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Senior Backend Software Engineer - Platform Systems Preferred location is San Francisco, CA Confidential Client - Purple Squirrel Enterprises About the Opportunity Our client is a U.S.-based technology company building high-performance Back End and distributed software platforms used in mission-critical and regulated environments. Their systems operate across complex, heterogeneous compute infrastructures where performance, scalability, and reliability are essential. Purple Squirrel is managing this search on a confidential basis and will evaluate candidates prior to submission to the client.... more ->
Backend Software Engineer - Optimization & Platform Systems Confidential Client - Purple Squirrel Enterprises About the Opportunity Our client is a U.S.-based technology company building advanced Back End software platforms that support complex, performance-critical, and regulated environments. Their systems solve large-scale computational problems where efficiency, accuracy, and reliability are essential. Purple Squirrel is managing this search on a confidential basis and will evaluate candidates prior to submission to the client. Role Overview We are seeking a Backend Software Engineer to... more ->
Full Time Experienced Preferred location is San Francisco, CA About the Opportunity Our client is a U.S.-based technology company building high-performance Back End and distributed software platforms used in mission-critical and regulated environments. Their systems operate across complex, heterogeneous compute infrastructures where performance, scalability, and reliability are essential. Purple Squirrel is managing this search on a confidential basis and will evaluate candidates prior to submission to the client. Role Overview We are seeking an experienced Senior Backend Software Engineer to... more ->
Senior Backend Software Engineer, Media Ingestion & Serving 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: The Media Foundation team is at the forefront of building the platform that powers all of Airbnb's media experiences-from the photos that help... more ->
As a Senior Backend Software Engineer at Regard, you'll play a leading role in building our products. You'll be responsible for designing and developing critical Back End services and driving them end-to-end through the full product lifecycle: ideation, planning, design, execution, deployment, and iteration. We expect our senior engineers to be true technical leaders by driving architectural decisions, mentoring teammates, and leading major projects that help set the bar for engineering excellence. You'll collaborate closely with product, design, and fellow engineers to ship high-quality... more ->
Overview As a Senior Backend Software Engineer at Regard, you will play a leading role in building our products. You'll be responsible for designing and developing critical Back End services and driving them end-to-end through the full product lifecycle: ideation, planning, design, execution, deployment, and iteration. Senior engineers are expected to be technical leaders by driving architectural decisions, mentoring teammates, and leading major projects that set the bar for engineering excellence. You will collaborate closely with product, design, and fellow engineers to ship high-quality... more ->
*IN SCHOOL OR GRADUATED WITHIN THE LAST 12 MONTHS? PLEASE VISIT FUTURE FORCE FOR OPPORTUNITIES* Salesforce has immediate opportunities for Senior Software Developers who want their lines of code to have significant and measurable positive impact for users. We pride ourselves on writing high-quality, maintainable code that strengthens the stability of the product and makes our lives easier. We embrace the hybrid model and celebrate the individual strengths of each team member while encouraging everyone on the team to grow into the best version of themselves. Responsibilities As a Backend... more ->
About Collectly Collectly is a fast-growing healthcare technology startup working to modernize the U.S. healthcare financial experience through AI-driven automation. Every day, millions of patients and providers navigate a system weighed down by inefficiencies, administrative burden, and confusing billing processes. The result is more work for provider offices and more confusion and frustration for patients. Collectly applies artificial intelligence to revenue cycle management (RCM) to automate workflows, streamline billing, and create clearer, more humane financial experiences for patients.... more ->
Our Mission and Vision Unlearn exists to transform clinical development by making every trial smarter. We harness data, AI, and digital twins to enable faster, more robust studies that bring life-saving treatments to patients faster. This mission drives everything we do as we partner with biopharmaceutical companies to redesign how clinical trials are planned, run, and analyzed. We are defining the future of clinical development with unmatched scientific credibility, replacing uncertainty with AI-powered precision so decisions are clearer and trials are stronger. We don't just disrupt the... more ->
This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers. She will pick the best candidates from Jack's network. The next step is to speak to Jack . Overview Backend Software Engineer Company Description High-growth AI startup What you will do Architect and deploy scalable Back End platform systems to support large-scale data processing and organizational insights Develop and optimize LLM agents using agentic frameworks and RAG to enhance the platform's contextual understanding Take full ownership of features in an early-stage environment, moving quickly... more ->
About us Scribe is where exceptional people come to do the best work of their careers. More than 94% of the Fortune 500 use Scribe to ensure work gets done right, and see how to do it even better. Our Workflow AI platform automatically captures and optimizes workflows so teams work smarter, faster, and more consistently. We're growing fast - since our founding in 2019, we've grown to over 5 million users across 600,000 businesses. Based in San Francisco, we\u2019ve been named a LinkedIn Top Startup, are valued at over $1 billion, and are backed by leading investors. Join us in our mission to... more ->
Job title: Junior Backend Software Engineer | Client: Voxel | Location: San Francisco, California, United States | On-Site | Contract type: Full-time, permanent | Contract duration: | Salary: About The Role Industrial labor is incredibly dangerous work-almost 3 million people in the US per year are injured in the workplace for entirely preventable and at times, fatal or debilitating causes. Protecting these essential people who power our world is what motivates the team at Voxel. Voxel is a fast-growing AI company revolutionizing workplace safety and operations with a full-stack AI and... more ->
About Clay Our mission is to help organizations turn any growth idea into reality. We see growth as a creative practice, not a formula. Finding and reaching your best-fit customers takes unique ideas and constant iteration. As AI makes execution faster and tactics easier to copy, creativity is the only lasting advantage. We're already helping thousands of customers - including Anthropic, Waste Management, Figma, and Ramp - go to market with unique data, signals, and AI research. In 2025, we crossed $100M in revenue and raised a $100M Series C at a $3.1B valuation, backed by world-class... more ->