Software Engineer Intern at DoubleVerify | New York City

Hybrid: 3 days per week (Tuesday-Thursday) at NYC Global HQAbout UsAt DoubleVerify, we pride ourselves on being the foremost independent provider of marketing measurement software, data, and analytics. Our mission is to ensure the quality and effectiveness of digital media for some of the largest brands and media platforms globally. Since our inception in 20…

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.

About FarsightFarsight is a pioneering AI platform tailored for the financial services sector, revolutionizing how investment banks and private equity firms automate intricate workflows. Currently, financial institutions spend around 80% of their time manually gathering information and drafting materials before refining their presentations, models, and pitches. Our solutions not only reclaim that valuable time but also enhance their outputs with insights that would be unattainable without our advanced financial AI technology.We process vast amounts of both public and private data, ensuring the delivery of precise and auditable materials in a complex landscape where traditional AI struggles. Regularly, our product produces results that exceed the capabilities of current employees, with clients expressing satisfaction such as:“I’m more than willing to let my analysts never use Powerpoint again.”“We pay consultants millions annually to guide our AI strategies. They have no idea what Farsight is capable of.”Our mission is to transform the operational landscape of financial services, effectively interweaving AI into the essential fabric of every corporation worldwide.TeamWe are an enthusiastic team committed to crafting technology that inspires. Each member contributes in various roles, including development, sales, infrastructure, design, product innovation, and AI research. We expect new hires to possess the experience or passion to take on diverse responsibilities.Our team boasts a rich background from top financial institutions such as Evercore, General Atlantic, and Menlo Ventures, combined with robust engineering and AI expertise from companies like Amazon, Hugging Face, and the MIT Media Lab. Having learned the intricacies of building successful startups as founders and founding engineers, we prioritize attracting the best talent to elevate our company further.Our operations are entirely based in Manhattan, New York City, with in-person attendance required four days a week (Fridays are remote).

Traba connects businesses with skilled industrial workers through technology designed to streamline labor management and improve supply chain efficiency. The company offers mobile apps for workers and businesses, along with web platforms for clients and internal teams. Backed by investors such as Founders Fund, Khosla Ventures, and General Catalyst, Traba is focused on building solutions that help organizations operate more effectively. Role overview The Senior Software Engineer joins Traba’s founding team in New York City. This position involves hands-on development for both mobile and web applications, supporting products used by workers, business clients, and internal teams. Working closely with the CTO, the engineer will help shape the technical architecture and influence the product roadmap, contributing to a scalable technology platform for the future. What you will do Develop and maintain mobile applications for workers and business users Build and enhance web platforms for business clients and internal operations Collaborate with the CTO on architectural decisions and long-term technical planning Help define and refine the product roadmap Contribute to building a technology platform that supports growth and scalability Location This position is based in New York City, NY.

The Atlas Growth team is a dedicated group of cloud engineers committed to supporting our customers throughout their application development journey. We handle everything from cluster configuration and data modeling to load testing and managing production workloads at scale. Utilizing our proprietary experiments platform, we validate new features rapidly, ensuring that we only release enhancements that benefit our users. Our engineers collaborate in cross-functional squads consisting of product, design, analytics, and research teams, all focused on achieving specific performance metrics such as retention.Atlas Growth 2 is responsible for creating customer-facing features within the Atlas platform and works alongside other teams within the Growth engineering division. Recent initiatives have included developing an AI Chatbot for cluster creation, implementing a recommendation system for improved database performance, and designing a pricing page optimized for conversion rates.This role is based in our New York City office and supports both our Flexible and In-Office working models.

