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Experience Level
Senior
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ResponsibilitiesDesign and maintain robust backend systems that seamlessly integrate with credit card, banking, and merchant platforms to manage workflow and chargebacks. Scale and adapt backend systems for growth, ensuring high configurability and flexibility for diverse use cases. Develop and implement resilient architectural patterns for microservices. Create and maintain core frameworks and libraries for backend services, enhancing code reusability and maintainability. Lead efforts to upgrade coding practices, CI/CD pipelines, and backend programming languages to boost performance and security. Identify and execute improvements in our infrastructure and systems to optimize operational efficiency and product quality. Oversee the end-to-end development and deployment of critical features, guiding technology stack and system design decisions for effective implementation. QualificationsAt least 6 years of experience in software development, with a minimum of 2 years working with Go or Java in live production environments. Proven track record of contributing significantly to system architecture within platform teams. Strong understanding of microservices architecture and experience in designing scalable systems. Excellent problem-solving skills and ability to work collaboratively in a dynamic environment.
About the job
About Casap
Casap is an innovative Series A startup backed by over $30M in funding from renowned investors such as Emergence, Lightspeed, and Primary Ventures. Located in the vibrant tech hub of San Francisco, our team consists of experienced product leaders from industry giants like Robinhood and Chime. Our mission is to revolutionize banking operations by automating disputes and combating friendly fraud. Our solutions have garnered love and appreciation from everyday users and major financial institutions alike.
We are currently seeking skilled Backend Engineers to join our team in San Francisco, eager to enhance the banking experience with our rapidly growing product that sits at the cutting edge of automation and Artificial Intelligence.
About Casap
Casap is at the forefront of fintech innovation, aiming to transform the banking industry through advanced technology solutions. With a focus on automating complex processes and reducing fraud, we are committed to delivering high-quality services that meet the needs of modern finance.
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Search for Senior Backend Engineer At Llamaindex San Francisco
Join us in revolutionizing the AI landscape by driving advancements in document understanding.About the RoleThe backend application platform team at LlamaIndex is on the lookout for a seasoned backend engineer with over 4 years of experience. If you’re passionate about developing cutting-edge features and expanding our ingestion and AI systems, we want you! Backed by Greylock, LlamaIndex has seen remarkable growth over the past year, fueled by both open-source and enterprise interest. Our positions provide excellent opportunities for personal growth and ownership as we scale our engineering team to support our next growth phase!Responsibilities[Primary] Develop and enhance new features while scaling our backend capabilities, with a specific focus on our core APIs.Backend technology stack includes: Python, Node.js, Kubernetes, Terraform, Postgres, Temporal, and more.[Secondary] Collaborate closely with prospects and customers to create production-ready solutions.QualificationsProven experience in launching new product features from the ground up, successfully transitioning from prototype to production in a short timeframe.Experience with or enthusiasm for AI/LLM-native applications.Rapidly iterated with customers or fellow engineers to transform user feedback into actionable features, actively contributing to the product roadmap for core functionalities.Experience in deploying applications at scale.LocationWe embrace a hybrid work culture based out of our downtown San Francisco office.Why Join Us?Impactful Mission: Work on groundbreaking AI products that redefine knowledge access and utilization.Collaborative Team: Join a passionate team dedicated to pushing technological boundaries.Growth Opportunities: Be at the forefront of the AI revolution, with numerous opportunities to advance alongside our expanding organization.Additional BenefitsCompetitive base salary and equity compensation.Comprehensive medical, dental, and vision insurance for you and your family.
