14.692 Empregos para Javascript - Brasil

Codeminer42 is a Brazilian software boutique focused on delivering the best value for its customers. We started operating in September 2011, working ever since then with the most professional and competent developers we can find.

We are miners.

Delivering value into any project is an arduous process. As software developers, we thrive to deliver not only well-written code but code that provides real value to each client.

It’s not enough to deliver code by itself, but code that solves real-world problems and provides real value. That’s a mission that we, as miners, will continue to dig deep to achieve.

At Codeminer42, you will have the opportunity to work on many different kinds of projects, with a huge array of technologies and an incredible team of amazing people who will always be ready to help you with anything you need. We encourage dialogue and knowledge sharing, and we also stand up for open-source development.

Some of the challenges you will encounter in this journey:

1. Working in highly diverse teams;
2. Actively seeking new technologies and knowledge;
3. Being eager to adapt. We encourage learning and looking for knowledge;
4. Communication skills are of great importance.

1. Experience with React ecosystem (React, Redux, Next.js);
2. Experience with SQL databases;
3. Experience with CI/CD and automated tests;
4. Knowledge in HTML and CSS;
5. Being interested in improving your skills through practicing in a variety of projects, including open-source and clients’ projects;
6. Being willing to work in a flat hierarchy workplace, where a “yes, sir” is not acceptable and criticism is always welcomed;
7. Advanced English language skills . We supply services to many international clients, and therefore, comprehension and conversations are of extreme necessity. English language skills are very important and will be evaluated in your application process.
8. Infrastructure skills. Heroku and AWS are widely used;
9. Access to books and learning resources platforms;

Estamos contratando Desenvolvedor Javascript para a execução de projetos de transformação digital, desenvolvendo ferramentas inovadoras para entregar a melhor experiência para os usuários da plataforma de uma grande empresa.

Entendemos que para essa evolução, é necessário o conhecimento em:

• Javascript;
• React e react-native;
• Gerenciador de pacotes como Yarn;
• Styled components;
• Git flow.
  
  

Greater São Paulo Area R$7,001.00-R$,000.00 3 weeks ago

São Paulo, São Paulo, Brazil 6 minutes ago

Greater São Paulo Area R$3,500 00-R 3,500.00 2 weeks ago

Barueri, São Paulo, Brazil R$2, 01.00-R 3,000.00 1 month ago

São Paulo, São Paulo, Brazil R$3 500.00-R 3,500.00 4 days ago

Greater São Paulo Area R$9 001.00-R 10,000.00 1 month ago

Greater São Paulo Area R$ ,001.00-R 2,000.00 1 month ago

This range is provided by Cliente FC. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Estamos contratando Desenvolvedor Javascript para a execução de projetos de transformação digital, desenvolvendo ferramentas inovadoras para entregar a melhor experiência para os usuários da plataforma de uma grande empresa.

Entendemos que para essa evolução, é necessário o conhecimento em:

• Javascript
• React e react-native
• Gerenciador de pacotes como Yarn
• Styled components
• Git flow

Presencial São Paulo - SP

Tem interesse? Candidate-se à nossa vaga que teremos o grande prazer de dividir essa experiência com você.

• Entry level

• Full-time

• Engineering and Information Technology

• IT System Training and Support

Referrals increase your chances of interviewing at Cliente FC by 2x

Procuramos uma pessoa para:

Desenvolvimento, customização e integração de soluções na plataforma Sydle One, utilizando linguagem JavaScript e demais tecnologias relacionadas. Atua diretamente nas fases de levantamento de requisitos, configuração, testes e implantação, garantindo que as soluções atendam às necessidades do cliente e estejam alinhadas às boas práticas e padrões de qualidade.

Atividades:

• Desenvolver e customizar funcionalidades no Sydle One utilizando JavaScript.
• Realizar integração entre o Sydle One e outros sistemas, bancos de dados e serviços externos.
• Configurar e parametrizar a plataforma conforme as demandas de negócio.
• Apoiar o time de implantação no levantamento de requisitos técnicos e funcionais.
• Criar e manter documentação técnica e de processos implementados.
• Realizar testes unitários e integrados para garantir a qualidade das entregas.
• Suportar e corrigir eventuais problemas pós-implantação

Requisitos:

• Ensino superior completo em Engenharia, Administração, Sistemas de Informação ou áreas correlatas.
• Inglês Intermediário;
• Conhecimento em APIs REST e integração de sistemas.
• Noções de bancos de dados relacionais (SQL) e não relacionais.
• Familiaridade com HTML, CSS, JavaScript e frameworks web.
• Desejável experiência prévia com Sydle One ou plataformas de BPM/ECM/CRM.

