Product Software Engineer

Why Choose Numeric?Accounting is the backbone of every business. Unfortunately, many software solutions in this field were designed in the early 2000s — cumbersome, slow, and outdated in terms of AI capabilities. Today, accountants are grappling with an escalating, unresolved data challenge stemming from complexity, data overload, and fragmented systems — leaving them without adequate tools for resolution. These challenges are significant, complex, and increasingly urgent. But they are solvable.Welcome to Numeric — the future of accounting and finance. We are developing a platform that embodies the vision of real-time, comprehensive, and reliable data and insights for organizations to enhance their decision-making and execution.Our mission addresses the foundational issues necessary for automating data ingestion, transformation, matching, projection, and reporting, creating a seamless graph of financial data. By integrating data, automation, workflows, and AI-driven experiences, we empower accounting teams to maintain a continuous view of their company’s financial health and activities.With strong product-market fit and a growing customer base that includes leaders such as Anthropic, Brex, OpenAI, Plaid, and Wealthfront, we are backed by top-tier investors including IVP, Menlo Ventures, Founders Fund, and 8VC, alongside founders and executives from Ramp, Segment, and other pioneering firms.About the RoleAs a Product Software Engineer at Numeric, you will take charge of the entire product lifecycle, directly influencing our product strategy and direction. We seek innovative, dynamic builders with robust foundational skills and a commitment to enhancing user experiences and addressing key challenges.Potential ResponsibilitiesYou may work on our advanced data platform, which includes:Ingestion processes, metadata management, lineage tracking, and transformation for thorough analysis and insights while ensuring source traceability.Our reporting tools, enabling end-users to create flexible, highly-structured financial projections that can be saved as reports and seamlessly integrated into their workflows. These reports are both traceable and composable, allowing users to delve into transaction-level details and beyond.Monitoring systems, empowering clients to identify and rectify data issues at the source and prevent errors...

About CartesiaAt Cartesia, our vision is to create the future of AI—an intelligent, interactive system that seamlessly integrates into your daily life. Today, even the most advanced models struggle to process and analyze vast streams of audio, video, and text data—1 billion text tokens, 10 billion audio tokens, and 1 trillion video tokens—especially on-device.We are at the forefront of developing the model architectures that will make these capabilities a reality. Our founding team, who met as PhD candidates at the Stanford AI Lab, pioneered State Space Models (SSMs), a novel approach for training efficient, large-scale foundational models. Our diverse team combines deep expertise in model innovation and systems engineering with a design-oriented product engineering team to create and deliver cutting-edge models and experiences.With support from leading investors such as Index Ventures, Lightspeed Venture Partners, Factory, Conviction, A Star, General Catalyst, SV Angel, Databricks, and others, along with guidance from an exceptional group of advisors and over 90 angel investors across various industries, we are well-positioned to redefine the AI landscape.About the RoleWe are seeking a passionate Product Software Engineer to join our team, focusing on building and scaling the platform infrastructure that supports Cartesia's voice AI products. In this role, you will develop composable platform components that enhance feature delivery across our API and conversational AI systems.Your ImpactDevelop and scale product platform components to facilitate Cartesia's growth.Take ownership of critical product infrastructure end-to-end, including real-time systems.Collaborate with product teams to identify common needs and create platform primitives that enhance their development speed.What You BringA minimum of 3 years of experience as a backend or platform engineer with a focus on building scalable systems.A customer-centric mindset that prioritizes outcomes over technical specifications.A proactive approach to owning your work, tackling ambiguous challenges, and achieving results.Strong decision-making skills regarding when to expedite development and when to invest in scalability.Familiarity with our technology stack: TypeScript for frontend, Python and Go for backend. Expertise in all three is not required, but a willingness to learn is essential.Nice-to-HavesExperience with AI or machine learning systems.Background in working with real-time data processing.

