Backend Engineering Jobs

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. WHOOP is hiring a Software Engineer II to join the Business Systems team. In this role, you will design and imp

The AI-powered OS for beauty, wellness and self-care About FreshaFresha is the AI-powered operating system for the global beauty, wellness and self-care industry, connecting and powering everything from salons and barbers to spas, medspas, fitness studios and health practices.Trusted by millions of

AI Trainer - Advanced Java Developers About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participa

Ajax Systems — міжнародна технологічна компанія і найбільший у Європі виробник охоронних систем. Ми шукаємо нового гравця до підрозділу Automation на позицію Middle Python DeveloperAutomation Department впроваджує нові пристрої у виробництво, розробляючи системи тестування та прошивки для кожного пр

Location: Warsaw, Poland — Onsite (4 days / week) Contract: B2B · 25–42 k PLN net / month + RSUs Fresha: Shaping the Future of Beauty & Wellness Join Fresha, the leading marketplace platform transforming the beauty and wellness industry globally. With over 120,000 businesses and 450,000 stylists tru

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bri

AI Trainer - Advanced Java Developers About Prolific Prolific is not just another player in the AI space – we are building the biggest pool of quality human data in the world. Over 35,000 AI developers, researchers, and organizations use Prolific to gather data from paid study participa

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Engineering team that builds systems that power Affirm’s mission. We take pride in our craft, building reliable, performant

The Quant Trading team is responsible for trading and managing risks associated with different crypto products, including spots and derivatives. The team develops and implements trading strategies in fast-paced and complex trading environments. Responsible for the full-stack design, development and

The Quant Trading team is responsible for trading and managing risks associated with different crypto products, including spots and derivatives. The team develops and implements trading strategies in fast-paced and complex trading environments. Responsible for the full-stack design, development and

Collaborate closely with product managers, designers, and fellow engineers to develop scalable and reliable backend services. Build, maintain, and optimize APIs and infrastructure supporting our acquisition funnels, e-commerce experiences, and membership growth experiments. Write well-tested, mainta

________This is an example!________ PLEASE READ: these jobs are testing jobs of Lever's testing environment - please do not apply for this job. Lever was founded ten years ago to tackle the most strategic challenge that companies face: how to recruit and hire top talent. We’re building the next gene

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the peo

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers members to perform at a higher level through a deeper understanding of their bodies and daily lives. WHOOP is hiring a Senior Software Engineer to join the Business Systems team. In this role, you will design and

At WHOOP, we're on a mission to unlock human performance and healthspan. WHOOP empowers users to perform at a higher level through a deeper understanding of their bodies and daily lives. Our wearable device tracks key physiological metrics such as heart rate variability, resting heart rate, and slee

ABOUT YOU We are looking for an experienced senior backend engineer to join the Xsolla Technical Integration Team (China). The team focuses on driving innovation and delivering tailored solutions for our major partners in China through customized integration projects, localized product and solution

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the peo

The mission of The New York Times is to seek the truth and help people understand the world. That means independent journalism is at the heart of all we do as a company. It’s why we have a world-renowned newsroom that sends journalists to report on the ground from nearly 160 countries. It’s why we f

About Mistral At Mistral AI, we believe in the power of AI to simplify tasks, save time and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life. We democratize AI through high-performance, optimized, open-source and cutting-edge models, product

Affirm is reinventing credit to make it more honest and friendly, giving consumers the flexibility to buy now and pay later without any hidden fees or compounding interest. The Merchant Data Platform is a backend, foundational service at Affirm. We are responsible for merchant data and identity acro