Product Engineer — Search

Product Engineer — SearchJoin Firecrawl as a Product Engineer and take charge of our developer-focused search experience. You will bridge the gap between groundbreaking research and practical application, transforming retrieval and ranking advancements into a product that developers find indispensable. This role is unique as it combines deep technical expert…

Join our dynamic team at Arta Finance as a Senior Software Engineer, focusing on our Private Investments Platform within the Alternatives sector. In this role, you will lead the development of innovative solutions that cater to our clients' diverse investment needs.You will collaborate closely with cross-functional teams, applying your expertise in software engineering to deliver high-quality, scalable products that enhance our platform's capabilities. Your contributions will directly impact our growth and success in the private investments market.

About the RoleAt Hinge Health, we are revolutionizing digital health with our focus on evidence-based solutions designed to alleviate musculoskeletal (MSK) pain. By integrating personalized exercise therapy and virtual care, we empower individuals to effectively manage and significantly reduce chronic pain, enhancing their quality of life while minimizing healthcare expenditures. Our partnerships with employers and health plans enable us to deliver these impactful solutions broadly, enhancing organizational health and productivity.With the recent introduction of HingeSelect, we are advancing our mission by merging digital and in-person care, leading to improved outcomes and an enriched member experience. We are also enhancing our approach to member data management, prioritizing security, observability, and traceability.We seek a dedicated Backend Software Engineer who is enthusiastic about crafting outstanding user experiences through Golang and gRPC-based microservices. As part of the Accounts team, you will play a vital role in developing and refining systems that have a significant impact across the entire organization. A robust and scalable Accounts system is crucial for ensuring stability and fostering the growth of our membership base. You will collaborate closely with product managers, designers, and fellow backend engineers to create scalable, high-performance, and accessible applications.This position offers a unique chance to contribute to a high-impact product in its formative stages. You will be instrumental in establishing the technical foundations that guarantee a seamless and enjoyable experience for our users. The ideal candidate excels in cross-functional collaboration, navigates ambiguity with ease, and is deeply committed to product quality and user experience.At Hinge Health, backend engineers drive their team’s success by architecting and implementing comprehensive solutions, creating well-tested, high-performance APIs and data models. Additionally, you will be responsible for profiling systems to proactively address scaling challenges and maintaining high standards through thoughtful and constructive code reviews.We embrace a continuous deployment DevOps culture and take great pride in supporting our code in production. Our production systems are built with Golang, gRPC, AWS, Postgres, Redis, and Temporal. Our workflow follows a trunk-based CI/CD approach, and we uphold the highest security and compliance standards within the healthcare sector, including HIPAA, HITRUST, SOC 2, and CCPA.

About Ivo Inc. Ivo Inc. builds AI-powered solutions to transform legal documentation. The team has launched several industry-firsts, including: An AI agent for MS Word that edits documents autonomously (2023) A move from traditional embedding models to agentic RAG methodologies (2023) Large-scale legal fact extraction using LLMs (2024) An intelligent assistant for searching contract databases with high accuracy (2024) Clustering algorithms to categorize legal documents by origin (2025) Automatic deviation analysis to uncover hidden risks in large contract sets (2025) Integrating contracts and amendments into comprehensive time series of composite contracts (2025) Role Overview The Senior Backend Software Engineer will help scale Ivo's software to meet ambitious goals in legal tech. This role focuses on building and optimizing backend systems that support advanced AI-driven features. Main Responsibilities Develop systems to process and analyze millions of contracts reliably Design data pipelines to coordinate LLMs, data extraction, and clustering algorithms at scale Create precise search and retrieval systems for legal documents Work closely with legal experts and product teams to apply new LLM capabilities Our Mission In-house legal teams at major corporations often face heavy workloads, tight deadlines, and exhaustive contract reviews. Technology has only recently begun to address these challenges. Ivo’s mission is to use LLMs to ease the burden on legal professionals and help restore work-life balance. The platform automates tedious legal tasks and is well received by users, with an 85% trial win rate, the highest in the market. The team is committed to making a real difference in the industry. Who Thrives Here Engineers who enjoy coding and solving complex problems Location: San Francisco

