Javascript Full-Stack Developer

Javascript Full-Stack Developer
Viseu
Viseu, Viseu District, Portugal

Job ID

Posted since

20-Nov-2025

Organization

Mobility

Field of work

Research & Development

Company

SIEMENS MOBILITY, UNIPESSOAL LDA

Experience level

Mid-level Professional

Job type

Full-time

Work mode

Office/Site only

Employment type

Permanent

Location(s)

• Amadora - Lisboa - Portugal

Siemens Mobility Portugal is a leading provider of innovative mobility products and solutions. Software solutions and customer services along the
- ranging product life cycle complete the portfolio. Siemens Mobility empowers its customers to understand their Io
T data, generated from rail assets, allowing them to gain valuable insights and get more out of their systems.

We are looking for a Java
Script Fullstack Developer (m/f/d) to join our Innovation Team

In this role, you will be responsible for:

• Engage in designing and developing
  - friendly frontend interfaces using, Java
  Script and Type
  Script.
• Support backend development with Phyton, contributing to RESTful API with Fast
  API.
• Convert design prototypes into functional and responsive interfaces.
• Deploy, monitor, and maintain applications on cloud platforms like AWS or Azure with guided support.
• Work as part of an Agile team, participating in sprints, code reviews, and
  - team collaborations.
• Stay curious and continuously improve your prompting skills to better apply generative AI tools for coding, debugging, and productivity enhancement.

We're looking for someone who has:

• 4+ years of
  - on experience in, creating reusable components and working on responsive designs, SPAs and SSR.
• Authentication Knowledge (eg. , OAuth 2. 0 JWT).
• Solid foundation in Java
  Script/ES6+ and Type
  Script.
• Knowledge of user experience (UX) principles to understand design implementation.
• Experience with Web build tools (eg. , Vite, Webpack, Parcel, Rollup).
• Some experience with AWS and/or Azure, such as deploying or handling services in the cloud.
• Familiarity with database operations, specifically SQL and/or No
  SQL databases, to handle and process data.
• Experience with Agile methodologies, (e. G. , working in sprint cycles with daily
  - ups and Jira/ticket management).
• Proficiency in English, with good communication and teamwork skills.
• Solid grasp of Figma or other UX/UI prototyping tools, understanding of CI/CD pipelines and deployment processes and familiarity with testing frameworks for both frontend and backend are nice to have skills.

What you can expect from us:

A flexible working model to promote a better
- life balance, a health insurance and access to our
- site medical center. 2 volunteering days a year and 4 additional bridge days per year. In addition, you'll have access to exclusive discounts on Siemens and Bosch brands, and access to Siemens Learning Platforms that allow for internal online courses, as well as external platforms such as Coursera, Udemy, and Linked
In Learning.

If this sounds exciting to you, then send us your application – in English – and we will get back to you

At Siemens Mobility we believe physical barriers are not related to potential. Only the potential matters to us. We are dedicated to quality, equality and valuating diversity. Therefore, we encourage applications that reflect the diversity of the communities within which we work.