Join our innovative team and play a pivotal role in shaping the future of AI by crafting compelling narratives in the realm of document understanding.About the RoleWe are on the lookout for a technically proficient Machine Learning Engineer who excels at producing authentic and engaging technical content efficiently. Your extensive knowledge in document AI, coupled with strong writing skills, will be essential in creating benchmarks, publishing technical analyses, and solidifying our position as the foremost authority in document understanding.This role transcends traditional Developer Relations or Marketing. You will engage in coding, develop tangible benchmarks, conduct experiments, and swiftly translate your findings into high-quality published content, significantly accelerating awareness and adoption among developers creating the next generation of document-centric applications.ResponsibilitiesDesign, construct, and sustain extensive benchmarks for document parsing and understanding.Regularly publish high-quality technical content, including blog posts, benchmark reports, technical comparisons, and tutorials.Maintain an up-to-date understanding of the document AI landscape, including new models, research papers, competitors, and techniques.Execute experiments and translate findings into publishable content rapidly.Generate technical analyses showcasing our capabilities relative to alternatives.Contribute to open-source projects, examples, notebooks, and documentation.Collaborate closely with the core ML team to highlight significant improvements and capabilities.Engage genuinely with the developer community through technical content rather than conferences or events.Required QualificationsProven experience in software engineering, with a focus on ML engineering and research being an advantage.Solid foundation in software engineering principles and production-level experience with Python.Familiarity with modern ML techniques, particularly in computer vision, natural language processing, or multimodal learning.Ability to convey complex technical topics clearly, rapidly, and authentically through writing.A strong inclination towards delivering results quickly, comfortable publishing at a blog pace rather than an academic one.Adept at reading, comprehending, and synthesizing research papers efficiently.Proactive and self-motivated, capable of identifying significant topics to write about and executing projects end-to-end.
Join us at LlamaIndex, where we are redefining the narrative around document understanding in the AI landscape.About the RoleAs a key player in our growth, you'll help build the document infrastructure layer for AI agents, from our leading document OCR technology (LlamaParse) to our comprehensive document workflow platform (LlamaAgents). We are rapidly expanding and require a proactive recruiter who will take ownership of the entire hiring process across the organization.Your primary focus will be on technical roles, particularly in AI/ML engineering, infrastructure, full-stack development, and developer tools. Additionally, your expertise will be valuable in supporting go-to-market and marketing recruitment as the company scales. We seek an individual who thrives in the dynamic environment of sourcing, screening, and securing exceptional talent, rather than someone aiming for a purely strategic or managerial position. If you excel at utilizing AI-powered recruiting tools responsibly and can swiftly convert ambiguous hiring needs into signed offers, we want to hear from you!ResponsibilitiesTake charge of the complete recruitment lifecycle, including sourcing, outreach, screening, interview coordination, offer negotiations, and closing, with a primary focus on engineering roles and secondary support for marketing and GTM positions.Develop an in-depth understanding of LlamaIndex's products, technical infrastructure, and company culture to effectively evaluate candidate fit and maintain an accurate recruitment pipeline for both technical and non-technical roles.Identify and attract exceptional candidates for specialized roles through a combination of direct outreach, AI-driven sourcing tools (such as Juicebox and LinkedIn Recruiter), and innovative channels.Utilize AI recruiting tools judiciously and responsibly, dedicating time to fine-tune filters and meticulously review outputs to ensure quality over quantity.Foster and manage relationships with external recruiting agencies, adjusting agency support as necessary based on hiring pace.Enhance and continuously improve the candidate experience from initial contact through onboarding, ensuring every interaction embodies LlamaIndex's values and brand.Collaborate with hiring managers across engineering, product, and GTM to define role specifications, align on candidate profiles, and adapt swiftly as hiring priorities evolve.Monitor pipeline metrics, identify recruitment bottlenecks, and proactively refine sourcing strategies to achieve hiring objectives.QualificationsA strong candidate will possess a proven track record in technical recruiting, particularly within the AI and technology sectors, alongside excellent communication skills and a passion for connecting top talent with innovative opportunities.
