Sobre a vaga e missão do cargo 

Você fará parte da liderança técnica da Torre de Cobrança e atuará como principal referência de arquitetura e engenharia da tribo de desenvolvimento full-stack (com foco em backend), sendo responsável por definir padrões técnicos, garantir a integridade arquitetural dos sistemas e elevar continuamente a maturidade técnica do time que sustenta os sistemas críticos de recuperação de crédito do banco.

No seu dia a dia, você vai: 

• Definir e documentar a arquitetura de sistemas backend, APIs e microserviços da tribo
• Estabelecer padrões técnicos, guias de desenvolvimento e boas práticas de engenharia de software
• Realizar code reviews estratégicos garantindo aderência arquitetural e qualidade de código
• Atuar diretamente no desenvolvimento de componentes críticos e de alta complexidade
• Conduzir discussões e decisões de arquitetura, design de dados e estratégias de integração
• Avaliar, propor e validar adoção de novas tecnologias e abordagens para evolução do stack
• Mentorar tecnicamente desenvolvedores da tribo em backend, arquitetura distribuída e boas práticas
• Garantir performance, escalabilidade, resiliência e observabilidade dos sistemas em produção
• Apoiar integrações com sistemas legados bancários e APIs de terceiros, definindo padrões e contratos
• Representar a tribo em fóruns e comitês de arquitetura corporativa
• Traduzir requisitos de negócio em decisões técnicas consistentes e sustentáveis
•  

O que buscamos

Obrigatórios:

• Ensino Superior Completo; 
• Disponibilidade para trabalhar presencial em Belo Horizonte ou Recife; 
• Sólida experiência em desenvolvimento backend (Java/Spring, Node.js, Python ou similar), com atuação em sistemas produtivos de alta criticidade
• Experiência comprovada como Tech Lead ou Arquiteto de Software com influência técnica sobre times de desenvolvimento
• Conhecimento avançado em arquitetura de microserviços, APIs RESTful e sistemas distribuídos
• Domínio em design e modelagem de bancos de dados relacionais e NoSQL em ambientes de produção
• Experiência em containerização (Docker/Kubernetes) e práticas DevOps/CI-CD
• Vivência com ferramentas de observabilidade, APM e monitoramento de sistemas (New Relic, Datadog, ELK ou similares)
• Capacidade de documentar e comunicar decisões arquiteturais para diferentes públicos (técnicos e não técnicos)
• Experiência com metodologias ágeis e colaboração próxima com times de produto e negócio

Desejáveis:

• Inglês técnico/intermediário para leitura de documentação, avaliação de tecnologias e interação com fornecedores
• Experiência no setor bancário, financeiro ou fintechs, especialmente em sistemas de cobrança ou meios de pagamento
• Conhecimento em Domain Driven Design (DDD) e padrões arquiteturais (CQRS, Event Sourcing, Saga, Strangler Fig)
• Vivência com message queues e arquiteturas orientadas a eventos (Kafka, RabbitMQ ou similares)
• Experiência com sistemas de alto volume transacional e requisitos de alta disponibilidade
• Conhecimento em práticas de segurança, compliance e ambientes regulados no setor financeiro
• Familiaridade com React e capacidade de orientar tecnicamente times frontend
• Experiência com integração de sistemas legados bancários e padrões de interoperabilidade
• Certificações em cloud (AWS Solutions Architect, Azure, GCP), Kubernetes (CKA/CKAD) ou arquitetura de software
• Conhecimento em ferramentas de documentação de arquitetura (C4 Model, OpenAPI/Swagger, ADRs)

Benefícios 

• Vale-alimentação e Vale-refeição
• Plano de saúde e odontológico
• Seguro de vida
• DayOff de Aniversário
• Baby On Board e Sala de Amamentação
• Licença parental estendida
• Auxílio-creche/babá e/ou auxílio para filhos com deficiência
• Wellhub e Grupo de Corrida Inter
• Espaço CARE4U (Belo Horizonte): serviços de autocuidado com valores exclusivos, área de descompressão, jogos e minicampo de golfe
• Vantagens no nosso SuperApp, como Duo Gourmet
• Cartão Prime Inter
• Programas de treinamento e capacitação internos

Etapas do Processo Seletivo

• Triagem de currículos;
• Screening (abordagem inicial para alinhamento de expectativas sobre a vaga);
• Assessments;
• Entrevista com Time de Talent; 
• Teste técnico (quando necessário);
• Entrevista com a liderança;
• Proposta de Contratação (Offer);

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its App of the Day.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our iOS app, being the #18 productivity app in the App Store category and also our recent recognition as Apple's 2025 Design Award for inclusivity, we find the need for a Senior iOS Engineer to help us support the new user base as well as work on new and exciting projects to push our missing forward.   

