Founding Engineer at mlabs | New York

Founding EngineerLocation: New York, NYOn-site | Full-timeCompensation: $150K - $350KJoin a dynamic, venture-backed startup on a revolutionary journey to redefine technical interviewing and reshape the expansive $600 billion staffing sector. Our client is pioneering innovative methods that transcend traditional coding challenges, enabling organizations to better identify talent, prevent fraud, and showcase elite candidates to Fortune 500 companies.At this pivotal moment of growth, having achieved product-market fit and now scaling rapidly, the company has secured a $3.1 million seed round from distinguished investors, including GSV Ventures, BoxGroup, and notable angel investors from OpenAI, SpaceX, and Retool. With revenue exceeding seven figures, their clientele includes top enterprise staffing firms, including the world’s largest staffing company.We are looking for a Founding Engineer to become part of a highly skilled team of seven, comprised of talent from prestigious institutions and renowned companies like Stanford, Penn, Waterloo, Retool, and MongoDB. This role is ideal for an innovative builder eager to take ownership of critical systems and set technical standards for an entire industry.Key Responsibilities:Innovation in Evaluation: Develop and establish new benchmarks for technical interviewing, creating systems that replace outdated evaluation techniques and deliver high-fidelity talent assessments.AI Implementation: Leverage AI and machine learning to detect fraudulent activities, identify intricate patterns in candidate performance, and expedite the hiring process.System Architecture: Architect, develop, and maintain essential full-stack systems from scratch, ensuring optimal performance and scalability.End-to-End Ownership: Oversee features and systems throughout their entire lifecycle—from initial concept and architectural design to deployment and monitoring.Strategic Input: As one of the first engineering hires, contribute significantly to shaping the technical roadmap and making critical architectural decisions.Requirements:Technical Proficiency: Minimum of 4 years of experience in modern full-stack development with advanced skills in React, Node.js, and Python (or similar frameworks).Infrastructure Knowledge: Experience managing cloud-native infrastructure within AWS, GCP, or Azure.Startup Mindset: Proven ability to excel in a fast-paced, high-performance startup environment where ambiguity is prevalent.Coding Fundamentals: Highly technical with a deep understanding of coding principles.

We are seeking a talented and driven Full Stack Engineer to join our dynamic team at mlabs in New York. In this role, you will be responsible for developing and maintaining our web applications, ensuring a seamless user experience while collaborating with cross-functional teams to deliver high-quality software solutions.

Reinforcement Learning EngineerJoin our innovative team at mlabs, a leading software development firm at the forefront of decentralized finance. We are dedicated to building the infrastructure for the world's largest crypto social networks and digital asset launchpads. Our mission-driven group of builders values speed, technical excellence, and exceptional talent.We are currently looking for a Reinforcement Learning (RL) Engineer who will be responsible for the end-to-end development of an RL-driven trading agent. This role involves managing real capital to enhance trading volume and user engagement within a dynamic memecoin ecosystem. The ideal candidate is an expert capable of integrating advanced modeling techniques with live financial operations. You will play a pivotal role in transitioning existing heuristic-based systems to learning-based methodologies while adhering to strict risk management protocols in a global 24/7 market.Key Responsibilities:Autonomous Agent Development: Lead the design, delivery, and refinement of an RL-driven trading agent to boost ecosystem engagement.Objective Function Design: Create reward functions and policies closely aligned with product objectives while implementing strict downside risk management.Validation Frameworks: Develop comprehensive evaluation and validation frameworks, including simulations and offline analyses, to minimize dependence on live testing.System Transition: Oversee the transition of existing heuristic-based systems to cutting-edge learning-based approaches safely.Technical Leadership: Act as the sole RL expert within a compact, high-performing team, responsible for the entire lifecycle from data modeling and deployment to monitoring and risk management.Interview Process:Recruiter / HR Call: Initial screening to discuss your professional background, risk management philosophy, and cultural fit.Technical Interview: In-depth assessment of RL architecture, simulation frameworks, and experience in live production.Final Interview: Strategic discussion with leadership focusing on alignment with our mission, role expectations, and long-term goals.

