Senior Backend Engineer Jobs

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our

About the Role We are looking for a Senior Backend Engineer to lead the unification of large, highly rich, and heterogeneous datasets sourced from a wide range of external providers. These datasets are used to power our generative audio models. Your work will create the foundational dataset th

About Us: Blockworks is an information platform that sits at the center of the crypto industry. We transform raw, complex data and facts into actionable research, trusted alpha-driven insights, and world-class events. The result is transparency and confidence. Blockworks connects investors and busin

Attention all talented Backend Developers Wisor.AI, an early stage and well funded startup, is now looking for an experienced Backend developer to join a growing and dynamic R&D team. Wisor.AI is revolutionizing the way shipping companies operate—replacing outdated manual work with smart, AI-powered

We are looking for a Senior Backend Engineer to join a fast-moving healthcare technology startup operating in the dental insurance and practice management space. The role is focused on supporting the evolution of a highly context-driven platform involving insurance workflows, automation, AI-powered

Skeletons, lasers, tattoo buses — the Torq brand grabs attention like nothing else in cybersecurity. And we're growing like crazy, backed by Series D funding, 200% employee growth, and 300% revenue growth. Fueling Torq's momentum is our game-changing AI SOC platform, backed by a team and culture tha

Be part of the team that defends the networks the world depends on Corelight defends the world’s most sensitive networks—from global commerce to national defense—quietly, relentlessly, and with resolve. As cyber threats grow faster and smarter, we serve as the trusted force behind network resilience

Summary We are looking for a Senior C++ Engineer to join our core backend engineering collective. This is a high-impact opportunity to shape future trends in data processing and high-performance computing. You will be at the forefront of evolving a platform that handles massive, multi-dimensional da

At ChurchDesk, our mission is to help churches modernize and stay connected with their communities in a rapidly changing world. As a SaaS company, we provide digital tools that enable churches to streamline operations, communicate effectively, and engage their congregations. Over the past 15 years,

About Toptal Toptal is a global network of top talent in business, design, and technology that enables companies to scale their teams, on-demand. With $200+ million in annual revenue and team members based around the globe, Toptal is the world’s largest fully remote workforce. We take the best eleme

We are the company behind CKEditor — an open-source rich text editor used by millions of people around the world. We are part of Tiugo Technologies, a family of API-first developer platforms (CKEditor, TinyMCE, ButterCMS, Uploadcare) focused on content creation and digital collaboration. Your role:

About Atticus At any given time, 16 million Americans are experiencing a crisis that requires urgent help from our legal system or government. The right assistance could transform their lives. But today, most never get it. Atticus makes it easy for any sick or injured person in crisis to get the lif

At Roofr, we’re obsessed with our customers. We constantly gather feedback to shape, prioritize, and launch the products they truly need. That’s what makes Roofr’s CRM special. We started by building essential sales tools like aerial roof measurements and digital sales proposals. But when our custom

About Kiddom Kiddom is a groundbreaking educational platform that promotes student equity and growth by uniting high-quality instructional materials with dynamic digital learning. Through unparalleled curriculum management functionality, Kiddom empowers schools and districts to take ownership of the

Why this role matters JOIN helps thousands of businesses find the right people — faster, fairer, and with less friction. Our platform handles millions of candidate interactions, and our clients praise JOIN’s attention to detail and unmatched user experience. We’re looking for a Backend Engineer to j

🚀 About Revefi Founded in 2021 by Sanjay Agrawal and Shashank Gupta, the visionary co-founders of ThoughtSpot (Gartner’s BI Magic Quadrant leader), Revefi is a Series A funded startup that has raised $30 Million from renowned investment firms like Icon Ventures, Mayfield Fund, GTM Capital, and StepS

Skeletons, lasers, tattoo buses — the Torq brand grabs attention like nothing else in cybersecurity. And we're growing like crazy, backed by Series D funding, 200% employee growth, and 300% revenue growth. Fueling Torq's momentum is our game-changing AI SOC platform, backed by a team and culture tha

Flex is a growth-stage, NYC headquartered FinTech company that is creating the best rent payment experience. It’s hard to believe that it’s 2026 and paying rent on time is expensive, inflexible, and difficult. We’re here to change that! Flex enables our users to pay rent throughout the month on a sc

Spotify’s Audiobooks Mission is transforming how creators and listeners experience long-form storytelling. We’re building the foundation that enables audiobook content to flow seamlessly from publishers to listeners — including the systems that power ingestion, processing, and delivery across a rapi

Requirements: 4+ years of professional backend development experience. Strong hands-on experience with Node.js and TypeScript. Experience with Express.js, NestJS, or similar Node.js frameworks. Strong understanding of REST API design, middleware, validation, error handling, and API versioning. Good