Software Engineer (San Francisco)

Join to apply for the Software Engineer role at Chestnut (YC X25) Base pay range $125,000.00/yr - $300,000.00/yr This range is provided by Chestnut (YC X25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Overview Chestnut is hiring a Software Engineer to help Americans save billions of dollars per year. Chestnut is the first AI mortgage lender. Our AI agents automate the mortgage process and save consumers 0.5% in interest. Founder Spencer Brown’s last startup built software used by a top-10 mortgage lender to power $85B of loan volume and all aspects of loan processing. Chestnut is licensed in Texas and Colorado where we offer several different types of home loans. We’re backed by Y Combinator, Olive Tree Capital (Uber, Postmates, Ramp), and other world-class investors. The company was founded in January 2025 and recently completed YC X25. What to Expect To start, you’ll help build automated mortgage brokering. Later you could become the product owner for brokering and/or an engineering leader. Some Of Your First Initiatives Will Include Quickly ramping on mortgage. ☎️ Qualifying more leads by extending our AI voice agent. Boosting our close rate with beautiful rate quotes. Automating loan processing with browser agents and automated underwriting. Helping define Chestnut’s culture by writing, recruiting, and role modeling. Our tech stack consists of TypeScript, React, Node, GraphQL, Apollo, Prisma, Render, Postgres, Redis, Retell, Google Gemini, OpenAI, and more. Skills and Background Required ⚡️ Hunger for high-focus, high-growth work. ↕️ Ability to build robust full-stack solutions. ️ Excellent communication skills. 5 years experience in full-time engineering/engineering management roles. Great Production use of LLMs and other modern AI tools. History of hacking on side projects. Interest in people management/mentoring. Experience working with sensitive data (finance, biotech, etc.). Desire to found your own company some day. We will do everything we can to help! Logistics We work in-person. Our office in Dogpatch (SF) has 16’ ceilings, giant windows, and tons of sunlight. We’re less than 5 mins away from Dogpatch Boulders and multiple coffee shops, bakeries, and breweries. Compensation And Benefits Compensation: $125k-$200k cash and 0.5%-3% equity depending on your qualifications and preferences. Benefits: Healthcare, vision, dental, meals, gym, commute costs, laptop, and custom workstation. Seniority level Mid-Senior level Employment type Full-time Job function Engineering and Information Technology Referrals increase your chances of interviewing at Chestnut (YC X25) by 2x Get notified about new Software Engineer jobs in San Francisco, CA . We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. J-18808-Ljbffr

Principal / Distinguished Engineer - Distributed Systems, Graph Databases, and Planet-Scale AI [] (Laguna Beach)

