Mission

Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster.

What streaming services have done for audio entertainment, we’re doing for audio information. And whatever we’re doing seems to be working. We’re #1 in our category, and experiencing exponential growth.

Overview

We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify’s product experience across platforms. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.

What You’ll Do

• Collaborate with Speechify’s Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK
• Optimize existing functionality to ship things like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms
• Ship cloud functions, lightweight backend services, and jobs using Kotlin

An Ideal Candidate Should Have

• Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable.
• Speed. You work quickly to generate ideas and options 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
• Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs
• Preferred Tech Stack:
  • Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) 
  • Prior experience with GCP is a plus

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.

About us

Nu was born in 2013 with the mission to fight complexity to empower people in their daily lives by reinventing financial services. We are one of the world’s largest digital banking platforms, serving millions of customers across Brazil, Mexico, and Colombia. For more information, visit our institutional page https://international.nubank.com.br/careers/

ML Engineering at Nubank

Data Science is essential to every part of the business at Nubank, since Day 1. Most areas of the company use data science to some extent. ML Engineers are key to connecting ML models and ML-enabled systems to the rest of our infrastructure, while making sure that they work properly, delivering value to our customers. 

As a Machine Learning Engineer, you’re expected to

• Interact with other team members to understand how to best apply data science and artificial intelligence to Nubank’s problems;
• Help monitor and maintain models and ML systems, making sure they are working well as measured by performance, operational and business metrics;
• Help deploy ML models both in batch and real-time scenarios. This may include building pipelines, constructing features and integrating models to other systems;
• Help build and maintain tooling and platforms to scale operations across multiple teams; 
• Be familiar with modeling and statistics concepts;
  
  

Our ideal candidate

• Has extensive programming experience and is familiar with modern development techniques;
• Has experience creating, deploying and maintaining ML models and ML-enabled systems using modern frameworks;
• Understands the most common failure modes in ML-enabled systems and knows how to avoid and/or mitigate those; 
• Is familiar with all stages of the ML model lifecycle, from inception to deployment and steady-state operation;
• Is familiar with cloud-based services from vendors such as AWS, GCP and Azure.
• Is familiar with software engineering and architecture principles and how they enable sustainable and maintainable systems;
• Is familiar with data engineering routines, pipelines and job scheduling frameworks;
• Is able to navigate complex mathematical and analytical environments when needed;
  
  

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
  
  

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/

Somos o acelerador que impulsiona o crescimento na Ibero-América, combinando a excelência global em engenharia da EPAM com a experiência regional e a proximidade cultural da NEORIS. Ajudamos as organizações a escalar, modernizar e avançar em sua transformação digital por meio de soluções em Cloud, Data & Analytics, Inteligência Artificial, Cibersegurança, Automação Inteligente, Consultoria Estratégica e Engenharia de Software.

Respaldados por mais de 60.000 profissionais em mais de 55 países e por um sólido modelo Nearshore, conectamos capacidades globais com confiança local para gerar impacto real, crescimento sustentável e resultados de alto valor para nossos clientes.

Acreditamos que a diversidade impulsiona a inovação. Por isso, todas as nossas oportunidades estão abertas para todas as pessoas, independente de gênero, raça, idade, identidade, orientação ou condição. 

Formato de contratação: CLT + Benefícios

Descrição do cargo

Estamos em busca de um(a) Arquiteto(a) de Soluções para atuar no desenho, validação e evolução de arquiteturas corporativas, garantindo alinhamento entre as necessidades do negócio, requisitos técnicos e padrões de governança. Este(a) profissional será responsável por liderar decisões técnicas, apoiar times de desenvolvimento, orientar boas práticas e assegurar a construção de soluções escaláveis, resilientes e seguras. Se você possui essa experiência, deseja compor nosso Banco de Talentos e ser considerado para oportunidades futuras, inscreva-se e mantenha seu perfil atualizado.

Principais Responsabilidades:

Arquitetura & Design de Soluções

• Projetar, documentar e validar arquiteturas de sistemas, microsserviços e integrações corporativas.
• Avaliar requisitos funcionais e não funcionais, garantindo aderência a padrões de qualidade, segurança, disponibilidade e performance.
• Definir e manter padrões de arquitetura, modelos de referência e guias de boas práticas.
• Orientar equipes no uso de padrões de integração, APIs, mensageria, cloud e melhores práticas de engenharia.

Governança & Estratégia

• Atuar como guardião(ã) das diretrizes arquiteturais, contribuindo para evolução tecnológica e redução de dívidas técnicas.
• Realizar análises de impacto, avaliações de solução (Solution Assessment) e Estudos de Viabilidade Técnica.
• Apoiar o roadmap tecnológico, propondo inovações, modernização e otimização de plataformas existentes.
• Participar de comitês de arquitetura e apoiar tomada de decisão executiva.

