Senior AI-Native Software Engineer – Full Stack (React, Next.js, Node.js)

Our requirements

• 5+ years of commercial experience building web applications
• experience with JavaScript, TypeScript, React, Next.js, and backend development using Node.js
• experience building reusable AI workflows, prompts, skills, or agentic solutions
• understanding of concepts such as MCP (Model Context Protocol), tool integrations, or multi-agent workflows
• the ability to translate business requirements into scalable technical solutions
• understanding of software architecture and scalable system design
• ability to review and validate AI-generated code rather than relying on it blindly
• product mindset - you understand the business context behind the features you build and actively look for better solutions
• ability to work independently, manage priorities, and switch context when needed
• critical thinking, ownership, and proactive attitude
• advanced English communication skills (you'll use English every day within the team and directly with international clients)
• Polish language is a must

Optional

• experience building AI-powered developer tools or internal engineering platforms
• familiarity with Playwright or other automated testing frameworks
• contributions to open-source projects or active participation in technical communities
• willingness to travel occasionally for client workshops

Your responsibilities

• working in clients' teams as the equal team member
• building and developing frontend and backend features using React, Next.js, TypeScript, and Node.js
• designing application architecture, reusable modules and integration patterns
• translating business requirements into clear technical specifications for AI coding agents
• using AI coding agents (Claude/Codex) as part of your daily engineering workflow
• reviewing, validating, and improving AI-generated code
• building and improving AI-assisted engineering workflows, including reusable skills, prompts and testing practices
• contributing to software quality through automated testing, code reviews, and AIassisted validation
• taking ownership of technical solutions within your area of responsibility
• contributing to open-source libraries
• sharing knowledge and helping grow AI engineering practices within the the.good.code; community

About the project

This is how we organize our work

This is how we work on a project

• Clean Code
• code review
• documentation
• functional tests
• integration tests
• test automation
• unit tests
• manual tests

We value engineers who:

• take ownership of their work and deliver what they commit to
• work independently and manage their time without micromanagement
• care about quality instead of rushing delivery
• think about value and impact, not only implementation
• communicate clearly and work well in a remote environment
• raise issues early and treat feedback as part of growth
• enjoy collaboration and maintain a positive team attitude

Development opportunities we offer

• development budget
• intracompany training
• technical knowledge exchange within the company
• the company supports open source projects

Benefits

• sharing the costs of sports activities
• sharing the costs of foreign language classes
• sharing the costs of professional training & courses
• remote work opportunities
• flexible working time
• integration events
• birthday celebration
• Ownership

Recruitment stages

• 1.
  The application form - fill it out. We really read it!
• 2.
  45-min HR interview to learn about you
• 3.
  90-min tech interview to assess practical skills
• 4.
  60-min final interview with one of our Founders
• 5.
  References check
• 6.
  Welcome on board!

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