Software Engineering Internship at Mechanize | San Francisco

Join our dynamic core engineering team at AfterQuery, where you'll play a pivotal role in developing cutting-edge data infrastructure that will influence the advancement of frontier AI models. This position offers substantial responsibility, allowing you to oversee entire projects from inception to completion—providing immediate visibility of your contributions.Company OverviewAfterQuery is an innovative research lab at the forefront of artificial intelligence, exploring its limits and potential through unique datasets and experiments. Our primary clientele consists of foundation model labs, making us a vital partner for leading AI research labs worldwide.Headquartered in San Francisco, CA, we have garnered support from top-tier investors including Y Combinator, BoxGroup, and former partners from Lightspeed and Index Ventures, as well as prominent figures from Google DeepMind and Meta GenAI.Our founding team is composed of experts from prestigious organizations such as Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, Morgan Stanley, Silver Lake, and leading AI research institutions like Berkeley AI Research (BAIR) and Stanford AI Laboratory (SAIL).Why You Should ApplySignificant Growth Potential: As one of the fastest-growing YC companies, we are poised to set records in our sector.Founding Role: Take charge of our data infrastructure from day one and leave your mark.Exceptional Team: Collaborate with a founding team that boasts experience from top firms like Citadel Securities, Meta, and Google.Key ResponsibilitiesDesign and implement complex data capturing workflows across web (Next.js) and desktop (Python) environments.Architect and enhance data pipelines to handle high throughput and heavy loads efficiently.Work closely with the founding team to shape product strategy and rapidly deploy features.Establish engineering best practices and prepare for future team expansion.Essential QualificationsMust be able to take a gap semester and work on-site in San Francisco.Proficient in JavaScript (Next.js) and Python, with a proven track record of developing full-stack web applications.Experience with serverless architecture and cloud services (GCP/AWS) for intensive data processing.Familiarity with caching (Redis), indexing (Elasticsearch), and message queues (Kafka) is a plus.

AfterQuery is an innovative research laboratory at the forefront of artificial intelligence exploration. Our mission is to create pioneering datasets and conduct experiments that fuel the development of next-generation AI foundation models. We proudly serve prominent frontier AI laboratories, and our work is supported by esteemed investors and a distinguished founding team. Join us in shaping the future of AI and human data creation.Why Join Us?Contribute to a company that is significantly impacting the future of AI technology.Collaborate closely with an exceptional founding team with backgrounds from leading tech and finance companies.Seize a unique opportunity to shape and expand our marketing strategy from the outset.Enjoy competitive compensation along with ample growth and learning opportunities.ResponsibilitiesDevelop and implement AfterQuery’s comprehensive go-to-market and brand strategies targeting technical and enterprise audiences.Design, execute, and refine multi-channel marketing campaigns aimed at increasing awareness, product adoption, and customer engagement within frontier AI labs.Collaborate with founders and technical teams to create compelling messaging around our products and innovations.Lead the creation of marketing content, including case studies, whitepapers, presentations, and press releases.Analyze the effectiveness of campaigns, optimize marketing strategies, and report on key performance indicators.Represent AfterQuery at industry events, conferences, and online forums.Requirements2-5 years of marketing experience, preferably in product marketing or growth within a B2B or technical environment (experience in AI, software, or data infrastructure is a significant advantage).Thorough understanding of AI, machine learning, and the evolving landscape of foundation models.Excellent communication skills with a track record of crafting effective positioning and messaging for technical audiences.Demonstrated success in launching and scaling marketing campaigns with measurable outcomes.Experience in fast-paced startup or research lab settings.Proactive, adaptable, and capable of executing tasks independently while wearing multiple hats.Preferred QualificationsExperience in managing teams or projects.

