Senior Node.js Developer (Remote Spain)

Cactus is a software development company, providing full-cycle services for the European market. More than 170 companies increased business productivity using solutions developed by Cactus programmers. The company has been regularly included in the listings of the best software development companies in Belgium and Europe.

Cactus is ready to expand the team with a Senior Node.js Developer in its hub in Seville. In this role, you will be vital in designing, developing, and maintaining mission-critical web applications and APIs. You will work closely with cross-functional teams to drive architectural decisions, implement robust and scalable solutions, and ensure the delivery of high-quality software products.

What you will do:

• Design and develop highly scalable and efficient backend systems using Node.js, TypeScript, and modern JavaScript frameworks and libraries.
• Leverage your expertise in Domain-Driven Design (DDD), Clean Architecture, and other architectural patterns to build maintainable and extensible applications.
• Design and implement RESTful APIs, ensuring adherence to industry best practices and standards for API design, documentation, and security.
• Ensure the security and compliance of the backend systems, adhering to industry standards and best practices for data protection, access control, and regulatory requirements.
• Collaborate with frontend engineers, DevOps teams, and other stakeholders to ensure seamless integration and deployment of backend services.
• Implement robust testing strategies, including unit, integration, and end-to-end testing, to ensure the reliability and quality of the codebase.
• Leverage AWS services such as EC2, S3, RDS, Lambda, and others to build scalable and resilient applications.
• Continuously monitor and optimize application performance, identifying and resolving bottlenecks and performance issues.
• Participate in code reviews, mentoring junior engineers, and promoting best practices within the team.

What we expect:

• 5+ years of industry experience in software engineering, with a strong focus on backend development for full-stack web applications.
• Proven expertise in Node, TypeScript, and modern JavaScript development methodologies, processes, and tooling.
• Thorough understanding of architectural patterns and principles, such as Domain-Driven Design (DDD) and Clean Architecture.
• Extensive experience with API design and implementation, including RESTful APIs, API documentation, and API security.
• Knowledge of microservices architectures and event-driven architectures.
• Hands-on experience with multiple AWS services, including EC2, S3, RDS, Lambda, and others, for at least 2 years.
• Strong problem-solving and analytical skills, with a keen eye for detail and a commitment to delivering high-quality code.
• Excellent communication and collaboration skills, with the ability to effectively articulate technical concepts to both technical and non-technical stakeholders.
• Proficiency in English, both written and verbal.

**Preferred Qualifications:**

• Experience with containerization technologies such as Docker and AWS ECS.
• Familiarity with serverless architectures and serverless frameworks (e.g., AWS Lambda, AWS Serverless Application Model).
• Experience with agile software development methodologies and continuous integration/continuous deployment (CI/CD) practices.
• Experience/understanding of Function Programming and its benefits (bonus but not required).
• Experience with Terraform/Terragrunt (bonus but not required).
• Experience leading software teams (bonus but not required).

To ensure your comfortable working environment we offer:

• Gross annual salary up to 50K.
• Flexible working hours.
• Health insurance.
• Work-related courses, certifications, and books.
• English classes several times a week.
• Opportunity to work remotely in an international environment.
• Get-together team events.