Senior Backend Engineer — AI API & Platform
$405kAnthropic
Anthropic is seeking an experienced backend engineer to enhance the Claude API systems for user experiences. You will lead complex projects, ensuring reliability and scalability while collaborating with various teams. The ideal candidate has at least 8 years of relevant experience, strong coding skills, and a background in API design and distributed systems. Compensation ranges between $405,000 and $485,000 per year, and a Bachelor's degree is required. The role involves working at least 25% on-site in California. #J-18808-Ljbffr Anthropic
$160k - $210k
Ellipsis Health is seeking a Senior Backend Engineer to design, build, and scale core systems for their conversational AI platform. Located in San Francisco, the role offers opportunities... ....js. This role involves architecting APIs, managing orchestration services, and...PlatformSeniorRemote job$220k - $405k
Perplexity is looking for experienced backend engineers to join our team specializing in building high-performance APIs. You will be responsible for designing and optimizing mission-critical APIs that power frontier intelligence for various customers. The ideal candidate...PlatformSenior- ...things they love. Fastly’s edge cloud platform enables customers to create great... ...trustworthy Internet. Come join us. Senior Backend Software Engineer (APIs), Security Products Some of the largest... ...rollout and on-call support. Use AI coding agents as part of your daily...PlatformSeniorContract workWork at officeLocal areaFlexible hoursNight shift
- Rippletide SAS is seeking a Senior Software Engineer in San Francisco to build the... ...Decision Context Graph platform. The role emphasizes performance-critical backend infrastructure and APIs, engaging with a talented team on significant AI projects. The ideal candidate...PlatformSeniorRemote job
$500 per month
...customer experience—real‑time AI agents that can understand... ...larger: to become the go‑to AI platform for all enterprise automation... .... The Role We’re looking for backend engineers to build the infrastructure and... ...in lieu of formal customer APIs Tech Stack Backend: Python (Django...PlatformSenior- ...-backed Health-Tech company in San Francisco is seeking a Senior Backend Software Engineer to design and maintain their product suite. You will play... ...should have 5-8 years of experience, particularly in cloud and API development. The role offers competitive wellness benefits...Senior
$250k
Senior Software Engineer (Python) - San Francisco, CA A fast‑growing... ...startup is building AI‑powered tooling that... ...Building AI‑powered backend workflows and distributed... ...using Docker, cloud platforms, and orchestration... ...Experience building scalable APIs and distributed...PlatformSenior- ...technology company building AI-powered tools that... ...ll Do Design and scale backend systems powering AI-driven... ...environment Improve platform performance, observability... ...professional software engineering experience Strong... ...skills with Python and API frameworks Experience working...PlatformSenior
- ...high-growth VC-backed AI company operating at the... ...complex workflows. The platform serves a large and growing... ..., build, and operate backend services that support a... ...in Computer Science, Engineering, or a related field, plus... ...Python or Go, RESTful API's, Kubernetes, PostgreSQL...PlatformSenior
$190k - $230k
Sauron Industries, Inc. is seeking a Backend Engineer to design and develop scalable systems for innovative residential security using robotics and AI. You will work on cloud services, APIs, and data pipelines, contributing to a collaborative team culture. The role requires...Senior$140k - $200k
Join to apply for the Senior Backend Engineer role at HumanSignal HumanSignal is building the platform that powers the creation, curation, and... ...of high‑quality data for AI. Our open‑source product, Label... ...scale, and deliver reliable, fast APIs and backend systems. About...PlatformSenior$150k - $245k
About The Role As a Senior Backend Engineer, you’ll design the backbone of our intelligent... ...services, resilient APIs, and thoughtful data models.... ...power agentic workflows, AI copilots, and real‑time financial... ...system behavior. Ship platform foundations, not one‑off features...PlatformSenior$210k - $240k
...to find and fix failing APIs. We are looking for a... ...oriented infrastructure engineer to help us scale our product... ..., build, and scale our backend infrastructure to... ...time. Build and maintain AI algorithms to analyze... ...dedicated engineers in the platform area for Postman...PlatformSeniorTemporary workFlexible hours$200k - $260k
...San Francisco, CA Are you a senior backend engineer who takes pride in building... ...startup at the forefront of AI infrastructure, building the... ...used LLM Gateway - a unified platform that gives developers secure... ...common attacks on LLM APIs, MCP servers, and agents, build...PlatformSenior$191.36k - $287.04k