Liderança Técnica & Suporte aos Times

• Colaborar com Product Owners, Tech Leads, SREs, Engenharia e Negócio para garantir soluções robustas.
• Acompanhar implementações críticas, fornecendo direcionamento técnico durante todo o ciclo de vida.
• Realizar validação de código, alinhamento técnico e revisão de arquitetura com as equipes.
• Facilitar discussões técnicas, promover troca entre times e fomentar boas práticas de engenharia.

Tecnologia & Inovação

• Atuar com arquiteturas baseadas em nuvem (AWS, Azure ou GCP), containers e orquestração
• Avaliar e propor soluções utilizando padrões modernos: APIs REST, GraphQL, filas/eventos, microsserviços, CI/CD, observabilidade.
• Apoiar times na adoção de ferramentas de monitoração, segurança e automação.
• Participar de provas de conceito (POCs) para validar novas tecnologias.

Requisitos

• Ensino superior em Ciência da Computação, Engenharia de Software, Sistemas de Informação ou áreas correlatas.
• Desejável pós-graduação/MBA em Arquitetura de Software, Engenharia de Software, Segurança ou áreas afins.
• Experiência sólida em arquitetura de software, engenharia ou desenvolvimento de sistemas.
• Domínio em arquiteturas distribuídas, microsserviços, padrões de integração e modelagem de dados.
• Conhecimento em tecnologias como Cloud: AWS, Azure ou GCP.
• Containers: Docker, Kubernetes.
• Integração: APIs REST, mensageria (Kafka, RabbitMQ), Webhooks.
• Desenvolvimento: Java, C#, Node.js, Python (um ou mais).
• Observabilidade: Grafana, Prometheus, New Relic, etc.
• Experiência com pipelines CI/CD, DevOps, automações e versionamento.
• Conhecimento de segurança da informação e práticas de arquitetura segura.
• Capacidade de elaboração de documentos técnicos, diagramas (C4 Model, BPMN, UML).

Desejável

• Certificações em arquitetura (AWS Architect, Azure Solutions Architect, TOGAF, etc.).
• Experiência com ambientes híbridos ou de grande complexidade.
• Vivência com automação, SRE, containers e alta disponibilidade.
• Experiência com integrações legadas e modernização de ambientes.

Oferecemos

• 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. 

Te convidamos a nos conhecer em http://www.neoris.com, Facebook, LinkedIn, Twitter o Instagram: @NEORIS.

#LI-BR1

Somos o acelerador que impulsiona o crescimento na Ibero-América, combinando a excelência global em engenharia da EPAM com a experiência regional e a proximidade cultural da NEORIS. Ajudamos as organizações a escalar, modernizar e avançar em sua transformação digital por meio de soluções em Cloud, Data & Analytics, Inteligência Artificial, Cibersegurança, Automação Inteligente, Consultoria Estratégica e Engenharia de Software.

Respaldados por mais de 60.000 profissionais em mais de 55 países e por um sólido modelo Nearshore, conectamos capacidades globais com confiança local para gerar impacto real, crescimento sustentável e resultados de alto valor para nossos clientes.

Acreditamos que a diversidade impulsiona a inovação. Por isso, todas as nossas oportunidades estão abertas para todas as pessoas, independente de gênero, raça, idade, identidade, orientação ou condição. 

Oferecemos

• 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. 
•  

Se você possui experiência e tem interesse em participar de iniciativas estratégicas, cadastre seu perfil em nosso banco de talentos.

Te convidamos a nos conhecer em http://www.neoris.com, Facebook, LinkedIn, Twitter e Instagram: @NEORIS.
#LI-KC1

About us 

Nubank was founded in 2013 with the mission of fighting complexity to empower people in their daily lives by reinventing financial services. Today, we are one of the largest digital banking platforms in the world, serving millions of customers across Brazil, Mexico, and Colombia. For more information, visit our careers page: https://international.nubank.com.br/careers/ 

About the team 

The Governance, Risk and Compliance (GRC) team enables Nubank to remain compliant with legal, regulatory, and internal requirements, while continuously identifying, classifying, and monitoring risks and providing strategic insights and performance evaluation to leadership.

The GRC squad collaborates with multidisciplinary teams to align our technology security strategy with Nubank’s overall business objectives, ensuring that identified risks are mitigated and that risk-based decision-making is enabled within and beyond the IT & Security Business Unit.

About the role

You will be responsible for acting as a technical reference in security, certifications, and internal controls, serving as a bridge between engineering, risk, audit, and business stakeholders.
You will define strategies, support risk-based decision-making, and ensure that security and compliance requirements are effectively embedded into processes, systems, and products.

Key responsibilities

• Act as a senior technical and governance reference across security, certifications, risk, and internal controls, influencing strategy.
• Identify control gaps and improvement opportunities in technical procedures required for certification and recertification processes  (e.g., ISO 27001, PCI-DSS).
• Develop and maintain strong partnerships with business and technical leaders to orchestrate audits, assessments, and remediation plans in a risk-based and scalable way.
• Collaborate with technical teams to define action plans that ensure adherence to regulatory requirements and internal policies.