About UsAt Braintrust, we are pioneering the AI observability landscape. Our platform seamlessly integrates evaluations and observability into a unified workflow, providing developers with crucial insights into AI behavior in production and powerful tools for enhancement.Our clients, including renowned teams at Notion, Stripe, Zapier, Vercel, and Ramp, leverage Braintrust to benchmark models, optimize prompts, and identify regressions, transforming production data into superior AI functionality with each iteration.The OpportunityWe are in search of a motivated Product Engineer who is enthusiastic about crafting tools that users adore and rely on daily. In this role, you will engage closely with our users—developers, product managers, and designers in the AI domain—and significantly influence our product roadmap.Our platform is built on a high-performance, local-first architecture with a visualization-heavy UI, utilizing modern Typescript and React. Our clientele, comprised of some of the leading technology firms, demands a product that is exceptionally fast, reliable, and user-friendly.Your ResponsibilitiesKey responsibilities include:Guaranteeing a seamless experience for customers enabling AI observability in their systems.Contributing to the foundational UI architecture with a focus on performance and efficient data loading strategies.You will also develop user-facing components for Braintrust, such as:An exceptional prompt playground that accommodates multiple models and thousands of user inputs.A robust system for managing prompts, configurations, and version comparisons.A scalable multiplayer human review system.LLM output analysis and comparison across extensive datasets.Ideal Candidate ProfileProficient in Typescript, React, HTML, CSS, SQL, and NextJS.Experience in founding or working with startups is advantageous.Familiarity with writing prompts and experimenting with GPT models and applications.What We OfferComprehensive medical, dental, and vision coverage.Daily lunch, snacks, and beverages provided.Flexible time-off policy.Competitive salary and equity opportunities.AI stipend for continued learning and tools.Commitment to DiversityBraintrust is a staunch advocate for equal opportunity in the workplace. We believe in fostering a diverse and inclusive environment.

Join us at sfcompute as we revolutionize the landscape of infrastructure development, addressing the complexities of the largest infrastructure build-out ever undertaken.In the realm of GPU financing, where massive data centers and their supporting infrastructure are involved, the concept of 'offtake' is crucial—this means securing lease contracts before the clusters are even constructed.The risk associated with financing GPU clusters is significant, given the slim margins and vast volumes involved. Lenders seek assurance that developers can meet their financial obligations, while developers are keen to avoid the pitfalls of unsold clusters. Consequently, this risk is often transferred to customers through fixed-price long-term contracts.Without effective risk mitigation for customers, the industry faces potential collapse. Unlike traditional SaaS models, application companies are tied into long-term contracts for computational resources but operate under monthly billing to end-users. A small misstep in sales can lead to dire financial consequences. Imagine if companies had the option to exit their contracts by reselling them in a liquid market.As AI technology advances, access to compute power may increasingly be restricted to those who can shoulder substantial financial risks. A small startup in San Francisco shouldn't have to commit to a lengthy, high-value contract for supercomputers; instead, they might benefit from flexible liquidity options provided by the market.This is precisely what we are creating: a vibrant, liquid market for GPU offtake.About the RoleAs a Product Software Engineer at sfcompute, you will play a pivotal role in developing products that mitigate risks associated with this monumental infrastructure buildout.Your work will involve collaborating across teams to design and implement sophisticated yet user-friendly interfaces for:Public cloud services that provide access to billion-dollar supercomputers.Innovative computing markets and their associated financial products.Cost-effective trillion-token inference capabilities.ResponsibilitiesLead the development of new user-facing features for our public cloud platform, marketplace, and other products.Deliver outstanding user experiences through meticulous UI/UX design, utilizing frameworks like React and Next.js.Collaborate with developers from leading AI startups and research labs to transition features from concept to production, directly addressing their demands.... (additional responsibilities to be detailed).