...Sense is seeking a high-impact Senior Software Engineer in San Francisco to design... ...build scalable systems and APIs. The role involves... ...teams, requiring expertise in backend development and strong problem... ...and familiarity with cloud platforms like AWS or GCP. 6Sense offers...PlatformSenior- ...finance in an intelligent platform. We're on a mission to... .... We're looking for engineers who are excited about... ...Role We're seeking a Senior Backend Engineer to join our growing... ...in the way of work. AI Powered R&D Management... ...in data modeling and API design Collaborative...PlatformSenior
$170k - $200k
...the intelligent application of AI and machine learning to... ...ads to major brands. We build a platform that combines sophisticated media... ...Science, Product, and across engineering teams to push boundaries, shape... ...Experience developing highly available API using modern frameworks (REST,...PlatformSeniorWork at office$147k - $192k
Backend Engineer Baselayer is the intelligent business identity platform that helps verify any business, automate KYB... ...be an impeccable core/api backend engineer. Qualifications... ...a strong interest in AI/ML integration,... ...- 0.05% - 0.25% Seniority Level Mid‑Senior level...PlatformSeniorFull timeWork at officeFlexible hours3 days per week- Senior Backend Engineer Seeking a Senior Backend Engineer to architect and operate backend platform delivering scalable, high-performance insights for Fortune... ...processing pipelines to APIs serving insights. This role... ...design. Nice to Have AI/ML infrastructure experience...PlatformSeniorCasual work
- ...their preferred messaging platforms while upholding the... ...Role Reporting: VP of AI Product Location: San Fransico... ..., not just users: engineers who have stood up an agentic... .... 6+ years building backend systems or distributed... ...thread pools). Secure API design with authn/authz...PlatformSeniorWorldwideFlexible hours
- Hebbia in San Francisco is seeking a backend engineer to leverage the latest software solutions and integrate product experiences with distributed... ...5+ years in backend software development, and proficiency in API systems. The position offers a competitive salary and a...PlatformSenior
- A high-profile AI Coding Platform in San Francisco is looking for a Staff Backend Engineer. The role involves shipping elegant features and infrastructure in Golang, with... ...possess over 5 years of experience and strong API development skills. The position is full-time and...PlatformSeniorFull time
- Fountain is hiring for a backend-focused engineer to help scale our workforce management platform. You will own production-grade systems, drive architectural decisions for... ..., observability, and secure, reliable APIs used by agents and humans alike. #J-18808-Ljbffr...PlatformSeniorWorldwide
$160k - $300k
A pioneering AI company in San Francisco seeks a Senior / Staff Backend Engineer to design and build core systems for its intelligence platform. The role involves ensuring low-latency services and APIs with a focus on performance and security. Candidates should have 3-...PlatformSenior$209.1k - $234.1k
...Protegrity, we lead innovation by using AI and quantum-resistant... ...place for you. We are seeking a senior software engineer with experience in backend API development, Kubernetes‑based microservices... ...‑source tools and third‑party platforms to accelerate product development...PlatformSeniorLocal area$147k - $192k
A business identity solutions firm in San Francisco seeks a Backend Engineer. This full-time role involves API development, backend system design, and AI/ML integration, focusing on security and performance within a hybrid work environment. Candidates should possess 2-5...PlatformSeniorFull time- A pioneering AI company in San Francisco is seeking a Senior / Staff Backend Engineer to design and scale backend services that handle massive engineering data streams.... ...responsible for building low-latency services and APIs, mentoring team members, and ensuring system...PlatformSenior
$140k - $220k
David AI provided pay range This range is provided... ...,000.00/yr About Our Engineering Team: At David AI, our... ...build the pipelines, platforms, and models that... ...About This Role As a Senior Backend Engineer at David AI,... ...surfaces to design clean APIs, build scalable services...PlatformSeniorFull timeWork at officeFlexible hours$150k - $245k
Airwallex is looking for a Senior Backend Engineer in San Francisco to design scalable financial systems and develop resilient infrastructure. Candidates... ...and distributed systems. The role includes building APIs and services and collaborating closely with product teams to...PlatformSenior$114.8k - $317.2k
...Type Hybrid Department Engineering Compensation $114.8K -... ...using technology and AI. We empower personal injury... ...Team Join EvenUp’s AI Platform team, dedicated to... ...at the intersection of backend engineering, LLM integration... ..., and building RESTful APIs to industry standards...PlatformSeniorFull timeTemporary workWork at officeLocal areaHome officeFlexible hours3 days per week
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