Senior Software Engineer, Backend
About Us: Perpay is a certified B Corp and Philadelphia’s most impactful growth-stage startup. We are driven by a mission to significantly improve the financial stability of everyday Americans. For the past decade, we have established strong product-market fit and a profitable, efficient operating model across a suite of products, positioning Perpay as the premier financial partner for consumers with subprime credit. With over 500,000 customers who have utilized more than $1 billion in spending…
Senior Software Engineer - Backend
About us: Ether.fi is one of the largest crypto companies in the world. We have over $10B in assets under management and a team of 30 almost all technical staff. We’ve been profitable day one and are focusing on building real consumer applications. The future we envisage is true on-chain banking. Our current products; Stake, Liquid, and Cash enable users to earn yield in a variety of DeFi strategies, and spend their assets in the real world with our credit cards. You can view public analytics o…
Member of Technical Staff, Backend
Join us and help shape the future of AI by defining the narrative around document understanding. About the Role LlamaIndex's backend application platform team is hiring for an experienced (4 years) backend engineer excited to build new features and scale out our ingestion and AI systems! LlamaIndex is backed by Greylock and has grow significantly in the last year from a combination of open source and private enterprise interest. Our teams and positions offer terrific growth and ownership opport…
Senior Software Engineer, Backend
Why Auctor Auctor is building the AI layer for professional services and software implementation. Think of us as the brain behind the best solution engineers, forward-deployed engineers, and onboarding teams— automating the documentation, the discovery, and the decision-making that powers $400B in services work. We’re going after one of the biggest software categories of the decade. Role Overview As a Backend Software Engineer at Auctor, you will own and lead engineering projects across our sof…
Senior Backend Software Engineer
Company Description Today, when you go to your doctor and get referred to a specialist, your doctor sends out a referral and tells you, “They’ll be in touch soon.” So you wait. And wait. Sometimes days, weeks, or even months. Why? Because too often providers are overwhelmed with the painstakingly tedious work required to get paid by insurance companies. Powered by proprietary models, Tennr handles the complex paperwork that gets patients through the door and providers paid, helping operators ge…
Software Engineer I, Backend
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 people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility …
Software Engineer III - Backend
About Us Fluxergy is a rapidly growing in vitro diagnostics company innovating on the cutting-edge of laboratory testing. We’re developing the first and only multi-modal point-of-care platform that enables molecular, clinical chemistry, immunoassay, and hematology testing on the same system. Our platform spans many markets including the clinical, veterinary, and food safety industries. We are seeking self-motivated problem solvers who are excited to help decentralize traditional laboratory infr…
Sr/Staff Engineer - Backend
About The Role We’re looking for a seasoned Senior/Staff Backend Engineer to join the Finance Pod, which builds and maintains the complex systems that power advisor payments at Fora. This pod owns the end-to-end advisor payment system and experience (covering booking data ingestion, commission collection, and payouts), and is expanding quickly into new fintech and payment products. In this role, you’ll design and implement scalable systems that ensure payouts are fast, accurate, and transparent…
Senior / Staff Backend Engineer
About Apiphany Apiphany is a pioneering foundational AI company for physical product development. We empower global innovators in automotive, aerospace, medtech, and energy to transform mountains of unstructured technical data into real-time, actionable insights. Backed by world-class investors from Markforged, Databricks, GM, and Character, our mission is to revolutionize how engineering decisions are made, turning complexity into clarity for the world’s top manufacturers. Our models are built…
Member of Technical Staff (Backend)
About us ATG (Autonomous Technologies Group) is an AI lab deploying frontier reasoning systems within financial markets. Founders: Early GPU cloud (9 figure exit). Investors: Garry Tan / YC Founder of one of the most successful quant funds, BoxGroup (Plaid, Ramp, Stripe), top-tier angels. About the Role You’ll architect, build, and maintain the distributed systems, APIs, and backend infrastructure that power world-class AI research and deployment. Your work will enable rapid experimentation, r…
Staff Software Engineer, Backend
