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Location
In office (Paianía)
Seniority
Junior · 2+ years exp

Confirmed on the employer's own hiring board on Nov 8, 2026. First seen by Alion on Nov 5, 2026. Metlen Energy & Metals scores A on the Alion truth index.

Overview
Company
Impact
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Metlen Energy & Metals, formerly Mytilineos, is a Greek industrial and energy group headquartered in Marousi near Athens that develops renewable and storage projects, builds power plants and grid infrastructure, supplies electricity and gas, and produces aluminium and alumina. Founded in 1990 from a metallurgical family business active since 1908, it operates in more than 30 countries and its holding company METLEN PLC is listed in London and Athens. Its careers board lists site, electrical and structural engineers, HSE specialists, O&M technicians, project and procurement managers and analysts in Greece.

We are currently looking for a Frontend Developer (1-year fixed-term contract) to join Joule, our new energy software company, part of our Integrated Energy Utility Division, based in Paiania.

By joining this role, you will contribute to the development of modern, user-friendly digital applications, creating intuitive interfaces and scalable frontend solutions that support innovative energy services and smart energy systems.

Your Role Will Encompass:

  • Designing, developing, and maintaining responsive web applications using React or similar JavaScript frameworks.
  • Translating UI/UX designs into functional, user-friendly web interfaces and developing reusable frontend components.
  • Integrating REST APIs and collaborating with backend developers to deliver seamless full-stack solutions.
  • Ensuring application performance, usability, and maintainability by following clean code principles and programming best practices.
  • Collaborating with cross-functional teams, using Git for version control and contributing to the continuous improvement of our digital products.

What You Bring to the Role:

  • A degree in Computer Science, Software Engineering, or a related field will be preferred.
  • 2+ years of professional experience in Frontend Development.
  • Very good knowledge of React or a similar JavaScript framework (Angular, Vue, etc.), along with a strong understanding of HTML5, CSS3, and JavaScript (ES6+).
  • Good understanding of fundamental Computer Science concepts, clean code principles, reusable component development, UI/UX principles, and REST API integration.
  • Experience with Git and version control workflows.
  • Familiarity with frontend testing tools and design tools such as Figma, Canva, or similar platforms will be considered an asset.

Share the same Value Based Behaviors:

  • People & Personal growth.
  • Results orientation & Safety excellence.
  • Collaboration & Trust.
  • Empathy & Effective communication.
  • Flexibility & Adaptability.

Your Benefits:

  • Competitive remuneration package.
  • Ticket Restaurant.
  • Group Health Insurance program.
  • Pension Plan.
  • Cooperation, creativity and innovation: we adopt flexible cooperation models to achieve fast results and increased productivity.

At METLEN, we combine industrial expertise with a global outlook to help shape a more sustainable future. As a FTSE 100 company listed in London, we operate across the Energy and Metals sectors, with activities spanning five continents and more than 40 countries. In 2025, we recorded consolidated revenue of €7.107 billion and EBITDA of €753 million, supported by a workforce of over 9,000 dedicated individuals.

From integrated energy solutions and renewable technologies to green metallurgy, critical metals and advanced manufacturing, our work addresses some of the most significant challenges facing industry today. Our people make this possible through innovation, teamwork and a commitment to safety and continuous improvement. At METLEN, you can contribute to projects with global reach while developing your skills and helping create lasting value.

Follow us on LinkedIn and stay updated on our latest news

We respect your personal data. All personal information in your application and CV will remain strictly confidential.

At Metlen we are proud to have Diversity and Inclusion at the centre of everything we do. We are committed to Equal Employment Opportunity regardless of race, colour, national origin, ethnicity, gender, age, disability, sexual orientation, gender identity or religion.

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