Senior Frontend Developer On-site INSCALE Lisbon November 28, 2025

We drive our clients' growth through our IT expertise, with nearly two decades of top talent acquisition strategies and industry knowledge. We specialize in attracting the best tech talents and creating dedicated teams, whether remotely, in‑house, or in global tech hubs.

Do you want to be part of our digital journey and help shape the future of STARK's e‑commerce, digital services, and sustainability solutions?

Omni‑channel customer experiences, digital services, and sustainability have become a vital part of STARK's business. STARK is continuously developing IT solutions that support our customers in their daily work and help them make more sustainable choices.

STARK is now looking for a Senior Frontend Developer to join their digital development team and take a leading role in building modern, scalable, and user‑friendly digital solutions. A big part of your work will be focused on STARK Klima
Log – our digital platform that enables customers to calculate, document, and reduce the CO₂ footprint of their building projects. Klima
Log is already one of the most advanced sustainability tools in our industry, and you will help us take it to the next level.

Responsibilities

• Technical guidance, planning, directing and solutioning within your own value stream and technical domain
• Development and implementation of standards that ensure high quality software
• Collaboration with other development teams to support the overall direction of STARK IT and the IT landscape
• Collaboration with Architects on long term technical roadmaps balance our need to move fast in the market while maintaining stability on our technical platforms
• Participate in internal and external networks to be on the forefront of technology and share this you're your colleagues
• Coaching of internal junior colleagues on best practice in terms of software development, team work, cross team work, estimation, guestimation, technology selection, and QA.

Main Requirements

• +5 years of Frontend software development experience
• Experience with Next. js
• Experience with building headless applications and headless architecture (must have)
• Experience with working in a software development environment with many dependencies towards other teams and stakeholders
• Experience with writing, understanding and translating business level acceptance criteria into technical designs for the team
• You have a flexible but organized work style
• You have experience working on an international scale with a variety of cultures

Nice to Have

• Experience with building different ecommerce solutions
• Experience with Microsoft Azure Dev
  Ops