Senior Fullstack Engineer (.NET & Vue)
Location:
Lisbon / Oeiras
We are partnering with a well-established SaaS company in Lisbon that delivers enterprise-grade fleet management software to rental, leasing, and mobility organizations worldwide. The company is backed by solid investment and is currently strengthening its engineering team to accelerate product evolution, performance improvements, and architectural modernization. This is a unique opportunity to work on a globally used product, influence technical decisions, and contribute to a mature yet evolving platform.
The role
As a Senior Fullstack Engineer, you will work across the stack, delivering new features, enhancing the architecture, improving performance and ensuring overall product quality. You will help shape the future of the technology, bringing new ideas to life while maintaining a high standard of engineering excellence.
Key responsibilities
* Build modern, user-friendly web applications with
* Develop backend services and REST APIs using .NET 5+ (C#)
* Contribute to architectural decisions and platform evolution
* Ensure high standards of code quality, testing, and security
* Perform code reviews and promote best engineering practices
* Collaborate closely with Product and QA teams
* Provide technical guidance and mentoring to other engineers
Required experience and skills
* 5+ years of professional software development experience
* Strong autonomy, ownership, and problem-solving skills
* Solid experience with .NET 5+ (C#)
* Experience with or another modern frontend framework
* Hands-on experience with REST APIs
* Good understanding of SQL and relational databases
* Proficiency with GIT
* Familiarity with software design principles and architecture
* Experience working in Scrum or agile environments
* Fluency in English
Nice to have
* Domain-Driven Design (DDD)
* SOLID principles & Clean Code mindset
* Azure DevOps & CI/CD pipelines
* Dapper or Entity Framework
* Messaging protocols
* Experience in SaaS or mobility-related products
Benefits
* Health insurance for the employee and children under 18 (after 3 months)
* Gym membership (after 3 months)
* Coverflex Card (flexible benefits)
* Meal allowance paid via Coverflex Card
* Extra day of holiday on your birthday (if it falls on a working day)
* Extra holiday day for every 5 years of employment
* 2 days per year for volunteering / charity work
* Free coffee and fresh fruit at the office
* Monthly team lunch on the last Thursday of each month
This role is ideal for engineers who want meaningful impact, working on a stable, globally used product while helping to modernize and shape the platform for the future.