Senior Full Stack Developer (.NET & React)

Axians; Lisboa; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Flexible work regime

Employee Stock Options plan

Employee Assistance Program

Flex Benefits Plan

Health and Life Insurance

Up to 6 extra vacation days per year

Parental leave +5 days

Job summary

Join Axians in Lisbon as a Senior Full Stack Developer ( .NET & React ). You will design, develop and maintain scalable full‑stack applications for public sector digital transformation projects.

Work with RESTful APIs, microservices, and SPA front-ends, ensuring code quality and performance. You’ll collaborate across business and technical teams, contribute to architecture decisions, and participate in Agile ceremonies in a hybrid environment.

Qualifications

• Bachelor’s degree in Computer Engineering (QNQ Level 6).
• 7+ years of experience with .NET Core development.
• 3+ years of experience with ReactJS.
• Strong experience in RESTful Web API development.
• Proficiency with ORM frameworks such as Entity Framework Core or Dapper.
• Solid understanding of microservices architecture.
• Experience with SQL Server and/or PostgreSQL.
• Experience developing SPAs using React.
• Familiarity with unit testing frameworks such as xUnit or NUnit.
• Proficiency in Git and Gitflow workflow.
• Strong knowledge of Clean Code and Clean Architecture principles.

Responsibilities

• Design, develop, and maintain scalable full-stack applications using .NET Core and React.
• Develop and integrate RESTful APIs and microservices.
• Collaborate with business and technical teams throughout the software development lifecycle.
• Ensure code quality through testing, code reviews, and best development practices.
• Contribute to architecture decisions and continuous improvement initiatives.
• Support deployment, maintenance, and performance optimization activities.
• Participate in Agile ceremonies and contribute to project delivery goals.

Skills

Bachelor's degree

NET Core

ReactJS

RESTful API

EF Core / Dapper

Microservices

SQL Server / PostgreSQL

SPA with React

Unit testing (xUnit/NUnit)

Git / Gitflow

Clean Code / Clean Architecture

Education

Bachelor’s degree in Computer Engineering (QNQ Level 6)

Tools

Docker

Kubernetes

Job description

Join Axians, where innovation thrives on trust and autonomy, and where every challenge is an opportunity to create technology with impact.

We’re looking to hire a Senior Full Stack Developer (.NET & React) to join our Team in digital transformation projects.

Project Scope

Work on custom software development projects with a strong impact on the Public Sector. Collaborate with multidisciplinary teams to design, develop, and maintain scalable applications, ensuring high-quality solutions that support critical services and digital transformation initiatives.

Mandatory Skills

• Bachelor’s degree in Computer Engineering or a related field (Level 6 of the Portuguese QNQ).

• More than 7 years of experience with .NET Core development.

• More than 3 years of experience with ReactJS.

• Strong experience in RESTful Web API development.

• Proficiency with ORM frameworks such as Entity Framework Core or Dapper.

• Solid understanding of microservices architecture.

• Experience with relational databases (SQL Server and/or PostgreSQL).

• Experience developing Single Page Applications (SPAs) using React.

• Familiarity with unit testing frameworks such as xUnit or NUnit.

• Proficiency in Git and Gitflow workflow.

• Strong knowledge of Clean Code and Clean Architecture principles.

Nice to Have

• Experience with containerization technologies such as Docker and Kubernetes.

• Knowledge of Ágora Design System.

• Experience setting up and maintaining CI/CD pipelines.

• Previous experience in Public Sector projects.

Responsibilities

• Design, develop, and maintain scalable full-stack applications using .NET Core and React.

• Develop and integrate RESTful APIs and microservices.

• Collaborate with business and technical teams throughout the software development lifecycle.

• Ensure code quality through testing, code reviews, and best development practices.

• Contribute to architecture decisions and continuous improvement initiatives.

• Support deployment, maintenance, and performance optimization activities.

• Participate in Agile ceremonies and contribute to project delivery goals.

Location

• Lisbon, Portugal

Remarks

Hybrid work model.

What We Offer

• Flexible work regime;
• Employee Stock Options plan;
• Employee Assistance Program;
• Flex Benefits Plan;
• Health and Life Insurance;
• Up to 6 extra vacation days per year;
• + 5 extra days of parental leave;
• Internal mobility across geography, role, or industry;
• Developmental mindset and continuous learning opportunities;
• Opportunity to develop solutions for critical services in our society and help design a better future for all.

Axians is the VINCI Energies brand dedicated to Information Technology and Digital Transformation. With an international presence and a people-to-people approach, we combine technology, innovation, and proximity to create real impact for organizations and society.

At Axians, we believe that talent does not fit a single profile. We value diversity and promote an inclusive environment where everyone has the opportunity to grow and contribute. If you have a disability or impairment, we are committed to ensuring equal opportunities throughout the recruitment and onboarding process. Whenever needed, we provide reasonable accommodations so that you can participate on an equal basis.