Founding Platform Engineer

The OpportunityAt doji, we are revolutionizing the fashion shopping experience through the power of AI avatars. Our team is dedicated to developing innovative diffusion models and creating personalized interfaces that enhance user engagement.Our creative team, based in New York City, is a unique blend of aesthetic sensibility and deep AI expertise, having previously delivered impactful consumer products at leading companies such as Apple, DeepMind, and Meta. With backing from prominent investors associated with OpenAI and SKIMS, we are strategically positioned at the nexus of AI, technology, and culture.The RoleWe are in search of an iOS Engineer who will play a pivotal role in crafting a groundbreaking avatar-based fashion shopping experience. This position requires in-office collaboration at our NYC office.As our Founding iOS Engineer, you will:Engineer a native iOS application that evolves alongside our product.Collaborate with the founding team to conceptualize and execute innovative mobile experiences.Develop and uphold high-quality, reusable, and testable code.Establish and refine mobile development processes, including planning, testing, and releasing.Work collaboratively on a shared codebase while maintaining high coding standards.Enhance app performance and speed.Stay informed on the latest iOS advancements and industry best practices.Contribute to the overall product strategy and user experience.You're an ideal candidate if you:Have experience building consumer applications at scale.Possess strong foundational knowledge and experience with the modern iOS stack (Swift, SwiftUI, UIKit).Take pride in creating intuitive user experiences, polished UI, and maintainable code.Understand low-level intricacies (such as Swift 6.0 concurrency) and know how to analyze and optimize app performance.Apply Apple's design principles and interface guidelines effectively.Utilize Git and adhere to Git flow methodologies.Evaluate design patterns and their trade-offs, notably MVVM.Demonstrate self-motivation, high agency, and the ability to quickly master new skills.Thrive in dynamic, fast-paced environments, whether in startups or large tech firms.Have a genuine interest in fashion, avatars, or creative expression.

Why Join Rogo?At Rogo, we are pioneering Wall Street's first genuine AI analyst. Our mission is to empower finance professionals at leading investment banks, private equity funds, and investment firms with AI that offers unmatched speed, accuracy, and insight. We are not merely enhancing financial workflows; we are revolutionizing them from the ground up.This is an exceptional opportunity to become part of a transformative company at a pivotal moment in its journey. With a rapidly expanding client base, validated product-market fit, and support from top-tier investors, we are growing swiftly and establishing a new category in enterprise AI.Our team is intelligent, driven, and deeply committed to our mission. We operate with intensity, take ownership of complex challenges, and remain relentlessly focused on our users. If you thrive in a dynamic environment, expect excellence, and wish to contribute to the future of finance, we invite you to join us.We are in search of a Founding iOS Engineer to spearhead the development of Rogo’s native iOS application. You will play a crucial role in shaping our mobile experience—from setting development standards and processes to launching user-facing features utilized daily by finance professionals. You will collaborate closely with engineering, product, and customer teams to redefine how users engage with AI on mobile.You will take ownership of core features end-to-end: designing intuitive user experiences, implementing high-performance Swift code, and optimizing app performance. This is a high-impact role where your contributions will ship quickly, be utilized immediately, and provide significant value to our customers.Key ResponsibilitiesArchitect, build, and maintain Rogo’s iOS application utilizing Swift, SwiftUI, and UIKitEstablish and enhance mobile development practices: planning, testing, releasing, and monitoringCollaborate cross-functionally with product, engineering, and domain expertsOwn significant product features from concept to launchWork closely with users and Customer Success to iterate rapidly and implement improvementsContribute to the overall architecture and strategic direction of our mobile and frontend platforms

Join Via as a Senior iOS Engineer and be a vital part of our mission to revolutionize transportation globally. You will focus on enhancing the rider experience, including booking, account management, and more. Additionally, you will play a key role in managing and advancing our multi-platform UI and automation testing infrastructure.