Join Our MissionAt Descript, we are transforming the landscape of content creation by seamlessly integrating traditional editing techniques with cutting-edge AI technologies. Our goal is to streamline the entire process—from recording and transcribing to editing and sharing—making it faster and easier to produce high-quality content.About the Growth Engineering Team:As a vital member of our Growth Engineering team, you will collaborate with a talented group of engineers dedicated to enhancing acquisition, activation, and monetization efforts. You will take ownership of our marketing website, which serves as the primary entry point for self-service signups and facilitates enterprise sales. This role is highly collaborative, requiring close partnerships with Marketing, Brand, Design, and Go-To-Market teams to deliver an exceptional web experience.We are seeking an individual who approaches challenges with a systems-thinking mindset, possessing the architectural insight to shape our platform and the craftsmanship to deliver polished results. Your work will significantly influence sales funnels, campaign performance, and SEO, granting you the autonomy to manage projects from start to finish.

Twitch Interactive, Inc. is looking for a Senior Software Engineer to join the Enterprise Platform team in San Francisco, CA. This position centers on designing and building scalable software solutions that support a large and active user community. Role overview This role involves hands-on software development for the Enterprise Platform at Twitch. The work aims to improve user experience and support ongoing growth across the platform. Collaboration Senior Software Engineers in this team work closely with colleagues from different disciplines. Collaboration with cross-functional teams is a key part of delivering reliable, high-quality software. What you will do Design and implement scalable software features for the Enterprise Platform Work with other teams to understand requirements and deliver solutions that fit user needs Contribute to the quality and reliability of software used by a broad user base

About the Role: As a Senior Software Engineer specializing in iOS at Tools for Humanity, you will be instrumental in shaping innovative applications that empower users in the age of AI. Your expertise will contribute to building a robust ecosystem where real identities are verified, enabling safer online experiences.Key Responsibilities:Design, develop, and maintain high-quality iOS applications.Collaborate with cross-functional teams to define, design, and ship new features.Continuously discover, evaluate, and implement new technologies to maximize development efficiency.Ensure the performance, quality, and responsiveness of applications.

P-188 At Databricks, we are on a mission to revolutionize the data lifecycle—from ingestion and ETL to business intelligence and advanced machine learning. Our vision is centered around a unified platform that replaces the conventional data warehouse architecture with a cutting-edge Lakehouse model (CIDR 2021 paper). This innovative architecture aims to tackle significant challenges such as data staleness, reliability, total cost of ownership, data lock-in, and limited support for diverse use cases. A pivotal element of achieving this vision is the development of the next generation of decoupled query engines and structured storage systems that can surpass the performance of specialized data warehouses while retaining the versatility of general-purpose systems like Apache Spark™. This capability is essential for supporting a wide range of workloads, from ETL processes to complex data science applications. As a key member of this team, you will engage in one or more of the following areas to design and implement systems that set new standards in the industry: Query compilation and optimization Distributed query execution and scheduling Vectorized execution engine Data security Resource management Transaction coordination Efficient storage structures (encodings, indexes) Automatic physical data optimization

About UsAt Sierra, we are revolutionizing the way businesses create better, more human-centered customer experiences through artificial intelligence. Headquartered in the vibrant city of San Francisco, we are expanding our reach with offices in Atlanta, New York, London, France, Singapore, and Japan.Our work is rooted in core values that shape our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and Family. These principles guide our actions and commitment to excellence in everything we do.Our co-founders, Bret Taylor and Clay Bavor, bring a wealth of experience from their previous leadership roles at Salesforce, Google, and Facebook. They are dedicated to fostering innovation and creativity at Sierra.Program OverviewThe APX program is Sierra’s flagship rotational initiative designed to cultivate the next generation of AI innovators.In an era defined by AI, we recognize the importance of generalists with diverse backgrounds. Rather than confining themselves to a single engineering, product management, or business specialization, our future leaders will possess the versatility to create, launch, and distribute outstanding products.As an APX participant, you will be among the pioneers shaping this dynamic future. You will collaborate with leading global brands to develop AI agents while benefiting from extensive training and engaging rotations within our Agent Development and Core Product teams. If you’re eager to be part of one of the most significant technological advancements of our time, join us at Sierra.The APX program is open to students completing their undergraduate or Master’s degrees by June 2026.What You'll DoDevelop and launch AI agents in collaboration with Sierra’s clients within a fast-paced production environment.Contribute to the Sierra platform through coding and product design.Gain insights into building scalable AI agents that adapt through real-world applications.