Join Our Dynamic TeamWe are seeking talented software engineers to enhance the productivity of our Workload team. This team is responsible for maintaining the essential components of OpenAI’s training and inference frameworks, as well as executing cutting-edge experiments.About the OpportunityWe are in search of an individual who is passionate about improving the developer experience within OpenAI’s core training and inference frameworks.Your Responsibilities:Optimize development workflows for your fellow engineers.Collaborate with various Workload teams to address specific needs while working with centralized teams that manage different aspects of the development experience.Enhance iteration speed, particularly by improving the Continuous Integration (CI) processes for specific teams.Increase reliability by leading the testing strategies for various components.Tackle the diverse challenges involved in building libraries and systems that will delight our researchers.What Makes You a Great Fit:You are driven by a desire to help others and believe that exceptional teams are built by selfless contributors.You appreciate the significance of developer experience, recognizing that seamless iteration on a simple codebase is crucial.When encountering obstacles, your first instinct is to find solutions to prevent future issues, often following through with code changes.You possess a pragmatic mindset, knowing how to balance perfectionism with the need for progress.You enjoy taking projects from inception to completion, thriving in co-design scenarios where user and system understanding come together.You have a passion for working with Python.About OpenAIOpenAI is a pioneering organization at the forefront of artificial intelligence research and deployment. Our mission is to ensure that artificial general intelligence benefits all of humanity. With a commitment to safety and ethics, we are dedicated to advancing AI technology while ensuring its alignment with human values.

Role OverviewAs a Product Software Engineer at OpenEvidence, you will have the opportunity to design, develop, and deliver impactful features across web, mobile, and backend systems. Your work will directly affect nearly half of all clinical decisions and patient interactions in the United States.We seek exceptional engineers who thrive in a versatile environment. You will have the autonomy to work across various products and projects, taking ownership of the areas where you can create the most significant impact.About OpenEvidenceOpenEvidence stands as the leading medical AI platform globally. With over 40% of US clinicians utilizing our services, our growth is propelled by product-led adoption through word of mouth. As a $12 billion company, our engineering team, comprised of 30 skilled professionals from prestigious institutions such as MIT, Harvard, and Stanford, is dedicated to building revolutionary products. We believe that transformative technologies emerge from small, exceptional teams that are empowered to take ownership and move swiftly. Join us at this pivotal moment to shape the future of medical AI.Our CultureWe hold the belief that work should be approached with a world-class mindset. The journey of building from the ground up and scaling is akin to a professional sport, where excellence is the standard. We recognize that groundbreaking technologies arise from individuals taking full ownership of their work. Significant achievements occur when one is driven to make them happen.Who You AreThis role is not for those seeking a traditional 9-5 job or academic pursuits. If you are eager to dive into challenges, create from scratch, and make a tangible difference in the lives of millions while contributing to substantial revenue growth, this may be the right opportunity for you.The ideal candidate is a brilliant engineer who is smart, ambitious, resourceful, independent, detail-oriented, and driven, with a humble attitude. We understand this is a rare combination, which is why we are searching for more exceptional individuals to join our team.Work EnvironmentAll full-time engineering roles require in-person attendance five days a week in either San Francisco or Miami.

OpenAI’s networking teams design and manage high-performance systems that support the company’s training and inference infrastructure. As a Software Engineer focused on productivity, this position centers on making those teams more effective by improving the developer experience and streamlining complex workflows. Role overview This role supports engineers working on intricate infrastructure, with a focus on build systems, testing architecture, release pipelines, and overall development efficiency. The work involves optimizing how engineers build, test, validate, and deploy changes in environments that span multiple servers and interact closely with hardware. What you will do Improve development workflows for engineers building and operating networking systems at OpenAI. Design and refine pipelines for continuous deployment, release, and validation. Create and maintain test harnesses for multi-server, networked, and hardware-backed environments. Increase iteration speed across codebases, particularly in C++, Python, and environments centered on build systems. Work with engineers to identify and resolve pain points in CI, testing, debugging, and deployment processes. Lead testing and reliability strategies for infrastructure components that support large-scale training and inference workloads. Collaborate with both centralized developer experience teams and networking engineers who work directly with these systems.