Join AfterQuery, an innovative research lab at the forefront of artificial intelligence exploration. We focus on pioneering new datasets and experimentation that fuel the development of next-generation foundation models. Our clientele consists of major AI laboratories at the cutting edge of technology. Supported by esteemed investors and an exceptional founding team, we lead the charge in AI innovation and human data creation.Why You Should Join Us?Contribute to a company that is shaping the future of AI.Collaborate with an outstanding founding team with experience from top technology and finance organizations.Seize the unique opportunity to support and enhance our operations alongside the founding team.Enjoy competitive compensation and significant opportunities for personal and professional growth.Your ResponsibilitiesOversee executive calendars, manage scheduling, and ensure effective coordination.Facilitate meetings with internal teams, partners, and clients, ensuring all materials are prepared and follow-ups are completed.Assist founders with various administrative, operational, and organizational tasks to enhance overall efficiency.Support the coordination of company communications, documentation, and internal processes.Manage logistics for company events, meetings, and conferences.Oversee and manage administrative workflows and operational tasks across the team.Ensure seamless day-to-day operations by proactively identifying and addressing administrative needs.What We’re Looking For2–5 years of experience in executive assistance, operations, administrative support, or a comparable role (startup or tech experience is a significant advantage).Exceptional organizational skills with the capability to prioritize multiple tasks in a dynamic environment.Strong communicator with a proven track record of coordinating across teams and stakeholders.Demonstrated ability to efficiently manage schedules, logistics, and administrative processes.Must be based in the US (candidates from other countries will not be considered), preferably on the West Coast (CA, WA, OR, NV).Ability to work remotely while adhering to Pacific Standard Time (PST) hours.

Join AfterQuery as a Growth Associate and play a pivotal role in designing and scaling our expert supply engine that fuels cutting-edge AI training. You will be responsible for both manual and automated pipelines aimed at expanding our expert network from 100,000 to several hundred thousand professionals. This unique role intertwines automation engineering, talent acquisition, marketing, conference organization, partnership development, and distribution strategies.Unlike traditional growth positions, this operational and strategic role works closely with our founding team. You will conceptualize scalable systems, execute experiments, recruit top-tier experts and operators, create automation frameworks, represent AfterQuery at industry events, and spearhead brand enhancement initiatives.

Join AfterQuery this summer as a Growth Intern, where you will empower our expert network, ignite on-campus engagement, and spearhead pioneering initiatives to influence the future of AI and startups. This is a unique opportunity for ambitious undergraduate students to immerse themselves in a transformative role, gaining invaluable experience and insights while benefiting from exceptional incentives and career pathways.About AfterQueryAt AfterQuery, we are at the forefront of AI research, pushing the limits of artificial intelligence through innovative datasets and experimental methodologies. Our primary clients are leading foundation model labs, and we are proud to serve the most advanced AI laboratories. Based in San Francisco, CA, we have secured investments from premier venture capitalists, including Y Combinator.Who We’re Looking ForUndergraduate students who are rising seniors or seniors graduating in Fall 2026, ready to make an impact early in their careers.Experience in Sales, Recruiting, or similar sourcing roles.A robust and genuine presence on platforms like LinkedIn, X, and Instagram.Proven experience in building or nurturing communities, whether on campus or online.A passion for AI and the startup ecosystem.Outgoing, socially confident, and proactive individuals.Why Join UsGain access to exclusive educational resources, industry benchmarks, and insights at the cutting edge of Artificial Intelligence.Collaborate in person at our state-of-the-art San Francisco office with direct access to the founding team.Clear pathways to full-time roles with AfterQuery upon graduation.Recognition for outstanding contributions to growth.Competitive compensation.Daily meals provided.Fully stocked pantry for your convenience.Uber rides home from the office.Optional Sunday night team dinners to foster camaraderie.Your ResponsibilitiesIdentify, source, and evaluate high-quality candidates for our expert network.

