Product Engineer, Blockchain at Tempo | New York City

Join Tempo, a pioneering layer-1 blockchain designed specifically for stablecoins and real-world payments, leveraging the deep expertise of Stripe in global payments and Paradigm in crypto technology.Our innovative payment-first architecture offers a scalable, cost-effective, and reliable backbone to accommodate high-volume payment scenarios. We aim to facilitate seamless, economical, and scalable money transfers, prioritizing user simplicity for fintechs, traditional banks, merchants, platforms, and all others eager to modernize their payment solutions.We are collaborating with top-tier design partners across AI, e-commerce, and financial services, including Anthropic, Coupang, Deutsche Bank, DoorDash, Mercury, Nubank, OpenAI, Revolut, Shopify, Standard Chartered, Visa, and more.Our team is composed of crypto-enthusiasts dedicated to building the essential infrastructure for significant economic transactions on the blockchain. If you thrive in a fast-paced environment and are ready to take bold steps, we invite you to join us!About the RoleAs a Product Engineer, you will empower users to leverage the Tempo blockchain through the development of first-party applications like the Tempo Wallet and by facilitating integrations for customers to enhance their stablecoin transactions. You will engage closely with production-grade blockchain systems and transaction flows.This position is ideally suited for former founders or aspiring entrepreneurs. You will encounter a diverse array of critical payment and crypto challenges across startups, mid-market firms, and large enterprises, allowing you to oscillate between product development and deployment in customer environments, thereby gaining comprehensive insights into the entire product lifecycle, from integration to market strategy.Key ResponsibilitiesDesign and develop internal and first-party applications for both agents and users.Collaborate with startups and enterprise clients to integrate Tempo into their payment infrastructures.Acquire an in-depth understanding of the Tempo blockchain and its product suite.Quickly navigate through unfamiliar codebases and organizations to ensure timely product launches.Gather field insights to enhance the product, developer experience, and blockchain technology.

Tempo is a cutting-edge layer-1 blockchain designed specifically for stablecoins and real-world payment solutions. It draws on the extensive experience of Stripe in global payments and the advanced crypto technology expertise of Paradigm.Our payment-first architecture ensures a scalable, cost-effective, and predictable platform that caters to high-volume payment applications. We aim to facilitate money transfers reliably, affordably, and at scale, prioritizing simplicity for users ranging from fintech firms and traditional banks to merchants and platforms eager to modernize their payment systems.We collaborate with leading global partners in AI, e-commerce, and financial services, including Anthropic, Coupang, Deutsche Bank, DoorDash, Mercury, Nubank, OpenAI, Revolut, Shopify, Standard Chartered, Visa, and several others.Our mission is to establish the infrastructure necessary to integrate significant economic transactions on-chain. Our team primarily works in-person at our San Francisco and New York City offices. We value agility and innovation—join us in this exciting venture!The RoleAs the Customer Success Lead, you will be pivotal in shaping the future of enterprise payments on-chain. You will be responsible for managing the entire customer journey, from the initial partner engagement to their successful scaling on our network. You will serve as the liaison between Tempo's product, engineering, and partnership teams and the enterprises, ecosystem partners, validators, and integrators that build upon our platform.This is a foundational role where you will define exceptional customer success standards for Tempo—developing playbooks, forging relationships, and establishing feedback mechanisms that transform early design partners into long-term pillars of our ecosystem.What You'll DoPre-Sales & Solution DesignCollaborate closely with the Partnerships team to facilitate enterprise and ecosystem deal cycles, offering technical and operational insights throughout the evaluation and onboarding process.Act as a consultative design partner during pre-sales, thoroughly understanding partner use cases and aligning them with Tempo's architecture and capabilities.Assist in structuring integration scopes, defining success criteria, and establishing launch timelines with prospective customers prior to contract finalization.Post-Sales & Partner SuccessOwn the complete success trajectory for customers post-sale, ensuring they derive maximum value from our platform and foster ongoing relationships.

Join the City of New York as a Data Engineer, where you will contribute to crucial data initiatives that drive decision-making and enhance city operations. This full-time position offers an exciting opportunity to work within a dynamic team, leveraging data analytics to solve complex problems and improve public services.