Principal / Distinguished Engineer - Distributed Systems, Graph Databases, and Planet-Scale AI Infrastructure Mobius is creating the foundational infrastructure for the next generation of AI economies—systems where intelligence, data, and capital interoperate through verifiable, lawful computation. We’re seeking a hands‑on Distinguished Engineer to architect, build, and scale the distributed computing backbone that supports real‑time, AI‑driven decisioning and neuro‑symbolic reasoning at planetary scale. You will lead architecture for microservices, graph databases, and distributed computation, building the substrate upon which AI ecosystems, autonomous agents, and digital marketplaces operate. Responsibilities Design and evolve a planet‑scale microservices fabric supporting low‑latency, high‑consistency workloads across multi‑cloud and sovereign infrastructures. Define the knowledge and event graph architecture integrating structured, semi‑structured, and streaming data for real‑time AI reasoning. Develop architectural patterns that enable autonomous AI systems to collaborate and self‑orchestrate safely. Implement global replication, partitioning, and failover strategies balancing CAP, PACELC, and ethical‑compliance constraints. Engineer scalable, low‑latency graph and vector databases optimized for AI reasoning and contextual retrieval. Build real‑time pipelines that fuse symbolic and statistical models—neuro‑symbolic AI—into continuously learning, explainable systems. Architect hybrid transactional‑analytical (HTAP) layers for streaming inference and knowledge updating. Embed observability, lineage, and auditability into every data flow to support transparent and trustworthy AI operation. Scalability, Performance, and Reliability Create self‑healing, auto‑scaling distributed systems capable of 24×7 uptime across continents. Use consensus protocols (RAFT, CRDTs, Paxos, vector clocks) and streaming frameworks (Kafka, Pulsar, Flink) to maintain data integrity at exabyte scale. Lead performance tuning, resource optimization, and telemetry‑driven capacity planning for compute‑ and data‑intensive AI workloads. Engineering Leadership Mentor senior engineers across infrastructure, data systems, and AI integration. Establish gold standards for DevSecOps automation, infrastructure‑as‑code, and continuous deployment across hundreds of interdependent services. Collaborate with AI research teams to translate algorithmic prototypes into robust, distributed production environments. Candidate Pedigree 12–18 years of experience designing and scaling distributed systems in top‑tier technology organizations (cloud hyperscalers, leading AI labs, or equivalent). Recognized as a Principal, Distinguished, or Chief Engineer with architectural ownership of global‑scale systems or data platforms. Advanced degree (Master’s or PhD) in Computer Science, Electrical Engineering, or Applied Mathematics from a leading institution. Deep proficiency in multiple languages (Go, Rust, C++, Scala/Java, Python) and familiarity with modern distributed frameworks. Demonstrated contributions to open‑source, patents, or published research in distributed databases, graph reasoning, or AI infrastructure. Exceptional ability to bridge systems engineering, data science, and product strategy in service of next‑generation AI economies. Operate comfortably at the intersection of AI research, distributed systems, and product design. Demonstrated history of end‑to‑end ownership—from whiteboard architecture to deployed, scaled, and monitored systems. Strong communication skills, ability to influence senior leadership, and passion for mentoring other architects. Commitment to building technology that advances both capability and integrity in the emerging AI‑driven economy. Why Join This is an opportunity to architect the computational backbone of lawful intelligence—software that will underpin global‑scale AI collaboration, digital governance, and the economy of the 21st century. You will work at the confluence of distributed systems, advanced databases, and AI research, shaping how humanity and intelligent systems share information and value. Seniority level Mid‑Senior level Employment type Full‑time Job function Engineering and Information Technology J-18808-Ljbffr

Senior DevOps/Backend GenAI Software Engineer (773 (Palo Alto)