NEORIS é uma acelerador Digital que ajuda empresas a entrar no futuro, temos mais de 20 anos de experiência como Parceiros Digitais de algumas das maiores empresas do mundo. Somos mais de 4.000 profissionais em 11 países, temos uma cultura de startup multicultural onde cultivamos inovação e aprendizado contínuo para criar soluções de alto valor para nossos clientes.

Procuramos por um(a) Consultor(a) Fullstack com sólida experiência em JavaScript e integrações via API Rest para atuar em um projeto estratégico no setor de energia.

VAGA CLT. Presencial para a cidade do Rio de Janeiro.

Principais Responsabilidades e Requisitos

• Experiência comprovada de no mínimo 3 anos em desenvolvimento com JavaScript;
• Domínio em consumo e criação de APIs REST;
• Capacidade de atuar de ponta a ponta no desenvolvimento (frontend e backend);
• Boa comunicação e postura consultiva.
  

• Vale Refeição e Vale Alimentação: Benefícios mensais para suas despesas com alimentação, dentro e fora de casa.
• Previdência Privada: Planejamento de futuro com contribuição complementar à aposentadoria.
• Plano de Saúde: Cobertura médica de alta qualidade para você e seu dependente legal.
• Plano Odontológico: Cuidados odontológicos completos, com ampla rede de atendimento.
• Seguro de Vida: Proteção e segurança para você e seus entes queridos.
• Aulas de Inglês/Espanhol: Incentivo ao aprendizado de idiomas.
• Wellhub: Benefícios e descontos em academias e programas de bem-estar.
• Auxílio Creche: Suporte financeiro para despesas com educação infantil.
• Neoris Global Campus: Plataforma de desenvolvimento com oportunidades contínuas de aprendizado e crescimento profissional.
  
  

Get notified about new Consultant jobs in Greater Rio de Janeiro .

Rio de Janeiro, Rio de Janeiro, Brazil 3 days ago

Rio de Janeiro, Rio de Janeiro, Brazil 11 months ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 month ago

Nova Iguaçu, Rio de Janeiro, Brazil 1 day ago

Rio de Janeiro, Rio de Janeiro, Brazil 2 weeks ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 week ago

Rio de Janeiro, Rio de Janeiro, Brazil 2 weeks ago

Rio de Janeiro, Rio de Janeiro, Brazil 18 hours ago

Niterói, Rio de Janeiro, Brazil 2 weeks ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 day ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 day ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 week ago

Rio de Janeiro, Rio de Janeiro, Brazil 1 day ago

Rio de Janeiro, Rio de Janeiro, Brazil 2 weeks ago

Greater Rio de Janeiro $2,500.00-$3,500.00 1 month ago

Na Premiersoft, transformamos desafios em soluções. Com mais de uma década de pioneirismo em desenvolvimento mobile, somos movidos por um propósito claro: criar experiências tecnológicas que impulsionam o crescimento e a transformação dos nossos clientes. Nosso time, formado por mais de 200 #Heroes, combina expertise técnica com o nosso DNA: Team Player, Growth Driven e Problem Solver. Somos movidos por desafios, focados na inovação e comprometidos com a excelência em tudo o que fazemos.

Sobre a oportunidade:

Você atuará dentro de uma multinacional de tecnologia voltada para a área da saúde. Será parte essencial na construção e sustentação de integrações hospitalares, garantindo que os sistemas de saúde conversem de forma eficaz, segura e inteligente.