Join Our Innovative Team at GarageAt Garage, we are dedicated to revolutionizing the way essential vehicles—such as firetrucks—and critical equipment are delivered to the communities that rely on them. Our AI-driven marketplace transforms lengthy manual processes into efficient, rapid solutions, ensuring that vital resources reach those in need swiftly and effectively. By improving operational efficiency, we not only safeguard communities but also conserve taxpayer funds while bolstering key industries that uphold America's infrastructure.With $18M in funding from notable investors such as Y Combinator, Initialized Capital, Infinity Ventures, and FJ Labs, we are poised for significant growth.Your RoleAs a member of our agile team, you will work closely with the founders on impactful projects that matter. We prioritize user experience and are committed to delivering products that make a difference. In your role as a software engineer, you will have the chance to influence product strategy and create systems that facilitate the movement of real equipment and vehicles nationwide.Your ResponsibilitiesLead the development and management of core systems within our marketplace and transaction infrastructureAutomate intricate workflows involving payments, logistics, compliance, and financingCraft APIs, data models, and services designed for large-scale asset movementCollaborate with product and operations teams to ensure rapid and reliable deploymentYour ProfileYou bring at least 2 years of professional software engineering experience, with a strong command of TypeScript. Your thinking is driven by a product-oriented and systems-based approach, favoring straightforward and dependable solutions. You are passionate about developing software that has a tangible impact on the world.What We ProvideAttractive salary with stock optionsComprehensive health, dental, and vision insurance for you and your dependentsDaily catered lunches at our New York City officeUnlimited paid time off each year$100 monthly wellness stipendBi-annual team retreatsOpportunity to innovate one of the largest and most antiquated marketplaces

Join the City of New York as a Civil Engineer Intern, where you will play a pivotal role in supporting various engineering projects that enhance the urban landscape. This internship offers a unique opportunity to gain hands-on experience in civil engineering, collaborate with seasoned professionals, and contribute to the development of sustainable infrastructure in one of the world's most dynamic cities.

Reddit is a vibrant ecosystem of communities centered around shared interests, fostering authentic conversations that matter. With over 100,000 active communities and approximately 116 million daily unique visitors, Reddit stands as one of the premier platforms for information exchange on the internet. To learn more, please visit www.redditinc.com.The Quality Engineering (QE) team at Reddit is in search of a talented Senior Software Engineer to join our Android Test Engineering group. In this role, you will collaborate closely with cross-functional teams to design and develop innovative tools and comprehensive testing frameworks that uphold the highest quality standards. Our mission is to empower all engineering teams at Reddit by providing robust testing solutions that drive quality across the software development lifecycle.

Join the Foundational Team at RillaRilla is revolutionizing the way we index the offline world. We have developed the premier sales coaching software tailored for organizations that conduct sales in-person. With over 1000 clients, including industry giants such as The Home Depot, KKR, Neighborly, and PulteGroup, our platform empowers AI-driven sales coaching across their operations.Supported by leading investors including Google Ventures, Bessemer Ventures, Crew Capital, and Broom Ventures, Rilla is an in-office team based in New York City. Our dynamic team operates with the speed and adaptability of high-performance learners, driven by a deep commitment to our customers and a passion for maximizing our real-world impact.If you're eager to develop products and systems that capture and index billions of real-world conversations, Rilla is the perfect place for you.Your RoleWe are establishing a new Platform team, and we are looking for one of the inaugural hires. You will collaborate closely with the platform team lead to shape how Rilla constructs, deploys, monitors, and scales its infrastructure.Your responsibilities will span the entire platform architecture: CI/CD pipelines, Terraform modules, monitoring stacks, SSO integrations, and the API infrastructure crucial for our client operations. If it ensures our product’s functionality and allows engineers to deploy seamlessly, it falls under your purview.You will engage in coding, system design, and architectural decision-making, effectively constructing the platform relied upon by our expanding engineering team of over 25 members. You will take ownership from initial concept to delivering production systems that serve thousands of customers.We welcome engineers of all experience levels; what counts is your relentless resourcefulness, strong technical skills, and enthusiasm for building from the ground up.Do you consider yourself 'obsessive' in your craft? Do you want to define the infrastructure for one of the fastest-growing startups in history? Then Rilla is the ideal environment for you to thrive.

Role overview arch.co seeks a Staff Software Engineer to join the team in New York City. The role centers on designing and building software that advances the company’s mission. Collaboration with colleagues from various teams is a regular part of the work, with a focus on delivering solutions that have real impact. What you will do Plan and develop software features in partnership with cross-functional teams Design new systems and enhance those already in place Apply technical expertise to projects that influence the company’s direction Location This role is based in New York City.

