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Em seguida, atuei como Desenvolvedor Full-Stack On Demand pela plataforma Workana, onde desenvolvi aplicações web e desktop utilizando tecnologias como Node.js, GraphQL, React, React Native e MongoDB. Essa experiência me permitiu trabalhar em projetos variados, adaptando-me a diferentes necessidades e prazos, o que ampliou minha visão sobre desenvolvimento de software.

Na minha próxima experiência, na Consultoria CBYK, alocado no Bradesco, atuei como Desenvolvedor Full-Stack. Lá, desenvolvi um sistema de gerenciamento de dossiês para empréstimo consignado, criando interfaces de usuário dinâmicas com ReactJS e desenvolvendo APIs e processamento de dados com Node.js e MongoDB. Implementei testes unitários com Jest e utilizei ferramentas de infraestrutura como Kong Gateway, Docker e Portainer, o que me proporcionou um conhecimento mais aprofundado em integração e entrega contínua.

Posteriormente, trabalhei como Desenvolvedor Back-End Sênior no Grupo GFT, alocado no BTG Pactual. Nesse período, desenvolvi e mantive microsserviços utilizando Node.js, JavaScript e TypeScript. Gerenciei bancos de dados como MongoDB, MySQL, PostgreSQL e DynamoDB, e trabalhei com sistemas de filas de mensagens, como SNS, SQS, RabbitMQ e Kafka. Também utilizei soluções de armazenamento em nuvem, como o S3, e contribuí para o desenvolvimento de um portal de recomendações de investimento para assessores do BTG Pactual, o que reforçou minha expertise em soluções escaláveis e de alta performance.

Atualmente, trabalho como Desenvolvedor Front-End na Cakto, onde estou envolvido na criação de interfaces de usuário de alta performance e intuitivas utilizando ReactJS com TypeScript e JavaScript. Minhas responsabilidades incluem garantir a qualidade do código por meio da implementação de testes unitários abrangentes com Jest. Além disso, participei do desenvolvimento de uma plataforma para comercialização de produtos digitais, contribuindo para a entrega de uma solução robusta e eficiente. Essa experiência tem me permitido aprimorar minhas habilidades em desenvolvimento front-end e em garantir a melhor experiência do usuário.

--- Emitimos NF-e.","rawText":"Minha trajetória profissional começou como Desenvolvedor Back-End na SofTeam, onde desenvolvi aplicações utilizando Node.js, JavaScript e MongoDB para o departamento de nutrição da Universidade Federal de Sergipe. Minhas responsabilidades incluíam a criação de APIs para gerenciamento de dados nutricionais, além da implementação de testes com Jest e documentação com Swagger. Essa experiência foi fundamental para consolidar minha base técnica e minha capacidade de entregar soluções eficazes. Em seguida, atuei como Desenvolvedor Full-Stack On Demand pela plataforma Workana, onde desenvolvi aplicações web e desktop utilizando tecnologias como Node.js, GraphQL, React, React Native e MongoDB. Essa experiência me permitiu trabalhar em projetos variados, adaptando-me a diferentes necessidades e prazos, o que ampliou minha visão sobre desenvolvimento de software. Na minha próxima experiência, na Consultoria CBYK, alocado no Bradesco, atuei como Desenvolvedor Full-Stack. Lá, desenvolvi um sistema de gerenciamento de dossiês para empréstimo consignado, criando interfaces de usuário dinâmicas com ReactJS e desenvolvendo APIs e processamento de dados com Node.js e MongoDB. Implementei testes unitários com Jest e utilizei ferramentas de infraestrutura como Kong Gateway, Docker e Portainer, o que me proporcionou um conhecimento mais aprofundado em integração e entrega contínua. Posteriormente, trabalhei como Desenvolvedor Back-End Sênior no Grupo GFT, alocado no BTG Pactual. Nesse período, desenvolvi e mantive microsserviços utilizando Node.js, JavaScript e TypeScript. Gerenciei bancos de dados como MongoDB, MySQL, PostgreSQL e DynamoDB, e trabalhei com sistemas de filas de mensagens, como SNS, SQS, RabbitMQ e Kafka. Também utilizei soluções de armazenamento em nuvem, como o S3, e contribuí para o desenvolvimento de um portal de recomendações de investimento para assessores do BTG Pactual, o que reforçou minha expertise em soluções escaláveis e de alta performance. Atualmente, trabalho como Desenvolvedor Front-End na Cakto, onde estou envolvido na criação de interfaces de usuário de alta performance e intuitivas utilizando ReactJS com TypeScript e JavaScript. Minhas responsabilidades incluem garantir a qualidade do código por meio da implementação de testes unitários abrangentes com Jest. Além disso, participei do desenvolvimento de uma plataforma para comercialização de produtos digitais, contribuindo para a entrega de uma solução robusta e eficiente. Essa experiência tem me permitido aprimorar minhas habilidades em desenvolvimento front-end e em garantir a melhor experiência do usuário. --- Emitimos NF-e.","canEdit":false,"editUrl":"https://www.workana.com/freelancer/29ea72b4dd29ae4aa24b50bdd07c78aa/profile/history","g11n":{"edit":"Edit","save":"Save","cancel":"Cancel","warning":"Warning: Don't share contact information or you may be blocked.","expandText":"View more","collapseText":"View less","placeholder":"Describe your work on previous projects, your role, and your contributions for each milestone of your professional career. Tell us how your work has brought value to the projects you have collaborated on in the past. Choose the most relevant aspects for each position, what you learned and achieved, and anything else that will help in understanding your career path."},"validation":{"required":true,"min":20,"max":50000}}},"profileCompleteness":{"show":false},"newProfileCard":{"canEditCompany":false,"canAddFavorite":false,"addFreelancersDropdownTitle":"Add to list","isHero":false,"isVerifiedAgency":false,"companyVisibleName":"Jefferson N. T. S.","companyId":684062,"companyHash":"29ea72b4dd29ae4aa24b50bdd07c78aa","ratingData":{"rating":3.7799999999999998,"hasRating":true,"width":"width: 75.60%","noRatings":"No ratings yet","average":3.7799999999999998,"ratingText":"3.78 of 5.00"},"profileVisibilityEditInitials":{"isChecked":true,"actionUrl":"https://www.workana.com/companies/profile/edit/visibility","g11n":{"toggleLabel":"Public Profile"}},"agencyEditInitials":{"isChecked":false,"actionUrl":"https://www.workana.com/companies/profile/edit/is_agency","g11n":{"toggleLabel":"Agency Profile"}},"phone":{"text":"Phone number: ","canEditPhone":false,"hasPhone":true,"number":null},"countryData":{"country":"BR","name":"Brazil","class":"flag flag-br","url":"https://www.workana.com/freelancers/brazil?ref=freelancer_view","blankGif":"https://cf.wkncdn.com/static/assets/build/img/blank.4f4e80a62.gif"},"hourlyRate":{"text":"Hourly rate:","rate":"R$ 60.00","isSet":true,"currency":"BRL","amount":"60.00"},"mainSkill":{"isSet":true,"text":"Freelancer expert in IT & Programming"},"public":true,"clarificationText":"Allowed formats:
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