Freelance Frontend Web Developer

As a Freelance Senior Frontend Developer, you’ll take the lead in designing, developing, and delivering advanced web applications for our clients. You’ll play a leading role in defining technical strategies, mentoring other developers, and ensuring successful outcomes for both the team and stakeholders. Working with modern technologies like TypeScript, React, and Svelte, you’ll join a team that values collaboration, technical excellence, and continuous learning. This role would be project based on an on-call basis.

What You’ll Do:

• Take ownership of complex frontend projects and steer them from start to finish.

• Make informed architectural decisions and ensure they align with our established standards.

• Lead implementation using React (Contexts & Hooks), Svelte, and TypeScript.

• Be the go-to person for stakeholders, clients, and dependent teams.

• Mentor and support medior and junior developers, helping them grow.

• Provide structure and guidance to your team during challenging phases.

• Contribute to and help shape internal standards within the Web team.

• Support pre-sales processes for new or ongoing clients by estimating and scoping projects.

• Justify technical decisions and approaches directly to clients.

• Conduct code reviews and uphold quality standards across the team.

  
  

Requirements:

• 5+ years of experience in frontend development, with a senior-level mindset.

• Solid experience with TypeScript, React (Hooks, Context), and/or Svelte.

• Proven ability to architect frontend solutions and drive technical strategy.

• Experience mentoring developers and fostering team growth.

• Comfortable in a client-facing role, including pre-sales and scoping.

• Experience with unit testing (e.g., React Testing Library, Jest).

• Experience with streaming video and DRM is a plus.

  
  

We offer:

• Working hybrid model

• Benefits to discussed

• Flexible working hours

• The use of Pluralsight for self-development purposes

• Convenient office location, next to ECS in Gdańsk

• Free parking spot