AfterQuery creates training data and evaluation frameworks for leading AI labs, partnering closely with top research teams to deliver high-signal datasets and advanced model evaluations. As a post-Series A startup based in San Francisco, the company offers each team member the chance to shape both its direction and the broader future of AI development. Role overview The Customer Success Lead focuses on building and expanding relationships with AfterQuery’s AI lab and enterprise clients. This position works with the Strategic Projects team to ensure customers gain maximum value from data and evaluation products. The role includes identifying opportunities for account growth, encouraging satisfied customers to become advocates, and helping to define the company’s customer success strategy. Close collaboration with the founding team and executive leadership is a key part of the job, with an emphasis on developing long-term partnerships. What you will do Strengthen relationships with existing clients in AI labs and enterprise organizations. Lead regular business reviews and strategic discussions with client stakeholders. Identify and drive expansion within accounts, such as new use cases or product lines. Partner with operations and engineering teams to address customer needs and act on feedback. Create and implement customer success playbooks, onboarding, and account growth strategies. Track customer health metrics, usage, and satisfaction to resolve issues proactively. Organize customer advisory boards, user groups, and feedback sessions to support product development. Requirements 3-5 years of experience in Customer Success, Account Management, or Customer Engagement, ideally within DaaS, AI, or B2B SaaS. Technical knowledge to discuss AI and machine learning topics such as model training, evaluation, and data quality with technical teams. Demonstrated success in driving account growth and expansion, measured by net dollar retention, usage growth, or contract renewals. Location San Francisco

This internship may lead to a full-time opportunity as a Strategic Projects Associate.AfterQuery is in search of talented individuals for our Strategic Projects Intern role. This position is unique as you will collaborate directly with our founding team on critical projects involving product development, research, and operational strategies.Company OverviewAfterQuery is an innovative research lab focused on exploring the potential and limits of artificial intelligence through pioneering datasets and experimental methodologies. We cater to foundational model labs and serve all leading AI research facilities.Located in San Francisco, CA, we have secured funding from prominent investors, including Y Combinator, BoxGroup, and former partners from Lightspeed and Index Ventures, as well as senior figures from Google DeepMind and Meta GenAI.Our founding team boasts diverse backgrounds from esteemed organizations such as Jane Street, Meta, Citadel Securities, Google, Goldman Sachs, Morgan Stanley, Silver Lake, Berkeley Artificial Intelligence Research (BAIR), and Stanford Artificial Intelligence Laboratory (SAIL).Key ResponsibilitiesCollaborate closely with top AI laboratories to develop cutting-edge datasets that expand the horizons of AI, directly contributing to revenue generation for the company.Lead teams of professionals across diverse fields such as finance, software engineering, and legal.Draft and implement sales memos and assist in the creation of data samples.Provide support across various operational tasks.

Sieve is an AI research lab based in San Francisco, focused on large-scale video data. The team builds and maintains infrastructure capable of handling exabyte-scale video, while developing advanced methods for video understanding. Sieve also curates extensive and diverse datasets to support new approaches in video modeling. With video now accounting for a significant portion of internet traffic, the company aims to remove barriers to high-quality training data for fields like creativity, communication, gaming, AR/VR, and robotics. The company recently completed its Series A and is backed by investors including Matrix Partners, Swift Ventures, Y Combinator, and AI Grant. Sieve has worked with leading AI labs and continues to grow, generating $XXM last quarter with a small team of 15. Role overview The Software Engineering Intern at Sieve works across the stack to help build and scale data pipelines that deliver video datasets to clients. This role involves taking full ownership of projects, from sourcing and curating video data to developing machine learning filters, improving system efficiency, and building internal dashboards for quality assurance and delivery. The work directly impacts the timely delivery of high-quality data to customers. What you will do Build and scale data pipelines for delivering video datasets Source and curate video data for a range of applications Develop and refine machine learning filters to enhance data quality Improve system efficiency and reliability Create internal dashboards for quality assurance and delivery tracking Who thrives here This internship is well suited to those who enjoy solving complex technical problems, want to collaborate directly with customers at the forefront of Video AI, and seek meaningful challenges in a high-performance setting.

