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 Jack & Jill
$144k - $180k
...labeling, and evaluation pipelinesArchitect a deterministic secondary perception system with radar as a primary modalityMentor junior engineers on radar perception best practicesYou haveBachelor's or Master's degree in Computer Science, Robotics, Electrical Engineering, or...Senior- ...th in North AmericaQuartz ranked us the #1 best company for remote workersResponsibilitiesWe're looking for an exceptional Senior Software Engineer to help build the distributed backend that powers our AI agent platform and the developer-facing products around it — the...SeniorRemote workFlexible hours
$195k - $250k
The OpportunityWe’re looking for a passionate and skilled Senior Software Engineer to join our fast growing engineering teams. In this role, you will be instrumental in revolutionizing healthcare billing products and systems that directly address the needs of our customers...Senior$200k - $320k
Salary$200,000-$320,000 / yearSenior Software EngineerJob Number: 26-01214 Ready for your next career move? We are looking for a Senior Software Engineer for our client in San Francisco, CA. Our client is dedicated to fostering innovation, collaboration, and professional...SeniorFull timeImmediate startVisa sponsorship$300 per month
...a high-performing team that believes in each other, come build with us at Crusoe.About This RoleWe’re looking for a Senior Streaming Software Engineer to join the Observability team within our Cloud Infrastructure organization. This team builds and operates the real-time...SeniorTemporary work$212.5k - $250k
...system of record, Carta brings together the software, services, and legal infrastructure that... ...software delivery lifecycle so Carta's engineers can do the best work of their careers.We... ...write it.The Problems You’ll SolveAs a Senior Software Engineer II on DevEx, you will:...SeniorFull time$150k - $220k
San FranciscoEngineering - Core Engineering /Full-time /On-siteAbout FinixFinix is building the global operating system for fintech, starting... ...team owns our customers’ ability to capture revenue. The Sr. Software Engineer role centers around envisioning superior technical...SeniorFull timeVisa sponsorshipFree visa- OpenAI is seeking an experienced, hands-on support leader to build and run the support and escalation motion for Rosalind and OpenAI’s life sciences customers. This role combines a builder track with frontline duties, owning complex cases, diagnosing issues, and coordinating...Senior
OpenAI
San Francisco, CA22 hours ago - ...Horowitz to Blackrock and Fidelity, and employs a team of 450 engineers and entrepreneurs. Astranis designs, builds, and operates its... ...its 153,000 sq. ft. headquarters in Northern California, USA.Senior Software Engineer - Hardware Test We are seeking a highly skilled and...SeniorPermanent employmentFlexible hours
$200k - $250k
...vision at Postman.About Fern, a Postman CompanyFern helps software companies build a world-class API experience. Our customers... ...Uber, working together in New York City.About the RoleAs a Senior Software Engineer at Fern, you’ll build APIs, scale AI infrastructure, and design...SeniorWork at officeFlexible hours3 days per week$140k - $225k
...assembling a diverse, world-class team—engineers, designers, researchers, and product minds... ...IQ’s Connectivity team is seeking a Software Engineer with deep expertise in device software... ...communicate root-cause findings to senior leadership and partners.Preferred SkillsProficiency...SeniorFull timeTemporary workLocal areaFlexible hours$166k - $201k
...strategies, and be part of a high-performing team that believes in each other, come build with us at Crusoe.About This Role:As a Senior Software Engineer on our storage team, you'll be joining our core engineering team to design, build, and optimize our next-generation cloud...SeniorTemporary work$192k - $240k
...spend management, bill pay, and travel software, Brex enables founders and finance teams... ...and support you need to grow your career.Engineering at BrexEngineering at Brex is about building... ...become leaders.What you’ll doAs a Senior Software Engineer, Infrastructure (Release...SeniorWork at officeRemote workWork from home- ...Technology team builds and supports applications used by Schwab professionals and clients to make informed investment decisions.As a Software Engineer (hands-on) for Research Technology, you’ll lead through impact—contributing code, guiding technical direction, and mentoring...SeniorFull timeWork at office
$200k - $250k
...expand into the enterprise and internationally. Our TeamAs an engineering team, we believe strongly that empathy improves our... ...variety of use cases that Peregrine serves.We’re looking for a Senior Software Engineer to join our core engineering teams. You’ll work cross...SeniorLocal area$200.7k - $250.9k