Founding New Business Lead (Join Our Pioneering GTM Team)Location: New York CityOn-site | Full-timeCompensation: $100K - $120KJoin mlabs, a dynamic venture-backed startup that is transforming the $600B+ staffing industry with our innovative technical interviewing platform. We empower recruiting firms to reduce fraud and uncover top talent confidently, establishing ourselves as a vital partner for leading enterprise staffing organizations worldwide.Having achieved seven-figure revenues with a talented team from esteemed institutions like Stanford, Penn, and Waterloo, we seek a Founding New Business Lead. This pivotal Go-To-Market role is ideal for an energetic sales professional eager to transcend traditional sales models. The chosen candidate will spearhead outbound initiatives, influence our GTM strategy, and thrive in a well-funded environment backed by a $3.1M seed round from top-tier investors, including BoxGroup, GSV Ventures, and visionary angels from OpenAI and SpaceX.Key Responsibilities:Outbound Ownership: Manage the complete prospecting cycle for staffing and recruiting firms, from market research to securing high-quality meetings with leadership.GTM Strategy: Collaborate closely with our founding team to explore new communication channels, messaging strategies, and Go-To-Market initiatives.Targeting & Research: Develop and enhance lists of high-value target accounts, pinpointing key decision-makers in leading staffing firms.Personalized Outreach: Design and implement tailored outreach strategies that effectively address challenges in technical hiring and fraud detection.Pipeline Development: Ensure a steady flow of high-quality pipeline while maintaining a focus on activity targets and conversion metrics.

About TheraThera is revolutionizing the financial landscape for modern small and medium-sized businesses (SMBs) by creating an integrated financial operating system that encompasses payroll, payments, treasury management, spending, accounting, and documentation — all within a single ecosystem. Our vision is supported by leading investors, including Y Combinator, 10X Founders, Zillionize, Amino Capital, and others.As a Founding Engineer, you will play a pivotal role in designing, developing, and scaling the foundational systems that facilitate global payroll and financial transactions. You will collaborate closely with the CEO, rapidly deliver solutions, take ownership of significant product features, and influence the engineering culture from the outset.What You Will CreateInnovative products spanning our comprehensive ecosystem, including Spend, Docs, Cash, and Accounting modules.About You3–7+ years of experience in building and deploying production systems.You excel in uncertain environments, work swiftly, and have a strong commitment to your craft.Proficient in managing the complete lifecycle of 0→1 features.You have a proactive approach, favor straightforward solutions, and uphold high standards.Experience with Typescript, Java, or Kotlin is preferred.Why Choose Thera?This is a genuine founding opportunity: substantial ownership, significant equity, direct influence on product development and company culture, and the chance to establish one of the most impactful fintech platforms of the next decade.Discover more about our cultural principles here: https://www.getthera.com/principles

Join clera as a Founding Engineer and be a pivotal part of our innovative team. As we embark on our journey with a $3 million pre-seed funding, we are looking for talented engineers who are eager to shape the future of our company. This role offers a unique opportunity to work collaboratively with our founding team to develop cutting-edge solutions and drive our technology forward.

About UsAt Ambral, we are pioneering the development of digital models that accurately predict individual and team behaviors. Our innovative 'digital twins' synthesize multiple signals—ranging from product telemetry and customer interactions to operational data—into a unified understanding of each customer. Our intelligent agents enhance this context by recommending optimal actions and executing workflows, ensuring teams can provide an exceptional customer experience.Having graduated from Y Combinator in Summer 2025 and secured significant funding, we are already implementing our solutions in multi-billion dollar enterprises. We are on a trajectory for rapid growth and are looking for talented individuals to join our mission.Your RoleAs a Founding Engineer, you will take a lead role in developing our core platform responsible for data ingestion and the creation of 'digital twins', along with the agentic systems that operate on this data (e.g., Voice, SMS, and Email agents). You will collaborate closely with our CTO across various aspects of the platform, which includes:Memory: Refining how we represent our customer models.Detection Framework: Identifying the right primitives for building detection agents.Agent Design: Transforming signals into reliable autonomous actions.Distributed Systems: Managing thousands of agents running simultaneously.Evals: Ensuring our agents continually improve their performance.Additionally, you will engage directly with our customers, overseeing projects from inception to completion.