Netic stands at the forefront of artificial intelligence innovations, empowering essential services that serve as the backbone of the American economy.With an impressive $43 million in funding from renowned investors such as Founders Fund, Greylock, Hanabi, and Dylan Field, who spearheaded our Series B, we've enabled our clients to secure numerous jobs across various service industries in North America. Today, there are businesses that operate solely on an AI-first approach using Netic.Join our dynamic team comprised of relentless builders from top companies like Scale, Databricks, HRT, Meta, along with graduates from prestigious institutions like MIT, Stanford, and Harvard, as we integrate frontier AI into the physical economy, tackling complex challenges with immediate and tangible impacts.At Netic, we create features that empower businesses through AI. As an intern, you will receive dedicated mentorship guiding you through the entire process of supporting customers, launching features, and iterating swiftly.This internship spans 12 weeks and is set to commence in the Summer of 2026 or earlier.

This position offers flexibility for both Remote (US) and in-person roles based in San Francisco, CA.About OliveAt Olive, we’re revolutionizing how companies develop internal tools by enabling them to articulate their needs using natural language.From dynamic sales dashboards to comprehensive trust & safety workflows, internal tools serve as the operational backbone for today’s enterprises. However, creating these tools has traditionally been a slow and tedious process that drains engineering resources.Olive changes the game by transforming simple prompts into fully functional, full-stack internal tools connected to organizational data in mere minutes. Our innovative platform harnesses the power of large language models (LLMs) and advanced code generation techniques to deliver production-ready tools that provide unprecedented insights and operational efficiency.With a successful $2.1M seed funding round from top-tier investors and angel backers, we are on an exciting trajectory to scale our talented team.This role presents an exceptional opportunity to contribute to a challenging yet impactful project, characterized by speed and a strong focus on delivering results. If this sounds exciting to you, we encourage you to apply.The RoleWe are seeking a highly motivated Software Engineering Intern to join our team for the upcoming summer (or fall/spring semester). You will collaborate closely with our founders, engage across the tech stack, and explore the boundaries of robust full-stack software development leveraging AI. This is a paid internship.In this role, you will play a critical part in building on our LLMs and agentic workflows to facilitate code generation, deployment, and tool utilization for enterprise applications. By the end of the internship, you will have developed significant features and functionality that will make a tangible difference.Our team is vibrant, hardworking, and supportive, always prioritizing the customer experience to craft delightful product interactions.

Senior Software Engineer, Infrastructure & PlatformRole OverviewIn the role of Senior Software Engineer, Infrastructure & Platform at AfterQuery, you will take on the exciting challenge of designing and constructing the essential infrastructure that drives our innovative data generation, evaluation, and agentic systems.Your responsibilities will include developing shared platforms that empower our engineering and research teams to execute large-scale human-in-the-loop workflows, evaluation harnesses, and automated data pipelines essential for training cutting-edge AI models.This position demands a high level of technical expertise and offers extensive ownership. You will be responsible for architecting and building the foundational infrastructure relied upon by numerous engineers, ensuring that systems are scalable, reliable, and capable of handling high-throughput workloads.Collaboration with the founding team will be key as you define system architecture, establish best engineering practices, and create the infrastructure that supports the evolution of AI development.

About TacitTacit is an innovative deep tech startup located in the heart of San Francisco, pioneering hardware solutions that redefine human-computer interaction. Supported by prominent investors such as General Catalyst, Khosla Ventures, and Greylock Partners, our founding team comprises experts from esteemed organizations like Stanford, BrainGate, Oculus, and Tesla. While our groundbreaking products are still under wraps, our team is dedicated to tackling formidable engineering challenges to revolutionize the tech landscape.About the RoleWe are looking for an enthusiastic Software Engineering Intern to contribute to the development of the next generation of human-computer interfaces. This internship offers invaluable hands-on experience in both front-end and back-end development, focusing on creating user-centric applications and aiding internal research processes. You will collaborate closely with a talented team of engineers, designers, and researchers to bring innovative interaction paradigms to fruition.Key ResponsibilitiesDesign and implement applications for web, mobile, and embedded clients that interface with our hardware.Build backend services for real-time interaction and seamless data streaming.Develop internal tools for data labeling, visualization, and debugging purposes.Rapidly prototype new user experiences utilizing novel input methods.Collaborate with full-time engineers to deploy stable, high-performance software solutions.Document engineering insights and articulate design decisions effectively.Preferred QualificationsProficiency in Python, TypeScript, React, Linux, and command-line development.Demonstrated ability to work independently, with a strong sense of flexibility and resourcefulness.Excellent communication and teamwork skills.Ability to thrive in a fast-paced startup environment, with a keen interest in independent project development.CompensationHourly compensation will be determined based on your individual skills and experience.

