Jobs and Careers
SY
Senior Fullstack Developer
SyfferPortugalfull_timeVerifiedPosted 17 Nov 2025
About the role
<p>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.</p>
<p>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.</p>
<p>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.</p>
<p>Its time to burst the bubble, and we will do it together!</p>
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<p><strong>What You'll do:</strong></p>
<p>- Build and maintain Next.js applications and microservices;</p>
<p>- Implement secure API patterns with mandatory authentication/authorization;</p>
<p>- Design database schemas and optimize queries;</p>
<p>- Write unit tests with Vitest;</p>
<p>- Follow Domain-Driven Design principles;</p>
<p>- Hybrid Work Model; </p><p></p><p><strong>What You Are:</strong></p>
<p>- 5+ years of experience with React/Next.js and TypeScript;</p>
<p>- Bachelors degree in IT development;</p>
<p>- Strong proficiency in PostgreSQL, API development, and secure authentication (JWT, OAuth, RBAC);</p>
<p>- Solid understanding of security best practices, testing methodologies, and analytical problem-solving;</p>
<p>- Knowledge of LLMs, prompt engineering, agent orchestration, and autonomous workflow design;</p>
<p>- Proficiency with Next.js 15, TypeScript, Node.js, and AWS Aurora PostgreSQL;</p>
<p>- Fluent im Portuguese and English </p>
<p>- Proactive, independent, and responsible, with strong initiative and decision-making abilities;</p>
<p>- Insurance industry knowledge is a plus;</p>
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<p><strong>What youll get:</strong></p>
<p>- Wage according to candidate's professional experience;</p>
<p>- Remote Work whenever possible;</p>
<p>- Allocation of health insurance from the beginning of the employment;</p>
<p>- Delivery of work equipment adjusted to the performance of functions;</p>
<p>- And others.</p>
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<p>Work together with expert teams on projects of large magnitude and intensity, long term together with our clients, all leaders in their industries.</p>
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<p>Are you ready to step into a diverse and inclusive world with us?</p>
<p><strong>Together we will promote uniquess!</strong></p>
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