3355 Empregos para Javascript - São Paulo

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)

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)

Estamos contratando Desenvolvedor Front End 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 conhecimento em:

• Javascript;
• React e React Native;
• Gerenciador de pacotes como Yarn, styled components, git flow.

Local de trabalho: Presencial – São Paulo/SP

Interessado? Candidate-se à nossa vaga e teremos o prazer de dividir essa experiência com você.

Formação Acadêmica: Não informado

Salário: R$9.000

Cargo: Outros

Empresa: Innolevels

Atua na reparação e manutenção de computadores e equipamentos periféricos.

Ramo: Informática/Tecnologia

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$9,001.00-R$0,000.00 2 months ago

Greater São Paulo Area R$7 001.00-R 8,000.00 1 week ago

Greater São Paulo Area R$3, 00.00-R 3,500.00 4 days ago

Barueri, São Paulo, Brazil R$ ,001.00-R 3,000.00 1 month ago

São Paulo, São Paulo, Brazil 23 hours ago

Greater São Paulo Area R$9,001. 0-R 10,000.00 1 month ago

São Paulo, São Paulo, Brazil 5 months ago

2 months ago Be among the first 25 applicants

Get AI-powered advice on this job and more exclusive features.

About Us

Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Bold ambition. Practical action. Endless possibilities.

About Us

Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Bold ambition. Practical action. Endless possibilities.

As a Senior Developer, you will join a highly motivated and experienced team, building web and mobile applications as well as providing strategy consulting for Appnovation’s clients. We are looking for people who can bring a strong, consulting and solution focused mindset and contribute to architectural decisions, best practices and get things done.

Qualifications

• 7+ years of relevant experience in software engineering, web and/or mobile development experience. 2+ years experience as a technical lead.
• Exposure to Python in the backend, with the ability to read, debug, and contribute to Python-based services or integrations
• Strong understanding of vanilla javascript, ES6 as well as Typescript
• Experience working with Retool platform
• Experience working with HTML5 and CSS3, responsive design, flexbox, SCSS, SASS or LESS
• Proficiency building web components (for e.g. custom elements, shadow dom)
• Experience with third party UI libraries (e.g. PrimeVue, Bootstrap, Material UI)
• Experience with unit testing
• Experience consuming RESTful APIs
• Strong understanding of DevOps principles, processes and tools (eg. Git, Bitbucket, Jenkins, Travis CI)
• Understanding of Cloud Computing and Serverless Architecture, preferably AWS.
• Understanding of agile principles and methodologies
  
  

• Knowledge of Node.js, Express
• Experience with TDD
  
  

• You think about how to scale, automate and operate, not just how to build a solution to an immediate problem
• You understand lean thinking
• You set high standards for code quality, performance/scalability and security and seek continuous improvement
• You have led a team of junior developers and coached them
• You have solid analytical, problem solving and decision-making skills
• You have customer first mindset and a devotion to customer service
• You engage and build positive internal and external client relationships, while managing multiple initiatives, often with competing priorities
• You have strong self-initiative, passion, interpersonal, oral and written communication and collaboration skills with the ability to work, influence and make an impact in a cross-functional environment with all levels of the organization
• You are responsive and thrive in a fast-paced diverse high-performance environment with rapidly changing business needs
• You actively seek out things outside your comfort zone with the ability to rapidly learn and take advantage of new concepts, business models, and technologies
• You have prior experience in consulting
  
  

• Work-life Balance
• Lots of opportunities for personal and professional growth
• Health Benefits Package
• Mental Health Support
• Personal Days Off
• Fertility and Menopause Leave
• Fitness Allowance
• D,E&I Initiatives
• And much more.
  
  

• Seniority level Mid-Senior level

• Employment type Full-time

• Job function Engineering and Information Technology
• Industries Computer and Network Security, Software Development, and IT Services and IT Consulting

Referrals increase your chances of interviewing at Appnovation by 2x

We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI.