Join Exa, a pioneering company dedicated to revolutionizing the AI landscape by developing an advanced search engine from the ground up. Our mission is to create robust infrastructure that efficiently crawls the web, trains cutting-edge embedding models for indexing, and builds high-performance vector databases in Rust for rapid searches. We proudly operate a $5M H200 GPU cluster that powers tens of thousands of machines, demonstrating our commitment to excellence in technology.As a Software Engineering Intern, you will be an integral part of our innovative projects, contributing your skills to a variety of tasks. We value flexibility and encourage you to choose projects that align with your strengths and interests.

About CluelyAt Cluely, we are revolutionizing the way people interact with AI by providing unparalleled advantages in diverse situations. Our innovative desktop assistant leverages screen, microphone, and audio context to deliver insights and suggestions that traditional models fail to offer due to contextual limitations.Our success hinges on two key factors:1) Chatbots are not the ideal interface for multi-modal AI.2) We possess the ability to make anything go viral.About the RoleAs an Engineering Intern at Cluely, you will be immersed in a dynamic environment where our engineering team works six days a week in-person in San Francisco, dedicating 10-12 hours each day. We provide housing within a block of the office to ensure your convenience and focus.Our engineering team comprises both seasoned professionals and ambitious young talent, creating a unique blend of skills and creativity. For more insights into our team, check out this link.Ideal Candidate ProfileYou are among the top engineers globally.You are willing to invest your life in the pursuit of greatness.

Join Condor Software as a Full-Stack Platform EngineerAt Condor, we are revolutionizing the financial infrastructure that supports clinical development. With billions invested annually in discovering and developing new therapies, we strive to connect clinical operations and finance into a cohesive system. By integrating real-time financial intelligence, we empower R&D and finance leaders with the tools they need to make informed, high-stakes decisions.We are an AI-driven, pharma-native infrastructure provider, scaling industry standards in collaboration with top-tier partners. Our platform facilitates prediction, control, and execution in the most complex R&D environments worldwide.The Importance of Your RoleHaving established ourselves as a trusted partner for enterprise teams, we are now focused on the challenging task of scaling our platform to meet increasing demands. As a rapidly growing company, backed by prominent investors like Felicis and 645 Ventures, this is a unique opportunity to contribute to the foundational infrastructure that will redefine how therapies reach patients.Your ResponsibilitiesAs a Full-Stack Platform Engineer, you will be pivotal in building and scaling the core platform that supports the financial intelligence infrastructure relied upon by leading biopharma companies. This role encompasses critical engineering tasks at the intersection of backend systems, cloud infrastructure, and intelligent automation, with a strong emphasis on reliability and scalability.Your primary focus will be on backend architecture, where you'll design and implement services that drive complex financial and operational workflows. You'll be instrumental in shaping data flow, workflow orchestration, and enabling emerging AI-driven capabilities. This role goes beyond simple integration; you'll be crafting robust primitives that support other teams as our product and customer base expand.Working as a core member of a cross-functional product team, you will closely collaborate with product managers, designers, quality engineers, and data specialists to transition features from concept to production. While backend expertise is crucial, you will also engage across the stack to ensure the platform's capabilities are effectively leveraged.

