Backend Developer Jobs

SmarterDx is transforming how health systems use clinical AI to capture the full value of patient care delivered. Built by physician-data scientists and trained on clinically-validated EHR data, our clinical AI platform interprets the nuances behind every patient story and makes clinically-sound rec

Squarespace is looking for a Backend Staff Software Engineer to lead the technical direction of our Communications Platform team. The Communications Platform is a critical engine powering customer engagement across Squarespace — providing internal teams with a scalable, reliable, and secure infrastr

Objective of the Role The primary objective of this role is to be an expert developer in backend environments, supporting the design, development, and optimization of advanced software solutions. This role involves code review, API integration, and defining technical processes, ensuring that applica

We are seeking an enthusiastic and highly skilled Backend Developer to join our fast-paced and innovative digital marketing agency. As a key member of our dev team, you will work closely with our developer team to design, develop, and maintain backend systems that power the sites and applications of

Join Proton and build a better internet where privacy is the default Proton was founded in 2014 by scientists from CERN on a simple truth: privacy is a fundamental human right . Since then, we’ve built the world’s largest encrypted email service (Proton Mail) and expanded into Proton VPN, Proton Dri

About Binance.US: Binance.US is a licensed and regulated U.S. cryptocurrency exchange where users can buy, trade, hold, and earn digital assets. Recognized as a top U.S. crypto platform by Forbes (Best Crypto Exchanges of 2026) and Business Insider (Best Crypto Exchanges of 2025), Binance.US leads t

Who We Are At Intropic, we’re building the future of financial intelligence, where deep market expertise meets the power of AI. Founded in London’s financial centre of Canary Wharf, we exist to transform complex data into clarity, precision, and action. Our culture is shaped by truth-seeking, veloci

Join Apaleo and Shape the Future of Hospitality Tech! Apaleo is the world’s most open, API-first property management platform powering the next generation of hospitality operations. Its modular, AI-powered infrastructure enables hoteliers to customise their tech stack, automate routine work, an

🚀 Why Headout? We’re a rocketship: 9-figure revenue, record growth, and profitable With $200M+ in revenue, guests in 700+ cities, and 18 months of profitability, Headout is the fastest-growing marketplace in the travel industry, and we’re just getting started. We've raised $60M+ from top-tier invest

Activate Interactive Pte Ltd (“Activate”) is a leading technology consultancy headquartered in Singapore with a presence in Malaysia and Indonesia. Our clients are empowered with quality, cost-effective, and impactful end-to-end application development, like mobile and web applications, and cloud te

Join one of the UK’s largest electrical wholesalers as we reimagine our technology for the digital age. We’re modernising our legacy systems and building new platforms powered by AWS and AI — and we need creative minds to help us shape the future! Life as a Senior Back End Developer: As a Senior Bac

Njuškalo is the leading Croatian marketplace, connecting more than 1.1 million active users daily. We pride ourselves on offering our users a simple, intuitive platform for online buying and selling, while providing our employees with a dynamic environment full of opportunities for growth and develo

Backend engineer - Indigo Platform LevelBlue/Cybereason · Tokyo, Japan MUST BE LOCATED IN JAPAN At Level Blue/Cybereason , we are developing Indigo , our next-generation platform designed for high-throughput ingestion, processing, and real-time analysis of EDR, XDR, and

About Clerkie Clerkie is a fintech startup on a mission to democratize financial wellness using the power of artificial intelligence. Launched in 2018, Clerkie began with an app, aiming to help the nearly 123 million underserved Americans in need of financial guidance. Since its inception, the compa

About Safari AI Safari AI's vision is to Automate Action of the leading companies in the physical economy, from Entertainment, Live Venues, QSR's, Retail and beyond. The company uses computer vision AI to Measure, Alert and provide AI-generated Recommendations at the operations of leading enterprise

We Are Route When shoppers hit "buy," a great customer experience doesn’t end, it’s just getting started. For too long, everything after checkout has been the weakest link in ecommerce: confusing tracking, lost or damaged packages, clunky returns, and missed opportunities to turn first-time buyers i

Since August 2019, we’ve been making it easier for customers to find the right vehicle, and for automotive retailers to sell them. More recently, we’ve been on a journey… In June 2025 we were acquired by Volkswagen Financial Services UK (VWFS UK) and our mission is simple: build the right tech

Senior Back-End Engineer About Peerspace Peerspace is the leading and category defining online marketplace for venue rentals for meetings, productions, and events. We open doors to the most inspiring spaces around the world, from lofts and mansions to storefronts and studios. Over $500M has been tra

You'll build the software that connects engineering intelligence to the world's leading CAD platforms. If you've ever written Python that automated Siemens NX, CATIA, SOLIDWORKS, or Creo—or built backend services that process engineering design data—you'll likely find this work exciting. You'll desi

¿Eres el Ingeniero Backend que Transformará la Arquitectura de Próxima Generación? Ubicación: Remoto (España) Horario: 09:00 - 18:00 En Initium Softwa...