Senior Developer (contractor)

Shape Your World

At Alcoa, you will become an essential part of our purpose: to turn raw potential into real progress.

The way we see it, every Alcoan is a work-shaper, team-shaper, idea-shaper & world-shaper.

We’re looking for a Senior Developer in Hungary to join our global ACES team and help drive the evolution of our MES platform used across Alcoa’s Casthouse operations worldwide.

If you enjoy solving complex technical challenges in real‑time industrial environments, this role is for you.

Additional locations are Iceland, Norway, Spain.

This is your opportunity to help share the future of sustainability with world-changing innovations and low-carbon technologies.

Become a valued part of the team that’s shaping the future of aluminum, revolutionizing the way the world lives, builds, moves and flies.

Be part of it and shape your world.

About the role:

You’ll help modernize a mission‑critical platform, build integrations with real‑time industrial systems, and solve complex technical challenges that have immediate impact on manufacturing performance.

You’ll collaborate with colleagues across four continents and support plants in Europe.

This is a chance to work with modern technologies, contribute to large‑scale modernization initiatives, and be part of a team whose work directly impacts real‑world production.

What you’ll do:


* Develop and modernize .NET‑based MES components.


* Build integration with industrial systems (EBS, PI, LIMS, PLCs).


* Troubleshoot production issues and ensure system stability.


* Contribute to architectural decisions and modernization projects.


* Work with global teams and support European plants (Iceland, Norway, Spain).

What you bring:


* 5+ years of .NET development experience.


* Strong C#, .NET 10, SQL skills.


* Experience with Blazor, Web APIs, JavaScript, CSS.


* Fluent English.


* Advantage: MES, OSIsoft PI, Data Warehouse experience

What we offer:


* Global projects with real operational impact.


* Modern technologies and continuous improvement.


* Flexible work in the European time zone.


* A collaborative, international team.


* Potential travel up to 10%.

This position is fulfilled through an agency as a contractor.

Alcoa encourages applications from women, people of diverse backgrounds and those with different skills and life experiences.

Alcoa is proud to be an equal opportunity workplace and is an affirmative action employer.

About the Location

Alcoa is an international company with multiple locations and joint ventures across six continents.

Wherever you choose to join us, you'll be joining a global team committed to advancing sustainability and delivering excellence and innovation.

As industry pioneers, we are redefining what it means to be a sustainable aluminum company, bridging the journey from mines to metal.

We are values led, vision driven and united by our purpose of transforming raw potentia...