About Our TeamJoin our innovative Applied AI team at OpenAI, where we responsibly deploy cutting-edge technology for global impact. We are the creators behind transformative products like ChatGPT, Plugins, DALL·E, and the APIs for GPT-4, GPT-3, embeddings, and fine-tuning. Our team also manages large-scale inference infrastructure, with exciting developments on the horizon.We are dedicated to learning from real-world deployments to maximize AI benefits while ensuring its responsible use. Prioritizing safety over unchecked growth, we directly engage with end-users through ChatGPT and empower developers via our APIs, enabling unprecedented product features.About the PositionAs a pivotal member of our Engineering Acceleration team, you will design, build, and maintain the essential systems that drive the development of ChatGPT and our APIs. This growing team offers you the opportunity to shape the strategy and vision that enhances developer productivity.Key Responsibilities:Lead the creation and implementation of tools and processes that boost engineering efficiency, minimize manual tasks, and enhance output quality.Leverage our advanced AI tools to redefine productivity standards within our engineering teams.Collaborate with internal teams to identify their workflows, challenges, and requirements, ensuring our systems effectively address their needs.Deliver innovative features and research capabilities in partnership with product engineers to establish the necessary technical groundwork.Advise engineering teams on best practices for building observable and scalable systems.Maintain responsibility for the reliability of the systems we develop, including participating in an on-call rotation for critical incident response.Ideal Candidate Profile:5+ years of engineering experience, with at least 3 years focused on developing infrastructure tools for developers.Empathetic understanding of the tools and processes that hinder engineering teams, contributing to inefficiencies or burnout.A relentless passion for learning and innovating in a fast-paced environment.

About Resolve AIAt Resolve AI, we are revolutionizing the field of software engineering by addressing the burdens of software maintenance and production troubleshooting. Our cutting-edge AI Production Engineer autonomously investigates and resolves complex system issues from start to finish.Founded by Spiros Xanthos and Mayank Agarwal, who were pivotal in developing OpenTelemetry and leading Splunk Observability, our leadership team boasts a history of two successful exits to Splunk and VMware.We have secured over $150 million in funding from prestigious investors such as Lightspeed, Greylock, Unusual Ventures, and notable individuals like Jeff Dean (Chief Scientist, Google DeepMind), Thomas Dohmke (CEO, GitHub), Matt Garman (CEO, AWS), Reid Hoffman (Founder, LinkedIn), and Fei-Fei Li (Professor, Stanford).The RoleWe are seeking AI Agent Engineers who meld robust engineering expertise with AI-driven innovation, and a steadfast commitment to enhancing customer outcomes. Your role will encompass not just delivering features but also fully grasping customer challenges and implementing solutions that tangibly enhance their experiences.The most accomplished software engineers spend considerable time determining what to build, rather than merely coding. With the emergence of tools like Claude Code and Cursor, this balance is shifting, and we believe this trend is beneficial.This position transcends traditional software engineering. It acknowledges that impactful engineering work today resides at the crossroads of advanced technical execution, deep customer understanding, and thorough evaluation of effective solutions.What You'll DoChampion customer success from start to finish. Collaborate closely with customers, design partners, and internal teams to outline technical requirements, define success metrics, and establish delivery timelines — and then take the initiative to build and launch the solutions.Develop meaningful product features. Design and implement features across the entire technology stack, focusing on addressing real-world problems encountered in production rather than abstract concepts.Seamlessly integrate with customer environments. Dive deep into understanding customer systems and ensure our solutions fit perfectly within their workflows.

Join our dynamic team at Sierra as a Software Engineer focused on product development. In this role, you will be responsible for designing and implementing high-quality software solutions that enhance user experiences and drive product success. Collaborate with cross-functional teams to gather requirements, develop specifications, and create innovative software solutions that meet the needs of our customers.