About SolvaSolva is pioneering the development of artificial intelligence solutions tailored for the insurance industry, transforming a colossal $8 trillion market, with a primary focus on claims management. Our operations are bolstered by a $6 million investment from prominent backers including First Round, Y Combinator, SV Angel, and notable angel investors like Paul Graham, who have previously supported industry giants such as OpenAI, Google, Stripe, Anthropic, Databricks, and GitHub. We are proud to have an advisory board composed of seasoned insurance executives and entrepreneurs.Our team has a proven track record, having played a crucial role in establishing Europe’s fastest-growing InsurTech and founding a licensed EU bank that handles payments exceeding €1 billion annually. We are on a mission to revolutionize one of the world’s largest sectors by reimagining it through the power of AI.Solva is recognized as a Y Combinator S25 company, rapidly emerging as one of the most dynamic and well-capitalized startups in the industry.About the RoleAs a Founding Engineer, you will collaborate with a team of seasoned entrepreneurs and former Apple engineers. You will set the standards for AI security and accountability, creating best practices where none currently exist. We value those willing to tackle challenging problems head-on and innovate in meaningful ways. Your contributions will be pivotal in shaping our core product and expanding our engineering team.Your responsibilities will vary, from delving deep into backend systems and cloud infrastructure to making architectural decisions that impact multi-billion dollar claims processes.This position offers true ownership. You will not only write code but also influence the technical direction, lead initiatives on new projects, and help cultivate a strong engineering culture from the ground up.What You Will DoDesign and implement production systems for our core offerings.Take charge of infrastructure and backend technologies (Go, Python, Postgres, GCP/AWS, Kubernetes, Terraform, CI/CD).Engage across the tech stack as necessary (React, Vite, TypeScript).Deliver quickly, iterate based on customer feedback, and transform complex issues into clean, scalable solutions.Help foster an exceptional engineering culture and play a significant role in shaping our long-term technical vision.What We Are Looking ForA standout candidate who has developed impressive projects in the AI domain.Extensive backend and infrastructure experience (cloud services, infrastructure as code, system scalability, observability).Proven ability to make technical decisions while balancing practical solutions and long-term design goals.A strong desire to innovate and contribute to the future of AI in the insurance sector.

hellohera is focused on helping families navigate the complexities of healthcare, especially during difficult and emotional times. Many people have trusted advisors for legal, tax, or financial matters, but often face the healthcare system alone. The company aims to change this by making expert guidance more accessible. The core of hellohera’s approach is the Hero: a senior care expert who supports families throughout their healthcare journey. Heroes educate, coordinate care, and advocate for those in need, with the goal of ensuring that every family can access the right support. Trust shapes every aspect of the work at hellohera. The team is committed to providing care with the same attention and respect they would want for their own loved ones. This principle guides both customer interactions and product development decisions. Role overview The Founding Backend Engineer will help build and shape a platform designed for a diverse group of users, including social workers, nurses, aging parents, and their adult children. The software must be seamless and intuitive, supporting Heroes as they deliver expert-level care and share essential knowledge. What you will do Develop backend systems that power the hellohera platform Ensure the product is reliable and easy to use for all users Contribute to product decisions that prioritize trust and accessibility Requirements Experience building backend systems for complex platforms Commitment to creating technology that supports vulnerable populations Ability to collaborate with a mission-driven team in New York