Be a part of our mission to redefine AI by leading innovations in document comprehension.About the PositionLlamaIndex is seeking an Applied AI Solutions Architect who thrives at the nexus of enterprise sales and technical implementation. This pivotal role is integrated into our revenue efforts—transforming skeptical engineering teams into advocates and guiding promising evaluations to successful contracts.You will manage the technical relationship from initial discovery through proof of concept, collaborating closely with Account Executives on real-time opportunities with leading AI innovators. Your role extends beyond simple product demonstrations; you will diagnose critical infrastructure issues, design tailored solutions, and cultivate trust with stakeholders who will depend on the architecture long after the agreement is finalized.Key ResponsibilitiesConduct in-depth technical evaluations, proofs of concept, and solution design sessions for enterprise clients across various industries and use cases.Collaborate closely with Account Executives to mitigate deal risks, identify technical challenges early, and establish credible pathways to success.Articulate complex AI and data infrastructure concepts effectively to both engineering teams and C-level executives in the same dialogue.Design and prototype solutions utilizing LlamaIndex's platform to meet customer demands concerning accuracy, latency, cost, and scalability.Act as the voice of the customer internally, providing insights to Product and Engineering that enhance our roadmap.Desired QualificationsSolid engineering background with hands-on experience in AI/ML systems, data pipelines, or enterprise software architecture.Proven track record in customer-facing technical roles, including pre-sales, solutions engineering, or technical consulting.Ability to operate in uncertain environments: you can define a problem, make informed assumptions, and progress without waiting for complete information.Strong go-to-market instincts—understanding what it takes to build technical consensus within a buying committee.Effective and confident communicator capable of translating system design trade-offs into business risks for executives.Prior experience with LlamaIndex or LlamaCloud is not mandatory; we value your thought process and problem-solving approach.
Be a part of our journey to redefine the AI landscape by shaping the narrative around document understanding.About the RoleAt LlamaIndex, we are dedicated to transforming the way organizations leverage their knowledge through innovative AI-driven agents and tools that enhance enterprise knowledge workflows. As the Lead Product Manager, you will be instrumental in guiding the evolution of our products, ensuring they effectively address the needs of developers and enterprises alike.What We Are Looking ForIn-depth knowledge of developer tools and an understanding of developer challenges.Strong familiarity with AI and its applications in agent-based solutions.A customer-focused approach with a consultative mindset.Ability to navigate uncertainty and drive impactful results.A collaborative attitude and a passion for enabling others to succeed.ResponsibilitiesDrive Product Vision & Strategy: Define and implement the product roadmap for our key offerings, ensuring a balance between developer innovations and enterprise requirements.Lead End-to-End Execution: Manage product lifecycle from ideation to launch, rapidly iterating based on user feedback and analytics. This includes testing products personally and documenting processes as necessary.Engage with Users: Actively connect with developers and enterprise clients to identify challenges, collect feedback, and cultivate strong relationships.Define Success Metrics: Develop and monitor KPIs to assess the effectiveness of product launches and ongoing performance.Collaborate Across Teams: Work closely with engineering, design, and marketing teams to align objectives, ensure smooth delivery, and maximize product impact.Act as a Domain Expert: Build expertise in AI-driven solutions and customer workflows to inform strategic product decisions.Evangelize the Product: Represent LlamaIndex at industry conferences, webinars, and community events, showcasing our technology and gathering valuable insights.QualificationsExperienced Leader: A minimum of 4 years in product management, specifically with developer-facing tools or enterprise SaaS products.Technical Aptitude: Strong technical background with the ability to engage deeply with engineering teams.
Join us in revolutionizing the future of AI by shaping the narrative around document understanding.About the RoleWe are seeking an innovative Full-Stack Engineer dedicated to rapidly delivering AI products. If you thrive in a dynamic environment and are ready to take on diverse challenges, this role is for you. You will be responsible for developing our SaaS platform using Next.js and Python, contributing to open-source frameworks, and collaborating closely with customers to transform visionary ideas into tangible solutions. If you have experience launching AI applications that engage real users and can swiftly transition from concept to execution, we would love to connect.ResponsibilitiesLead front-end and full-stack development for our managed applications and SaaS offerings.Front-end technologies: Next.js, shadcn, react-query, etc.Back-end technologies: Python, Node.js, Kubernetes, Docker, Terraform, cloud services, databases, etc.Develop and maintain features for our open-source frameworks using Python and TypeScript.Collaborate with clients to create proof-of-concept and production-ready solutions.QualificationsMinimum 2 years of experience in full-stack development.Proven track record of launching web applications or new product features from the ground up, successfully moving from prototype to production.Experience in deploying AI/LLM-native applications, encompassing both user experience and core algorithm development.Rapidly iterate on solutions based on customer feedback, driving feature development and engaging in proactive user discovery.Experience in cross-functional teamwork, exemplifying the ability to take on product management responsibilities to scope and design features effectively.Demonstrated ability to scale applications to millions of users.Preferred: Background in machine learning and natural language processing.LocationWe foster a hybrid-friendly culture with our primary operations based in downtown San Francisco.Why Join Us?Meaningful Impact: Contribute to cutting-edge AI products that transform knowledge accessibility.Supportive Environment: Collaborate with a team of dedicated professionals who are passionate about innovation.