About UsAt Koah Labs, we are innovating the advertising landscape by creating an ad network designed for the next generation of AI-driven products. Our mission is to empower publishers with monetization solutions while enabling advertisers to connect with their target audience seamlessly, all without sacrificing speed, user experience, or privacy.As a compact and dynamic team based in San Francisco, our members bring diverse expertise from leading companies like X, Apple, and Meta, as well as from successful startups. Backed by top-tier investors, we are rapidly scaling with significant momentum on both the publisher and advertiser facets of our marketplace.Joining Koah means becoming part of something impactful from the outset; your code will directly influence the company's future and the ecosystem we are developing. We prioritize agility, trust, and a deep commitment to quality in our work.Our Technology StackInfrastructure: Terraform, AWS, LGTM (Loki, Grafana, Tempo, Mimir), Tailscale, CloudflareData Management: PostgreSQL, ClickHouse, Redis, Kafka, PythonCore Application Development: Ruby on Rails, React, TypeScriptSoftware Development Kits (SDKs): iOS, Android, Web, Flutter, React NativeKey ResponsibilitiesContribute to shaping the engineering organization’s foundation.Lead initiatives across the technology stack, exercising significant influence over product direction and technical design.Engage in technically challenging and fulfilling work, from optimizing matching algorithms to delivering high-quality user experiences for millions.Collaborate with cross-functional teams in data and go-to-market strategies to steer product development based on customer needs.Adopt a mindset of experimentation, continuously learning how users engage with AI-driven products and utilizing data from these insights to inform our efforts.Ideal Candidate ProfileProven experience in building and scaling production-quality systems and user experiences.Comfortable working across the technology stack, tackling unfamiliar tasks, and navigating ambiguity.Thrives in an in-person environment and values rapid feedback loops.Enjoys deconstructing problems and validating hypotheses through testing.

Join Convex and revolutionize application development!At Convex, we are dedicated to transforming the way developers construct applications. Our mission is to fundamentally reshape software development on the Internet by enabling developers to create fast, reliable, and dynamic applications without the need for backend teams. Our comprehensive full-stack app platform is meticulously designed with database, compute, and backend abstractions, allowing developers and LLMs to innovate quickly while ensuring that products remain scalable and manageable over time.About Our Team:Our team comprises engineers who have designed and built some of the most significant backends worldwide, handling exabytes of data and millions of transactions per second, while delivering desktop and mobile software to billions of devices. We are a friendly, collaborative, and passionate group that thrives on working together in our San Francisco office.Your Role:At Convex, we have a vast product surface area that includes our dashboard, insights, third-party integrations, project management, billing systems, email services, logging, and streaming, all of which are crucial to our customers’ businesses. These products need to be robust, reliable, intuitive, and enjoyable to use. We seek engineers who are passionate about creating excellent product experiences and expanding our offerings, particularly as we advance into higher markets.If you are an engineer with a keen design sensibility who values quality and is skilled at prioritization while collaborating directly with customers and business teams, you will likely be an excellent fit for our team. This role is for those who aspire to do impactful work and utilize product insights to determine the “why” and “what” of our development process, not just the “how”.Your Responsibilities Include:Designing, building, and maintaining Convex’s platforms, dashboard UI, integrations, billing, and other services.Collaborating directly with customers and leadership to define feature development plans.Developing a deep understanding of customer needs and business objectives to make informed tradeoffs and prioritize effectively.Establishing best practices and reliability standards as our team and systems grow.Contributing to a culture of excellence in product development.

