This position is listed on behalf of a partner company, which manages all applications and next steps. Our partner is looking for a Senior Fullstack Developer (Desenvolvedor Fullstack Sênior) based in Brazil.
Join a high-performance engineering squad working on a strategic, long-term modernization project for a product used by millions of people. In this role, you will help build scalable, decoupled services and components while contributing to the evolution of legacy systems into a modern architecture. You will collaborate closely with technical leadership and architecture teams, influencing engineering decisions and promoting best practices. Quality will be central to your work, with an emphasis on automated testing, maintainable code, and reliable delivery. This opportunity offers technical autonomy, collaboration with experienced professionals, and the chance to make a meaningful impact in a complex technology environment. The position is fully remote and structured as a full-time, permanent employment opportunity under the Brazilian CLT regime.
Accountabilities
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Design, develop, and maintain fullstack services and components within a modern, decoupled architecture.
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Contribute to the refactoring, modernization, and continuous improvement of legacy systems.
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Develop and integrate services using microservices architectures and REST/GraphQL APIs.
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Implement and maintain automated unit, integration, and functional tests to ensure software quality and reliability.
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Collaborate with technical leaders and software architects on technical decisions, architecture improvements, and engineering standards.
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Produce and maintain clear technical documentation aligned with industry best practices.
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Understand business context and translate requirements into effective, maintainable technical solutions.
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Promote collaboration, proactive problem-solving, and consistent delivery within a high-performing engineering team.
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Proven experience as a Senior Fullstack Developer working on complex software development projects.
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Advanced knowledge of microservices, REST/GraphQL APIs, and software engineering best practices.
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Practical experience designing and developing scalable, maintainable applications.
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Experience with automated testing strategies, including unit, integration, and functional testing.
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Ability to work effectively with legacy codebases, understand existing systems, and identify opportunities for modernization.
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Strong analytical and problem-solving skills, with a focus on code quality and reliable delivery.
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Proactive, communicative, and collaborative approach, with a strong sense of ownership and commitment to project outcomes.
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Experience in the financial services or payment processing industry.
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Familiarity with AI-driven development practices and AI-powered productivity tools.
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Knowledge of data engineering concepts or data pipeline development.
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Fully remote work: Work from anywhere in Brazil.
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Full-time, permanent employment: Contract under the Brazilian CLT regime.
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Technical autonomy: Opportunity to contribute to technical decisions and modernization initiatives.
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Experienced team environment: Collaboration with senior engineers, technical leaders, and software architects.
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Long-term project: Participate in a strategic modernization initiative for a product with a large user base.
Requirements
Nice to have: