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
- ...We’re a team of AI researchers, designers, growth experts, and engineers rethinking human-computer interaction from the ground up. We... ...firms and other well-known angels. About the Role As a software engineer at Wispr, you’ll play a crucial role in building the...SeniorFull time
Wispr Flow
San Francisco, CA23 hours ago - ...our clients to accelerate transit, enhance street safety, and drive toward a sustainable future. Job Summary As a Senior Software Engineer on the Pilots team within the Perception organization, you will be responsible for developing prototypes for forthcoming...SeniorFull time
Hayden Ai
San Francisco, CA23 hours ago - ...What we do Idler builds reinforcement learning environments that teach AI models to code like 0.01% engineers. Our training environments are based on real-world coding scenarios that frontier models will actually encounter. We've closed a multimillion-dollar contract...SeniorFull timeContract workRelocation package
Idler
San Francisco, CA23 hours ago - ...decisions in real time. When benchmarked on HaluEval, the CTGT Policy Engine (paired with GPT-120B OSS) outperformed frontier models (Gemini... ...are looking for someone whose strength is the fundamentals of software engineering, applied at the level of real systems. The engineer...SeniorFull time
Ctgt
San Francisco, CA23 hours ago - ...investors, Gradient moves fast and builds full-stack systems that matter. The Opportunity Gradient is looking for a Founding Software Engineer to own how the robots move data from AI models to actuators. You will work close to the hardware — from kernel and firmware up...SeniorFull time
Rethink recruit
San Francisco, CA23 hours ago - ...that propel the future of transportation. Join us and transform your ideas into reality. We are seeking a highly skilled Senior Software Engineer to join our Integration team. In this role, you will be responsible for building robust internal tools to manage the...SeniorFull time
Bot Auto
San Francisco, CA23 hours ago $170k - $210k
...Sequoia Capital, Visa, and others. About the role The engineering team owns the delivery and stability of our product end to end... ...team owns our customers’ ability to capture revenue. The Sr. Software Engineer role centers around envisioning superior technical...SeniorFull timeFinix
San Francisco, CA23 hours ago- ...America. The Role We are looking for a full-stack product engineer. Role Responsibilities: Design, build, and maintain user... ...C brand to $75k in annual sales, started/sold ed-tech company, Senior Class President at Stanford, student representative on the Board...SeniorFull time
Daydream
San Francisco, CA23 hours ago - ...value. THE WORK: Are you a highly skilled and passionate software engineer looking for an exciting new challenge? Join Ripple and help redefine the way we send and receive payments globally! As a Senior Software Engineer, you will have the chance to develop...SeniorFull timeLocal area
Ripple
San Francisco, CA23 hours ago $120k - $180k
...-of-breed open-source components tailored to each business's unique needs. As we continue to grow, Shakudo seeks a Senior Software Engineer with strong experience in Kubernetes and systems development. In this role, you can expect to play a crucial role in building...SeniorFull timeShakudo
San Francisco, CA23 hours ago- ...have the opportunity to develop and deploy tomorrow’s hardware & software solutions and help revolutionize logistics. Responsibilities... ...testing, and deployment. Work closely with our product and engineer teams, owning a large part of the process from problem...SeniorFull timeLocal area
Kargo
San Francisco, CA23 hours ago - ...role The Compute team's mission: any engineer, using AI, should be able to stand up and... ...self-service by design. This is a software engineering role. You'll spend real time... ...that's your design failure to fix. A Senior engineer will help define the platform's...SeniorFull timeFor contractorsInternship
Persona
San Francisco, CA23 hours ago - ...participate in, and lead cross-functional projects; Develop an engineering team through mentorship and knowledge sharing.... ...Basic Qualifications: ~5+ years of relevant experience in software engineering; ~ Strong development skills in at least one programming...SeniorFull timeLocal areaImmediate start
Twitter
San Francisco, CA23 hours ago - ...Partners . Be part of shaping a future where humans and machines truly understand each other. The Role We're hiring a Senior Software Engineer to be a technical driver on Tavus's Conversational Video Interface, our multimodal real-time conversational product. It's...SeniorFull time
Tavus
San Francisco, CA23 hours ago $204k - $259k
...faces the ultimate data challenge: How do you mathematically prove that a virtual world is "real"? We are looking for a Senior Software Engineer to build the metrics and systems that grade this hybrid environment. You will work at the intersection of software...SeniorFull timeRemote workWaymo
San Francisco, CA23 hours ago- ...collaborative, and deeply focused on solving real, high-impact problems for our customers. About the Role We’re hiring a Senior Software Engineer to help build the core product experience of our AI-first tax platform. As an early hire, you'll play a pivotal role in...SeniorFull time