Founding Backend EngineerCompany Overviewfuku is an innovative and rapidly expanding social shopping platform co-founded by Phoebe Gates and Sophia Kianni. With a user base exceeding 350,000 and an impressive 90% retention rate, fuku is at the forefront of transforming online shopping through community engagement, personalized experiences, and AI-driven recommendations. Join our dynamic, mission-oriented founding team and play a key role in defining the future of social commerce.Key Job Information- Location: New York City (relocation support provided)- Work Type: On-site, full-time- Required Experience: 3+ years- Salary Range: $160,000 – $200,000 per year- Visa Sponsorship: Available for H-1B, O-1, OPTRole SummaryIn the role of Founding Backend Engineer, you will take ownership of and enhance fuku's data infrastructure, essential for powering search, personalization, and recommendations. Collaborating closely with the CTO and machine learning engineers, you'll design robust data pipelines, architect backend systems, and establish best practices for backend engineering. This is a unique founding opportunity where you will have substantial product and technical ownership.Responsibilities- Design and implement backend systems for fuku's recommendation engine and shopping experience.- Develop and maintain data pipelines for processing large-scale datasets from diverse sources.- Create reusable APIs and microservices for core product functionalities.- Collaborate with the ML team to integrate machine learning models into production.- Ensure system reliability, scalability, and maintainability across the backend stack.- Set and uphold backend engineering standards and technical best practices.Requirements- At least 3 years of backend engineering experience.- Strong expertise in Python and cloud platforms (AWS/GCP).- Practical experience in building data pipelines and microservices architectures.- Familiarity with Airflow, gRPC, GraphQL.- In-depth knowledge of search and vector database technologies, including: - HNSW (Hierarchical Navigable Small World) - OpenSearch / Elasticsearch - Approximate Nearest Neighbor (ANN) frameworks- Exceptional system design and problem-solving capabilities.- Willingness to work in-person in New York City (relocation assistance provided).Benefits & Perks- Competitive salary with equity in the company.- Comprehensive health, vision, and life insurance.- 401(k) plan with company matching.- Complimentary daily lunches, snacks, and late-night Ubers.- Opportunity to work closely with founders and early team members, influencing product and technical direction.Interview Process1. Introductory chat with the Head of Recruiting2. Technical interview3. Coding assessment4. CTO interview5. Onsite interview (technical + cultural fit)6. Offer extended7. Onboarding

Join OuterSignal as a Founding Software EngineerAt OuterSignal, we are pioneering the customer intelligence layer for commerce. While brands track orders, they often miss the larger picture, seeing only about 5% of the complete narrative. We provide insights into the remaining 95%, revealing not just who purchased, but also key information about those individuals — including executives, influencers, journalists, retail buyers, investors, and loyal customers who can become a brand’s strongest advocates. Our innovative platform enhances every order in real-time with both professional and personal signals, enabling smarter outreach, improved analytics, and better business development leads. In just six months, we've partnered with over 150 brands and are experiencing a monthly growth rate of 50%. Our small, high-performing team is committed to building a category-defining platform for e-commerce customer intelligence, supported by a world-class group of investors.Your Responsibilities:Design and manage core systems that handle millions of orders via APIs and LLM pipelines.Develop queue-based microservices utilizing Redis, Node.js, TypeScript, PostgreSQL, Docker/Kubernetes, and Vercel.Integrate vector databases and RAG pipelines to enhance customer profiles, making them smarter, faster, and more searchable in real-time.Deliver features end-to-end: from APIs to dashboards and integrations (including Shopify, Klaviyo, Slack, Zapier, and Gorgias).Ensure compliance with privacy regulations and best practices.Collaborate closely with the founding team on product vision, roadmap, and future hiring of engineers.Your Profile:5+ years of engineering experience, particularly in backend infrastructure and distributed systems.Proven experience in a fast-paced startup environment or a strong willingness to adapt to dynamic work conditions.Proficient in JavaScript/TypeScript (Node), with additional familiarity in Python and Machine Learning being a plus.Experience with vector databases (such as Pinecone, Weaviate, pgvector) and RAG architectures.Comfortable designing schemas and scaling PostgreSQL databases.Bonus if you have experience building applications around LLMs, Shopify, or data privacy frameworks.Above all, you desire ownership of your work. You thrive in rapid development environments, enjoy tackling complex challenges, and are not deterred by the chaos that often accompanies early-stage projects.