Founding Engineer - ScendWho We AreAt Scend, we are dedicated to revolutionizing the M&A landscape and enhancing efficiency within private markets. Backed by leading investors such as Pear VC, we have a strong team and early customers, positioning us for significant growth.Join our lean, high-impact team that thrives on creating stunning, functional products. Our diverse backgrounds span M&A, private equity, consumer fintech, and the vibrant Python open-source community, uniting us in our passion for excellence.Our Values (DEAL)Deliver: Every team member contributes by shipping code, designing features, or engaging directly with customers to transform ideas into tangible products.Empower: We believe in taking initiative beyond job titles. If you spot a challenge or an opportunity, you are encouraged to act.Align: Collaboration is key; we tackle challenges together with openness and humility.Learn: Our culture thrives on exploring new ideas, tools, and methodologies.The RoleAs a founding engineer, you'll collaborate closely with our founders to shape the product and architecture from inception. Your involvement as an early team member will greatly influence system design and our engineering culture. While prior experience is not mandatory, familiarity or interest in LLMs and Machine Learning will be highly valued.ResponsibilitiesDesign & Build: Create scalable, high-performance APIs to deliver financial data and develop them into product features.AI-Powered Systems: Utilize LLMs to generate datasets and research reports, applying evaluations and fine-tuning for accuracy.Data Processing: Handle large datasets using Airflow, Pandas, and Spark.Web Crawling: Build robust systems for crawling websites and documents from the internet.Infrastructure: Oversee infrastructure management with Terraform, Docker, AWS ECS, and monitoring solutions such as Sentry and CloudWatch.RequirementsA minimum of 2 years in developing scalable software systems.Proficient in Python and SQL.Preferred: Comfortable with data processing frameworks like Airflow, Pandas, and Spark.Preferred: Familiarity with infrastructure automation tools such as Terraform.

About UsAt Applied Labs, we are pioneering a platform for dependable AI agents designed to automate intricate tasks. Our team thrives on collaboration in our New York City office.Why You Should Consider This RoleGrowth Potential: Experience rapid 10x growth within just 4 months, showcasing our strong momentum.Ownership: Enjoy a high degree of autonomy while taking charge of systems from inception to completion.Complex Challenges: Engage in designing innovative, reliable solutions for multifaceted tasks.Team Excellence: Join an early-stage team comprised of talent from Harvard, MIT, Gemini, and Meta.Your ResponsibilitiesManage Core Systems: Oversee agent systems from concept to deployment, including orchestration, tool usage, planning, memory management, and evaluations.Architect for Reliability: Develop agent loops and guardrails capable of withstanding real-world challenges.Rapid Iteration: Conduct experiments, measure results, and iterate on a weekly basis.Close Collaboration: Work closely with founders in NYC to set product vision, quality standards, and engineering culture.Establish Standards: Your design choices, documentation, and coding style will set a benchmark for future team members.You May Excel in This Role If You:Have successfully deployed end-to-end production systems and take pride in delivering results.Value reliability over mere demonstrations; testing, evaluations, and metrics are crucial to you.Possess a product-oriented mindset, consistently asking, “What does the user need?” and developing the simplest effective solutions.Prefer in-person teamwork and expedited decision-making processes.Aspire to shape the engineering culture of a rapidly growing company.Your ToolsCurrently utilizing technologies like Python, Go, React, Clickhouse, K8s, Bazel, Postgres, GCP, and Modal.We prioritize skills over checklists.

About GigaGiga has recently secured $61 million in a Series A funding round and proudly serves a variety of paying customers, including major players like DoorDash. We are at the forefront of revolutionizing customer experience with cutting-edge real-time AI agents capable of understanding emotions, resolving issues instantaneously, and scaling across the globe's largest enterprises. Our platform is built from the ground up as AI Native and is designed for enterprise-grade applications.This is an exhilarating juncture for our company. Although we have already achieved significant milestones, our aspirations are even grander. Our vision is to establish ourselves as the premier AI platform for enterprise automation, driven by our advanced voice superintelligence. To realize this vision, we are on the lookout for exceptional engineers.The work we do impacts millions globally, and our engineers enjoy autonomy while making meaningful contributions. This opportunity is exceptional due to our brilliant founding team, proven commercial success, and a clear trajectory towards becoming a generational company. Here are some additional insights about us:Voice AI startup Giga raises $61M Series ADoorDash and Giga PartnershipGiga is trusted by the largest B2C companies in the world to build AI agents that handle their most intricate support and operations workflows across voice, chat, and email. If this vision resonates with you, we invite you to apply!

