Tech Lead / Senior Full-stack Developer – E-commerce Solutions

Are you an experienced technical leader who enjoys combining hands-on development with strategic decision-making? We are currently recruiting a Tech Lead / Senior Full-stack Developer for one of our clients in the healthcare and manufacturing industries. This role focuses on building modern, scalable e-commerce platforms with strong emphasis on performance, analytics, security, and user experience.

About the Role

In this position, you will play a key role in shaping technical direction, designing robust solutions, and guiding the development team toward best practices. You will act as a trusted technical partner for both the client and internal teams, ensuring long-term quality and scalability.

What We’re Looking For

We are seeking a highly experienced professional with deep expertise in modern web technologies and e-commerce platforms, who can work independently, take ownership of technical solutions, and confidently advise stakeholders.

Required skills and experience:

• Proven e-commerce experience (5+ years) in complex, production-grade environments

• Strong, hands-on expertise in Next.js and React

• Experience with Contentful (headless CMS) and content-driven architectures

• Familiarity with Lokalise for localization management

• Experience working with Microsoft Azure (cloud services, deployments, monitoring)

• Daily use of GitHub, including code reviews and branching strategies

• Experience with Jira and agile delivery methodologies

• Solid understanding of Google Analytics and tracking implementations

• Experience integrating and maintaining LoyJoy chatbot

• Knowledge of Usercentrics for cookie and consent management

• Previous experience in a Tech Lead role, including mentoring developers and reviewing system architecture

• Ability to make and defend technical decisions with a business-oriented mindset

• Strong communication skills and experience working directly with clients and stakeholders

What You’ll Do

• Lead and contribute to international projects using modern JS, CSS3, and HTML5 technologies

• Design, develop, and maintain highly responsive applications with Next.js and React

• Serve as a technical advisor on architecture, technology selection, and scalability

• Take ownership of full-stack and front-end architecture across projects

• Manage and integrate content using Contentful in a headless CMS ecosystem

• Build and evolve secure, high-performance e-commerce features

• Collaborate closely with Backend Developers, Designers, Project Managers, and Clients

• Optimize components for performance across devices and browsers

• Establish and promote best practices, coding standards, and review processes

• Mentor team members and support their technical growth through knowledge sharing and code reviews

What We Offer

• Competitive salary:

  • 20,000 – 23,000 PLN gross (UoP)

  • 154 – 174 PLN/hour (B2B)

• Real ownership of technical decisions and development processes

• High level of autonomy, trust, and influence over product and architecture

• Opportunities to grow through internal initiatives and interest groups

• Individual development budget for training, conferences, and personal growth

• Daily breakfast in our well-stocked kitchen

• Social benefits, including MultiSport card and private medical healthcare (LuxMed)

Ready to Join Us?

If you are passionate about leading technical teams and building high-quality digital products, we would love to hear from you. Apply now and help shape the future of scalable e-commerce solutions.