Senior Fullstack Developer

Certisign

Senior Fullstack Developer responsible for designing and building end-to-end software solutions in a diverse team environment. Focused on performance, scalability, and user experience.

Posted 4/30/2026full-timeSão Paulo • 🇧🇷 BrazilSeniorWebsite

Tech Stack

Tools & technologies

AngularCloudDockerGoogle Cloud PlatformJavaJavaScriptKotlinKubernetesMongoDB.NETNoSQLReactSpringSpring BootSpringBootSQLTypeScript

About the role

Key responsibilities & impact

Develop modern, accessible, and responsive front-end interfaces;
Build and evolve APIs, services, and back-end logic;
Define and contribute to software architecture, ensuring scalability, security, and efficiency;
Collaborate with cross-functional teams (product, design, and operations);
Apply software engineering best practices, ensuring code quality and security;
Document solutions and technical decisions to facilitate collaboration and maintenance.

Requirements

What you’ll need

Bachelor's degree in Systems Analysis, Computer Science, Computer Engineering, or related fields;
Experience with C#/.NET or Java/Kotlin (Spring Boot);
Experience with Angular, React, TypeScript, or JavaScript;
Knowledge of object-oriented programming, SOLID principles, and design patterns;
Experience with REST APIs, Docker, and Git;
Knowledge of SQL and NoSQL databases (MongoDB);
Knowledge of Kubernetes and Google Cloud (GCP) is desirable.

Benefits

Comp & perks

Meal allowance on Flash card 🍽️
Food/grocery allowance on Flash card 🛒
SulAmérica Health Insurance 🏥
MetLife Dental Insurance 😁
TotalPass and Wellhub wellness benefits 💪
Birthday day off 🎉
Childcare assistance 👶
Corporate university - UniSign 📚
Life insurance 🔒
Educational partnership 🎓
SESC benefits/convention 🏖️
Better Maternity Program 🤱
Extended maternity and paternity leave 👪
Pharmacy card 💊
Profit-sharing (PLR) 💼

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

C#.NETJavaKotlinSpring BootAngularReactTypeScriptJavaScriptSQL

Soft Skills

collaborationcommunicationproblem-solvingdocumentationteamwork

Certifications

Bachelor's degree in Systems AnalysisBachelor's degree in Computer ScienceBachelor's degree in Computer Engineering