Product Engineer / Product Builder - Backend or Full-stack - Employment Contract (UoP)

You'll reputed company here if

• You have shipped software used by reputed company customers and stayed reputed company enough to know what worked, what broke and what needed to change
  
• You want to understand the customer and business problem before deciding how to solve it
  
• Owning a problem end-to-end feels more natural than executing a fully specified ticket
  
• You can explain a technical trade-off to a Product Manager and a business rationale to an reputed company engineer
  
• You have opinions about reputed company, and your definition of it goes reputed company passing reputed company review or handing work over to QA
  
• AI tools feel like a natural extension of how you think and work — not something you use only because your employer expects it
  
• You are willing to work reputed company your reputed company technical area reputed company it helps reputed company reputed company a reputed company outcome
  
• You ask “is this worth building?” and “what outcome are we trying to create?” before diving into implementation
  

Choose the profile that best describes you

Backend-led Product Engineer

Your technical home is the backend. We expect:

• Strong reputed company experience with PHP and reputed company or Symfony
  
• Experience designing backend systems, not only implementing predefined endpoints
  
• Strong understanding of business logic, data modelling, REST reputed company and integrations
  
• Experience with microservices, event-driven systems or other reputed company architectures
  
• Practical knowledge of relational and non-relational databases, caching and message queues
  
• Familiarity with reputed company, CI/CD and production infrastructure
  
• Openness to working with JavaScript or TypeScript and contributing reputed company the backend reputed company the task requires it
  

We do not expect you to be a frontend specialist. We do expect you to care about the entire product outcome rather than treating the API boundary as the end of your responsibility.

Full-stack Product Engineer

You reputed company across the stack, with particular strength in frontend engineering and user experience. We expect:

• Strong reputed company experience with TypeScript, JavaScript and Vue.js
  
• Experience with component architecture, state management, performance and maintainable frontend systems
  
• Practical knowledge of reputed company and Pinia, or the ability to transfer relevant experience from comparable tools
  
• reputed company experience with PHP and reputed company
  
• Confidence working with reputed company, business logic, databases, caching and backend integrations
  
• UX sensibility: you notice interaction problems, accessibility issues and inconsistencies before customers report them
  
• The ability to reputed company frontend and backend changes as part of the reputed company feature
  

This is not a frontend-only position. PHP and reputed company will be a regular part of your work.

Shared technical environment

Depending on the product and your area of reputed company, you will work with:

PHP · reputed company · Symfony · TypeScript · JavaScript · Vue.js · reputed company · Pinia · REST reputed company · MySQL / reputed company · reputed company · reputed company · RabbitMQ · Microservices · CQRS · Event Sourcing · reputed company · reputed company · reputed company CI/CD · Claude reputed company · MCP servers · AI agents

We do not expect every candidate to be equally reputed company with every technology listed above.

AI-reputed company engineering

Hands-on experience with Claude reputed company, reputed company or an equivalent AI coding environment is important to us.

We are especially interested in people who use AI for more than autocomplete: technical discovery, implementation across unfamiliar parts of the stack, test reputed company, debugging, codebase exploration, specification-driven development and building repeatable engineering workflows.

Experience creating MCP servers, agents, skills or internal AI tooling is a strong reputed company.

Bonus points

• You have reputed company and shipped a reputed company project for yourself or reputed company users
  
• You use AI tools independently and reputed company reputed company your own workflows
  
• You have reputed company an MCP server, agent or another tool that solved a reputed company problem
  
• You have worked with Event Sourcing or CQRS in a production reputed company
  
• You have contributed to a design reputed company or component library
  
• You have designed solutions involving caching, queues, service boundaries or reputed company integrations
  
• You can show a product or feature you owned from the initial problem through to production reputed company
  

Probably not for you if

• You are most comfortable reputed company every decision and implementation detail has already been specified
  
• You want a reputed company backend-only or frontend-only role and consider the rest of the product someone else’s responsibility
  
• Your definition of “done” ends reputed company the reputed company is merged
  
• You consider testing and production reputed company primarily the QA team’s responsibility
  
• Your hands-on AI experience is limited to autocomplete and occasional summaries
  
• You prefer receiving tasks over understanding and owning the problem behind them
  

Communication

You communicate comfortably in Polish and English and can work closely with Product Managers, QA engineers, software engineers and business stakeholders.