About Blee Blee is building AI-first software that replaces traditional workflows like spreadsheets and email. Our platform helps enterprise clients streamline compliance and improve transparency across their organizations. Thousands of users from major enterprises rely on Blee to meet their requirements quickly and thoroughly. The leadership team brings experience from Adobe, Chime, PayPal, AWS, Wachtell, Harvard Law, and Columbia Law. Blee’s platform tackles complex, end-to-end challenges for clients. The team values engineers who enjoy solving problems and are curious about the needs of users, many of whom are new to modern software tools. Offices are located in downtown San Francisco and soon in New York City, with most of the team based in these two cities. Role Overview: Product Engineer (New York City) Product Engineers at Blee deliver full-stack features that shape the experience for enterprise customers. This role involves building and launching product features based on real customer needs and the company roadmap. Work happens in a startup setting where priorities shift quickly and collaboration is key. What You Will Do Design, build, and release full-stack product features guided by roadmap priorities and customer input. Participate in sprint planning and code reviews to estimate, plan, and work closely with other engineers. Translate product specifications into technical designs in partnership with the Product Manager. Write and maintain automated tests (unit, integration, end-to-end) to reduce manual QA work. Respond to customer-specific requests, delivering tailored solutions when prioritized by the Product Manager. Help reduce technical debt by improving performance and developer experience. Document technical decisions, including architecture changes, API contracts, and design choices. What We Look For Engineers who care about the purpose behind each feature, not just the implementation. Collaborators who enjoy discussing ideas and driving improvements for users.

TLDR Become a part of Knoetic, a dynamic company that has secured over $50 million from esteemed venture capitalists such as Accel and Menlo, along with contributions from hundreds of angel investors, as we unveil a groundbreaking series of AI products.Join our newly-formed, high-energy AI product team. Rather than stepping into a well-established system, you will actively contribute to building it from the ground up within this select group of AI specialists.Take ownership of features from conception to delivery as an individual contributor, delivering at an impressive pace and influencing a product utilized by thousands of executives at companies including Box, Brex, Notion, OpenAI, and Figma.We seek an AI-native engineer with a customer-focused mindset. You should be among the top 10% of users of tools such as Cursor, Claude Code, and Codex, and be passionate about crafting exceptional experiences for our clientele. Knoetic AI + Our Chief People Officer Network Our goal is to create the "Second Brain" for Chief People Officers and their HR teams. We are supported by $50 million from Accel, EQT, Menlo, and many distinguished angel investors such as Adam Grant and Shreyas Doshi.We offer a unique blend of consumer and enterprise products that serve thousands of C-level executives from firms like Box, Figma, dbt labs, Lyft, Notion, and OpenAI.Learn more about our "right brain" (CPOHQ) and our "left brain" (AI & People Analytics) here. Overview We are searching for a Fullstack Product Engineer who is eager to:Take full responsibility for features, from gaining deep insights into customer challenges to launching the feature and promoting its use and adoption.Engage across the entire technology stack (including React, TypeScript, NestJS, PostgreSQL).Deliver quickly and with high quality; you believe that speed and quality can coexist, and that both can be improved simultaneously.Collaborate directly with customers: engage in calls, troubleshoot their challenges, and iterate based on authentic feedback.Design powerful solutions that resonate with our users.

About Sequence Sequence is building a new model for the American service economy by acquiring, improving, and managing businesses for the long term. The company focuses on using artificial intelligence to help these businesses make faster decisions, personalize services at scale, and deliver better results for their customers. Sequence believes that real change comes from deep involvement and ownership, not just consulting or selling software. Unlike traditional SaaS or consulting firms, Sequence integrates its technology and engineering teams directly with operating companies. As a permanent holding company, Sequence invests heavily in both the businesses it acquires and the people who run them. The team works side by side with management, aiming to transform operations from within as true partners. Sequence has raised $75 million in funding. The company’s seed round was led by Conviction and 8VC, and its Series A was led by Lux Capital with participation from Definition Capital and others. Role Overview: Product Engineer Location: New York City As a Product Engineer at Sequence, the work centers on two main goals. 1. Create Value Within Operating Companies Product Engineers translate complex human expertise into AI-powered processes. This includes deploying intelligent agents and building workflows with large language models (LLMs) to solve real operational problems. The solutions developed are put to use daily by teams across Sequence’s portfolio. 2. Build for Scalability Across the Platform Each transformation should also strengthen Sequence’s core AI platform. Many acquired businesses depend on manual, labor-intensive processes. By creating reusable systems that work across the portfolio, Product Engineers help make future transformations faster and more effective, moving service businesses toward a product-driven approach. As Sequence grows, engineers who excel will have opportunities to shape and lead entire business verticals, working closely with operators and investors to drive industry-wide change.

About the Role The City of New York is hiring an Assistant Mechanical Engineer for the Division of Property Management. This position supports the planning, design, and oversight of mechanical engineering projects that improve city building infrastructure and services.

About UsDorsia stands at the leading edge of hospitality technology, transforming access to the most sought-after restaurants, events, and experiences. By integrating innovative technology with the essence of luxury hospitality, we empower our members to secure hard-to-get reservations while offering operators unmatched control, visibility, and revenue enhancement.As a rapidly growing startup, supported by over $50 million from premier investors like Index Ventures and partnerships with industry leaders such as Major Food Group, Groot Hospitality, and Gracious Hospitality, we are expanding our presence and redefining the global hospitality sector. We are seeking exceptional talent to propel our next growth phase, and that’s where you come in.About the RoleWe are looking for a Product Engineer to join our dynamic and impactful team. As a versatile developer, you will engage across the entire stack—delivering essential product features, scaling systems, and enhancing user experiences. You will utilize state-of-the-art tools, including AI-driven development environments, cloud-native platforms, and rapid feedback loops to expedite delivery and elevate quality.What You’ll DoCreate Full Stack Features: Design, develop, and deploy production-level code across mobile (React Native), backend (PHP/TypeScript), and infrastructure.Leverage AI for Development Speed: Employ cutting-edge generative AI tools to prototype, debug, and automate efficiently.Contribute to Various Areas: Approach UI refinement, system performance, backend logic, and operational tools with equal passion.Collaborate Across Teams: Engage directly with design, product, and operations to establish requirements and deliver user-oriented enhancements.Ensure Quality & Maintainability: Write clean, testable code and help implement practices that maintain a healthy codebase as we scale.

Are you ready to revolutionize the world of finance? At Superstate, we are dedicated to crafting investment products that leverage the rapidity, programmability, and compliance benefits of blockchain tokenization, steering clear of the inefficiencies of traditional finance.As a Staff DevOps Engineer, you will play a pivotal role in constructing and sustaining a highly reliable and scalable infrastructure that underpins our innovative financial products. Your expertise will be crucial in designing robust systems that guarantee our platforms' exceptional performance, availability, and security as they scale. You'll take on diverse responsibilities, including general DevOps, security, observability, and reliability, leading these vital initiatives.

The City of New York is seeking a dedicated Surveyor to join our dynamic team. As a Surveyor, you will play a crucial role in land surveying, ensuring accuracy and compliance with city regulations. This position offers a unique opportunity to contribute to various city projects, enhancing the infrastructure and development of New York City.

Join the dynamic team at the City of New York as a Scheduler, where you will play a vital role in organizing schedules and ensuring the efficient operation of city services. As a key player, you will collaborate with various departments to coordinate appointments, manage resources, and facilitate communication across teams.Your organizational skills will be paramount in maintaining streamlined operations, and your attention to detail will help to ensure that all scheduling needs are met effectively.

Join Our Innovative TeamAt Vellum, we are redefining the way teams across various sectors like Sales, Ops, Marketing, and Finance operate. In a world where technology has empowered engineers with tools such as Cursor, Devin, and Claude, we believe it's time for everyone to benefit from these advancements. Our platform allows users to articulate goals in simple language and swiftly generate dependable agents, making work more efficient and less tedious.Our Core ValuesAs a high-performance team in a competitive landscape, we seek exceptional builders who resonate with our values:Innovate for the FutureWe are committed to pioneering AI tools and living at the forefront of technology.We leverage AI tools extensively in our daily operations.We anticipate customer needs and build solutions proactively.We strategically prioritize speed while ensuring sustainability in our products.Communicate with IntegrityTrust is paramount in our environment.We maintain open and honest communication.Feedback is welcomed and appreciated.We honor our commitments and communicate proactively if changes arise.Aiming for SuccessWith $25M in funding from leading investors, we are poised to make a significant impact in our market.We thrive on winning and are dedicated to swift execution.Excellence in execution is our standard.We are committed to maximizing output while safeguarding against burnout.Your ProfileExperience in an early-stage startup environment.Proficient in Typescript, React, and Python.Possess a strong product mindset and a passion for building user-centric solutions.

About MetaformsAt Metaforms, we are revolutionizing the realm of market research.Our cutting-edge AI platform enables top-tier research agencies to accelerate their operations up to 10 times while preserving exceptional quality. With AI Agents enhancing survey programming, data processing, and project management, we empower clients such as Dynata, Savanta, and Borderless Access to complete more projects with reduced effort. Over 1,000 surveys processed each month Partnering with Fortune 500 companies Rapid month-over-month growth Supported by $9 million in Series A funding for aggressive scaling The RoleWe are seeking a Senior Product Engineer based in NYC to take ownership of product surfaces from concept to delivery — thoroughly understanding user challenges and launching impactful features.This is not a role where you simply execute tasks from a product manager. You will engage directly with customers, develop strong perspectives on product direction, and implement solutions yourself. You will work at the convergence of product development and engineering, leveraging user insights, product acumen, and high-quality coding to achieve results.If you desire substantial ownership, direct customer interaction, and the chance to shape an AI-driven product from its inception, this position is tailored for you. ResponsibilitiesManage product areas comprehensively: identify issues, design solutions, code, deploy, and assess impact.Engage regularly with clients (agencies, survey programmers, research operations teams) to gain a deep understanding of their workflows and challenges.Make informed product choices — determining what to build, what to prioritize, and what to discontinue — driven by user feedback and business implications.Develop and deploy across the entire technology stack (frontend, backend, AI systems).Contribute to product strategy alongside company founders, integrating direct customer feedback into roadmap planning.Iterate rapidly: launch, analyze usage data and feedback, and refine continuously.‍ Desired QualificationsEssential Skills3 to 7 years of software engineering experience with robust full-stack capabilities (React, TypeScript, Python, AWS).Proven product intuition — you've shaped what is built, not just how it’s constructed.Ability to navigate ambiguity — converting vague challenges into clear, actionable solutions.Strong collaborative skills and a proactive attitude.

About Sequence Holdings Sequence Holdings is building a new model for the American service economy by acquiring, transforming, and operating innovative companies. With $75 million raised (seed led by Conviction and 8VC, Series A led by Lux Capital), the company is positioned for significant growth. Sequence takes a hands-on approach: rather than acting as a vendor or consultant, the team invests deeply in each business, integrating technology and engineering talent to drive lasting operational change. Role Overview: Product Engineer The Product Engineer role centers on two main areas: Value Creation: Work within Sequence’s operating companies to transform human-driven processes into AI-powered systems. Deploy agents and build LLM-based workflows that solve real operational problems. The focus is on solutions that are actively used by business operators, not just prototypes. Scaling Transformation: Each transformation should strengthen Sequence’s core AI platform. By developing reusable systems, help shift acquired businesses from manual to product-driven operations and accelerate future transformations across the portfolio. As Sequence grows, top engineers will have the chance to define and lead entire verticals, working closely with both operators and investors to shape how whole industries run on the Sequence platform. Location This position is based in New York City.

Join the vibrant legal team at the City of New York as a Paralegal. In this crucial role, you will support attorneys in various legal matters, conduct research, and prepare documents to ensure the smooth functioning of legal processes.

The RoleCandid Health is on the lookout for a seasoned Engineering Manager to lead our Product Engineering team in strategizing, executing, and delivering our innovative platform to healthcare providers who depend on it for essential financial and operational workflows. Your team will play a pivotal role in constructing and upholding crucial elements of a sophisticated and dynamic architecture that meets industry-leading standards for quality, durability, and performance. In this capacity, you will collaborate within a highly cross-functional team, guiding and mentoring skilled engineers and tech leads, nurturing their professional development, and ensuring their impactful contributions. Close collaboration with company leadership, sales, and product groups will be vital as you assist in shaping and implementing our long-term product vision.What You’ll DoAct as an outcome steward: With extensive ownership of priorities for both our teams and customers, you will significantly influence the balance of competing demands and manage trade-offs effectively.Lead implementation: Guide your team in fulfilling the technical vision by scoping projects and reviewing plans. Your familiarity with our codebase will enable you to champion best practices for design, delivery, and interdepartmental collaboration.Manage technical teams: Oversee one or more motivated, successful teams, experimenting with and instituting systems that drive your teams' success. Collaborate with product, leadership, and fellow engineers to develop Candid’s flagship products, steering the direction for technical leads and individual contributors.Mentor and develop talent: Investing in Candid's future entails fostering the growth of our team members. You will help define pathways for your team's growth through both formal performance management and organic opportunities.Define product technical strategy: Collaborate with company and product leadership to understand and contribute to essential product and company strategies. You will be entrusted to architect the systems, processes, and frameworks necessary to meet our short-term and long-term objectives.

