Senior Software Engineer
Jack & Jill
Senior Software Engineer (Agentic Systems) Join a pioneering research lab as a technical lead focused on building the next generation of conversational AI interfaces. You will architect and deploy production‑grade agentic systems, integrating long‑term memory and complex task management. This role is essential for creating reliable, real‑time interactive systems that bridge the gap between human communication and machine intelligence. Company Description High‑growth AI research lab Location San Francisco, USA Why this role is remarkable Lead the development of sophisticated agentic features like RAG and asynchronous task management within a high‑performance engineering culture. Join a well‑funded Series B startup backed by top‑tier global venture capital firms at the forefront of the AI wave. High‑impact opportunity to shape the future of human‑computer interaction by building systems that act with unprecedented empathy and reliability. What you will do Own the end‑to‑end development and delivery of new agentic systems, including job scheduling and autonomous memory management. Partner with cross‑functional research and product teams to design real‑time interfaces that respond to complex user inputs. Ensure the scalability and observability of production‑grade LLM systems while contributing across the full technical stack. The ideal candidate Deep expertise in Python and extensive experience building complex, production‑ready agentic systems using modern LLM frameworks. A senior engineering mindset with a proven track record of setting technical direction and shipping polished software in ambiguous environments. Strong architectural intuition and the ability to communicate complex technical concepts with clarity to both technical and non‑technical stakeholders. Next Steps Step1. Visit our website . Step2. Click 'Talk to Jack' . Step3. Talk to Jack so he can understand your experience and ambitions. Step4. Jack will make sure Jill (the AI agent working for the company) considers you for this role. Step5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction. Step6. If not, Jack will find you excellent alternatives. All for free. #J-18808-Ljbffr
- ...optimizing for both write throughput and in-memory footprint for each agent. What we’re looking for 7+ years of experience as a software engineer. Consistent record as primary individual contributor to several medium to large projects. Managed, designed and deployed...Senior
Paradigm
San Francisco, CA2 days ago $148k - $185k
...A leading transportation company in San Francisco is seeking an experienced software engineer to help innovate within their team. This role involves establishing roadmaps and architectures, writing maintainable code, and leading projects to execution. Candidates should...SeniorSupportFinity
San Francisco, CA2 days ago$170k - $230k
...Senior Software Engineer Andy B Test Job 001 – Senior Software Engineer Required experience: creating LinkedIn RSC integrations in Applicant Tracking Systems. Location San Francisco, CA Salary Ranges $170,000.00 - $230,000.00 (1 month ago) $209,500.00 - $246,500.00 (2...SeniorFull timeBullhorn Recruitment Cloud Test Company
San Francisco, CA6 hours ago- ...effectively. Become a critical member of the team that is responsible for the success of the product. Take on additional responsibility as a senior member of Valence’s team. Take the product to scale with dozens of Fortune 1000 companies and thousands of users. Restrictions...SeniorRemote work
Valence
San Francisco, CA4 days ago - ...Overview Endeavor is real-world enterprise AI. Our software is the distribution layer for powerful AI models that will build the... .... We will win. And we work really hard to win. The Role Senior Software Engineer at Endeavor, you will design and build the core systems that...Senior
endeavorai.com
San Francisco, CA5 days ago - ...We are seeking a Senior Software Engineer with deep expertise in JavaScript/TypeScript and React/Redux to join our team. The ideal candidate will have a strong understanding of Micro Frontend architecture , proven experience in integrating REST and GraphQL APIs...Senior
ECHO IT SOLUTIONS INC .
San Francisco, CA5 days ago - ...Fonzi Match Day is where full stack engineers who actually build things meet the companies worth building for. No job boards. No recruiter spam. Companies request to interview you and submit salary bids upfront. Every week, hiring managers at 100+ pre‑vetted startups in...Senior
Fonzi
San Francisco, CA4 days ago - ...The Role As a Senior SWE you’ll play a key role in engineering decisions, working closely with the founders and focus on questions such as: How can we optimize the ranking of our profile results? What new filters or data sources can we add to our search engine? How can...SeniorWork experience placement
Juicebox
San Francisco, CA5 days ago - ...to testing, and deployment. Work closely with our product and engineer teams, owning a large part of the process from problem understanding... ...technical gaps. Experience 5+ years experience as a Software Engineer or similar role. Experience in python, edge vision systems...SeniorLocal area
Industrious Ventures
San Francisco, CA3 days ago - ...training data effective Support new product lines as we expand beyond coding environments You’ll work with The founding team, a founding engineer, and a small group of engineers. You will have direct access to AI researchers at frontier labs. Tech stack Typescript, React,...SeniorRelocation package
IDLER
San Francisco, CA1 day ago $250k - $350k
...Stage Equity About the Role An early-stage startup, growing exceptionally fast with a small and talent-dense team, is hiring Senior Software Engineers to build and own core product from the ground up. The team is small, senior, and moving quickly. This is a rare chance to...Senior3 days per weekEvolve Group, Inc.
San Francisco, CA5 days ago$210k
...Overview Senior Software Engineer - Voice AI - SF (Onsite) A fast-growing AI startup building voice and communication infrastructure for enterprise financial services is looking for a hands-on Senior Software Engineer to help scale real-time AI systems powering millions...SeniorAcceler8 Talent
San Francisco, CA4 days ago- ...Senior Software Engineer | AI Healthcare Platform Startup San Francisco, CA (Onsite) | High-growth startup | Mission-driven We’re hiring a Senior Software Engineer to help build the core systems behind a fast-scaling AI healthcare platform. This is a hands‑on role where...Senior
Signify Technology
San Francisco, CA5 days ago - ...At Dynamo AI, a Senior Software Engineer will design, develop, and maintain robust, secure, and scalable infrastructure and applications. You will be instrumental in deploying our advanced machine learning models in diverse production environments, ensuring optimal performance...Senior
Dynamo AI
San Francisco, CA5 days ago - ...A fast-growing SaaS company based in San Francisco seeks a Software Engineer for its New Products team. This hybrid role requires building first-of-its-kind technology that transforms an analog industry and improves lives. Candidates should have 5-10+ years of backend...Senior
EvenUp Inc.