Join us as a Founding Software Engineer with extensive full-stack development expertise to shape the future of our innovative AI platform tailored for market due diligence. You will take full ownership of developing features from the ground up—spanning AI-driven backend systems to sleek frontend interfaces utilized by investment professionals in Private Equity, Hedge Funds, Private Credit, and Corporate M&A to guide billion-dollar decisions.About DiligenceSquaredDiligenceSquared revolutionizes commercial due diligence for Private Equity funds. Backed by Y Combinator, we recently secured a substantial Seed round, and our clientele includes some of the largest PE funds globally.The market is valued at over $10 billion annually, with PE funds investing $500,000 to $1 million per report with firms like McKinsey, BCG, and Bain. Our AI solutions provide these services faster, more cost-effectively, and with superior accuracy compared to traditional methods.Our founders have firsthand experience in this domain, having traded these reports while holding senior positions at Blackstone and BCG. We possess profound insights into the workflows and are now focused on automating these processes.Your Responsibilities:Develop new product features and user experiences end-to-end, from database schemas to API endpoints, and integrate them with UI components for our web application and AI Voice Agent.Design and build AI-powered modules from scratch (e.g., market sizing, competitive analysis) that will be integral to our research platform.Establish and manage product foundations across the stack, including AI agent orchestration, voice AI pipelines, interactive data visualizations, application and API performance, and intelligent automations.Incorporate lessons learned from every project into the product development, ensuring continuous incremental improvements (the Law of Compounding is critical, especially for a company founded by investment experts).Qualifications:Minimum of 3 years of professional full-stack development experience.Strong command of React/TypeScript and Python.Experience in developing intelligent systems using LLM platforms (e.g., Anthropic, OpenAI).Extensive hands-on experience with LLMs in production, focusing on building reliable intelligent systems.Proficient with PostgreSQL and SQL database architecture.Familiarity with modern frontend architecture, state management, and API design.

Overview: Spur is the AI QA Engineer for every company.Location: New York CityAt Spur, we create groundbreaking technology designed to redefine quality assurance: autonomous browser agents that think, explore, validate, and self-heal like actual users. We aren’t just another testing tool; we are revolutionizing the way digital teams deliver with confidence.The market response has been resounding. Leading brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, and Abercrombie & Fitch are actively engaging with us. Demand is skyrocketing, sales cycles are swift, and our product delivers — teams can go live in days, not months.Our elite team comprises builders from DeepMind, Figma, and former founders who are producing at a pace that larger companies cannot match.Our Mission: We aim to empower our customers to deliver exceptional digital experiences.Explore our Manifesto: https://www.spurtest.com/founders-letterThe RoleAs the founding engineer specializing in infrastructure and backend, you will design the core architecture of Spur’s platform—defining, building, and scaling critical infrastructure that powers our web agents.You will oversee our entire stack from top to bottom, orchestrating vast fleets of browsers and web agents in the cloud while optimizing them for massive scale. Collaborating closely with the founders, you will tackle pioneering infrastructure challenges that have a direct impact on our customers and set the benchmark across our stack, from low-level infrastructure to the user experience delivered by our agents.What You Will DoBuild and scale our core infrastructure to deploy and manage thousands of browser and web agents daily.Design, implement, and maintain our clusters, CI/CD processes, observability, and best practices.Rapidly iterate in collaboration with product, engineering, and the founders.Bonus PointsExperience with distributed task queues and optimizing performance/scalability.A history of generating impact in small teams and scaling infrastructure from the ground up.You Will Excel Here If YouHave 5+ years of experience designing, deploying, and managing infrastructure at scale.Possess deep expertise in Docker and cloud technologies.