Sound is hiring a Staff Backend Engineer to help shape the future of a new music economy that values artists and their music while connecting fans more closely to the music they love. As Staff Backend Engineer, you will lead technical direction for our engineering team while contributing as an individual contributor to our code base. You will architect and drive new projects, design and implement API layers, and improve our performance and reliability as we rapidly scale our product and organiz…
Senior Backend Software Engineer
Who we are In the past, to be a successful restaurateur, you simply had to have a passion for food and a passion for people - but to succeed as a digital restaurateur you also need to have a passion for technology. We believe in the joy of serving others, and that's why we created Otter – to help restaurateurs succeed in online food delivery. Restaurants around the world, both large and small, including Chick-fil-A, Ben & Jerry’s, KFC, and Eataly trust our software to power their delivery busin…
Backend Engineer, Flag Delivery
About the Job: LaunchDarkly is hiring a Backend Software Engineer to join our Flag Delivery team. Serving data to our customers is the core of our product and we’re expanding the team to add bandwidth and energy. The team is very senior, and this role is for someone eager to learn and grow as the team balances modernization with resilience and operational improvements. In this role, you’ll build and improve backend services that sit directly on LaunchDarkly’s critical delivery path, partner clo…
Staff Software Engineer – Backend
Location: Remote-friendly. Preference for SF Bay Area, Los Angeles, NYC, or Pacific Northwest. About Sleeper Sleeper is on a mission to connect people over sports through games and community. As one of the fastest-growing platforms in the fantasy sports and real-money gaming space, we’re redefining how sports fans engage—whether it’s through season-long leagues, pick’em contests, or real-time interactions with friends. Our team is lean, passionate, and product-driven. We obsess over user experi…
Senior Software Engineer, Backend
At AmaWaterways, we believe meaningful careers begin with purpose, passion and a shared commitment to delivering unforgettable experiences. For those who value curiosity, connection and personal enrichment, AmaWaterways offers the opportunity to help craft meaningful river journeys that invite travelers to follow their own current. Built on a foundation of heartfelt hospitality, we treat our guests—and each other—with genuine care, warmth and respect. AmaWaterways fosters a collaborative enviro…
Member of Technical Staff, Backend
Highlight is building a shared intelligence layer for the modern workforce. Highlight unifies context across every person and tool on your team, seamlessly bridging information silos. It evolves with your organization to proactively route knowledge and reliably automate workflows. The Role We're hiring a Member of Technical Staff to own critical backend infrastructure: the systems behind team management, permissions, LLM efficiency, and integration-driven workflows. You’ll scale our systems wit…
Senior Software Engineer, Backend
About Fubo: FuboTV Inc. is a consumer-first live TV streaming company that is defining the future of TV. Ranked among Fast Company’s Most Innovative Companies (2026) and the Financial Times’ The Americas’ Fastest-Growing Companies (2026, 2025), FuboTV owns Hulu Live TV (entertainment), Fubo (sports) and Molotov (entertainment and sports), which stream in markets around the globe. Our Mission: Our mission is to deliver premium sports, news and entertainment programming through a best-in-class u…
Mid-Level Backend Engineer
Who we’re looking for Have you ever found yourself feverishly working with an Engineering team to solve a complex problemand found that after what had felt like an hour had only been 10 minutes? If so, we’re looking for hardworking and passionate engineers like yourself to join our Backend team at Fieldwire! You will be one of the engineers behind our backendfocusing with your team on your common interest in distributed backend systems, their scalability (we’re growing!), as well as their conti…
Senior Software Engineer - Backend
At Dragos, the mission is personal. The systems we protect deliver the water you drink, power your home, and keep the hospitals your community depends on running. Those critical infrastructure systems that power our civilization around the world are under attack every day by adversaries. When those systems fail, people are immediately at risk. We are the global leader in xOT cybersecurity, combining technology, threat intelligence, and expert services. The people here chose this work because th…
Software Engineer, Backend (Platform)
About the role We are looking for a Senior or Staff-level software engineer to join our Backend Platform team. Our team is responsible for building and maintaining Hex's core compute platform, which serves as the fundamental engine for all code execution, SQL querying, and data processing across the Hex application. Our platform powers everything from the core notebook interface and published applications to the complex data capabilities required by our AI agents. Our mission is twofold: to mak…