About MeridianAt Meridian, we are pioneering the development of the first multi-agent platform designed to empower enterprise brands in marketing and selling to AI technologies.With the shift from traditional search engines to cutting-edge AI platforms such as ChatGPT, Gemini, and Claude, businesses must adapt to ensure their visibility and representation within these systems. We are creating the solution that enables this transition. Already utilized by hundreds of clients, our core concept is validated, and this is your chance to significantly influence our journey as we grow.The RoleAs a Founding Engineer, you will collaborate closely with the founders to build the fundamental systems that enhance Meridian's operations. You will tackle complex, high-stakes challenges and transform them into reliable software solutions that function autonomously in production environments.This position is ideal for engineers who seek extreme ownership, rapid execution, and the chance to shape a company from the ground up.Your ResponsibilitiesEnd-to-End Ownership: Tackle loosely defined business challenges and drive them from conception through system design, implementation, and iteration; you are accountable not only for coding but also for defining the necessary features and ensuring their real-world efficacy.Agent Design and Development: Develop internal tools and systems that facilitate Meridian's ability to define, execute, and monitor intricate workflows, gradually enabling these systems to manage workflows autonomously.Data and Decision Systems: Construct and refine the pipelines that fuel our platform, including data ingestion, analysis, AI model orchestration, evaluation, and feedback loops that enhance system performance over time.Practical Problem Solving: Comprehend user and agent search behaviors across various markets, identify signals utilized by AI systems to generate responses, and develop fully autonomous workflows.Strategic Technical Decisions: Make impactful trade-offs that shape the long-term development of our product and company, prioritizing actions that significantly contribute to our mission.Company Shaping: Collaborate closely with founders and the initial team to influence product direction, system architecture, and engineering culture.

Join Us as a Founding Fullstack Engineer!Location: New York City (5 days on-site) · Competitive salary + equity + benefits.Overview: Help create the essential product for nuclear operators. Take complete ownership of features. This is a high-impact role at the forefront of innovation.Our MissionAt Everstar, we are revolutionizing the nuclear power industry by creating an intelligence layer that makes nuclear energy truly deployable—reducing regulatory workflows from months to mere days. Our platform, Gordian, is already utilized by utilities, advanced reactor companies, and hyperscalers, combining deep nuclear expertise with world-class product execution at a startup pace.We are seeking a Founding Fullstack Engineer who can transform complex engineering and regulatory workflows into seamless, production-ready software.Join the Apollo Team of Nuclear and collaborate with engineers from leading companies like Tesla, SpaceX, and Google, while learning from nuclear and national security experts with backgrounds at the Nuclear Regulatory Commission and CIA.Your RoleThis is an ownership-driven role with a focus on product development, not just a contract or feature factory.You will design and implement product features from start to finish—covering everything from database architecture to API contracts to meticulous UI design, with a ratio of 60% frontend and 40% backend work. You'll have the autonomy to make technical decisions and the responsibility to drive results.Your responsibilities will include:Creating user-centric features: transform complex regulatory workflows into elegant, user-friendly UI/UX that nuclear professionals will appreciate.Owning the technology stack: develop APIs, optimize database queries, implement front-end interactions, and troubleshoot production issues as needed.Defining product standards: you will have the opportunity to shape our approach to code quality, design systems, testing, and the overall product development life cycle.Collaborating with experts: engage with nuclear subject matter experts and AI engineers to understand intricate requirements and deliver effective solutions.Balancing speed and craftsmanship: continuously iterate on designs and features based on user feedback and evolving needs.