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Opportunity to lead key engineering and product decisions
• Actively shipping production code for the Speechify iOS app
• Work within a dedicated product team
• Participate in product discussions to shape the product roadmap
• Maintain and enhance the existing complex app architecture

An Ideal Candidate Should Have

• Experience. You've worked on products that scaled to a large user base
• Track record. You have worked on various products from inception to decent traction. You have been responsible for engineering the product
• Customer obsession. We expect every team member whose responsibilities directly impact customers to be constantly obsessed about providing the best possible experience
• Product thinking. You make thoughtful decisions about the evolution of your product and support internal teams and designers into taking the right direction
• Speed. You work quickly to generate ideas and know how to decide which things can ship now and what things need time
• Focus. We’re a high-growth startup with a busy, remote team. You know how and when to engage or be heads down
• Technical skills. Swift, SwiftUI

Technical Requirements:

• Swift Programming Language
• SwiftUI experience
• Experience in Multithreading Programming
• Working with CI/CD infrastructure
• Experience with Fastlane
• SOLID principles, the ability to write every single class according to SOLID
• Experience with Git and understanding of different Git strategies

What We offer:

• A fast-growing environment where you can help shape the company and product
• An entrepreneurial crew that supports risk, intuition, and hustle
• The opportunity to make a big impact in a transformative industry
• A competitive salary, a collegiate atmosphere, and a commitment to building a great asynchronous culture
• Work on a product that millions of people use and where daily feedback includes users sharing that they cried when they first found the product because it was so impactful on their lives
• Support people with learning differences like Dyslexia, ADD, Low Vision, Concussions, Autism, and Second Language Learners, and give reading superpowers to professionals all over the world
• Work in one of the fastest growing sectors of tech: Intersection of Artificial Intelligence and Audio

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace.

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

Nossa história

Impactar desde o dia um. Foi com essa certeza que João Pedro Resende e Mateus Bicalho fundaram a Hotmart em 2011. Nascemos como uma startup e hoje somos uma empresa global de tecnologia, que entrega um ecossistema completo de soluções seguras e integradas para quem deseja criar, vender e escalar negócios digitais. E o melhor de tudo? Estamos só começando.

De cursos que mudam vidas a comunidades de nicho, todo tipo de história já aconteceu aqui. 1 em cada 4 brasileiros já consumiu conteúdo pela nossa plataforma. Afinal de contas, se as pessoas têm algo a ensinar, a Hotmart tem tudo para fazer acontecer.

Nossas pessoas

Hoje, somos mais de 1.700 Troopers espalhados pelo Brasil, Espanha, Colômbia, México, Estados Unidos e Países Baixos, onde fica localizada a nossa sede. E não importa onde estamos, o impacto positivo que geramos na vida das pessoas é o que torna o nosso trabalho único.

A transformação que queremos ver no mundo, começa em nós. Por isso, trabalhar na Hotmart é crescer com empatia, colaboração e responsabilidade. É saber que a inovação e a alta performance estão no nosso DNA. Porque o digital nos deu asas e jamais deixaremos o protagonismo para trás! 

Aqui você impacta de verdade.

Sobre a vaga

O nosso time de Desenvolvimento é uma das principais engrenagens da Hotmart, utilizando o que há de mais inovador entre as tecnologias do mercado. Por isso, estamos à procura de um(a) Desenvolvedor(a) Frontend que não poupe esforços para descobrir as melhores tecnologias para proporcionar aos nossos usuários uma experiência impecável. 

Aqui, você terá a oportunidade de estar em constante evolução, trabalhando em projetos, que desafiarão suas habilidades e conhecimentos técnicos em prol das melhores entregas, ao explorar novas tecnologias e encontrar soluções criativas para a empresa e seus clientes.

Principais atividades

• Atuar no desenvolvimento de soluções voltadas para diferentes níveis de complexidade, com foco contínuo na otimização de processos e tecnologias;
• Atuar na análise, definição, desenho técnico e na proposta de solução para o escopo de um problema;
• Realizar a implantação da solução desenvolvida;
• Revisar a qualidade das soluções propostas pelos seus pares fazendo Code Review e aprovações de PRs;
• Disseminar padrões e boas práticas frontend;
• Criar experimentos e POCs que validem hipóteses de produto usando IA e automação;
• Alavancar IA na tribo: copilotos, automação de PRs, agentes de revisão e formação do time;
• Representar tecnicamente a tribo em discussões com arquitetura, produto e liderança.