Você será responsável por:

• Analisar, desenvolver, testar, implementar e prestar suporte a integrações hospitalares entre sistemas internos e externos;
• Atuar com Rhapsody ou outro middleware de integrações para gerenciamento e orquestração de mensagens entre sistemas de saúde;
• Desenvolver e manter integrações baseadas em protocolos HL7 e FHIR, garantindo conformidade com padrões de interoperabilidade em saúde;
• Criar e consumir APIs REST utilizando XML, JSON e SOAP, garantindo segurança e desempenho nas trocas de dados;
• Escrever scripts em JavaScript para transformações de mensagens e customizações no processo de integração;
• Configurar e monitorar comunicações via HTTP/HTTPS, TCP/IP, FTP e SFTP, garantindo conectividade segura entre os sistemas;
• Realizar consultas, manipulação e integração de dados utilizando bancos de dados SQL;
• Apoiar as áreas técnicas e funcionais na resolução de incidentes e evolução das integrações existentes.

O que você precisa ter:

• Sólida experiência com Rhapsody ou outro Middleware de integrações;
• Conhecimento em HL7/FHIR;
• Familiaridade com XML, SOAP, JSON e API REST; 
• Vivência em JavaScript;
• Conhecimento em protocolos HTTP/HTTPS, TCP/IP, FTP, SFTP; 
• Experiência com banco de dados SQL; 
• Conhecimento em integrações Hospitalares;
• Experiência em analisar, desenvolver, testar, implementar e dar suporte as integrações.

Contratação Remota 

O que oferecemos: 

• Cultura aberta a ideias, inovação e crescimento.
• Foco na excelência das entregas e na geração de impacto.
• Valorização do aprendizado contínuo e do desenvolvimento profissional.

Aqui temos:

• Cartão Flash;
• Plano de Saúde Unimed;
• Inglês gratuito 2x por semana;
• Convênio com clinica de saúde mental.

Confira os motivos para trabalhar aqui >>

Saiba mais sobre nós >>

Conheça nossa Sede >>

A comunicação durante o processo seletivo pode ser feita por e-mail ou telefone. Sugerimos que você fique de olho em suas caixas de entrada de e-mail e defina a permissão para receber mensagens de @premiersoft.net para que nossas mensagens não sejam direcionadas para a caixa de spam ;)

Overview

As a Senior SDK Developer, you will be a part of the team that works on the development of the new and cutting edge Tether AI SDK.

• Developer-Facing SDKs & APIs: Tether is committed to delivering world-class developer experiences through robust and intuitive SDKs. You will design, build, and maintain modular, versioned SDKs that abstract complex backend logic into clean, usable interfaces — enabling seamless integration with Tether’s platform across various client environments.
• Performance & Reliability at Scale: SDKs must be fast, lightweight, and reliable — even when performing heavy and demanding operations. You’ll design resilient logic (retry policies, offline handling, batching) and contribute to the scalability of platform-facing interfaces and services powering the SDKs.
• Security-First Engineering: Embed best-in-class security practices directly into the SDK architecture, including secure communication, encrypted storage and rigorous input validation to ensure safe integration pathways for all developers working with the Tether ecosystem.

• +6 years of experience working with Nodejs/JavaScript in production environments.
• Proven track record in designing and maintaining developer-facing SDKs (npm packages, API clients, or instrumentation libraries).
• Strong understanding of modular architecture, versioning strategies, and semantic API design.
• Have actively participated in the development of a complex platform.
• Ability to quickly learn new technologies.
• Good understanding of security practices.

• Familiar with Peer-to-Peer technologies (Kademlia, bittorent, libp2p).
• Comfortable with high-availability concepts.
• Rust or C++ skills are a plus.
• Familiar with AI domain applications (RAG, Agents, Inference, AI SDKs).
• Familiarity with real-time data delivery (NodeJS/other streaming).

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.

Innovate with Tether

Tether Finance : Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.

But that’s just the beginning:

Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.

Tether Data : Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.

Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.

Tether Evolution : At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.

Why Join Us?

Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.

If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.

Are you ready to be part of the future?

About the job:

As a Senior SDK Developer, you will be a part of the team that works on the development of the new and cutting edge Tether AI SDK.

• Developer-Facing SDKs & APIs
  Tether is committed to delivering world-class developer experiences through robust and intuitive SDKs. You will design, build, and maintain modular, versioned SDKs that abstract complex backend logic into clean, usable interfaces — enabling seamless integration with Tether’s platform across various client environments.

• Performance & Reliability at Scale
  SDKs must be fast, lightweight, and reliable — even when performing heavy and demanding operations. You’ll design resilient logic (retry policies, offline handling, batching) and contribute to the scalability of platform-facing interfaces and services powering the SDKs.

