Senior Fullstack Developer

Syffer is an all-inclusive consulting company focused on talent, tech and innovation. We exist to elevate companies and humans all around the world, making change, from the inside to the outside.

We believe that technology + human kindness positively impacts every community around the world. Our approach is simple, we see a world without borders, and believe in equal opportunities. We are guided by our core principles of spreading positivity, good energy and promote equality and care for others.

Our hiring process is unique! People are selected by their value, education, talent and personality. We dont present ethnicity, religion, national origin, age, gender, sexual orientation or identity.

Its time to burst the bubble, and we will do it together!

What You'll do:

• Build and maintain Next.js applications and microservices;
• Implement secure API patterns with mandatory authentication/authorization;
• Design database schemas and optimize queries;
• Write unit tests with Vitest;
• Follow Domain-Driven Design principles;
• Hybrid Work Model;
  
  
  

What You Are:

• 5+ years of experience with React/Next.js and TypeScript;
• Bachelors degree in IT development;
• Strong proficiency in PostgreSQL, API development, and secure authentication (JWT, OAuth, RBAC);
• Solid understanding of security best practices, testing methodologies, and analytical problem-solving;
• Knowledge of LLMs, prompt engineering, agent orchestration, and autonomous workflow design;
• Proficiency with Next.js 15, TypeScript, Node.js, and AWS Aurora PostgreSQL;
• Fluent im Portuguese and English
• Proactive, independent, and responsible, with strong initiative and decision-making abilities;
• Insurance industry knowledge is a plus;
  
  
  

What youll get:

• Wage according to candidate's professional experience;
• Remote Work whenever possible;
• Allocation of health insurance from the beginning of the employment;
• Delivery of work equipment adjusted to the performance of functions;
• And others.
  
  
  

Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.

Are you ready to step into a diverse and inclusive world with us?

Together we will promote uniquess!