About Sailor HealthSailor Health is dedicated to addressing the urgent mental health crisis affecting older adults. In the U.S., seniors are the demographic with the highest suicide rates but often lack adequate mental health services. With projections indicating that by 2030, over 65 million seniors will represent nearly a quarter of the U.S. population, this issue demands immediate attention.We are developing an innovative platform focused on senior mental health, facilitating connections between older adults, therapists, healthcare professionals, and insurance providers. Our AI-driven operating system enhances care coordination, provides real-time clinical insights, and simplifies insurance billing, allowing therapists to dedicate more time to compassionate care.Our rapid growth and partnership with Medicare enable us to deliver exceptional and affordable psychotherapy to hundreds of patients. We are proud to have the support of distinguished founders from Ramp, Nourish, Headway, Charlie Health, and Spring Health.⭐ About the RoleLocation: HQ - New York City - Remote.We are seeking a Founding Full-Stack Engineer who will spearhead the development of our AI-enhanced platform from its architectural design through to launch. You will collaborate closely with our co-founders to establish the systems and AI infrastructure that drive our platform, including tools for therapists and care navigation support.This is a unique opportunity to create and launch an AI-first product from the ground up at a startup that has achieved exceptional product-market fit. You will be responsible for significant technical decisions, influence our engineering culture, and rapidly bring innovative ideas to fruition. If you thrive in a fast-paced environment and seek to make a meaningful impact through your coding, we want to connect with you.

Join Grow Therapy as an iOS Engineer, where you'll play a vital role in enhancing our iOS app to provide accessible mental healthcare. Collaborate in a mission-driven team, implementing features that make a significant impact on the lives of therapists and patients alike. You'll design and develop new functionalities using Swift, while ensuring code quality and performance. Your contributions will directly influence our goal of making mental health care affordable and accessible across the United States.

At Compass, we are dedicated to helping everyone find their place in the world. Since our inception in 2012, we have been at the forefront of revolutionizing the real estate sector with our comprehensive platform that enables residential real estate agents to provide outstanding service to both sellers and buyers.About the RoleThe Client Infrastructure team is the backbone of innovation, offering the essential platform, tools, and infrastructure that empower our iOS engineering teams to swiftly build, deploy, and deliver high-quality features. As a Senior Software Engineer within the iOS Platform sub-team, you will take on the role of a technical leader, driving the future of iOS development at Compass. You will cultivate a culture of technical excellence and developer empowerment among our team of over 40 iOS engineers.We seek a pragmatic visionary who can dissect complex iOS architectures to mitigate future technical debt, streamline extensive build systems, and implement scalable and resilient platform solutions that enhance productivity across the engineering team. In addition to execution, you will serve as a mentor and technical leader for aspiring iOS engineers, spearheading impactful and high-complexity platform initiatives. You will lead by example—innovating, teaching, and shaping the future of iOS engineering at Compass.This position necessitates profound expertise in iOS platforms coupled with strategic foresight to amplify the capabilities of our entire iOS organization through robust platform infrastructure.ResponsibilitiesSteer the technical roadmap for iOS platform infrastructure, promoting a leading developer experience and modern iOS development methodologies among 40+ iOS engineers.Design, scale, and maintain core capabilities of the iOS platform, which include build systems, testing infrastructures, API frameworks, and shared libraries, ensuring they meet the performance and quality demands of all iOS product teams.Oversee the iOS testing strategy and infrastructure, empowering teams to uphold rigorous testing standards via intelligent automation, AI-enhanced testing tools, and quality gates that enforce best practices.Lead initiatives for iOS platform modernization, including the Swift 6 migration strategy, adopting Kotlin Multi Platform, and reducing technical debt while advocating for coding standards and architectural patterns.Refine iOS build system infrastructure (Bazel) serving over 40 engineers, focusing on reducing build times, implementing caching strategies, and developing productivity tools that guide engineers along the optimal path.Establish and enhance standards for iOS app performance, reliability, and monitoring metrics.