• Conduct assessments of internal controls, ensuring adherence to internal policies, legal requirements, and industry standards.
• Identify gaps and improvement opportunities in the internal controls landscape and lead control reviews, ensuring timely resolution of issues.
• Work closely with Risk teams to align on the mitigation of identified risks.
• Support responses to audit requests, regulatory inquiries, and due diligence from business partners.

• Partner with Engineering, Product, IT, and global teams to integrate compliance and security requirements into processes and systems.

• Define and monitor KRIs and KPIs, delivering forward-looking, data-driven insights to senior management and Committees.
• Drive continuous improvement and scale, simplifying processes and strengthening Nubank’s Security Maturity as the company grows globally.

Qualification Requirements

• Solid experience in information security, with strong knowledge of frameworks such as PCI-DSS, ISO 27000 family, NIST, and similar.
• Prior experience with security certification processes and/or internal controls, compliance, and audit support.
• Excellent executive communication skills, capable of translating complex topics into clear, actionable insights for senior leadership and committees.
• Experience operating in regulated and global environments, including interaction with auditors and regulators.
• Bachelor’s degree in Engineering, Technology, Security Information, Risk Management or related fields.
• Familiarity with using AI and automation (e.g., machine learning, generative AI, or LLM-based tooling) to enhance security compliance use cases.
• Knowledge of the regulatory landscape relevant to financial services, such as SOx, BACEN, CVM, CNBV, ANBIMA, SEC, and related regulations.
• Hands-on experience with cloud environments (e.g., AWS, GCP) and implementing security controls in these contexts.
• Advanced English (written and verbal) required.

Nice to have Requirements

• Relevant certifications such as CRISC, CISA, Security+, CISSP, or CISM are considered a strong plus.

International experience is highly desirable.

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/

About us 

Nubank was founded in 2013 with the mission of fighting complexity to empower people in their daily lives by reinventing financial services. Today, we are one of the largest digital banking platforms in the world, serving millions of customers across Brazil, Mexico, and Colombia. For more information, visit our careers page: https://international.nubank.com.br/careers/ 

About the team 

The Governance, Risk and Compliance (GRC) team enables Nubank to remain compliant with legal, regulatory, and internal requirements, while continuously identifying, classifying, and monitoring risks and providing strategic insights and performance evaluation to leadership.

The GRC squad collaborates with multidisciplinary teams to align our technology security strategy with Nubank’s overall business objectives, ensuring that identified risks are mitigated and that risk-based decision-making is enabled within and beyond the IT & Security Business Unit.

About the role

You will be responsible for acting as a technical reference in security, certifications, and internal controls, serving as a bridge between engineering, risk, audit, and business stakeholders.
You will define strategies, support risk-based decision-making, and ensure that security and compliance requirements are effectively embedded into processes, systems, and products.

Key responsibilities

• Act as a senior technical and governance reference across security, certifications, risk, and internal controls, influencing strategy.
• Identify control gaps and improvement opportunities in technical procedures required for certification and recertification processes  (e.g., ISO 27001, PCI-DSS).
• Develop and maintain strong partnerships with business and technical leaders to orchestrate audits, assessments, and remediation plans in a risk-based and scalable way.
• Collaborate with technical teams to define action plans that ensure adherence to regulatory requirements and internal policies.

• Conduct assessments of internal controls, ensuring adherence to internal policies, legal requirements, and industry standards.
• Identify gaps and improvement opportunities in the internal controls landscape and lead control reviews, ensuring timely resolution of issues.
• Work closely with Risk teams to align on the mitigation of identified risks.
• Support responses to audit requests, regulatory inquiries, and due diligence from business partners.

• Partner with Engineering, Product, IT, and global teams to integrate compliance and security requirements into processes and systems.

• Define and monitor KRIs and KPIs, delivering forward-looking, data-driven insights to senior management and Committees.
• Drive continuous improvement and scale, simplifying processes and strengthening Nubank’s Security Maturity as the company grows globally.

Qualification Requirements

• Solid experience in information security, with strong knowledge of frameworks such as PCI-DSS, ISO 27000 family, NIST, and similar.
• Prior experience with security certification processes and/or internal controls, compliance, and audit support.
• Excellent executive communication skills, capable of translating complex topics into clear, actionable insights for senior leadership and committees.
• Experience operating in regulated and global environments, including interaction with auditors and regulators.
• Bachelor’s degree in Engineering, Technology, Security Information, Risk Management or related fields.
• Familiarity with using AI and automation (e.g., machine learning, generative AI, or LLM-based tooling) to enhance security compliance use cases.
• Knowledge of the regulatory landscape relevant to financial services, such as SOx, BACEN, CVM, CNBV, ANBIMA, SEC, and related regulations.
• Hands-on experience with cloud environments (e.g., AWS, GCP) and implementing security controls in these contexts.
• Advanced English (written and verbal) required.

Nice to have Requirements

• Relevant certifications such as CRISC, CISA, Security+, CISSP, or CISM are considered a strong plus.

International experience is highly desirable.

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/