Be Part of the E-Commerce Revolution with Whatnot!Whatnot is the premier live shopping platform in North America and Europe, dedicated to enabling users to buy, sell, and explore their passions. We’re transforming the landscape of e-commerce by merging community engagement with shopping and entertainment in a tailored environment. Our remote, co-located teams are driven by innovation and guided by our core values. With operational hubs across the US, UK, Germany, Ireland, and Poland, we are collectively shaping the future of online marketplaces.From fashion, beauty, electronics to collectible items like trading cards and comic books, our live auctions cater to a diverse audience.And we’re just beginning! As one of the fastest-growing marketplaces, we seek innovative, proactive problem solvers across all departments. Stay updated on our journey via our news and engineering blogs, and help us empower individuals to transform their passions into thriving businesses while fostering community through commerce. Your RoleWe are excited to welcome Android Engineers to our Growth teams, focusing on both Seller and Buyer Growth at Whatnot.The Seller Growth Engineering team is dedicated to helping sellers convert their hobbies into successful enterprises by building intuitive tools and systems for onboarding and scaling their businesses on the platform.Buyer Growth is essential for Whatnot’s top-of-funnel success, emphasizing user acquisition, activation, retention, and re-engagement. This team collaborates closely with Product, Data, Design, and Marketing to seamlessly integrate new users into our ecosystem and foster loyalty.As an Android Engineer on the Growth team, you will create and enhance mobile experiences that are foundational to both seller and buyer engagement, focusing on scalability and trust. Your contributions will directly influence how thousands of new users find, start, and thrive on Whatnot every week.Build high-quality Android features using Kotlin and Jetpack Compose that enhance seller onboarding, verification, and incentive processes.Work collaboratively with product, design, and backend teams to establish goals, define project scopes, and navigate technical challenges.Collaborate with data science teams to design and analyze experiments that inform product decisions.

Join Our Team at Triumph ArcadeTriumph Arcade revolutionizes mobile gaming by enabling players to wager and win real money while enjoying mass multiplayer games and social tournaments. We proudly offer the leading app in our category on the App Store, and we've experienced remarkable month-over-month growth in both revenue and active users. As we continue to scale rapidly, we are excited to innovate and launch new products like Rips, our successful collectibles app, which is expanding its reach. And this is just the beginning!Backed by top-tier consumer venture capitalists such as Goodwater Capital, General Catalyst, and DraftKings Drive Fund, Triumph Arcade is poised for growth.

Join Retell AI as a Senior Full Stack Software EngineerAt Retell AI, we are revolutionizing the call center industry with innovative voice AI technology. Our cutting-edge solutions are designed to improve communication efficiency, allowing businesses to automate sales, support, and logistics calls that once required large teams of human agents. In just 18 months, we have experienced remarkable growth, achieving $36M in annual recurring revenue with a dedicated team of 20, up from $5M at the beginning of 2025.Our goal for 2026 is to create a modern customer experience platform powered entirely by AI. We are not just automating but building intelligent AI agents that can perform the roles of frontline agents, quality assurance analysts, and managers, continuously enhancing customer interactions.We are rapidly expanding and seeking talented individuals who are ready to solve challenging technical problems, work at a fast pace, and make a significant impact in one of the fastest-growing voice AI startups.Let’s shape the future of communication together!

About Fellow: At Fellow, our mission is to empower coffee enthusiasts to brew exceptional coffee at home. We offer more than just elegantly designed kettles and grinders; we are a progressive brand rooted in innovation, community, and culture. We believe that great coffee transcends the final cup; it embodies the experience, the ritual, and the passionate individuals behind it. Our ultimate goal at Fellow is to foster a safe, inclusive, and rewarding workplace where all team members can thrive and contribute their authentic selves. We actively encourage individuals from underrepresented backgrounds to apply. Position Overview: Fellow is on the lookout for an enthusiastic Mechanical or Electrical Engineering Co-op to join our dynamic team. This position presents a fantastic opportunity to play a key role in the design and development of our renowned products while collaborating with seasoned engineers and product designers. The co-op will gain invaluable hands-on experience across different phases of the product development cycle, from initial concept through to production. This role is based in our San Francisco office. What You'll Do: Assist in the mechanical or electrical design of products, contributing throughout various stages from conception to launch. Support iterative prototyping to functionally validate concepts and aid in product-level decisions or user testing. Facilitate the development and execution of design and functional validation testing for mechanical and/or electrical components. Conduct root cause analysis on complex electromechanical hardware system failures.

