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Full Stack Developer
Sigma Software · Lisbon, Portugal
About The Role
- Design, develop, and maintain scalable Full Stack solutions using Node.js, TypeScript, and React
- Collaborate closely with Product Managers, Designers, QA Engineers, and developers to deliver high-quality product features
- Contribute to onboarding, payment, trial, and pricing experience improvements
- Participate in technical discussions, architectural decisions, and solution design activities
- Improve system reliability, scalability, and performance within a cloud-based infrastructure
- Write clean, maintainable, and well-tested code following engineering best practices
- Participate in code reviews and knowledge-sharing initiatives
- Contribute to CI/CD improvements and engineering process optimization
- Support cross-team initiatives focused on developer experience and operational efficiency
- 4+ years of commercial software development experience
- Strong Back-end development experience with Node.js and TypeScript
- Good Front-end development skills with React and TypeScript
- Experience working in product-oriented environments
- Knowledge of cloud infrastructure and DevOps practices
- Experience with AWS services such as EC2, ECS, RDS, and S3
- Experience with relational databases and caching solutions including MySQL and Redis
- Familiarity with CI/CD tools and infrastructure automation practices
- Understanding of software engineering best practices and scalable system design
- Strong communication and collaboration skills
- Upper-Intermediate or higher English level
WILL BE A PLUS
- Experience with Terraform, Ansible, SonarQube, GitLab CI/CD, and ELK stack
- Experience working with subscription-based or SaaS products
- Knowledge of experimentation platforms, pricing systems, or payment integrations
- Experience contributing to product growth initiatives and customer journey optimization
PERSONAL PROFILE
- Proactive and collaborative team player
- Product-minded engineer with strong ownership mentality
- Passionate about learning and continuous improvement
- Comfortable working in cross-functional international teams
- Open to innovation and process improvements
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