In 1965, an engineer in Scotland was given a mundane task with a tricky problem to it - banks wanted to close on Saturdays and still serve... ...-leverage work.The ideal candidateHas 7 or more years of software engineering experience, with deep technical expertise building...SeniorShift work- ...Nuna is seeking a Senior Engineer in San Francisco to own and develop meaningful products that enhance chronic disease management. You will... ...role requires at least 5 years of experience in production software development, strong backend and API skills, and a commitment...Senior
Nuna Inc
San Francisco, CA22 hours ago $170k - $240k
Senior Software Engineer - Observability and ReliabilityAbout the RoleWe are growing the engineering team and looking for engineers who have the chops to build and deliver world-class technology. You will be part of a talented team of engineers with a shared mission to...SeniorFull timeWork at office$152.5k - $205k
...flexible work environment where new ideas are encouraged and everyone is a stakeholder.What you’ll be responsible for:The Senior Software Engineer is responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world;...SeniorPermanent employmentRemote workFlexible hours$50 per hour
...performing team that believes in each other, come build with us at Crusoe.About the Role:We are seeking a highly skilled and motivated Software Engineer to join Crusoe’s Data Center Infrastructure Engineering team. This position is focused on the development of software for the...SeniorTemporary work$170k - $205k
...part of a high-performing team that believes in each other, come build with us at Crusoe.About the Role:We're looking for a Senior Software Engineer to help make Crusoe Cloud's container registry fast and reliable as the platform grows. The registry sits on the critical...SeniorFull timeTemporary work$160k - $180k
...every job gets done with a high quality experience for the user.Our Operations Technology Team is looking for an experienced Senior Software Engineer. As a senior engineer, you'll be one of the leaders of the team, helping to mentor junior engineers, proposing creative...SeniorH1bWork at officeImmediate startFlexible hours$172k - $215k
...world 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 enterprise...SeniorFull timeWork at officeLocal area$175k - $220k
...of a high-performing team that believes in each other, come build with us at Crusoe.About the Role:We are seeking seasoned Senior Software Engineers to design, build, and scale Crusoe Cloud’s next-generation identity and access control platforms. The Identity & Access...SeniorTemporary work$200k - $250k
...we expand into the enterprise and internationally. TeamAs an engineering team, we believe strongly that empathy improves our solutions.... ...variety of use cases that Peregrine serves.We're looking for a Software Engineer to join Product Experiences, the team that builds the...SeniorWork at officeLocal area- ...Snowflake is seeking a Senior Software Engineer to design and implement OTel Collector components and instrumentation libraries. You will collaborate with the OpenTelemetry community and contribute to upstream specifications, while owning the Observe Agent architecture...Senior
Snowflake Computing
San Francisco, CA22 hours ago $164k
About the roleChime's Growth Engineering team builds the member-facing experiences that move our business metrics, and we're scaling fast... ...standardsTo thrive in this role, you have5+ years developing software in a production environment at scaleProven experience with a modern...SeniorFull timeWork at officeLocal areaRemote work$216.2k - $270.25k
...and private evaluations.About Data EngineOur Generative AI Data Engine powers the world’s most advanced LLMs and generative models... ...code reviews, and process improvementsRequirements:5+ years of software engineering experience, ideally in high-growth, product-focused...SeniorFull time$172.43k - $209k
...high-impact group charged with fueling the future of Crusoe’s engineering muscle. We’re responsible for critical developer tools and... ...change to customers quickly, safely, and efficiently. As a Senior Software Engineer you will contribute to large projects to improve developer...SeniorFull timeTemporary workWork at officeLocal area$185k - $200k
...re a springboard for building and scaling payroll businesses.Engineering Culture at CheckAt Check, engineering operates as one team.... ...things forward when something is stuck.About this roleAs a Senior Software Engineer at Check, you’ll use your technical knowledge and product...SeniorFull timeTemporary workWork at officeLocal areaRemote workFlexible hoursNight shift
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- cybersecurity software engineer San Francisco, CA
- graduate software engineer San Francisco, CA
- software developer fintech San Francisco, CA
- new graduate software engineer San Francisco, CA
- senior robotics software engineer San Francisco, CA
- software engineer visa sponsorship San Francisco, CA
- software qa engineer San Francisco, CA
- network software engineer San Francisco, CA
- software engineer remote San Francisco, CA
- part time software developer San Francisco, CA