Location: San Francisco, CA (Hybrid: 4 days onsite/week). Relocation assistance available.About Our Team:At OpenAI, we are at the forefront of technology, creating foundational platform software that ensures our consumer products are reliable, secure, and high-performing. Our team collaborates across various system layers, working closely with engineering partners to deliver exceptional capabilities from initial concept to final launch.Role Overview:We are looking for a passionate Systems Software Engineer to lead the design, implementation, and debugging of critical platform components and the pipelines that build and update system images. Your focus will span across operating system layers, emphasizing performance optimization, security enhancements, and in-depth system debugging to deliver production-grade systems that exceed expectations.Key Responsibilities:Design and develop robust system-level components and services within both kernel and user spaces.Configure and maintain essential OS platform services (init, services, networking, security policies) and related tools.Build and manage image and update pipelines, ensuring their reliability, reproducibility, and rollback safety.Instrument system performance through profiling and tracing; enhance CPU, memory, I/O, and energy efficiency.Oversee platform observability and reliability, including logging, crash capture, watchdogs, and diagnostics.Collaborate with cross-functional teams to define interfaces and deliver comprehensive end-to-end features.Establish and promote strong engineering practices such as code reviews, continuous integration, reproducible builds, and effective release management.Work alongside external vendors to support builds and deployments.You Will Excel in This Role If You:Have successfully launched production systems software on modern operating systems.Possess proficiency in C/C++ and a scripting language, with a strong understanding of OS internals including concurrency, memory management, filesystems, networking, and power management.Demonstrate exceptional systems debugging skills utilizing debuggers, tracers, profilers, and logs across kernel/user-space boundaries.Comprehend the configuration of platform services and interfaces, effectively translating requirements into stable, well-documented APIs.Are knowledgeable about user-space foundations including service management, IPC, networking, packaging, and automation.Have experience collaborating with external partners to deliver high-quality software solutions.

About Our TeamJoin our dedicated Quality Assurance Software Engineering team, where we prioritize the excellence and dependability of our device software. We create and uphold automated testing frameworks, hardware-in-the-loop labs, and efficient release pipelines that guarantee quality signals are reliable, facilitating swift and secure product launches. Our collaborative environment encompasses infrastructure, automation, and cross-team synergy to ensure every release adheres to the highest standards.About the PositionAs a Quality Assurance Software Engineer, you will take ownership of the automated validation process for our device software. This encompasses developing test frameworks, conducting regression testing, overseeing hardware-in-the-loop labs, and managing release gates. You will construct systems that ensure quality signals remain trustworthy, integrate them into our CI/CD processes, and streamline the execution of repeatable procedures for QA vendor technicians.We seek engineers with extensive expertise in software quality, automation, and hardware-software integration, who are passionate about building scalable and reliable validation systems.This position is located in San Francisco, CA, operating on a hybrid work model of four days in the office each week, and we provide relocation assistance to new hires.Key Responsibilities:Test Infrastructure & Frameworks: Design, implement, and maintain a cohesive test framework for device software (unit, integration, system/end-to-end), integrating adapters for GitHub/Linear/Slack and ensuring reproducible runs.CI/CD Integration & Releases: Seamlessly integrate test suites with Buildkite, enforce promotion criteria (staging/prod), automate regression filing, and publish traceable artifacts and release notes.Hardware-in-the-loop Lab Design & Orchestration: Strategically plan and establish racks, power/networking, and orchestration for device testing; facilitate automated flashing, provisioning, and telemetry capture.Automation Tooling: Create tools for API/firmware validation, result triage, log capture, and reproducible bug reports.Quality Signals, Metrics, and Flake Control: Develop dashboards and alerts for pass rates, stability, and release readiness; identify and quarantine flaky tests; lead root-cause analysis with stakeholders; and monitor DORA-style delivery metrics to ensure release health.Vendor Enablement: Draft clear procedures for QA vendor technicians, review their reports, and manage a queue for rig maintenance and repairs.Cross-Team Collaboration: Collaborate with embedded and system software teams to enhance testability and streamline processes.

