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Senior Full Stack Developer (Lisbon, Oporto, Braga)

Ryan VAT Systems is an international group, offering services in the area of VAT compliance, tax representation and foreign VAT recovery to Key Account clients in Europe. Ryan VAT Systems is part of Ryan LLC Group ( Headquartered in the United States, with 2,500 employees in 4 continents, Ryan LLC is the largest firm in the world exclusively dedicated to corporate taxation.


Senior Full Stack Developer (Lisbon, Oporto, Braga)


Job Summary: 

As a member of the Unity Development Team, this position will be a critical contributor to an ambitious strategic initiative with the goal of re-envisioning a broad suite of enterprise level applications. Aiming to create simple and compelling user experiences, the Senior Full Stack Developer will be required to draw on a depth of design and engineering experience building complex web applications and systems. Best equipped candidates will be highly proficient in front end frameworks (e.g. angular, react), C# and .NET, SQL, Typescript, JavaScript, CSS, HTML, web services, and testing practices. PHP is a plus. Candidates will be required to interface directly with product management, other business groups, customers, and key stakeholders demanding exceptional communication and inter personal skills.


The Unity Development Team promotes an open-minded atmosphere of learning and growth and expects the same from candidates. We want to foster a positive and enthusiastic can-do attitude with our work. Candidates should have a sense of where things are going and have experience using best of breed tools, technologies, and practices. This role is a formative one for the future of application development within Ryan, LLC and will be best filled by candidates hungry to have a huge impact.


Duties and Responsibilities:

  • Develop user experiences using latest best of breed languages and frameworks in .NET ecosystem.
  • Design and develop application architectures drawing from a deep understanding of languages, algorithms, and design patterns.
  • Experience building enterprise quality market facing products with professional user interfaces.
  • Develop task plans and development schedules for achieving project objectives and    deliverables.
  • Develop and maintain software applications according to specifications.
  • Code, test and debug application systems while maintaining source code control system and application software versioning.
  • Evaluate business processes, make recommendations, and implement system design enhancements/changes.
  • Interface with other departments within the company on system enhancements and modifications, problem resolution and special requests.
  • Implement systems and enhancements in accordance with current production change control guidelines and standards.
  • Document and define requirements for development and enhancement projects; and processes and procedures in the Applications Development area.
  • Maintain strong focus on customer service to all clients and assists with mentoring and training of junior members.
  • Participate in cross-training activities as required.
  • Work with external vendors when necessary.
  • Perform other duties as assigned.

    Education and Experience:

    Bachelor’s in Computer Science, Engineering, Mathematics or equivalent related work experience. Six or more years of practical applications development experience in a programmer or analyst capacity.

    Computer Skills:

    • Languages: Typescript, JavaScript (ES5/ES6), HTML, CSS, C#, and SQL. PHP is a plus.
    • Frameworks: Angular, React, Bootstrap, .NET
    • Extensive front end experience with knowledge of multi-tiered applications

    Supervisory Responsibilities:

    This position has no supervisory responsibilities but may assign tasks to junior team members at Manager’s discretion.

    Place of Work:

    Anywhere in Portugal (Lisbon, Oporto or Braga).


    If you wish to be considered for this role, please send us your CV to the together with the Reference: Full Stack Dev.


    Lisbon, Oporto, Braga
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    VAT Systems France and Portugal are certified ISO 9001: 2015 for all their operations and VAT Systems France is qualified OPQCM.