Requisitos essenciais

• Experiência com JavaScript e TypeScript;
• Conhecimento e experiência em frameworks Frontend: React e Vue/Nuxt;
• Experiência em modelagem e arquitetura frontend, integrações utilizando API REST e com controle de versão, preferencialmente Git e uso do GitHub;
• Capacidade de realizar monitoramento de erros e métricas (Sentry, Datadog, New Relic);
• Conhecimento de métodos de pagamento e regras de negócio;
• Domínio de conceitos de AI aplicada à engenharia;
• Conhecimento em server-side rendering, BFF, bundlers e transpilers.

Será um diferencial se você

• Ter familiaridade com cultura DevOps e CI/CD (Pipelines automatizados de build e deploy (GitHub Actions, GitLab CI).

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

We're looking to hire for our Data side of our AI team at Speechify. This role is responsible for all aspects of data collection to support our model training operations. We are able to build high-quality datasets at petabyte-scale and low cost through a tight integration of infrastructure, engineering, and research work. We are looking for a skilled Software Engineer to join us.

What You’ll Do

• Be scrappy to find new sources of audio data and bring it into our ingestion pipeline
• Operate and extend the cloud infrastructure for our ingestion pipeline, currently running on GCP and managed with Terraform.
• Collaborate closely with our Scientists to shift the cost/throughput/quality frontier, delivering richer data at bigger scale and lower cost to power our next-generation models.
• Collaborate with others on the AI Team and Speechify Leadership to craft the AI Team’s dataset roadmap to power Speechify’s next-generation consumer and enterprise products.

An Ideal Candidate Should Have

• BS/MS/PhD in Computer Science or a related field.
• 5+ years of industry experience in software development.
• Proficiency with bash/Python scripting in Linux environments
• Proficiency in Docker and Infrastructure-as-Code concepts and professional experience with at least one major Cloud Provider (we use GCP)
• Experience with web crawlers, large-scale data processing workflows is a plus
• Ability to handle multiple tasks and adapt to changing priorities.
• Strong communication skills, both written and verbal.

What we offer

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest-growing sectors of tech, the intersection of artificial intelligence and audio.

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its 2025 Design Award winner for Inclusivity.  

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

The responsibilities of our Platform team include building and maintaining all backend services, including, but not limited to, payments, analytics, subscriptions, new products, text to speech, and external APIs.

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, is passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Design, develop, and maintain robust APIs including public TTS API, internal APIs like Payment, Subscription, Auth and Consumption Tracking, ensuring they meet business and scalability requirements
• Oversee the full backend API landscape, enhancing and optimizing for performance and maintainability
• Collaborate on B2B solutions, focusing on customization and integration needs for enterprise clients
• Work closely with cross-functional teams to align backend architecture with overall product strategy and user experience

An Ideal Candidate Should Have

• Proven experience in backend development: TS/Node (required)
• Direct experience with GCP and knowledge of AWS, Azure, or other cloud providers
• Efficiency in ideation and implementation, prioritizing tasks based on urgency and impact
• Preferred: Experience with Docker and containerized deployments
• Preferred: Proficiency in deploying high availability applications on Kubernetes

What We Offer

• A dynamic environment where your contributions shape the company and its products
• A team that values innovation, intuition, and drive
• Autonomy, fostering focus and creativity
• The opportunity to have a significant impact in a revolutionary industry
• Competitive compensation, a welcoming atmosphere, and a commitment to an exceptional asynchronous work culture
• The privilege of working on a product that changes lives, particularly for those with learning differences like dyslexia, ADD, and more
• An active role at the intersection of artificial intelligence and audio – a rapidly evolving tech domain

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace. 

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.

COMO SEU TRABALHO PODE TRANSFORMAR O MUNDO! 

Missão da área: 

Construir e evoluir soluções de encontrabilidade de dados, garantindo que times internos e clientes consigam localizar, entender e utilizar ativos de dados com eficiência, por meio de ferramentas como catálogo de dados, Astrolens e outras plataformas integradas, potencializadas por Inteligência Artificial.

Aqui suas responsabilidades serão:

• Desenvolver soluções com diferentes níveis de complexidade, buscando otimização contínua de processos e tecnologias.
  
  
• Conduzir a análise, definição, desenho técnico e proposição de solução para o escopo de problemas.
  
  
• Realizar a implantação das soluções desenvolvidas.
  
  
• Garantir a qualidade do código por meio de Code Reviews e aprovação de PRs (Pull Requests) dos pares.
  
  
• Disseminar padrões e boas práticas de frontend.
  
  
• Criar experimentos e Provas de Conceito (POCs) para validar hipóteses de produto usando IA e automação.
  
  
• Alavancar o uso de IA na tribo (ex: copilotos, automação de PRs, agentes de revisão e formação da equipe).
  
  
• Representar tecnicamente a tribo em discussões com Arquitetura, Produto e Liderança.