Join Noto as a Founding Engineer!At Noto, we are revolutionizing the way after-school businesses operate by creating an AI-native operating system tailored for tutoring centers, music schools, and sports academies. Our goal is to empower the 150,000 after-school businesses across the U.S. with a seamless platform that modernizes outdated tools and eliminates the chaos of spreadsheets.With our recent funding of $3.8M seed from esteemed investors like Base10 Partners and South Park Commons, we are poised for rapid growth.Founded by visionary technical leaders, AJ Ding (CEO) and Steve Wang (CTO), we are based in NYC and are in the process of building a passionate team dedicated to quality, user experience, and making a significant impact.Become part of our mission to empower small-business owners within local communities!(Our team enjoying karaoke with a valued customer)Meet Our Founders AJ Ding (CEO) - A second-time founder with a background in AI recruiting and experience as a machine learning engineer and data scientist at Quora, Lyft, and Meta. AJ holds a degree in Statistics from Yale and has a personal connection to small business ownership.Steve Wang (CTO) - Previously the Head of Engineering at Nitra, Steve has extensive experience in data science and engineering at Lyft. He studied math at Harvard and has Canadian roots.Work Environment 4 days in-office (Union Square area)1 day remote per week1 week per quarter to work from anywhereOpportunities for occasional travel for team off-sites and client visitsOur Company Culture Strong Team Spirit: We collaborate closely and celebrate our shared achievements.Impact-Driven: We prioritize meaningful work that makes a difference.

About EliseAIAt EliseAI, we are transforming critical industries such as housing and healthcare. Everyone deserves a secure home and access to quality healthcare, yet both can often be difficult to attain. By seamlessly integrating AI agents into current workflows, we enhance efficiency, lower costs, and elevate the overall experience for users.Housing: We streamline the process for renters to tour apartments, sign leases, submit maintenance requests, and maintain communication with their property teams—bringing every essential service for their home into a single platform.Healthcare: We simplify the scheduling of appointments, the completion of intake forms, and enhance communication between patients and providers, allowing everyone to focus on health rather than paperwork.With EliseAI, organizations can minimize manual tasks, enhance accessibility, and provide a seamless experience across vital services. We recently secured a $250 million Series E funding round spearheaded by Andreessen Horowitz to propel this mission forward.About The RoleEliseAI is venturing into a new sector: healthcare. We are in search of a Founding Software Engineer to play a pivotal role in establishing our new business unit. You will be working in a startup environment within a startup, driving transformative changes in the healthcare landscape.As a Software Engineer at EliseAI, your role will extend beyond mere coding; you will develop software that enhances business operations and positively impacts lives. Instead of adhering to a predefined playbook, you will be creating one. Each day will present challenges to identify methods for scaling and executing our vision. You will collaborate with a small team of top-tier engineers, taking on substantial ownership, leading projects, and witnessing your ideas come to fruition.Key ResponsibilitiesDevelop systems that promote autonomous operations in healthcare, optimizing communication and administrative workflows.Collaborate directly with customers to design and manage new product features from conception to deployment.Enhance the scalability and reliability of our core infrastructure.Suggest and implement impactful improvements to our applications.

