or understand large legacy systems. Claude helps accelerate both.”
He uses it as a companion during exploration and analysis.
“It can act as a domain tutor or a project mentor, helping you understand architecture and dependencies faster.”
“Don’t overthink it. Treat Claude like a daily work partner — similar to pair programming for thinking, not just coding.”
For Artem, success depends less on prompting and more on structure.
“The biggest improvement comes from building a context system, not from prompt tweaking.”
He emphasizes the importance of the environment around the model.
“Claude performs best when you combine it with clear project rules, memory, and structured context files.”
When that foundation is in place, even complex tasks can be handled with minimal input.
Across our delivery teams, a consistent pattern is emerging: Claude is changing not just how we code, but how we define work itself.
More time is spent on thinking, structuring, and validating. Less on repetitive implementation. And more responsibility is shifting toward clarity of intent and design.
This is not a tool replacement — it is a change in workflow design.
Our collaboration with Anthropic and our experience with Claude continues to shape how we approach software engineering.
What started as certification is now becoming part of everyday engineering practice — and it is expanding beyond delivery teams into the wider organization.
We are still early in this journey, but one thing is already clear: AI is most valuable when it becomes part of how teams think, not just what they use.
Claude is not replacing engineering work. It is changing how that work is structured, planned, and delivered — across teams, roles, and disciplines at First Line Software.