Qualificações que você precisa ter:

• Domínio de JavaScript e TypeScript.
  
  
• Sólido conhecimento e experiência com frameworks Frontend como React e Vue/Nuxt.
  
  
• Experiência considerável em modelagem e arquitetura frontend.
  
  
• Experiência em integrações via API REST.
  
  
• Proficiência em controle de versão, preferencialmente Git e uso do GitHub.
  
  
• Capacidade de realizar monitoramento de erros e métricas (Sentry, Datadog, New Relic, etc.).
  
  
• Domínio de conceitos de IA aplicada à engenharia.
  
  
• Conhecimento em server-side rendering, BFF (Backend For Frontend), bundlers e transpilers.
  
  

Habilidades que são diferenciais:

• Familiaridade com cultura DevOps e CI/CD (Pipelines automatizados de build e deploy – GitHub Actions, GitLab CI).

.

About Us

Nu is one of the largest digital financial platforms in the world, with more than 122 million customers across Brazil, Mexico, and Colombia. Guided by our mission to fight complexity and empower people, we are redefining financial services in Latin America and this is still just the beginning of the purple future we're building.

Listed on the New York Stock Exchange (NYSE: NU), we combine proprietary technology, data intelligence, and an efficient operating model to deliver financial products that are simple, accessible, and human.

Our impact has been recognized by global rankings such as Time 100 Companies, Fast Company’s Most Innovative Companies, and Forbes World’s Best Bank. Visit our institutional page https://international.nubank.com.br/careers/ 

About the role

Our Engineering team helps Nubank to create and use the technology that provides us to build the best financial products. We strive for state-of-the-art software development practices that currently include a variety of technologies. While we value candidates that are familiar with them, we are also confident that software engineers who are interested in joining Nubank will be able to learn from our team. The software engineer is focused on software development with Clojure as the main programming language (We will teach you Clojure). Main responsibilities:

• Horizontally scalable microservices written mostly in Clojure, using Finagle and leveraging upon functional programming techniques and hexagonal architecture
• High throughput jobs and inter-service communication using Kafka
• Continuous Integration and Deployment into AWS
• Storing data in Datomic and DynamoDB
• Monitoring and observability with Prometheus
• Running as much as possible in Kubernetes

We are a process-light organization that values human interactions. We value working in small, independent teams that feel like small startups within the company, and eschew coupling and centralizing where realistic. We understand that execution is the key to success and optimize processes to remove bottlenecks.

You will be responsible for

• Work with large scale distributed systems, understanding their broad architecture
• Set technical direction for multiple teams, ensuring alignment with Business Areas and architecture strategies
• Drive pragmatic innovation while ensuring resilient and flexible solutions that scale across products and geographies
• Mentor engineers across teams, establishing and maintaining a high technical bar organization-wide
• Write, test, instrument, document, and maintain code. Able to pair and participate in code reviews to contribute to the growth of others in and around the team
• Collaborate closely with Product, Design, and Engineering leaders to build new experiences
• Ensure comprehensive observability, performance monitoring, and error handling across team services
• Participate in on-call rotations for your team and respond to incidents as necessary
• Work focused on backend applications, and be open to contribute to mobile and frontend development, according to business needs

We are looking for a person who has

• At least 10 years of experience developing digital products in complex environments
• Deep expertise in distributed systems, microservices architecture, and cloud technologies
• Proven track record of designing and delivering large-scale systems that serve thousands (or even millions) of users
• Strong background in object-oriented or functional programming languages, with ability to work across multiple languages
• Demonstrated ability to lead technical initiatives across multiple teams without direct authority
• Experience mentoring senior engineers and raising the technical bar across organizations
• Practical knowledge of agile software development methodologies and previous experience with CI/CD
• Good communication skills to prevent risks and explain trade-offs clearly to both technical and non-technical stakeholders
• Advanced English skills

Our Benefits

• Chance of earning equity at Nubank
• Food/ Meal Card (Vale-Refeição and/or Vale Alimentação)
• Public Transportation Commuting Benefit (Vale-Transporte)
• NuCare – Psychological, Financial and Legal Assistance Program
• Life Insurance
• Medical Plan
• Dental Plan
• NuLanguage – Language Course Program
• Nucleo - Our learning platform of courses
• Extended Parental Leave
• Daycare Allowance
• Parental Consultancy
• Work-from-home Allowance
• Gym Partnerships
• 30 days of paid vacation
• Relocation Assistance Package, if applicable

Work Model for this Role

Hybrid 2-3 times/week: Our hybrid work model brings us to the office at least twice a week, on strategic days designed to maximize team connection and collaboration. For more details, visit https://building.nubank.com/nu-hybrid-work-model/