Join the Pom Health TeamPom Health is revolutionizing the healthcare landscape with a focus on the joys of food. Our mission is to empower clinicians to integrate nutrition and lifestyle guidance into standard care practices.In the United States, 130 million people face chronic diseases linked to their dietary choices. Heart disease, diabetes, and obesity account for a staggering 85% of our $4 trillion healthcare expenditure. Despite this, there is no systematic approach for doctors to prescribe nutrition—a critical intervention.At Pom, we are changing this narrative. We collaborate directly with healthcare professionals to provide personalized, culturally-sensitive nutrition care through our skilled dietitians and AI-driven coaching, seamlessly woven into existing clinical workflows. We believe food should be a central component of a patient's care plan.Our passionate, multidisciplinary team—comprising clinicians, technologists, and operators—consists of 15 dedicated individuals. We are proud to have secured over $5.3 million in funding from esteemed investors such as NextView Ventures, Female Founders Fund, Flare Capital, and Pear Ventures, alongside the co-founder of Instacart. With our initial practice customers onboard, we have already positively impacted hundreds of patients.If you share our vision and wish to make a significant difference for countless individuals through your technological contributions, we would be thrilled to connect!Role OverviewAs a Founding Engineer, you will play a pivotal role in shaping Pom's foundational development. This position transcends traditional engineering tasks—you will have genuine ownership in building our product, platform, and team culture.In collaboration with the founders and our early team, your responsibilities will include:Developing our core product: You will create the infrastructure that merges high-touch nutrition therapy with AI coaching and engaging food content, guiding patients through impactful, incremental changes.Ensuring seamless integration: Your work will facilitate access to Pom's services at the point of care in clinical settings.Preparing for scalable growth: You will make foundational technical decisions that enable us to experiment and scale effectively.Cultivating our engineering culture: Together, we will establish a high-caliber technology organization.

About SunoSuno is a pioneering music technology company dedicated to enhancing creativity, where innovative ideas transform into sound and melodies become uniquely yours. We are on a mission to develop a groundbreaking platform fueled by the most sophisticated music creation model worldwide, sharing the joy of musical expression with millions.Established by passionate Harvard graduates two years ago, Suno has rapidly ascended to success, achieving an impressive $200 million in annual recurring revenue. This makes us one of the fastest-growing AI startups globally, with a current valuation of $2.45 billion. In November 2025, we secured $250 million in Series C funding and now proudly employ 150 talented individuals across our dynamic offices in Venice Beach, Cambridge, and New York City.With over 100,000 reviews and an outstanding 4.9 rating on the App Store, our iOS team is instrumental in shaping the future of our innovative products and driving our company's success.About the RoleWe are seeking skilled iOS Engineers to join our expanding mobile development team. In this role, you will collaborate closely with our product designers and managers to develop Suno's iOS application, enabling seamless music creation at everyone’s fingertips.Explore the Suno song we crafted especially for this role: https://suno.com/s/oEdmOtkZDLHCopSGWhat You’ll DoDevelop and implement essential features and UI components for Suno's iOS app utilizing Swift and SwiftUI.Collaborate with our audio engineering team to seamlessly integrate and enhance music playback and creation functionalities.Engage in design and product decision-making processes to elevate the overall user experience.Optimize the performance, user experience, aesthetic quality, and overall feel of our products.What You’ll NeedA minimum of 3 years of experience in developing iOS applications.Proficient in Swift and SwiftUI, with a strong portfolio demonstrating your work.In-depth knowledge of iOS performance optimization techniques and best practices.Ability to produce clean, maintainable, and well-documented code.Fundamental understanding of RESTful APIs and networking principles.Excellent communication skills and the capacity to thrive in a collaborative environment.A genuine passion for music (listening, exploring, creating) is highly desirable.Bachelor's degree in Computer Science or related field.

About MedalMedal is the premier and rapidly expanding platform for gaming clips, where millions of gamers capture, share, and relive their most exhilarating moments. Each year, our players record billions of clips, showcasing unique highlights filled with action. We are on a mission to build the next generation of gaming communities that are social, monetized, and powered by creators. Our goal is to create products that facilitate seamless and enjoyable sharing, discovering, and connecting around gaming moments.Recently, we successfully raised a seed round of $133 million from General Catalyst and Khosla to propel the future of intelligence in gaming.The RoleWe are seeking a Senior/Lead iOS Engineer to elevate our mobile application to new heights. You will collaborate with a small, talented team of engineers and designers to enhance the Medal experience on iOS—developing features ranging from real-time editing tools to content discovery and notifications. Your contributions will help shape our mobile architecture, influence product direction, and create experiences that are enjoyed by millions of gamers.If you are passionate about delivering high-quality mobile experiences, have a keen eye for user interactions, and want to work on a product that sits at the intersection of social engagement and gaming, this opportunity is perfect for you.