About SolaSola is revolutionizing enterprise automation with our cutting-edge agentic platform designed for the businesses of the future. Established in 2023 by visionary MIT graduates Jessica Wu and Neil Deshmukh, our company has quickly gained traction, securing a Series A investment from a Tier-1 VC and Conviction, alongside backing from Y Combinator (S23) and notable founders from Dropbox, Zoom, Zapier, and Scale.Within just one year, Sola has become the go-to solution for Fortune 500 companies, elite U.S. law firms, and top-tier enterprises in sectors such as finance, healthcare, legal, and supply chain.Our dynamic team in New York City consists of industry leaders who have successfully built and scaled renowned businesses, contributed to leading quantitative funds, and engaged in cutting-edge research and crypto projects.What We’re BuildingWe are redefining enterprise process automation by seamlessly integrating foundational AI models for web and desktop interfaces at scale. Our innovations include:AI-driven error correction algorithmsIntelligent workflow orchestrationMarkov decision models leveraging AI inputsRobust AI desktop infrastructureOur workflow automation product is merely the starting point; the most challenging hurdles are yet to come.If you’re eager to deliver Figma-level UI/UX excellence in automation and develop reliable tools for mission-critical processes, we invite you to connect with us.Your ResponsibilitiesAs a Senior Full-Stack Engineer, you will:Lead the entire feature lifecycle—from initial customer requests to deployment in productionMake informed trade-offs between frontend and backend during system designDevelop fast and reliable client-side features for recording and creating workflow automationsIntegrate with backend APIs to execute and monitor automationsCollaborate with product and design teams to create intuitive and delightful user experiencesQualifications We SeekProficient in Typescript, Python, and React (mandatory)4+ years of experience in writing high-quality production code with effective monitoring and reportingPrior experience in a Seed or Series A startup environmentStrong foundation in client-side technologies and platformsDemonstrated ability to collaborate with designers, PMs, engineers, and customers to translate high-level goals into actionable tasks

Role overview MongoDB, Inc. is seeking a Senior Software Engineer based in Austin or New York City. This position involves designing and building software solutions within a collaborative engineering team. Senior Software Engineers at MongoDB play a key role in shaping system architecture and maintaining high standards for software quality and reliability. What you will do Design and develop software solutions for MongoDB products and services Collaborate with fellow engineers to address complex technical challenges Contribute to important system architecture decisions Apply coding best practices to create maintainable and scalable code Support the delivery of reliable, high-quality software releases Location Austin, TX New York City, NY

At Squarespace, we are transforming the way individuals realize their visions online. Our Research and Development Engineering teams are central to this mission, crafting seamless and powerful experiences that our customers depend on daily. As a Senior Backend Engineer, you will join a collaborative and high-impact team dedicated to developing scalable and reliable systems behind some of the web's most intuitive tools. Whether you bring three years or two decades of experience, if you are driven by a passion for designing elegant solutions, we invite you to connect with us. This is a hybrid position, requiring three days per week in our NYC office, reporting directly to the Engineering Team Manager. We are actively hiring across multiple significant R&D teams. Based on your expertise and interests, you may have the opportunity to join one of the following: Identity and Access Management (IAM) - responsible for developing and maintaining the fundamental systems that ensure secure access across our platform for both customers and internal teams, focusing on core functionalities such as authentication, authorization, and session management. Communications Platform - provides tools and services that facilitate effortless communication between our product teams and customers at scale. Our goal is to create user-friendly and impactful platforms. This role is high-visibility and high-impact as our work is utilized by a majority of product teams. Your Responsibilities Include: Developing scalable backend services using Java and related technologies. Writing clean, efficient code that supports high-traffic, production-ready systems. Contributing to design decisions and taking part in architectural discussions. Collaborating with engineers, designers, and product managers. Creating features from initial concept through to implementation and launch.

At Profound, we are dedicated to empowering businesses to comprehend and manage their AI presence effectively. As an Infrastructure Software Engineer, you will play a pivotal role in building and scaling the systems that facilitate our rapid expansion. Your primary focus will be on ensuring that our infrastructure is not only highly available but also cost-efficient and capable of managing significant traffic and compute demands. You will collaborate closely with engineers across product, research, and operations teams to design scalable architectures, streamline deployment processes, and enhance system observability.Your ResponsibilitiesDesign and maintain core infrastructure across diverse cloud environments.Develop infrastructure-as-code workflows to automate deployment and scaling processes.Enhance monitoring, logging, and alerting systems to ensure system reliability.Oversee CI/CD pipelines to facilitate seamless deployments.Assist in disaster recovery planning to guarantee high system availability.Collaborate with product and research teams to design architectures that can scale with increasing workload demands.Identify and resolve performance bottlenecks in compute, storage, and networking.Implement security best practices and compliance frameworks across the infrastructure.