Join the Future of Legal Services with Crosby!At Crosby, we are revolutionizing the legal landscape. Our innovative team of technologists and legal experts is dedicated to transforming corporate legal services through cutting-edge technology and collaborative workflows. Our goal is to streamline the review of complex documents, enhancing speed and quality in the legal profession.Founded by Ryan (Penn, Stanford Law, former Cooley attorney, and GC) and John (Penn M&T, ex-Ramp, and ex-Google), Crosby is built on the belief that:A robust legal system is fundamental to a prosperous society.Legal practice merges art and science; we aim to define this balance by systematizing the process while enhancing human judgment where it matters.True AI application in law is about delivering outcomes, focusing on quality legal work executed efficiently.We thrive on an in-person culture at our NYC headquarters.The Opportunity:As our Founding Frontend Engineer, you will spearhead the user experience for the Crosby platform. Your mission will be to craft visually appealing, user-friendly, and highly functional interfaces that enable our legal team to operate with unmatched efficiency. Collaborating closely with our founders, product team, and legal professionals, you'll transform intricate workflows into seamless user experiences. This is an unprecedented opportunity to build our frontend architecture from the ground up, create our design system, and set the benchmark for quality and performance.Your Responsibilities:Frontend Architecture: Develop the core frontend of the Crosby platform utilizing modern frameworks such as React, Vite, and TanStack.User Experience Design: Design and implement high-performance user interfaces tailored for complex, data-rich legal workflows.Rapid Prototyping: Collaborate with product and our in-house legal team to swiftly prototype and refine user-facing features.Codebase Foundation: Establish a sustainable frontend codebase, which includes a comprehensive component library and design system.Collaborative Development: Coordinate with backend engineers to design and implement APIs that ensure a cohesive user experience.Team Growth: Contribute to building and mentoring our engineering team.

Hello, I'm Brian, the Co-Founder of Egra. We have recently secured $5.5M in funding to develop foundational models for brain signals, and we are on the hunt for our inaugural research engineer.From day one, you will possess full ownership of your projects. Forget about lengthy onboarding processes, waiting for approvals, or navigating through bureaucracies. Here, you will collaborate directly with the founders on complex technical challenges, armed with the resources necessary to address them. You will define the architecture of our infrastructure, make pivotal engineering choices, and construct the systems that drive our research forward. If you excel in an environment that values high agency and wish for your contributions to directly influence the company's direction, this is an exceptional opportunity.Key ResponsibilitiesEEG, or electrical activity of the brain recorded from the scalp, is one of the most challenging real-world signal modalities in machine learning due to its low signal-to-noise ratio, significant subject variability, and inconsistencies across devices. Most shy away from these challenges.As our founding research engineer, you will oversee the systems that facilitate our research. Specific projects you will manage include:Creating versioned and reproducible preprocessing pipelines for EEG data from various sources, including device-specific normalization, channel mapping across montages, artifact detection, and signal quality assessments. Your systems will be able to instantly respond to queries like, "Which preprocessing version generated this result?"Designing infrastructure for experiment tracking and training that allows us to conduct numerous pretraining experiments concurrently without losing track of changes in hyperparameters, data splits, preprocessing versions, and model checkpoints, ensuring everything is linked and reproducible.Developing a data ingestion system capable of assimilating various EEG formats (EDF, BDF, BIDS, proprietary device exports) and normalizing them into a clean, internal representation.Enhancing training pipelines for optimal throughput on noisy, variable-length signal data using mixed precision, intelligent batching across different recording lengths, and efficient data loading for datasets that don't conform to standard loaders.Our VisionWe are aspiring to create a world where thought serves as an interface.Imagine composing a message silently as it types itself. Or navigating an AR display without any physical interaction. Our software aims to adapt to your cognitive state in real time, establishing a universal interface between human thought and digital interaction.

Join Noto as a Founding EngineerNoto is on a mission to revolutionize the after-school business landscape by creating an AI-native operating system tailored for tutoring centers, music schools, and sports academies. We aim to serve the 150,000 after-school businesses across the country, providing them with the technology they desperately need.Currently, these essential businesses operate with outdated software and a hodgepodge of basic solutions. At Noto, we're developing a comprehensive platform that leverages AI to deliver seamless, engaging experiences for users who are accustomed to manual methods like sticky notes and spreadsheets.Recently, we successfully secured a $3.8 million seed round, supported by esteemed venture capital firms such as Base10 and South Park Commons. Founded by technical experts AJ Ding and Steve Wang, Noto is headquartered in the vibrant city of New York.We are thrilled to expand our core team. If you're passionate about crafting innovative software solutions for small businesses, Noto is the place for you!