About OliveAt Olive, we are revolutionizing the way companies build internal tools by enabling them to create sophisticated applications simply by expressing their needs in natural language.Internal tools are crucial for modern organizations, serving as the operational backbone for various functions, from sales dashboards to trust and safety workflows. Currently, the process of developing these tools is cumbersome and time-consuming, often draining engineering resources.Our innovative platform leverages advanced large language models (LLMs) and code generation techniques to assemble fully functional internal tools in mere minutes, seamlessly integrated with company data. This empowers businesses to gain deeper insights and enhance their operational efficiency.Having secured a $2.1M seed funding from esteemed investors and industry pioneers, we are now in an exciting phase of expanding our team.This position offers a unique chance to contribute to a transformative project that demands both skill and speed. If you are passionate about making a significant impact, we encourage you to apply.

SquareTrade delivers protection plans and insurance products to a large customer base. The Engineering team develops and maintains the systems behind these services, ensuring reliability and efficiency. Role overview The Software Engineer position in San Francisco centers on building and enhancing technology that supports SquareTrade’s commitment to customer service. This role involves tackling projects that promote technical growth and hands-on problem-solving. What you will do Contribute to the design, development, and maintenance of systems supporting SquareTrade’s services Work with other engineers to solve technical challenges and improve existing solutions Participate in projects that encourage learning and skill development Location This position is based in San Francisco.

Director of OperationsAfterQuery is seeking a dynamic Director of Operations to lead the delivery of high-quality human data to cutting-edge AI laboratories. In this pivotal role, you will design and implement the organizational framework necessary to scale our operations effectively, oversee internal teams, and manage projects involving potentially thousands of contractors. You will establish critical operational metrics and collaborate closely with engineering teams to optimize our data production engine, ensuring timely and efficient data delivery at AfterQuery. This is an impactful leadership position for an individual eager to strengthen the operational backbone of a rapidly expanding human data enterprise.Company OverviewAfterQuery operates at the forefront of artificial intelligence research, exploring the limits and potentials of AI through innovative datasets and experimentation. Our clientele consists of leading foundation model labs, positioning us to serve the most advanced AI development groups globally.Headquartered in San Francisco, CA, we have garnered support from prestigious investors such as Y Combinator and BoxGroup, alongside industry veterans from Lightspeed, Index Ventures, Google DeepMind, and Meta GenAI.Our founding team is composed of experts from renowned firms such as Jane Street, Meta, Citadel Securities, Google, Palantir, Goldman Sachs, Morgan Stanley, and Silver Lake.Why Join UsUnmatched Growth Potential: Our rapid expansion has led us to achieve millions in monthly revenue in less than a year. The foundation model labs are growing at an unprecedented pace, and we are at the epicenter of this transformation, providing the essential data and infrastructure to advance the frontier.Foundational Leadership Role: Take charge from day one and shape the future of the company.Competitive Compensation: Enjoy a competitive salary coupled with meaningful equity in a fast-scaling organization.Exceptional Team: Collaborate with a high-caliber founding team composed of talent that has transitioned from prestigious firms including Citadel Securities, Jane Street, Meta, Palantir, Goldman Sachs, and Morgan Stanley. Experience unparalleled exposure at the forefront of AI with the most talented group you’ve ever worked with.The RoleEstablish the operational foundation of a company collaborating with leading AI labs.Oversee a wide range of responsibilities encompassing human data delivery, people operations, management, and finance/legal.Engage in a mission-driven, agile culture that values curiosity, pragmatism, and excellence.Work directly with founders on strategic initiatives and resource management.ResponsibilitiesOrganizational leadership and development.Data management and operational oversight.Collaboration with cross-functional teams to optimize performance.Evaluation and enhancement of operational processes.

Join our dynamic team at reteam as a Software Engineer in the vibrant city of San Francisco! We are seeking innovative and driven individuals to contribute to our technology initiatives.In this role, you will have the opportunity to work on exciting projects that push the boundaries of software development.