Join to apply for the Senior Backend GenAI Software Engineer 773 role at TM2 Group, LLC 4 days ago Be among the first 25 applicants This range is provided by TM2 Group, LLC. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more. Base pay range $209,100.00/yr - $234,100.00/yr At Protegrity, we lead innovation by using AI and quantum-resistant cryptography to transform data protection across cloud-native, hybrid, on-premises, and open source environments. We leverage advanced cryptographic methods such as tokenization, format-preserving encryption, and quantum-resilient techniques to protect sensitive data. As a global leader in data security, our mission is to ensure that data isn’t just valuable but also usable, trusted, and safe. Protegrity offers the opportunity to work at the intersection of innovation and collaboration, with the ability to make a meaningful impact on the industry while working alongside some of the brightest minds. Together, we are redefining how the world safeguards data, enabling organizations to thrive in a GenAI era where data is the ultimate currency. If you're ready to shape the future of data security, Protegrity is the place for you. If you are a driven and curious senior software engineer with strong experience in backend API and micro-services, Generative AI (GenAI) and Large Language Models (LLMs), complemented by a strong commitment to data security, privacy, and safety - We Want You! Your role will primarily focus on designing, building, and maintaining software engineering solutions for products that enable the safe and secure consumption of GenAI by our customers. Responsibilities As a key technical leader, you will collaborate closely with other software engineers, product teams, AI researchers, and security specialists to deliver enterprise-grade software products and features for safe, secure, and private consumption of GenAI. Design and develop high-quality, scalable software products supporting our customer’s security, safety, and privacy of GenAI and LLM-based systems with advanced guardrail capabilities. Integrate GenAI systems including LLM, VectorDB, RAG pipelines, agents, and guardrails into the delivery of our product features on Kubernetes based architectures. Develop state of the art guardrails and systems leveraging agent workflows and tooling to support safety and security of GenAI. Develop, test, and maintain robust container based and microservice API architectures. Monitor, debug, and troubleshoot production issues. Participate in code reviews and contribute to team best practices. Stay at the forefront of industry trends in GenAI tooling, cloud-native solutions, and software development practices, applying insights to improve product capabilities. Collaborate with AI researchers and product teams to integrate advanced GenAI and LLM capabilities into production-grade software systems. Evaluate and integrate open-source tools and third-party platforms to accelerate product development. Requirements 12 years of experience in backend software engineering with expertise in GenAI and LLM, and a focus on scaling GenAI solutions. Expertise developing and maintaining GenAI workflows including fine-tuning LLMs, embedding and vector databases, RAG workflows, and prompt engineering techniques. Experience developing and scaling cloud solutions using APIs, containers and microservice architectures with Kubernetes, Docker, Helm, etc. Experience with integrating software products using authentication and authorization including cloud IAM, SSO, JWT, oAuth, etc. Strong programming skills in Python with experience in cloud environments (e.g., AWS, Google Cloud, Azure). Experience with large-scale unstructured data processing, including NLP, computer vision, or multimodal AI applications. Familiarity with version control tools, CI/CD pipelines and DevOps practices. Solid understanding of software development best practices, including Agile methodologies. Key Personal Attributes Exceptional problem-solving skills, with a focus on secure AI system development. A collaborative mindset to work effectively in cross-functional environments. Strong communication skills to articulate complex AI concepts to diverse audiences, including executives and customers. A commitment to continuous learning and a passion for emerging AI security technologies. Intellectual curiosity with a passion for solving complex AI and security challenges. Why Choose Protegrity Become a member of a leading Data Protection, Privacy and Security company during one of the best market opportunities to come along in a generation. Competitive Compensation/Total Reward Packages that include: Health Benefits (Health/Dental/Vision) Paid Time Off (PTO) 401K Annual Bonus Incentives Short and Long Term Disability Work on global projects with diverse, energetic, team members who respect each other and celebrate differences Talent First Workforce Should you accept this position, you will be required to consent to and successfully complete a background investigation. This may include, subject to local laws, verification of extended education and additional criminal and civil checks. We offer a competitive salary and comprehensive benefits with generous vacation and holiday time off. All employees are also provided access to ongoing learning & development. Ensuring a diverse and inclusive workplace is our priority. We are committed to an environment of acceptance where you are free to bring your full self to work. All qualified applicants and current employees will not be discriminated against on the basis of race, color, religion, sex, sexual orientation, gender identity, age, national origin, disability or veteran status. Please reference Section 12: Supplemental Notice for Job Applicants in our Privacy Policy to inform you of the categories of personal information that we collect from individuals who inquire about and/or apply to work for Protegrity USA, Inc., or its parent company, subsidiaries or affiliates, and the purposes for which we use such personal information. Compensation Range: $209.1K - $234.1K J-18808-Ljbffr

Vice President Regulatory Affairs (San Francisco)

About the Company Our client is an early‑stage, biotech operating in stealth mode. This is a rare opportunity to join at the ground floor and shape both the regulatory function and broader development strategy. The Role We're looking for a Head of Regulatory Affairs (VP/SVP) who can build the regulatory organization from scratch, set strategy, and operate with urgency and clarity. This person should be equal parts builder, strategist, and hands‑on leader. Someone who can run alongside a growing team and lead a pack of high performers in a fast‑moving environment. Key Responsibilities Own global regulatory strategy across early development, with initial focus on preparing and filing INDs Build and scale the regulatory function, including hiring, vendor oversight, and establishing systems, processes, and infrastructure Partner cross‑functionally with Clinical Development, CMC, Nonclinical, and executive leadership to align development milestones and regulatory pathways Lead interactions with FDA and other health authorities; prepare briefing packages and orchestrate agency meetings Drive submission planning and execution for IND, amendments, and future clinical/marketing applications Provide guidance on regulatory risks, timelines, and decision‑making across the portfolio Ensure compliance and maintain a culture of quality from day one What We're Looking For 15 years of regulatory affairs experience within biotech/pharma Demonstrated success leading IND filings and early‑phase regulatory strategy Experience building regulatory capabilities from the ground up (team, systems, processes) Strong background in oncology; biologics experience is highly preferred Proven ability to lead, influence, and operate in a resource‑lean, fast‑paced startup environment Comfortable being both strategic and execution‑focused. Roll your sleeves up, builder mentality Why Join Foundational leadership role in a company entering an exciting phase of growth High impact, high visibility, directly shaping development strategy and organizational build Opportunity to work with a strong scientific and clinical leadership team Competitive compensation, equity, and the ability to create something meaningful from day one J-18808-Ljbffr