Join us in revolutionizing the landscape of AI by crafting compelling narratives around document understanding.About the RoleWe are on the lookout for a dynamic Mid-Market Account Executive to spearhead the entire sales cycle for businesses with fewer than 500 employees that are integrating our cutting-edge AI platform. Your mission will be to identify, cultivate, and finalize partnerships with both technical and business decision-makers in rapidly-growing companies, transforming inbound inquiries, OSS community insights, and proactive outreach into new Annual Recurring Revenue (ARR). You will collaborate closely with your manager and a diverse team to streamline sales processes and build our mid-market approach from the ground up.ResponsibilitiesLead the complete sales process — from prospecting to closing — for accounts with fewer than 500 employees.Proactively create and nurture your pipeline through outbound outreach, OSS community engagements, and partner referrals.Conduct structured discovery sessions to identify technical needs, business challenges, and decision-making criteria.Manage complex deals involving multiple stakeholders, including technical evaluators, economic buyers, and end-users.Partner with Solutions Engineers and Forward Deployed Engineers to execute focused Proofs of Concept (POCs) aligned with clear success metrics.Achieve or surpass ARR and pipeline goals consistently.Maintain thorough CRM records and provide reliable weekly forecasts.Share customer and market insights to shape messaging, product packaging, and the overall product roadmap.Represent LlamaIndex at industry events and within developer communities where potential clients engage.Required Qualifications2–5 years of experience in full-cycle SaaS sales with a proven record of meeting quotas.Demonstrated capability to independently source and develop a sales pipeline.Experience in selling to technical buyers such as engineers, data teams, or developers.Ability to navigate fast-paced decision-making environments with minimal procurement processes.Familiarity with deal qualification frameworks (MEDDIC or similar) and value-based selling techniques.Startup experience preferred: Comfortable with minimal processes, creating your own strategies, and excelling in resource-constrained settings.
Be a pivotal force in the evolution of AI by crafting the narrative around document comprehension.About the RoleWe are on the lookout for a dynamic Mid-Market Sales Manager or Director to spearhead our mid-market revenue initiatives. In this influential role, you will serve as a player-coach, guiding a team of Account Executives and Business Development Representatives (BDRs) in promoting LlamaIndex to fast-growing businesses. You will take charge of pipeline generation, deal execution, and team development, establishing a high-performance culture and building systems that transform individual contributors into a well-oiled revenue-generating machine.ResponsibilitiesRecruit, onboard, and nurture a team of 5–6 mid-market AEs and BDRs.Drive team pipeline goals, forecast accuracy, and Annual Recurring Revenue (ARR) achievement.Conduct structured deal reviews, coaching reps through discovery, qualification, and closing processes.Develop and maintain a robust outbound engine utilizing OSS community indicators, Ideal Customer Profile (ICP) segmentation, and BDR-AE collaboration.Lead a weekly operational rhythm including pipeline reviews, one-on-ones, call coaching, and forecasting discussions.Participate actively in live deals as a player-coach to unblock opportunities and enhance closing rates.Collaborate with product and engineering teams to translate technical advantages into compelling messaging for sales representatives.Provide well-structured market and customer insights to inform product development and go-to-market strategies.Represent LlamaIndex at industry events, enhancing our visibility within the developer and AI ecosystems.