Location: New York CityIndustry: AI / Recruiting / HR TechCompensation: Competitive salary plus meaningful early equity Talentpluto is building an autonomous recruiting platform that uses AI to streamline hiring. The team focuses on intelligent candidate screening, real-time conversations with hiring managers, and automating complex recruiting workflows. The product leverages large language models, voice AI, and automation tools to reshape how companies find and hire talent. The company values agility, rapid iteration with real users, and a culture based on trust and ownership. Feedback from clients and candidates directly shapes product decisions, and everyone is encouraged to take responsibility for impactful hiring tools. Role overview The Founding Engineer will help define the technical direction of Talentpluto and take on broad ownership across the product and technology stack. This position suits someone who enjoys building from the ground up, partnering closely with founders and clients, and shaping both architecture and engineering culture from the earliest stages. This role covers everything from designing and deploying features to establishing infrastructure and engineering practices. The Founding Engineer will also help recruit and onboard future engineering hires, ensuring the team grows with strong foundations in place. Key responsibilities Design, build, and launch features across the stack, including backend data models, APIs, and user interfaces Work directly with founders and clients to turn high-level needs into practical, effective solutions Select tools, frameworks, and architectural approaches for the platform Set up and maintain infrastructure for CI/CD, observability, security, testing, and performance Define engineering best practices, such as code review standards, testing protocols, and release management Contribute to pipeline management UIs, multi-tenant systems, and integrations with payment gateways and external services Support recruitment, hiring, and onboarding of engineers and contractors as the team grows Troubleshoot complex production issues and improve documentation and internal tools as needed Requirements Experience delivering real products end-to-end, ideally in a startup or fast-changing team Comfort working across the full stack: frontend, backend, databases, and sometimes mobile Strong sense of ownership and focus on user outcomes, not just task completion Ability to work through ambiguity and iterate based on user feedback

DiligenceSquared is in search of a pioneering Backend Engineer to join our team as we revolutionize the landscape of market due diligence through cutting-edge AI technology. In this foundational role, you will be instrumental in designing the architecture for our AI-driven engine, which coordinates autonomous research agents and voice AI systems to produce innovative market reports tailored for investment professionals, including those in Private Equity, Hedge Funds, Private Credit, and Corporate M&A.About DiligenceSquaredAt DiligenceSquared, we are transforming commercial due diligence for Private Equity funds. Backed by Y Combinator and having successfully raised a substantial Seed round, we are proud to serve some of the globe's largest PE funds. The market opportunity exceeds $10 billion annually, with PE firms spending up to $1 million per report from consulting giants such as McKinsey, BCG, and Bain. Our AI agents streamline this process, delivering faster, cost-effective, and fully auditable results, linking every claim to its source.Our founding team comprises seasoned professionals from Blackstone and BCG, bringing invaluable insights into the market's needs, which we are now automating.Your Responsibilities:Develop comprehensive product features and experiences from start to finish, including database models, API endpoints, and their integration with UI components for our web and AI Voice Agent application.Design and implement new AI-driven modules from the ground up (e.g., market sizing, competitive analysis) that will become core functionalities of our research platform.Build and maintain product foundations that include AI agent orchestration, voice AI pipelines, application and API performance, and intelligent automations.Architect scalable backend services featuring complex asynchronous processing and background task orchestration.Continuously improve the product by applying insights gained from each project, ensuring we progress by 1% every day (the Law of Compounding is real, especially for a team founded by investment professionals).Qualifications:Minimum of 3 years of professional experience in Python backend development.Proven expertise in building production-ready APIs using frameworks like FastAPI, Django, or equivalent.Experience in developing agentic systems leveraging large language model platforms (e.g., Anthropic, OpenAI).Hands-on experience with LLMs in a production environment, focusing on building reliable agentic systems rather than just API calls.Knowledge of PostgreSQL and SQL database design.Strong problem-solving and analytical skills with a passion for innovative technology.