What is Kalshi?Kalshi is pioneering a new financial frontier through prediction markets, empowering individuals to trade on future outcomes and transforming questions into financial assets. After years of advocacy, we successfully legalized prediction markets in the U.S., establishing ourselves as the fastest-growing financial marketplace in the nation, featuring thousands of markets across diverse sectors such as politics, economics, finance, technology, AI, and culture.We envision prediction markets becoming the largest financial marketplace globally, enabling everyone to turn insights into actionable financial positions.Our Vision: Build the largest financial market on Earth.Our Mission: Foster truth in the world through the power of markets.At Kalshi, we embrace a culture of excellence, hiring talented individuals who work diligently and enjoy the journey. We seek ambitious professionals to join our dynamic team in developing the next generation of financial markets.Role OverviewAs a Software Engineer, Product at Kalshi, you will be instrumental in creating user-facing systems and internal tools that facilitate customer interactions with our markets. Collaborating closely with product, design, and operations teams, you will simplify complex market mechanics into seamless, reliable experiences for traders, market makers, and partners. In our rapidly expanding environment, you will deliver end-to-end features that significantly influence customer adoption, liquidity, and the advancement of Kalshi’s offerings. Your role will evolve alongside the company as you contribute to shaping both the product and its engineering culture.Your ResponsibilitiesDesign and develop high-performance backend services and APIs that support the rapid testing of new trading features as our user base expands.Architect and maintain systems that power personalization engines, recommendation algorithms, and other data-driven features aimed at enhancing trader engagement and retention.Collaborate with product managers and frontend engineers to drive initiatives that enhance or broaden Kalshi’s platform.

About SandbarAt Sandbar, based in the vibrant New York City, we are pioneering the next generation of human-agent interfaces. Our mission is to empower individuals to think, act, and move freely in an increasingly agentic world. Our talented team has developed software, machine learning, and hardware products for industry leaders such as Meta, CTRL-labs, Google, Apple, Fitbit, Peloton, and Equinox.Our flagship product, Stream, is an innovative private voice ring and conversational computer that redefines how humans interact with technology. Stream has garnered attention from major publications like the Wall Street Journal, Bloomberg, and Wired, with shipping slated for Summer '26.We invite you to join our mission in creating a transformative interface for self-augmentation.Role OverviewWe are seeking a skilled software product engineer to contribute to the development of Stream, our groundbreaking conversational interface. Our goal is to make technology as effortless as thought—fast, intuitive, and universally accessible. This position is ideal for someone who thrives at the intersection of software engineering, interaction design, and consumer products.

Join the vibrant team at the City of New York as a College Aide, where you'll gain invaluable experience and contribute to city initiatives. This role is designed for students looking to enhance their skills while working in a dynamic urban environment.

Company OverviewAt tennr, we revolutionize the referral process in healthcare, ensuring that every patient gets timely access to the right specialist. Our innovative platform streamlines the referral system, mitigating delays caused by overwhelming demand and complex workflows. Leveraging our RaeLM™ technology, we efficiently read, extract, and act on patient information, empowering healthcare providers to increase referrals, reduce denials, and enhance patient outcomes.Role OverviewWe are seeking passionate Product Managers eager to take charge of multiple high-impact products as we expand our offerings. This role is tailored for individuals who excel in ambiguous environments, tackling intricate user and workflow challenges while taking complete ownership of results—from problem identification to product launch and scaling.As a Product Manager, you will establish the vision and strategy for one or more key product areas, focusing on meaningful outcomes rather than mere output metrics. Your deep understanding of user needs, daily workflows, and the broader operational context will enable you to pinpoint critical problems and transform chaotic real-world complexities into streamlined, scalable solutions. You will maintain high standards of quality, ensuring your product achieves the desired impact in the field.Collaboration is key in this role; you will partner with design, engineering, customer-facing teams, and fellow product managers. You will spearhead product discovery, articulate clear requirements, make informed trade-offs, and drive products from inception to scale with urgency and precision. This cross-functional, user-centric position is perfect for those who relish building foundational experiences that simplify complex tasks.