About CasaAt Casa, we believe that homes are among life’s most cherished assets, yet the experience of homeownership can often be frustrating. We are on a mission to revolutionize this experience by creating a next-generation personal property management solution tailored for single-family homes, ensuring that owning a home becomes a delight.Founded by early visionaries from Uber, CloudKitchens, and Levels, Casa is proud to be supported by a remarkable group of leading venture capital firms and angel investors. Our service is already live and delivering value to paying members.About the RoleWe are seeking a pioneering Senior Backend Engineer to join our dynamic team. In this role, you will be instrumental in designing, developing, and deploying robust backend systems that provide exceptional value to our members.You will collaborate closely with our founders, fellow engineers, and designers to craft innovative and impactful products. Your contributions will be vital in shaping our core systems and defining the culture of our founding team.Key ResponsibilitiesArchitect and develop scalable, secure, and reliable backend systems.Design and implement APIs that enhance our iOS applications and other client interfaces.Optimize the performance and scalability of our services to accommodate an expanding member base and increasing data volume.Stay updated with the latest advancements in backend technologies and cloud infrastructure, integrating new methodologies as suitable.Mentor a growing engineering team through code reviews and constructive feedback to uphold high-quality standards.About YouYou are passionate about building robust systems. You possess a deep understanding of backend architecture, API design, and database management, and are eager to construct systems that can scale with our increasing member base.You are excited to be a founding engineer at an early-stage startup, ready to contribute to the structure and systems being established, while also shaping the company culture.You thrive on building. You embrace the challenges and opportunities for growth that come with joining an early-stage company, and you excel in a fast-paced, evolving environment.You think and act decisively. Your proactive mindset will contribute significantly to our mission.
Join Point as a founding Senior Backend Engineer and be part of a team creating a modern and aspirational banking experience. We are dedicated to enhancing everyday debit cards with exciting rewards and benefits, setting a new standard in banking.Discover more about Point's innovative team and dynamic culture here.
Full-time|$175K/yr - $200K/yr|On-site|San Francisco
About UsScribe is a dynamic workplace where talented individuals come together to achieve remarkable professional milestones. With over 94% of the Fortune 500 relying on Scribe to enhance their operations, our Workflow AI platform effortlessly captures and optimizes workflows, enabling teams to work smarter, faster, and with greater consistency.Since our inception in 2019, we have experienced rapid growth, amassing more than 5 million users across 600,000 businesses. Headquartered in San Francisco, we have been recognized as a LinkedIn Top Startup, valued at over $1 billion, and supported by prominent investors. Join us as we transform the way work is accomplished.Our Work CultureWe are passionate builders striving to perfect our crafts. We deeply value our colleagues and are committed to achieving success together. We adhere to the following principles:Accelerate ImpactRaise the BarEmpower Our UsersClarity is KindRapid LearningOne Team, One DreamRole OverviewWe are on the lookout for a Senior Backend Engineer to become a vital member of our Core Engineering Team, which drives some of the key functionalities at Scribe, such as document viewing and editing, content embedding and exporting, and supporting essential integrations. Millions of users depend on these workflows daily.In this position, you will take the lead on influential projects — from enhancing critical document features to developing new greenfield systems — while collaborating across the technology stack to deliver exceptional product experiences. As a backend engineer, you will deepen our systems, engage in technical discussions, and elevate the standard of engineering excellence within the team.Your ResponsibilitiesDevelop and deploy backend features within our Django monolith, covering core document workflows (viewing, editing, embeds, exports) as well as innovative greenfield projects that broaden Scribe's capabilities.Enhance performance and reliability by fine-tuning database queries, endpoints, and caching layers for critical user workflows.Collaborate with product managers, designers, and frontend engineers to create intuitive and dependable experiences at scale.Contribute to the architecture and design of our systems to improve overall efficiency and maintainability.