Join Our Visionary TeamWe are revolutionizing the AI landscape for America’s 33 million small and medium-sized businesses (SMBs). Our growth trajectory is remarkable—10x in the past year and 20% month-over-month. After recently securing $3 million in seed funding from Pear, we proudly serve over 300 businesses today, with a target of exceeding 1000 by year-end. We have uncovered an untapped opportunity to lead the SMB market while others focus solely on enterprise solutions.Our Ambitious GoalConventional wisdom suggests that SMBs are challenging due to low contract values and high churn rates. However, we see significant growth potential where others see obstacles. Representing half of the U.S. GDP, SMBs require AI solutions just as much as enterprises do, and we are making this vision a reality.Our initial success demonstrates our model's effectiveness, and we are on the lookout for a dynamic product leader to help us scale. Starting with AI receptionists, we have quickly evolved into a more robust platform—the SMB Customer Revenue Engine, equipped with AI agents managing all customer interactions, an intelligent layer that learns from each interaction, and outbound AI strategies that drive genuine revenue growth. Our bold vision is to become the ultimate SMB super app—a comprehensive, intelligent platform that oversees everything from customer acquisition to retention.Your RoleAs our first full-stack founding engineer, you will play a pivotal role in shaping the evolution of our product. This position is far from ordinary; while coding is part of your job, your responsibilities will also include:Engaging with customers to gather feedbackParticipating in major dealsFacilitating growth experimentsDirectly influencing the product roadmapYou will take ownership of features from prototype to production scaling, collaborating closely with our founder (ex-Meta) and PM (ex-Microsoft) to influence the company's direction.Within your first 90 days, you will:Launch revenue-generating features utilized by hundreds of SMBsParticipate in sales and support calls, transforming customer feedback into rapid product iterationsWork across the technology stack (TypeScript, React, FastAPI, Postgres, Twilio, LiveKit)Refine critical AI logic that impacts call qualityDevelop internal tools that accelerate go-to-market effortsIn the subsequent six months, you will:Manage significant product areas (e.g., lead capture workflows, analytics, integrations)Drive the adoption of your features across 1000+ businessesCollaborate across teams to enable seamless product launches

The advertising landscape is evolving, and at Polynomic, we’re leading the charge in transforming performance marketing from its roots. We envision a future where innovative ad formats remain the cornerstone of online business, driving growth in commerce. However, the current performance marketing strategies are bogged down by outdated methodologies and excessive manual labor. We’re committed to changing that narrative. Our goal is to empower brands to abandon the hit-or-miss approach of traditional marketing and leverage the power of AI to create more efficient and profitable advertising solutions.We’re developing autonomous, intelligent systems that allow brands to seamlessly connect and discover the most lucrative avenues for revenue growth through advertising, reducing the need for costly agencies and minimizing the time spent on campaign optimization.Founded by Madhav (former Google Ads, Citadel, HBS, Harvard) and Nathan (former Google Research, HBS, Stanford CS), Polynomic is a well-funded seed-stage startup supported by leading venture capitalists and angel investors. We’re already collaborating with multiple high-growth consumer brands as our clients.Role Overview:As a Founding Engineer, you will take the reins in defining and constructing the foundational technology stack that powers Polynomic. You will engage with cutting-edge AI challenges, develop data infrastructures, and orchestrate agents to create autonomous systems that will redefine the future of performance marketing.Preferred Qualifications:You possess exceptional talent demonstrated through successfully shipped products, impactful research contributions, open-source projects, startup experiences, or other technically rigorous endeavors.You are passionate about owning and successfully delivering ambitious and complex projects that tackle challenging technical problems (e.g., reinforcement learning, bandits, reasoning, agent reliability, and ad creative generation workflows).You are genuinely interested in the dynamics of running efficient digital advertisements and understand their significant influence on global commerce.This is an in-person role located in New York City.