Join Our Team as a Staff Software Engineer, Full-Stack - Enterprise Generative AI At Scale AI, we are revolutionizing enterprise workflows through our Scale Generative AI Platform (Scale GP), an advanced AI solution that provides APIs for knowledge retrieval, inference, evaluation, and much more. We are seeking a talented full-stack engineer, with a strong front-end focus, to develop innovative AI-powered applications that transform how businesses operate. In this dynamic role, you will collaborate on diverse projects, ranging from cutting-edge customer-facing applications to internal SaaS products. Be part of our engineering team that powers initiatives such as TIME’s Person of the Year AI experience (see it in action), showcasing how our technology impacts the media landscape. Additionally, you will enhance Scale’s GenAI Platform (SGP), a robust system enabling businesses to create and manage AI agents at scale. Whether developing interactive AI assistants or refining our core SaaS platform, your contributions will shape the future of AI in real-world applications.

Join Our Mission at Hayden AIAt Hayden AI, we strive to leverage cutting-edge computer vision technology to revolutionize how transit systems and government agencies tackle real-world challenges.Our innovative mobile perception system is designed to enhance transit efficiency, improve street safety, and foster a sustainable future through various applications, including bus lane enforcement and transportation optimization technologies.Your RoleAs a pivotal member of the Hayden Software Engineering team, you will help develop our next-generation Automated Bus Lane Enforcement product. You will be engaged in creating, integrating, and deploying edge-based perception models.This position is centered around C++ software engineering. You will be responsible for delivering high-quality, modern C++ (C++17/20) code that operates on embedded Linux edge devices, primarily utilizing the NVIDIA Embedded Platform.Your work will involve building and optimizing real-time CV/ML pipelines on-device, incorporating CUDA/TensorRT and efficient camera/video input/output.You will collaborate closely with Product Management to translate customer requirements into effective software solutions.Being part of a startup, you will thrive in a fast-paced, dynamic environment with evolving challenges.As we expand, your contributions will help establish a robust foundation through well-designed and thoroughly tested code that can be shared across the organization.

Join Cloudflare as a Senior Full Stack Software Engineer and be at the forefront of our mission to help build a better Internet. We are looking for talented engineers who thrive in a collaborative environment and are eager to tackle complex challenges.Your role will involve designing, developing, and optimizing applications across the full stack. You will work closely with cross-functional teams to create innovative solutions that enhance our platform's capabilities.

At Forge, we recognize that our team is our most valuable asset. As pioneers in technology within the private market, our mission is to create a brighter future for everyone. We embody this mission through our core values of boldness, accountability, and humility. Every day, we witness the significant impact of our vision, supporting the teams that are driving the greatest innovations of our era, from space exploration to artificial intelligence, and beyond.Our aim is to construct a top-tier technology infrastructure that facilitates a global private market, characterized by transparency, accessibility, and seamless transactions for companies, their employees, and investors. Through Forge, employees can liquidate their private shares, employers can provide pre-IPO liquidity as a reward for shareholders, and both individual and institutional investors can engage in the growth of private unicorns.Forge's unique global marketplace is designed to meet the increasing demand from individual and institutional investors seeking exposure to private company stocks, fostering a growing network effect.The immense interest from investors and the demand from our clients necessitate the expansion of our team to better serve the needs of more companies, teams, and innovators.Role Overview:Our software engineering team is driven by a passion for innovation and the development of scalable solutions that promote liquidity and growth in the private market. We utilize a wide array of cutting-edge technologies and consistently deliver high-quality, innovative solutions. We thrive on agility, value delivery, and uphold our values of boldness, humility, and accountability.We are on the lookout for enthusiastic engineers with a minimum of 8 years of experience in creating innovative, scalable, secure, and maintainable software solutions. The ideal candidate excels in collaborative environments, enjoys mentoring fellow engineers, and is dedicated to delivering impactful results.

