Senior Backend Software Engineer | AI Engine

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior Backend Software Engineer in our CARE - AI Engine team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. We build AI-powered backend services that put LLMs in front of real users. We need a senior engineer who can ship them and keep them reliable, observable, and fast in production. YOUR IMPACT As a Senior Backend Software Engineer on the AI Engine team, you will: Design and ship AI-powered features end to end. You own quality, latency, and cost. Build backend services and APIs that hold up under real load. Instrument what you ship, watch the numbers, fix what's wrong. Review code and designs critically. Push back when something doesn't add up. Help taking prompt, retrieval, and agent changes from experiment to production. Live the mission: inspire and empower others by genuinely caring for your own wellbeing and your colleagues. Bring wellbeing to the forefront of work, and create a supportive environment where everyone feels comfortable taking care of themselves, taking time off, and find

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company. We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Senior Backend Software Engineer to join our Identity Experience (IDX) team in Brazil ! This is a Remote – Brazil position, meaning you can work from anywhere within the country. Please note that this role is only open to candidates in Brazil. We’re looking for an autonomous and resourceful Senior Software Engineer to join our international Identity Experience (IDX) team. The IDX team owns critical services at the heart of our product, including account creation, account management, account recovery, permissions management, and more. In this role, you’ll build features that sit at the spine of the product and power experiences used by millions of users. You’ll tackle complex engineering challenges where performance, reliability, and scalability are essential, while designing and evolving systems built to operate at massive scale. You’ll also play a key role in driving our AI transformation, leveraging your experience with AI-assisted development to raise engineering standards, accelerate delivery, and build seamless, reliable identity experiences. THE OPPORTUNITY Drive and own critical core identity services, including

At Playlist, life's richest moments happen when people step away from screens to move, connect, explore, and play. We're building the definitive platform for intentional living, connecting people with inspiring experiences in fitness, wellness, and beyond. With popular brands like Mindbody and ClassPass, Playlist empowers businesses and individuals, making it effortless for aspirations to become actions. Join us in reshaping technology's role to foster meaningful, real-world connections. Mindbody equips wellness entrepreneurs with technology to support thriving businesses and create exceptional experiences. Innovation and curiosity drive our culture, connecting businesses and individuals through cutting-edge solutions. Join us if you're passionate about enhancing wellness through technology. The Role You’ll Play Build the secure, scalable systems that power Mindbody’s wellness platform—helping studios thrive and consumers stay connected to what moves them. Partner with Product, Design, and QA to bring features to life from ideation through deployment, always iterating with the end-user in mind. Design and develop backend services and APIs that are robust, maintainable, and user-friendly. Champion engineering excellence through practices like automated testing, thoughtful code reviews, and effective monitoring. Push for simplicity and eliminate unnecessary complexity, all while delivering reliable, high-quality software that delights users. Contribute to architecture decisions and help shape how microservices interact across a growing, service-oriented ecosystem. Lead with curiosity—seeking feedback, learning from diverse perspectives, and mentoring others along the way. Drive positive change, culture, and collaboration on a team that values autonomy and impact. Experience You Bring Proficiency in .NET Senior-level experience developing backend systems for large-scale platforms. Experience a

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Airbnb is a mission-driven company dedicated to helping create a world where anyone can belong anywhere. It takes a unified team committed to our core values to achieve this goal. Airbnb's various functions embody the company's innovative spirit and our fast-moving team is committed to leading as a 21st century company. The Difference You Will Make: The Service Tools team’s mission is to enable Airbnb backend developers to develop, test, and maintain their code quickly and reliably. This team is responsible for the standard development lifecycle for service owners—everything from AI Integration for service development, to how integration tests work, to building services for deployment. This represents Airbnb’s largest cohort of developers, you will ultimately be responsible for their productivity. A Typical Day: As an engineer on Service Tools, you will work on technologies that help shape an industry-leading end to end developer experience for backend developers. In this role you will be: Building our next-gen build system using the latest technologies (e.g., Bazel). Working on integrations between the build system and CI/CD tooling (e.g., merge queues, code coverage, integration testing). Improving the editor (e.g., IntelliJ) experience for all backend developers. Helping to shape the technical strategy that directly moves our core metrics (Developer Experience, Developer Velocity, Debuggability, Resilience and Reliability) while reducing cost. Partnering with engineering leaders across all Airbnb teams for adoption of the new capabilities. Your customers will be all enginee

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you'll do As a Senior Software Engineer on the Accounting Engineering team, you will build the platform and product surfaces that turn Brex activity into accurate, usable accounting data. Accounting is a core component of our product offering and often a strategic differentiator. Your focus will be the systems finance teams depend on to close their books: reusable accounting records, rules, and mappings, reliable ERP integrations with NetSuite, QuickBooks, Xero, and others, and AI-native automation that predicts accounting w

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams span Software, Data, Security, and IT, and operate with high autonomy and deep collaboration. We tackle hard technical problems, own our outcomes, and push for excellence at every level — from architecture to deployment. It’s an environment where engineering is a craft, and builders become leaders. What you’ll do As a Senior Full-Stack Software Engineer on our Task Workflows Platform team, you will build and scale the foundational infrastructure that powers core experiences across Brex. You will work across our extensive suite of platforms - including our multi-channel notifications engine, collaborative commenting system, and dynamic workflow rule builder. You will also play a pivotal role in evolving our task orchestration infrastructure, helping us transition from a centralized, generic experience into highly tailored, p