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Fireart Studio Logo Fireart Studio · IT - Software Development

Senior Full Stack Developer

Poland, Warsaw · Job Posted April 11, 2026
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Job Description

We are looking for a Senior Full Stack Developer to join our team to produce scalable software solutions. You’ll be part of a cross-functional team that’s responsible for the full software development life cycle, from conception to deployment. As a Senior Full Stack Developer, you should be comfortable around both front-end and back-end coding languages, development frameworks and third-party libraries.

Job Responsibility

  • Discover and implement new technologies that yield competitive advantage
  • Find opportunities to automate manual processes and creatively add value to the project
  • Maintain high standards of software quality within the team by establishing good practices and habits
  • Identify and encourage areas for growth and improvement within the team
  • Work with the development team and product managers to ideate software solutions
  • Design client-side and ideally server-side architecture
  • Build the front-end of applications through appealing visual design
  • Ideally develop and manage well-functioning databases and applications
  • Supervise system infrastructure to ensure functionality and efficiency
  • Monitor KPIs to assess technological performance
  • Be able to write effective APIs
  • Test software to ensure responsiveness and efficiency
  • Troubleshoot, debug and upgrade software
  • Experience with browser-based debugging and performance testing software
  • Use stakeholders’ feedback to inform necessary improvements and adjustments to technology

Requirements

  • JavaScript & TypeScript: Proficiency in JavaScript and solid experience (or strong interest) in using TypeScript
  • Frontend & Layout: Experience with semantic HTML, CSS, and static site generators such as Next, Gatsby, or Nuxt
  • PHP Backend: Proven experience developing web applications with PHP, preferably using frameworks like Laravel or Symfony
  • Data Management: Relational Databases: MySQL, PostgreSQL
  • NoSQL & Caching (Desired Plus): Redis, OpenSearch
  • Infrastructure & Tooling: Familiarity with Docker and browser-based debugging software

What we offer

  • 21 paid days off per year
  • Health insurance
  • Learning resources
  • Competitive compensation depending on experience and skills
  • A friendly team of like-minded people
  • Opportunities for learning and development
  • Compensation for sick leaves
  • 21 working days paid vacation + all Poland national holidays
  • Corporate events and activities
  • Private medical care
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