Your Contribution at Lila Sciences We are on the lookout for a Principal Software Engineer with full stack proficiency to become an integral part of our software team. You will play a key role in shaping the future of our AI-powered scientific platform. This position involves designing, constructing, and fine-tuning backend systems that support intelligent, data-centric applications. Your focus will be on creating user interfaces, services, high-performance APIs, and databases while ensuring the robustness of services that merge advanced AI frameworks with intricate scientific analytics and lab workflows. Collaboration is vital as you'll work alongside ML researchers, platform engineers, and scientists to build systems capable of managing varied workloads and scaling effortlessly. This includes working with structured SQL databases, data lake houses, and vector databases. If you are enthusiastic about crafting high-performance and sophisticated systems, we would love to connect with you! Your Responsibilities UI and API Development: Create secure, high-performance, and well-documented user interfaces and APIs that integrate seamlessly with AI applications. Database Design and Management: Develop schemas and oversee diverse data systems (including SQL, NoSQL, and Vector DBs) for peak performance and scalability. Application Implementation: Spearhead the development of both front-end and backend services with an emphasis on performance, maintainability, and reliability. System Optimization: Identify and resolve system bottlenecks to ensure high availability and low-latency performance across large-scale workloads. Cloud Services and Infrastructure: Utilize AWS services, Kubernetes, and cutting-edge DevOps practices to design and deploy production-ready systems at scale. Collaborative Development: Partner with ML researchers, engineers, and scientists to weave data pipelines, APIs, and cloud infrastructure into scientific workflows.

About ApiphanyApiphany stands at the forefront of foundational AI technology for physical product development. Our mission is to empower innovators in industries such as automotive, aerospace, medtech, and energy to convert vast amounts of unstructured technical data into real-time, actionable insights. Supported by prominent investors from Markforged, Databricks, GM, and Character, we are dedicated to changing the landscape of engineering decision-making, transforming complexity into clarity for the world's leading manufacturers.Our sophisticated models are tailored to address the intricacies of engineering and manufacturing, comprehending principles of physics, design specifications, and program constraints. We are a tight-knit team of elite builders from top universities including Stanford, Berkeley, MIT, UW, and CMU, alongside industry leaders from GM, Ford, and Genesis Therapeutics. Our passion lies in revolutionizing hard-tech and collaboratively establishing a category-defining enterprise.About the RoleAs a Senior / Staff Frontend Engineer at Apiphany, you will play a crucial role in designing, building, and enhancing our state-of-the-art web application. You will be tasked with implementing high-quality UI components, developing the next generation of data visualization, ensuring optimal performance, and upholding best practices in frontend development.Your contributions will also include shaping the long-term frontend strategy, mentoring team members, and establishing engineering practices that will support the company's growth. You will work closely with design, backend, and machine learning engineers to transform massive data streams into intuitive and actionable insights for users, ensuring a seamless experience.

Wonderschool creates software that helps small business owners, especially in childcare, grow their businesses. The company is expanding into new sectors, bringing technology to markets that are ready for change. AI is central to Wonderschool’s work, with OpenClaw agents supporting outreach, customer engagement, enrollment, and compliance. The vision is to let non-engineers set up automations and workflows directly from Slack, without needing to write code. Long term, the aim is for AI agents to autonomously build products. The team values quick iteration and focuses on results. Engineers here want their work to have a direct, visible impact. Role overview This Full Stack Software Engineer - Applied AI role centers on building and refining AI-driven systems, supporting internal teams, and delivering features across the stack. The position is based in San Francisco. What you will do Review code generated by AI tools such as Claude Code and Codex, providing feedback to improve agent performance. Design and document codebases for clarity, update data models, and remove outdated patterns to streamline agent development. Develop and manage the automated product pipeline, including signal detection, AI-generated requirements, and code review workflows. Troubleshoot and resolve production issues with AI agents. Create infrastructure and tools so operations, sales, and customer success teams can manage the platform independently. Translate internal needs into automated, reliable systems. Guide non-engineers in understanding and using new solutions. Build features across the stack using React and TypeScript on the front end, Node.js or Elixir on the back end, and Postgres for data storage. Own the product lifecycle from requirements through deployment. Diagnose and fix issues across the stack. Location This role is based in San Francisco.