Join us on-site in the vibrant Dogpatch neighborhood of San Francisco as a Senior Backend Engineer.About GigaGiga, a pioneering voice AI startup, has successfully secured a $61M Series A funding and boasts an impressive roster of clients including DoorDash. We are dedicated to revolutionizing the customer experience through real-time AI agents capable of understanding emotions and resolving issues instantly, while being scalable across the globe's largest enterprises.This is a pivotal moment for our company as we aim to expand our horizons. Our ambition is to position Giga as the premier AI platform for enterprise automation, driven by our cutting-edge voice superintelligence. To realize this vision, we are seeking exceptional engineers to join our team.Our engineers are empowered to make significant impacts, influencing the daily experiences of millions. This unique opportunity allows you to work alongside visionary founders, contribute to a commercially successful venture, and help shape a generational company. Here are some highlights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by leading B2C companies around the world to manage their most complex support and operational workflows across various communication channels including voice, chat, and email. If this excites you, we encourage you to apply!The RoleWe are searching for innovative backend engineers to develop the infrastructure and systems that power our AI agents. You will engage with a variety of technologies from data pipelines and analytics to real-time agent systems, delivering features that have a direct impact on our customers' operations.This position grants you the freedom to own challenges from start to finish—identifying the optimal approach, constructing solutions, and refining them based on your findings.What You'll Work OnHere are a few key projects from our current roadmap:Analytics overhaul: Transitioning our analytics service to ClickHouse and optimizing it for the next phase of growth.Hallucination detection: Enhancing our detection systems with the aim of minimizing hallucination occurrences.Browser agent utilization: Scaling and stabilizing our systems to ensure robust performance.
Join Revi as a Senior Backend Engineer and Shape the Future of Retail! At Revi, we're revolutionizing the retail landscape by merging the physical and digital worlds. As pioneers in the emergence of Web 3.0, we are transforming brick-and-mortar experiences into seamless digital interactions. With over three decades of evolution in web technology, we are on the brink of a new era where physical stores can harness the power of the internet to create unparalleled customer experiences.Our mission is to empower businesses with a state-of-the-art in-store digital platform that fosters lasting customer relationships. Our beautifully designed self-ordering system enables consumers to buy, pay, and earn rewards effortlessly. With fresh Series A funding of $14.5 million from top-tier Silicon Valley investors, we are poised to seize a multi-billion dollar market opportunity.Why Join Us Now? This is a pivotal moment for Revi. With our AI-driven in-store platform already live with growing restaurant chains, we are experiencing strong product-market fit and customer demand for new features. This is your chance to make a significant impact on our technical direction while building on a foundation of proven success.
Senior Backend EngineerJoin LiteLLM, the leading AI Gateway trusted by industry giants including Adobe, Netflix, and NASA. Our platform empowers developers with secure and reliable access to Large Language Models (LLMs) and related services. We are currently seeking a dedicated Senior Backend Engineer to contribute to the development of robust guardrails and observability tools at scale.About The RoleIn this role, you'll take ownership of our guardrail and logging implementations. You will oversee backend code to ensure all guardrail interactions are logged accurately, user errors are communicated effectively, and that our observability tools function seamlessly under high traffic conditions. Your meticulous attention to detail regarding latency metrics, logging traceability, and backend guardrail registration will significantly bolster user confidence in our security and compliance capabilities.ResponsibilitiesDevelop and enhance our product to maximize performance, reliability, and ongoing improvements.Ensure guardrail and policy enforcement calls (e.g., applyguardrail) are accurately logged and traceable through our SpendLogs and relevant database tables.Design and implement CPU-level guardrails to mitigate common attacks on LLM APIs, MCP servers, and Agents.Identify and resolve silent failure points in guardrail creation, registration, and policy application—ensuring robust error handling and transparency for end users.Collaborate with observability tools such as Datadog, Splunk, Prometheus, and OpenTelemetry to maintain accurate, configurable, and effective monitoring and logging for backend systems.Enhance observability integrations to manage over 1 billion requests per month with minimal latency and no memory leaks due to Prometheus metrics cardinality.Work cross-functionally on backend engineering priorities including performance, reliability, and security enhancements.What We’re Looking ForBachelor’s or Master’s degree in Computer Science or a related field.4+ years of experience with Python and backend frameworks (e.g., FastAPI, Flask).Strong understanding of logging best practices, error handling, and secure backend development.Familiarity with monitoring, logging, or metrics tools.