At Bubble, our mission is clear: we strive to empower everyone to create software. We believe that every idea deserves a chance to become a reality, which is why we are dedicated to making software creation accessible to all. Our innovative AI visual development platform allows anyone—whether a first-time entrepreneur or part of a large enterprise team—to transform an idea from concept to a fully functional, scalable application across web, iOS, and Android. And the best part? You can do it all without writing or managing a single line of code.As the only comprehensive full-stack, cross-device no-code platform in existence, Bubble serves over 5 million users in more than 100 countries, breaking the barriers to entrepreneurship and innovation worldwide.Our Achievements:Our product is not just functional; it’s thriving. Entire VC-backed companies have been successfully built using Bubble. After discovering product-market fit and eight years of bootstrapping, we secured a $100 million Series A investment and established ourselves as one of the fastest-growing companies in New York’s tech ecosystem.With Bubble, you can build virtually anything—and our community exemplifies this. Beyond merely launching products, users are transforming their visions into real businesses. For instance, Mailead turned a $10,000 investment in a Bubble product into a $2 million valuation, while Faceless.video achieved over $1 million in annual recurring revenue in under a year, among numerous other success stories.About Our Team:We are expanding our AI Engineering Team to pioneer next-generation AI-powered development workflows. Our objective is to facilitate AI-assisted full-stack development, empowering users to describe their applications in natural language while AI generates, modifies, and enhances their apps seamlessly. As a Senior AI Software Engineer, you will play a key role in shaping and developing the future of AI-powered development at Bubble. Your responsibilities will include working on LLM-driven product features, designing agentic workflows, and developing private models trained on proprietary Bubble datasets. Collaboration with product, infrastructure, and research teams will be essential as we push the boundaries of AI-driven development.

Company OverviewAt Tennr, we are revolutionizing the referral process in healthcare. When patients receive a referral from their doctors, the wait can often feel endless—sometimes lasting days, weeks, or even months. This delay is largely due to the overwhelming volume of referrals and the cumbersome manual processes that can hinder timely action. With our innovative technology powered by RaeLM™, Tennr ensures that every referral reaches its destination swiftly and accurately, with all necessary information in hand. We empower providers to capture more referrals, minimize denials, and eliminate waiting times.Role OverviewWe are on the lookout for a dedicated Backend Software Engineer who specializes in systems architecture, data modeling, and large-scale workflow orchestration. In this pivotal role, you will architect and implement features across our backend services and infrastructure, delivering significant value to our customers. Your responsibilities will include designing and optimizing data schemas, developing resilient backend services, and ensuring seamless integration with third-party systems.You will spearhead initiatives focused on high-volume workflow automation, emphasizing the creation and optimization of scalable data processing and machine learning infrastructure. This encompasses the design and maintenance of complex workflows that harness ML for automation, alongside performance optimization efforts to guarantee scalability and reliability throughout the stack.Collaboration is essential in this role. You will work closely with our sales and customer experience teams to incorporate valuable customer feedback, and partner with engineering colleagues to bring robust solutions to life. We are seeking someone who embodies a founder's mindset, excels in systems-wide thinking, and proactively drives projects from inception to completion.The ideal candidate will have substantial experience with backend architecture, event-driven systems, and orchestration frameworks, showcasing a proven history of developing production-ready systems. You will play a crucial role in shaping the technical foundation of our platform, ensuring its reliability, scalability, and adaptability as we continue to grow.