Join Our Team as a Staff Backend EngineerLocation: London or New York CityWork Arrangement: Onsite | Full-timeCompensation: CompetitiveAt mlabs, we are a leading technology development firm specializing in the infrastructure that powers the world’s largest digital asset launchpads. With around $1 billion in daily transaction volume, our platform operates at the forefront of the crypto industry, demanding systems engineered for ultra-low latency and exceptional throughput under high concurrency.We are on the lookout for a Staff Backend Engineer to tackle our most challenging technical problems. This role is critical and impactful, set in a dynamic, in-person environment. Our team comprises high-agency builders who prioritize speed, immediate results, and exceptional engineering judgment. This position is tailored for an engineer who excels under pressure and revels in solving complex, cross-disciplinary challenges.Key Responsibilities:System Ownership: Take responsibility for resolving intricate backend issues, improving performance bottlenecks, scaling limits, and ensuring system reliability under intense load.Architectural Leadership: Define the technical strategy for backend systems through thoughtful architectural choices that reconcile swift delivery with long-term viability.Distributed Systems Design: Create, implement, and manage high-impact distributed services that serve a vast global audience daily.Problem Resolution: Anticipate systemic challenges and lead efforts to resolve them, navigating ambiguity and cross-functional complexities.Engineering Excellence: Elevate the backend engineering team's standards through thorough design and code reviews, mentorship, and exemplifying superior engineering judgment.Interview Process:Our selection process is designed to ensure a strong fit for both technical skills and cultural alignment:Recruiter / HR Call: Initial screening and background assessment.Technical Interview I: In-depth evaluation of backend expertise and problem-solving capabilities.Technical Interview II: Advanced exploration of distributed systems and architectural knowledge.Final Interview: Comprehensive discussion focusing on strategic insights and role expectations.

Join Our Team in New York CityAt Spur, we are pioneering groundbreaking technology for the future of Quality Assurance: autonomous browser agents that simulate real-user behavior by thinking, exploring, validating, and self-healing. We are not just another testing tool; we are redefining how digital teams can deliver with assurance.Our innovative approach has resonated powerfully in the market. Renowned brands such as Alo Yoga, Living Spaces, HelloFresh, Nextdoor, Abercrombie & Fitch, and many more are actively engaging with us. Demand is soaring, sales cycles are accelerating, and our product truly delivers—teams can go live in mere days, not months.We are a tight-knit, elite group of innovators from DeepMind, Figma, and former founders, moving at a pace that larger companies simply cannot match.Our Mission: We strive to empower our clients to provide exceptional digital experiences.Explore Our Manifesto: https://www.spurtest.com/founders-letterYour ResponsibilitiesLead the development of end-to-end features—design, code, test, deploy, and manage them in production. You will take ownership of product components throughout their lifecycle.Engage directly with users to transform their feedback into actionable improvements swiftly, influencing product direction.Develop and maintain robust performance in both frontend and backend systems.Launch innovative features, interact with customers for feedback, and iterate at a rapid pace.Collaborate closely with product, engineering, design teams, and company founders for swift iterations.Bonus QualificationsPrevious experience as a founder or founding engineer.Experience in building Large Language Model (LLM) products.A passion for developer tools and attention to detail that enhances both developer and customer experiences.You Will Excel Here If YouHave an unwavering focus on customer satisfaction. We are dedicated to creating delightful experiences for our users—how can we make each feature as enchanting as possible?Possess a curious mindset. You will encounter novel technologies and challenges daily as we grow—comfort with learning new frameworks quickly and sharing that knowledge with the team is essential.Demonstrate strong technical skills and a collaborative spirit.

About MosaicMosaic is an innovative AI-driven deal modeling platform tailored for the private markets, utilized by top-tier investors and advisors such as Warburg Pincus, CVC, New Mountain, and Evercore. Our platform revolutionizes core deal analyses—encompassing LBOs and DCFs—enabling investment teams to accelerate their processes, minimize spreadsheet errors, and dedicate more time to strategic investment decisions.With a unique blend of deterministic calculations and AI-enhanced workflows, Mosaic delivers replicable and audit-ready outputs that private equity, credit, and investment banking teams can rely on for billion-dollar transactions.At Mosaic, we are on a mission to establish the AI-powered operating system for the world’s most discerning investors and their advisors. As we experience rapid growth, we are expanding our teams across engineering, product, customer enablement, and go-to-market sectors.If you are passionate about the convergence of finance and technology, this is a unique opportunity to influence how the industry will operate for years to come.