About us

Appnovation is a global, full-service digital partner that combines Strategy, Experience & Design, Engineering and Managed Services. We build digital solutions that deliver real impact today and serve as foundations for future growth. Bold ambition. Practical action. Endless possibilities.

As a Senior Developer, you will join a highly motivated and experienced team, building web and mobile applications as well as providing strategy consulting for Appnovation’s clients. We are looking for people who can bring a strong, consulting and solution focused mindset and contribute to architectural decisions, best practices and get things done.

QUALIFICATIONS

• Bachelor’s Degree in computer science or equivalent
• 7+ years of relevant experience in software engineering, web and/or mobile development experience. 2+ years experience as a technical lead.
• Strong understanding of vanilla javascript, ES6 as well as Typescript
• Experience working with Retool platform
• Experience working with HTML5 and CSS3, responsive design, flexbox, SCSS, SASS or LESS
• Proficiency building web components (for e.g. custom elements, shadow dom)
• Experience with third party UI libraries (e.g. PrimeVue, Bootstrap, Material UI)
• Experience with unit testing
• Experience consuming RESTful APIs
• Strong understanding of DevOps principles, processes and tools (eg. Git, Bitbucket, Jenkins, Travis CI)
• Understanding of Cloud Computing and Serverless Architecture, preferably AWS.
• Understanding of agile principles and methodologies

NICE TO HAVE

• Knowledge of Node.js, Express
• Experience with TDD

WHO YOU ARE

• You think about how to scale, automate and operate, not just how to build a solution to an immediate problem
• You understand lean thinking
• You set high standards for code quality, performance/scalability and security and seek continuous improvement
• You have led a team of junior developers and coached them
• You have solid analytical, problem solving and decision-making skills
• You have customer first mindset and a devotion to customer service
• You engage and build positive internal and external client relationships, while managing multiple initiatives, often with competing priorities
• You have strong self-initiative, passion, interpersonal, oral and written communication and collaboration skills with the ability to work, influence and make an impact in a cross-functional environment with all levels of the organization
• You are responsive and thrive in a fast-paced diverse high-performance environment with rapidly changing business needs
• You actively seek out things outside your comfort zone with the ability to rapidly learn and take advantage of new concepts, business models, and technologies
• You have prior experience in consulting

WHAT DOES APPNOVATION HAVE TO OFFER?

Appnovation’s development teams are collaborative, friendly and open, and with varied work. We encourage development both professionally and personally! Aside from work, we offer a people and culture-orientated, fun and dynamic environment.

Here are a few more reasons why you should apply:

• Work-life Balance
• Lots of opportunities for personal and professional growth
• Health Benefits Package
• Mental Health Support
• Personal Days Off
• Fertility and Menopause Leave
• Fitness Allowance
• D,E&I Initiatives
• And much more.

Thank you for your interest in a career with Appnovation Technologies! Please note that only those selected for an interview will be contacted. At Appnovation, we recognize that diverse teams are the strongest teams. Diversity, Equity & Inclusion is not only something that we embrace - we celebrate it! We are proud to be an Equal Opportunity Employer and we encourage applicants from all backgrounds, lived experiences and industries to apply. Come join us at Appnovation, and learn more about how we stay true to our company values as we build better lives through better digital.

Accommodations are available upon request throughout the recruitment process.

Desenvolvimento de aplicações em Angular e Apis em NodeJS

Disposição para auxiliar em dúvidas de programadores Juniors e Plenos

Exercer liderança sobre a equipe de desenvolvimento

Realizar code review.

Benefícios:

- PLR;

- Plano de Saúde;

- Vale refeição / alimentação;

- Day-off;

- Investimentos para desenvolvimento profissional.

Requisitos desejados: Experiência em Angular, NodeJS e Micro Serviços

Experiência em Banco de dados relacionais

Experiência em controle de versionamento com Git

Conhecimento em boas práticas de código

Familiaridade com metodologias ágeis (Scrum/Kanban)

Ter autonomia e pró-atividade