About the Role:Parker is dedicated to a bold mission: empowering individuals to achieve financial independence. We believe that by providing independent business owners with essential financial tools, we can help them scale their operations profitably.Our flagship product merges a virtual corporate card with financial software designed for profitability, enabling eCommerce merchants to accelerate growth while effectively managing their margins.To date, we have successfully raised over $180M from top-tier investors, including Valar Ventures, Y Combinator, SVB, and industry pioneers such as Solomon Hykes (Docker), Paul Buchheit (Gmail), Paul Graham (Y Combinator), and Robert Leshner (Compound).As a dynamic Series B fintech, we are rapidly expanding, boasting a robust product-market fit, a burgeoning customer base, and a team driven by technical excellence and impactful solutions.We are seeking a Senior Software Engineer – Backend to architect, develop, and scale the critical systems that underpin Parker’s financial platform. In this pivotal leadership role, you will influence backend architecture, data infrastructure, and engineering best practices during our growth phase.You will work collaboratively with Product, Infrastructure, and Data teams to deliver high-performance, reliable systems that handle billions in transactions and empower thousands of merchants. This high-impact position is ideal for engineers who thrive on ownership, relish the challenge of complex systems, and prioritize elegant, maintainable solutions.What You’ll Do:Design and scale backend services that drive Parker’s financial products and APIs.Lead architectural strategies to guarantee performance, reliability, and scalability across our systems.Develop and maintain services in a modern cloud-native environment (Node.js, PostgreSQL, Docker, Kubernetes, AWS).Collaborate with product and infrastructure teams to create secure, user-friendly APIs and data models.Promote engineering excellence through code reviews, mentorship, and architectural guidance.Identify performance issues and spearhead initiatives to enhance reliability, observability, and system design.Contribute to the advancement of Parker’s technical roadmap and long-term engineering vision.

Join posh as a Senior Software Engineer - Growth, where you will play a pivotal role in driving our growth initiatives. You will collaborate with cross-functional teams to develop innovative software solutions that enhance user experience and drive engagement. We are looking for a passionate engineer who thrives in a fast-paced environment and is eager to contribute to our dynamic team.

About AlphaSense: AlphaSense empowers the world's leading companies to eliminate uncertainty in decision-making. Our platform, founded on advanced AI technology, delivers essential insights from both public and private content, including equity research, company filings, event transcripts, expert calls, news, trade journals, and proprietary research. In 2024, AlphaSense enhanced its mission by acquiring Tegus, furthering our goal to provide professionals with AI-driven market intelligence. This collaboration will accelerate our growth and innovation, combining our product and content offerings to deliver even deeper insights from a wealth of information. Trusted by over 6,000 enterprise clients, including a majority of the S&P 500, AlphaSense has been at the forefront of market intelligence since its inception in 2011. Headquartered in New York City, we have grown to over 2,000 employees globally, with offices in the U.S., U.K., Finland, India, Singapore, Canada, and Ireland. Join us on this exciting journey!About the Team:Our dynamic Product & Engineering team thrives on innovation, collaboration, and continuous enhancement of our platform. We foster an engaging work environment that encourages personal and professional growth while developing pioneering technology that shapes the future of AI and search.At AlphaSense, we value diverse backgrounds and perspectives as vital to our success. We are dedicated to fostering an inclusive workplace where every employee feels respected and empowered to express their authentic selves.About the Role: We are on the lookout for a Principal Engineer to spearhead the design, evolution, and reliability of our global financial data extraction and normalization platform. This system processes filings in various formats (HTML, PDF, APIs, spreadsheets), utilizes a mix of AI and deterministic methods to extract and standardize financial data, and delivers reliable, traceable outputs at scale to financial services teams and customers.In this role, you will own the self-sourcing and extraction foundation utilized by multiple teams across the organization. Currently, human validation acts as a safeguard. Your objective is to systematically diminish human reliance by enhancing system accuracy, confidence, and trust, without compromising speed or scalability.

Traba connects industrial businesses with thoroughly vetted workers, aiming to make workforce management more efficient and dependable. The company focuses on orchestrated multi-agent AI workflows to optimize supply chain operations. Investors include Founders Fund, Khosla Ventures, and General Catalyst. This Staff Software Engineer role is part of Traba’s founding team in New York City. The position focuses on backend services and platform development, with a direct line to the CTO. This engineer will help set the technical direction and build systems that support Traba’s long-term growth. What you will do Design and develop core backend services and platform components Collaborate with the CTO on architectural decisions and technical strategy Contribute to defining and refining the product and technology roadmap Build foundational systems to enable Traba’s scaling and future expansion