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.

The Problems You'll Solve

As a Treasury Analyst, you’ll be an integral part of Carta’s Fund Administration business supporting a global FA Treasury team—owning daily operational processes while driving improvements that enhance the overall client experience. Beyond executing payments and managing bank administration tasks, you’ll collaborate cross-functionally to identify inefficiencies, contribute to scalable solutions, and help shape how we support fund operations at scale.

• Own end-to-end payment execution workflows, including initiating and reviewing ACH / Wire and FX payments for client approval
• Collaborate with cross-functional teams such as Product, Engineering and Operations to troubleshoot issues, improve processes, and influence product roadmaps
• Communicate with clients and external stakeholders to address inquiries and provide a high-quality support experience
• Lead or support the opening and setup of new client bank accounts in partnership with Onboarding and Implementation teams
• Establish and maintain bank connectivity, ensuring transactions are accurately uploaded to the Carta platform
• Proactively identify operational gaps, risks and support the development of scalable solutions
• Contribute to the creation and maintenance of internal reporting, documentation, playbooks, and training resources
• Support data analysis and reporting needs using Excel, Metabase, Looker and other internal data tools
• Verify vendor / payee wire instructions, collect necessary documentation (e.g., W-9s), and ensure compliance with internal controls

The Impact You'll Have

At Carta, we’re building infrastructure that helps innovators unlock the power of ownership. On the Treasury team, you'll be at the center of that mission—ensuring our clients' capital flows reliably and efficiently. You'll work closely with the Fund Administration team to help with the day-to-day payment processing requests and bank administration tasks on behalf of fund administration clients. You’ll play a vital role in ensuring accurate and timely fund movements for our clients. Your contributions will help improve and scale our Treasury processes, while giving you the opportunity to grow cross-functionally and influence how we support fund operations at Carta.

About You

• Fluency in English, both verbal and written
• 2–3 years of experience in Treasury, banking operations, or payment processing, with an interest in growing into more strategic or technical roles
• Strong attention to detail and a high degree of ownership over assigned workflows
• Clear verbal and written communicator who is comfortable interacting directly with clients and cross-functional stakeholders 
• Proficient in Excel and adaptable to learning tools like Looker, Salesforce, or other internal platforms
• Comfortable navigating ambiguity, asking thoughtful questions, and proposing ideas for process improvement
• Intellectual curiosity with a strong appetite for continuous learning and growth
• Strong problem-solving and critical thinking skills; naturally curious and solution-oriented
• Interested in building a long-term career in Treasury, Fund Administration, or fintech operations
• Understanding of Fund Administration is a plus

Only applications and CVs in English will be considered.

About the Role: 

Here’s what you’ll be doing:

• Create and cultivate deep business relationships with the biggest producers, creators, venues and key stakeholders in the entertainment industry.
• Develop and deliver a growth strategy for the market, with an innovative and effective approach to scaling Fever's presence in the region
• Expertly manage commercial strategy with large partners ensuring value creation for both parties
• Evidence strong organizational skills to effectively balance and grow a large base of clients 
• Collaborate closely with cross functional stakeholders to successfully deliver on partner growth across Brazil and internationally
• Keep up to date with everything cool that’s happening in the entertainment; think of yourself as the expert for new and trending experiences

About You:

Here’s what you should bring to the table:

• At least 3+ years of top tier consulting or equivalent experience, with additional 5+ years of experience in relevant sectors (e.g. corporate management, tech companies, sport / music / arts)
• Proven track record of sales success in a fast-paced, quota carrying role
• Strong business development and partnership management skills
• Self-starter mentality with an ability to work in a demanding, dynamic start-up environment
• Demonstrated data-driven approach to business and task prioritization
• Excellent communication skills both written and verbal in English and Portuguese along with strong attention to detail
• Comfort in working with Microsoft Office, Google docs, and a Sales CRM (Salesforce is preferred)
• Knowledge of the city’s entertainment, events, and lifestyle trends
• Experience in the event and entertaiment industry is a plus but not required

Benefits & Perks: 

• Attractive compensation package consisting of significant stock package, base salary, and performance-based bonus
• 40% discount on all Fever events and experiences
• Health insurance and other benefits such as meal tickets and travel pass
• Responsibility from day one and professional and personal growth
• Great work environment with a fun, international team of talented people to work with!
• Opportunity to have a real impact in a high-growth global category leader

#LI-Hybrid 

Only applications and CVs in English will be considered.