About UsOur mission is to revolutionize language learning.Learning a new language can transform lives by providing access to diverse cultures, career opportunities, and communities. With two billion people globally striving to learn languages, the most effective method—one-on-one tutoring—remains difficult to access at scale and has not evolved significantly over the years. Speak is developing an AI-powered, human-like tutor that fits in your pocket, offering a conversation-first approach that allows learners to practice speaking, receive immediate feedback, and progress through thoughtfully designed lessons. This results in a comprehensive journey from novice to confident speaker across multiple languages.Since our launch in South Korea in 2019, Speak has emerged as the leading language learning app, now available to learners in various markets and over 15 languages. As one of the foremost AI companies globally, we have secured over $150 million in venture capital from notable investors such as OpenAI, Accel, Founders Fund, and Khosla Ventures, with a diverse team spread across San Francisco, Seoul, Tokyo, Taipei, and Ljubljana.About This RoleWe are seeking a Senior Backend Engineer, with full-stack capabilities, to help create innovative AI-driven product experiences. The ideal candidate should have experience collaborating closely with product, design, and machine learning teams, alongside a proven track record in developing polished consumer applications. This role is pivotal in shaping our latest products focused on programmatic, conversational language learning and will significantly impact the future direction of our company.Your ResponsibilitiesCrafting innovative AI-driven product experiences and user interfaces for the web.Full-stack engineering with a primary focus on designing scalable backend systems.Troubleshooting complex streaming challenges.Taking ownership of the complete development cycle of features from ideation to production.Writing code efficiently, shipping frequently, and making a substantial impact on our business by facilitating the scaling of our content.Your Profile5+ years of industry experience as a Backend Engineer, ideally within a fast-paced startup environment.Bonus: Experience on an app that has reached over 1 million users.Exceptional problem-solving and communication skills, along with the ability to work effectively in a collaborative environment.
About CasapCasap is an innovative Series A startup backed by over $30M in funding from renowned investors such as Emergence, Lightspeed, and Primary Ventures. Located in the vibrant tech hub of San Francisco, our team consists of experienced product leaders from industry giants like Robinhood and Chime. Our mission is to revolutionize banking operations by automating disputes and combating friendly fraud. Our solutions have garnered love and appreciation from everyday users and major financial institutions alike.We are currently seeking skilled Backend Engineers to join our team in San Francisco, eager to enhance the banking experience with our rapidly growing product that sits at the cutting edge of automation and Artificial Intelligence.
About UsAt Amari AI, we are transforming the logistics industry by replacing outdated manual workflows with intelligent AI agents. Our cutting-edge technology collaborates with human operators, automating complex, document-heavy processes to enable faster, more accurate shipment processing.Having surpassed the initial development phase, we have successfully achieved product-market fit and are experiencing exceptional growth, with over 100% month-over-month revenue increase. With $5 million raised from notable investors including First Round Capital and Pear VC, we are expanding our platform's capabilities. Our highly skilled team is composed of experts from leading tech companies such as Google, LinkedIn, and Salesforce, as well as prestigious academic institutions and AI research facilities.The RoleIn the capacity of Senior Backend Engineer at Amari AI, you will play a pivotal role in shaping the core data infrastructure that drives our AI-powered logistics platform. This position offers substantial ownership and autonomy, allowing you to design and scale systems responsible for ingesting, processing, and delivering real-time logistics data across various AI components, including pipelines, queues, databases, and search layers. Your technical leadership will significantly influence product reliability and performance from the outset.What You’ll DoDesign and scale distributed backend systems - including queue pipelines, service boundary definitions, and robust failure management strategies such as retry mechanisms, circuit breakers, and graceful degradation.Manage database design and reliability - focusing on schema design, indexing strategies, and query optimization tailored to specific use cases, along with data pipelines that maintain synchronization across systems at scale.Develop AI-driven search infrastructure for real-time logistics lookups and enhanced AI features.Provide technical leadership in a dynamic startup environment - establishing engineering standards, collaborating closely with the founders on strategic roadmaps, and mentoring future backend engineers.Who We're Looking For5–8 years of professional experience in backend software engineering, preferably in high-growth startups or large-scale production environments.Proven track record of end-to-end ownership of backend systems in fast-paced, ambiguous settings.Demonstrated capability in making informed architectural decisions under time constraints, with flexibility to adapt as requirements evolve.