Marble Technology
San Francisco, CA23 hours ago - ...such as shared KYB readiness), and define a shared entitlements layer for consistent product access. We are looking for a Senior Software Engineer who is passionate about tackling complex, foundational problems and driven to design and implement robust, scalable...SeniorFull timeLocal area
Ripple
San Francisco, CA23 hours ago $213k - $263k
...accelerate the development of the Waymo Driver. We focus on transforming the Software Development Life Cycle (SDLC) through cutting-edge Generative AI and multi-agent frameworks, enabling our engineering teams to build, test, and deploy autonomous driving technology with...SeniorFull timeRemote workWaymo
San Francisco, CA23 hours ago$204k - $259k
...of the key challenges in autonomous driving: measuring and improving the quality of the software that drives the car. We are looking for experienced data-minded software engineers and data scientists to help us improve how we characterize and evaluate changes to the Onboard...SeniorFull timeRemote workWaymo
San Francisco, CA23 hours ago- ...started. About the Role: We’re looking for exceptional engineers who can operate across teams, stacks, and problem spaces, and... ...engineering. What We're Looking For: ~4+ years of professional software engineering experience. ~ Experience as a founder, or as an...SeniorFull time
Fermàt
San Francisco, CA23 hours ago - ...rigour and code quality across the Volcano codebase What You'll Bring The Toolkit ~5+ years of production front-end engineering experience, with a demonstrable track record of owning UI systems end-to-end ~ Server-side rendering expertise — deep,...SeniorFull timeWork experience placementShift work
Kong Company
San Francisco, CA23 hours ago $150k - $250k
...data across systems in real time, with zero maintenance. We make high-volume data replication simple, reliable, and scalable for engineering teams. Our platform powers mission-critical use cases including fraud and risk monitoring, inventory visibility, customer-facing...SeniorFull timeVisa sponsorshipArtie
San Francisco, CA23 hours ago- ...science behind them. We are a small team of engineers, designers, product managers, and... ...them in production. The role As a Senior Engineer, you own meaningful parts of the... ...Data org to turn requirements into working software Mentor earlier-career engineers and...SeniorFull time
Nuna
San Francisco, CA23 hours ago $150k - $300k
...Description Senior Software Engineer Location: San Francisco, CA (required 5 days/week in-office) Type: Full-Time Compensation: $150,000–$300,000 Equity: Competitive Visa: H-1B, O-1, OPT Priority: Hiring Multiple Experience: 4–8 years -...SeniorFull timeH1bWork at officeFuku
San Francisco, CA23 hours ago- ...Persista is looking for a software engineer to join our small but growing team. We’re passionate about giving you productivity super powers with technology which will help you spend more time on the things that only you can do. Persista is a venture-backed company...SeniorFull time
Persista
San Francisco, CA23 hours ago - ...product and brand. About the role We are looking for a senior Python engineer who has built security-critical product systems. You... ...for an engineer who brings strong security judgment to the software they build: someone who can move between architecture and implementation...SeniorFull time
StackAI
San Francisco, CA23 hours ago $171.5k - $250k
...About the Role: Every feature ClassDojo ships begins with an engineer. Every minute an engineer spends waiting on builds,... ...Experience Engineering exists to remove that friction. As a Senior Software Engineer, Developer Experience, you'll build the tools, workflows...SeniorRemote jobFull timeLocal areaClassdojo
San Francisco, CA23 hours ago- ...proven and the mission is to scale. What You’ll Do As a Software Engineer, 95%+ of your time will be spent coding and building. You... ...Tech Lead (Series A/B) who built core infra from scratch. - A Senior Engineer who was among the first 10 hires at a success story...SeniorFull timeWork at office
Jetbridge
San Francisco, CA23 hours ago - ...have the opportunity to develop and deploy tomorrow’s hardware & software solutions and help revolutionize logistics.... ...hardware and software. Collaborate cross-functionally with engineering and product teams to deliver production-ready solutions. Mentor...SeniorFull timeLocal area
Kargo
San Francisco, CA23 hours ago $166.6k - $250.9k
...The year is 1969. The location: Stuttgart, West Germany. Engineers are pacing with strained expressions. They are looking over the Porsche... ..., analyze tradeoffs, make critical decisions, and deliver software that works today and is sustainable for tomorrow. Champion...SeniorFull timeImmediate startMercury
San Francisco, CA23 hours ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- software engineer part time San Francisco, CA
- software developer intern San Francisco, CA
- software developer fintech San Francisco, CA
- software support engineer San Francisco, CA
- ngo software engineer San Francisco, CA
- intel software engineer San Francisco, CA
- IT software engineer San Francisco, CA
- machine learning software engineer San Francisco, CA
- senior software engineer remote San Francisco, CA
- junior software developer remote San Francisco, CA