About Sprinter Health:At Sprinter Health, we are dedicated to revolutionizing healthcare access by delivering services directly to patients’ homes. Our mission addresses the alarming statistic that nearly 30% of Americans forgo essential preventive and chronic care due to transportation barriers. The emergency room often becomes the first point of contact with the healthcare system, resulting in over $300 billion in unnecessary costs annually.Leveraging advanced technology akin to leading marketplace and last-mile logistics platforms, we ensure that care reaches those who need it most. To date, we have helped more than 2 million patients across 22 states, conducted over 130,000 in-home visits, and achieved an impressive 92 NPS score. Supported by over $125 million in funding from prominent investors such as a16z, General Catalyst, GV, and Accel, we continue to thrive with a strong financial runway.About the Role:We are on the hunt for an accomplished Senior Backend or Full-Stack Software Engineer with over 5 years of experience eager to create the foundational systems that enable last-mile healthcare delivery. In this role, you will engage with products that integrate logistics, enhance patient experience, ensure safety, and streamline medical operations. You will be responsible for designing and scaling backend services, managing data flows, establishing integrations, and developing in-product experiences that directly impact patient care. Your work will encompass areas from clinician routing and booking flows to medical device integration and clinical error prevention, as you take charge of complex, high-stakes systems from inception to execution. If you are passionate about utilizing coding to tackle real-world challenges and deliver transformative healthcare solutions, this is the perfect opportunity for you.Office Location:We operate as a hybrid organization based in the Bay Area, with offices in both San Francisco and Menlo Park. We value work-life balance and recognize the importance of adaptability in our work arrangements.

At C1, we are pioneering the future of security with our innovative AI-native identity security platform, designed to safeguard every type of identity—human, non-human, and artificial intelligence. Our solution harnesses the power of automation and platform-level AI, providing comprehensive access visibility and enforcing meticulous controls. Trusted by industry leaders such as DigitalOcean, Instacart, Ramp, and Zscaler, C1 delivers an intuitive, quick-to-deploy experience that empowers enterprises to manage identity efficiently.As a Software Engineer on our Product Development team, you will play a pivotal role in crafting the features, interfaces, and systems that enhance our identity governance solutions. Your work will span the entire technology stack, from backend APIs to frontend components, ensuring seamless delivery of exceptional product experiences. Collaborating closely with Product, Design, and fellow engineers, you will transform complex workflows into elegantly simple solutions, enhancing customer access management and compliance automation.This is a high-impact role where you will take ownership of shipping production-quality code, participating in technical design, and influencing the evolution of C1’s products as we scale.

About BlockitAt Blockit, we recognize that time is the most precious resource, yet the process of scheduling remains antiquated. We are innovating with AI technology to create an autonomous scheduling agent that seamlessly manages complex coordination, including time zones, group scheduling, and in-person logistics—essentially an executive assistant that operates around the clock.Unlike traditional LLM applications, Blockit pioneers the realm of multiplayer, stateful AI agents—enabling coordinated interactions among multiple users while retaining context and executing real-world actions. As more people connect their calendars, the strength of our network increases exponentially.This is the cornerstone of our platform of AI agents designed to optimize time management. Backed by Sequoia, we are a compact, agile team dedicated to rapid development and maintaining high standards. If you are passionate about contributing to groundbreaking advancements, we would love to connect.Learn more about our team and culture on our teams page.The RoleAs a Software Engineer focused on Product & Growth, you will enhance Blockit's functionalities and expand its presence in users' daily routines.This role transcends traditional growth engineering; it involves developing new capabilities for our agents, integrating with various platforms (Slack, mobile, desktop, etc.), and identifying new workflows for Blockit to support. You will oversee the complete feature development process: engaging with users, prototyping, implementing, and analyzing results. Your work will encompass frontend, backend, and agent engineering.Your ResponsibilitiesDevelop new features from concept to completion across backend, frontend, and agent integrations.Introduce new tools and functionalities to our agents to accommodate emerging workflows.Enhance and build integrations with external services including Slack, email, and calendar providers.Collaborate with design and go-to-market teams to identify user needs and pain points.Rapidly prototype, deploy, and iterate based on user feedback.Engage with a diverse codebase, interacting with a variety of systems.QualificationsA minimum of 2 years of experience in delivering production software.Versatility to navigate across the technology stack as required.Strong product sensibility: a commitment to user experience, accuracy, and clarity beyond just meeting technical specifications.Proficiency in programming languages relevant to our stack.Excellent communication skills and a collaborative mindset.