Security-First Engineering
You’ll embed best-in-class security practices directly into the SDK architecture, including secure communication, encrypted storage and rigorous input validation. Your work will help ensure safe integration pathways for all developers working with the Tether ecosystem.

• +6 years of experience working with Nodejs/JavaScript in production environments.

• Proven track record in designing and maintaining developer-facing SDKs (npm packages, API clients, or instrumentation libraries)

• Strong understanding of modular architecture, versioning strategies, and semantic API design

• Have actively participated in the development of a complex platform

• Ability to quickly learn new technologies

• Good understanding of security practices

Nice to have

• Familiar with Peer-to-Peer technologies (Kademlia, bittorent, libp2p)

• Comfortable with high-availability concepts

• Rust or C++ skills are a plus

• Familiar with AI domain applications (RAG, Agents, Inference, AI SDKs)

• Familiarity with real-time data delivery (NodeJS/other streaming)

Join Tether and Shape the Future of Digital Finance

At Tether, we’re not just building products, we’re pioneering a global financial revolution. Our cutting-edge solutions empower businesses—from exchanges and wallets to payment processors and ATMs—to seamlessly integrate reserve-backed tokens across blockchains. By harnessing the power of blockchain technology, Tether enables you to store, send, and receive digital tokens instantly, securely, and globally, all at a fraction of the cost. Transparency is the bedrock of everything we do, ensuring trust in every transaction.

Innovate with Tether

Tether Finance : Our innovative product suite features the world’s most trusted stablecoin, USDT, relied upon by hundreds of millions worldwide, alongside pioneering digital asset tokenization services.

But that’s just the beginning:

Tether Power: Driving sustainable growth, our energy solutions optimize excess power for Bitcoin mining using eco-friendly practices in state-of-the-art, geo-diverse facilities.

Tether Data : Fueling breakthroughs in AI and peer-to-peer technology, we reduce infrastructure costs and enhance global communications with cutting-edge solutions like KEET, our flagship app that redefines secure and private data sharing.

Tether Education: Democratizing access to top-tier digital learning, we empower individuals to thrive in the digital and gig economies, driving global growth and opportunity.

Tether Evolution : At the intersection of technology and human potential, we are pushing the boundaries of what is possible, crafting a future where innovation and human capabilities merge in powerful, unprecedented ways.

Why Join Us?

Our team is a global talent powerhouse, working remotely from every corner of the world. If you’re passionate about making a mark in the fintech space, this is your opportunity to collaborate with some of the brightest minds, pushing boundaries and setting new standards. We’ve grown fast, stayed lean, and secured our place as a leader in the industry.

If you have excellent English communication skills and are ready to contribute to the most innovative platform on the planet, Tether is the place for you.

Are you ready to be part of the future?

About the job:

As a Senior Software Developer, you will be a part of the team that building desktop and mobile AI apps on top of new and cutting edge Tether SDK.

Responsibilities:

• AI-Driven Desktop Integration
  You will develop and maintain backend services and APIs that power AI-enhanced desktop applications. These services support intelligent features like local inference, contextual awareness, and model interaction, tailored specifically for Electron-based or hybrid clients.

• Platform-Aware API Design
  Collaborating closely with desktop and React Native teams, you will shape API contracts that reflect platform constraints and performance considerations — ensuring native-like responsiveness and cross-platform consistency.

• Scalable Model Invocation & Resource Management
  You’ll contribute to backend services that handle concurrent model invocations, manage GPU/CPU workloads, and intelligently queue or throttle requests based on system constraints — ensuring smooth AI on-device performance.

• +6 years of experience working with Nodejs/JavaScript.

• Experience with Desktop app development (Electron, Tauri, other)

• Experience working with React Native or bridging backend systems into mobile/desktop hybrid stacks

• Experience optimizing performance and resource usage on desktop/mobile clients

• Have actively participated in the development of a complex platform

• Ability to quickly learn new technologies

• Good understanding of security practices

Nice to have

• Familiarity with secure inter-process communication

• Familiar with Peer-to-Peer technologies (Kademlia, bittorent, libp2p)

• C++/Swift/Kotlin skills are a plus

• Familiar with AI/Agentic domain applications (RAG, AI SDKs)

• Familiarity with real-time data delivery (NodeJS/other streaming)