San Francisco, CA2 days ago $200.45k - $260.59k
...Job Summary As a Senior Software Engineer on the Pilots team within the Perception organization, you will be responsible for developing prototypes for forthcoming pilots, aligning with Hayden’s mission and long-term roadmap for business expansion. This team investigates...SeniorHayden AI
San Francisco, CA5 days ago- ...Senior Product Engineer – San Francisco Based Opportunity We’re partnering with a Series A client that is transforming accounting and finance... ...an opportunity to join a team at the forefront of AI‑driven software development and help shape the future of human‑software interaction...SeniorWork at office
Acacia Consulting
San Francisco, CA5 days ago - ...Founding Member of Technical Staff — RL Environments & Platform Engineering We're partnering with a fast-growing, well-funded AI startup... ...realistic, long-horizon, and difficult for frontier models Build software to 10–100x the quality and throughput of RL environment...Senior
Digital Waffle
San Francisco, CA5 days ago $300k
...Senior Software Engineer, AI Simulation & Agent Infrastructure Most software engineers build products. This role is about building the simulated worlds that frontier AI models learn, reason, and fail inside. You’ll join a research-driven team developing the infrastructure...SeniorTechire Ai
San Francisco, CA4 days ago- ...As a Senior Software Engineer, Infrastructure and Platform, you will design and build the core infrastructure that powers data generation, evaluation, and agentic systems. You will be responsible for the shared platforms that enable engineers and research teams to run...Senior
Key Talent Solutions LLC
San Francisco, CA5 days ago $160k - $225.9k
...SENIOR AI PRODUCT ENGINEER – AGENTIC SYSTEMS & PRODUCTION AI BAY AREA (HYBRID / 3 DAYS IN OFFICE) $160,000 – $225,900 (SENIOR) | $225,000 – $250,000 (SENIOR II) + EQUITY The Opportunity Join a high-growth team building production, autonomous AI systems for enterprise...SeniorWork at officeHarnham
San Francisco, CA5 days ago- ...What you'll do in the role: Build our Product. Own and implement software features that help to power our AI platform helping private... ...standards, architectural patterns, and review processes; mentor engineers. Co‑own our culture of practical, reliable, and test‑driven...Senior
F2
San Francisco, CA4 days ago - ...technology that helps businesses operate more efficiently, eliminating complexity and friction with seamless automation. As a Senior Software Engineer at Capably, you’ll build the systems that make enterprise AI actually work in production. You’ll design, ship, and scale...SeniorImmediate start
Capably
San Francisco, CA2 days ago - ...in the lab. Opal is building a series of new devices, that give consumers exciting new abilities. It's more than cameras. Focus: Engineer full-stack solutions with intuitive user interfaces for customers and internal teams, enabling secure, low-latency communication between...Senior
Opal Electronics
San Francisco, CA5 days ago - ...navigation with ruggedized mechanical systems to operate in environments where no other robot can. For this role, we are seeking a Senior Software Engineer who will design and architect onboard robot software to ensure performance and reliability. What we’re looking for: At...Senior
Raise Robotics
San Francisco, CA5 days ago - ...About the Role As a Senior Engineer at Magical, you'll build and own the systems powering our AI agents. You'll set technical direction for... ..., and iteration You May Be a Fit If You have 5+ years of software development experience. You’ve built and owned backend systems...SeniorWork at office
Magic Al
San Francisco, CA3 days ago - ...announcements soon. What We’re Looking For We are looking for top engineers that combine experience with intellectual horsepower.... ...designing, scaling, and maintaining robust, performant systems. A software expert first, but excited to play with a bit of hardware. Ownership...SeniorDaily paidWork at officeRelocation package
Zenos
San Francisco, CA5 days ago - ...We’re working with a Series B company building the software that helps operate satellites and space systems in real time. When something... ...need to be rerouted or optimized — their platform is what engineers use to see it, simulate it, and act on it. It’s modern software...SeniorPermanent employment
RocSearch
San Francisco, CA5 days ago - ...out of our office in SOMA. As an early engineer, you will be a true owner of your work,... ...least 4 years of professional full-time software development, including at least one 2 years... ...technical challenge (waived for very senior candidates) 45-min live-coding interview...SeniorFull timeWork at office
FLEETWORKS INC.
San Francisco, CA4 days ago - ...Overview We are partnering with a fast-growing Series D startup that is redefining how engineering teams build secure software. Their developer-first security tooling is trusted by some of the biggest names in tech and backed by top-tier investors including Sequoia, Lightspeed...Senior3 days per week
Dexian
San Francisco, CA5 days ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- ngo software engineer San Francisco, CA
- software developer San Francisco, CA
- software developer internship no experience San Francisco, CA
- junior software developer San Francisco, CA
- part time software developer remote San Francisco, CA
- financial software developer San Francisco, CA
- senior software engineer ruby on rails San Francisco, CA
- software engineer amazon San Francisco, CA
- senior software design engineer San Francisco, CA
- software engineer part time San Francisco, CA