About UsAt Conversion, we're revolutionizing marketing automation with our AI-native platform designed specifically for modern software companies. The landscape of marketing today is fragmented by outdated tools and disconnected workflows. We're here to change that.Our solution empowers growth teams to seamlessly manage their go-to-market strategies from acquisition to retention, all within a single, fast, and personalized interface powered by AI.With over $28 million raised from leading investors like Abstract Ventures, True Ventures, and HOF Capital, we are rapidly scaling with a current ARR of over $5 million and supporting more than 4,000 customers.Join our dynamic team of high achievers in San Francisco. If you're passionate about crafting innovative, product-led marketing solutions and want to collaborate with world-class teammates, we can't wait to meet you!Over $28M in funding$0 to $6M ARR in less than 12 months, serving over 4,000 customersElite team with backgrounds from Airbnb, Palantir, Pinterest, IMC Trading, Shopify, LinkedIn, Microsoft, and moreAbout the RoleHi! I'm James, co-founder and CTO of Conversion. I want to share what we envision for our ideal candidate to join our engineering team.The challenge we face at Conversion is significant. The absence of new entrants in the marketing automation space for decades speaks to the complexity of building such platforms. Our system must reliably manage gigabytes of data syncs per customer, orchestrate intricate workflows for mission-critical processes, and handle revenue-generating form submissions while delivering high-quality emails to millions of recipients.We're seeking a backend software engineer who is:Product-focused: We value engineers who can take ownership of features, design, and implement them from start to finish. The best product managers often come from engineering backgrounds, as they can effectively assess both the benefits and costs of new features.
Full-time|$100K/yr - $400K/yr|On-site|San Francisco, CA
About MeshAt Mesh, we are on a mission to revolutionize how consumers transact with any asset. Despite the existence of trillions of dollars in tokenized assets, they remain largely untapped for daily commerce. Mesh is closing this gap by transforming crypto payments into a reliable, practical, and widely accepted method of transaction. With a robust orchestration engine paired with an intuitive consumer app, we aim to unlock liquidity on a global scale. Supported by renowned investors including PayPal Ventures, Paradigm, and Galaxy Ventures, we are laying the groundwork for the future of the global economy. Join our journey!OverviewWe are on the lookout for a skilled and seasoned Backend Engineer to become an integral part of our team. In this role, you will be pivotal in the design, development, and maintenance of our cutting-edge software solutions. Mesh operates globally, with our headquarters located in San Francisco, California. The ideal candidate will collaborate closely with our Engineering and Product teams across North America, Europe, and India.
Full-time|$160K/yr - $300K/yr|On-site|San Francisco
Join Us at ApiphanyAt Apiphany, we are at the forefront of foundational AI technology, driving innovation in physical product development. Our mission is to support global leaders in automotive, aerospace, medtech, and energy sectors by transforming complex, unstructured technical data into actionable insights in real-time. With investment from notable firms like Markforged, Databricks, GM, and Character, we aim to redefine engineering decision-making, simplifying complexity for top-tier manufacturers worldwide.Our cutting-edge models are designed to tackle the intricacies of engineering and manufacturing, incorporating a deep understanding of physics, design specifications, and program constraints. We are a compact yet highly skilled team composed of builders from prestigious institutions including Stanford, Berkeley, MIT, UW, and CMU, alongside industry veterans from GM, Ford, and Genesis Therapeutics. Together, we share a passion for revolutionizing hard-tech and establishing a company that sets the standard in our field.Your RoleIn the role of Senior / Staff Backend Engineer at Apiphany, you will take charge of designing, building, and scaling the essential systems that drive our intelligence platform. You will be responsible for developing low-latency backend services and APIs capable of processing extensive engineering data streams, maintaining security and compliance, and architecting systems for optimal performance and availability. Additionally, you will influence long-term architectural decisions, guide your colleagues through mentorship, and establish best practices for scaling backend services to deliver robust and high-performance applications.
Oct 23, 2025
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