Why Choose Flux?At Flux, we are transforming the landscape of hardware development by pioneering the world's first AI Hardware Engineer. Our mission is to democratize access to cutting-edge hardware creation and transform the way electronics are designed and manufactured globally.About the RoleWe are on a quest to build the first AI Hardware Engineer, software capable of designing tangible, manufacturable electronics from simple prompts. As a Senior Software Engineer focusing on Agentic Development, you will be responsible for creating the system's intelligence, developing agentic workflows, reasoning graphs, and integrations that empower both novice and experienced engineers in their journey from concept to manufacturable hardware.This position fuses advanced web engineering with AI systems design. You will leverage TypeScript and LangGraph within the Flux web application and backend platform, embedding intelligent features directly into the design environment.Key ResponsibilitiesDevelop and implement agentic reasoning capabilities using TypeScript (LangGraph).Integrate AI functionalities into the Flux web application (React/Redux) and Chat UI.Implement telemetry and logging for monitoring runtime health, performance, and cost efficiency.Collaborate closely with product and electrical engineers to refine intelligent ECAD workflows.Conduct evaluations and translate insights into engineering decisions.Contribute to the development of agentic patterns, conventions, and best practices within the engineering organization.Required Qualifications8+ years of experience in software engineering, with at least 1 year in developing generative-AI or agentic systems.Proficient in TypeScript, React, and Node.js.Experience with LangChain, LangGraph, or similar orchestration frameworks.Proven track record in building asynchronous, distributed systems in a production environment.Experience in integrating LLM-based systems into complex user-facing web products.Strong communication skills and comfort working in a fully remote, asynchronous team setting.Previous experience in a startup or in 0→1 product development environments.Preferred QualificationsFamiliarity with retrieval systems, evaluation pipelines, or agent benchmarking.

About Sprinter Health:At Sprinter Health, we are dedicated to transforming healthcare accessibility by delivering services directly to patients' homes. Approximately 30% of patients in the U.S. forgo essential preventive or chronic care due to transportation challenges, often leading them to the emergency room as their first point of contact with the healthcare system, resulting in over $300 billion in avoidable costs annually.Leveraging cutting-edge technologies that drive leading marketplace and last-mile platforms, we prioritize delivering care where it is needed most. To date, we have successfully assisted over 2 million patients across 22 states and conducted more than 130,000 in-home visits, boasting a remarkable 92 Net Promoter Score (NPS). With a team of skilled clinicians, technologists, and operators, we have raised over $125 million from esteemed investors such as a16z, General Catalyst, GV, and Accel, ensuring a strong multi-year runway for our initiatives.About the Role:We are seeking an experienced Senior Backend or Full-Stack Software Engineer with a minimum of 5 years of experience who is eager to create the foundational systems that enable last-mile healthcare delivery. In this role, you will engage in developing products that integrate logistics, patient experience, safety, and medical operations. You will be responsible for building and scaling backend services, data flows, integrations, and product experiences that are critical to patient care. Your responsibilities will include routing clinicians, managing booking flows, integrating medical devices, and mitigating clinical errors, allowing you to manage complex, high-impact systems from inception to execution. If you are passionate about solving real-world problems through coding and delivering products that enhance healthcare access, we invite you to apply.Work Environment:As a hybrid company based in the Bay Area, we have offices in both San Francisco and Menlo Park. We value work-life balance and understand that flexibility is essential at times.