About the Role: 

Here’s what you’ll be doing:

• Create and cultivate deep business relationships with the biggest producers, creators, venues and key stakeholders in the entertainment industry.
• Develop and deliver a growth strategy for the market, with an innovative and effective approach to scaling Fever's presence in the region
• Expertly manage commercial strategy with large partners ensuring value creation for both parties
• Evidence strong organizational skills to effectively balance and grow a large base of clients 
• Collaborate closely with cross functional stakeholders to successfully deliver on partner growth across Brazil and internationally
• Keep up to date with everything cool that’s happening in the entertainment; think of yourself as the expert for new and trending experiences

About You:

Here’s what you should bring to the table:

• At least 3+ years of top tier consulting or equivalent experience, with additional 5+ years of experience in relevant sectors (e.g. corporate management, tech companies, sport / music / arts)
• Proven track record of sales success in a fast-paced, quota carrying role
• Strong business development and partnership management skills
• Self-starter mentality with an ability to work in a demanding, dynamic start-up environment
• Demonstrated data-driven approach to business and task prioritization
• Excellent communication skills both written and verbal in English and Portuguese along with strong attention to detail
• Comfort in working with Microsoft Office, Google docs, and a Sales CRM (Salesforce is preferred)
• Knowledge of the city’s entertainment, events, and lifestyle trends
• Experience in the event and entertaiment industry is a plus but not required

Benefits & Perks: 

• Attractive compensation package consisting of significant stock package, base salary, and performance-based bonus
• 40% discount on all Fever events and experiences
• Health insurance and other benefits such as meal tickets and travel pass
• Responsibility from day one and professional and personal growth
• Great work environment with a fun, international team of talented people to work with!
• Opportunity to have a real impact in a high-growth global category leader

#LI-Hybrid 

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/

ABOUT THE ROLE

ABOUT THE TEAM

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/  

Business Analysts at Nubank

As a company at the forefront of the financial revolution in Brazil, Nubank has experienced exponential growth since its inception. To keep your growth path healthy, numerous critical decisions constantly need to be made. Business Analysts are fundamental in the decision process because they must not only be able to deal with large amounts of information and data, but also always think of ways to improve our clients' experience.

It is BA's responsibility to structure the data, analyze it and use the results to test different solutions with the aim of improving Nubank's efficiency.

We are looking for people who are independent and who are not afraid to take the initiative to identify and solve problems that are not necessarily obvious.

You can read more about it in our blog and get some insights into how we work.

As a Business Analyst, you’re expected to:

• Do a lot of investigative work, focused on deciding which data makes the most sense to use in which situation. If you don't have the data, it's your job to think about what tests can be done or how to extract the information you need to answer your questions;
• Support your team in making data-based decisions by monitoring analysis and decisions, ensuring the flow of projects and making the process of taking risks comfortable despite the uncertainties;
• Learning how to work with a large volume of data to build a solid foundation for decision making with calculated risks - even knowing that not all the answers are in the data and/or that not all the data you would like is available;Use tools like SQL, Python and Scala - taught during your first weeks with us - for data extraction;
• Understand our products and interactions with other areas;
• Take advantage of opportunities to grow and learn from a well-prepared and highly qualified team;
• Opportunity to work in a complex, dynamic and diverse environment, participating in projects that will impact a large number of clients.

 What are we looking for?

• Analytical capacity: ease with numbers and calculations, having the ability to solve problems mathematically;
• Business basics: dynamics between risks and opportunities, as well as interaction between business areas and technical areas (products/engineering);
• Problem solving: ease and creativity to seek solutions to day-to-day challenges and achieve the best results;
• Ability to understand how your decisions and work impact our customers' experience, seeking results that align with our purpose;
• Willingness and ease of learning, especially for tools;
• Openness to receive feedback and incorporate it into your daily life and development;
• Adaptability to the multifunctional environment;
• Profiles that add value to Nubank's culture.

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

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/