Blockchain Engineer at Harmony | Palo Alto

At Ascend, we are dedicated to transforming the data engineering landscape into an enjoyable and efficient experience. Our goal is to empower our clients by simplifying and accelerating data delivery, allowing them to focus on bringing their data innovations to fruition.As a vital member of Ascend’s backend engineering team, you will be responsible for desig…

*This role supports hybrid in-office US-based work in San Francisco - Bay Area, New York, and Seattle.About Wealthfront EngineeringAt Wealthfront, we foster a culture of continuous learning and innovation, focusing on delivering high-quality software solutions. Our primary strategy revolves around automation, enabling us to enhance the financial services we provide to our clients.Our software automatically manages various financial processes, learning from data as we strive for improvement. Wealthfront engineers operate as builder/operators, taking full responsibility for both the development and operational maintenance of our systems, with an emphasis on automating any repetitive tasks.We prioritize automation in our development processes; for instance, all testing is automated — manual testing is not part of our software lifecycle. Additionally, we ensure observability in case of failures, with systems that notify engineers about issues, allowing us to maintain healthy operations.If you are passionate about working in a dynamic engineering environment where your contributions can significantly impact the company's success, especially in a tight-knit team of around 250 employees, with half in engineering, we encourage you to apply!

About NectarAt Nectar, we are at the forefront of a revolutionary change in how consumers connect with brands. Today's consumers prioritize authentic social interactions over traditional marketing tactics, seeking recommendations from trusted communities and personalized experiences.We are developing an AI-driven social operating system that facilitates this new commerce landscape. Our mission is to enhance the bond between brands and their audiences, providing real value to both parties. Our AI agents operate in real-time, delivering actionable insights, attributing engagement to revenue, and converting conversations into sales.Founded by former leaders from Meta, we proudly collaborate with brands like OLIPOP, Hatch, K18, and Little Spoon. After achieving product-market fit last year, we've experienced a remarkable 10x growth and are expanding our team to meet rising demands.Your RoleCore Backend Development: You will design and implement robust backend systems that process high volumes of real-time social data from platforms such as Instagram, TikTok, X, and LinkedIn. Your expertise will help in building strong integrations with third-party APIs, optimizing AI workloads, and scaling our infrastructure.Enhance Operational Excellence: You will focus on improving system reliability, fostering an on-call culture, and advancing our systems as we onboard more clients and manage significantly larger data volumes.Technical Leadership: You will document architecture, influence tool and infrastructure choices, and mentor fellow engineers, promoting a collaborative environment where engineers can contribute across the entire product and infrastructure stack.Our technology stack includes TypeScript, AWS, Pulumi, Postgres, ClickHouse, and Turbopuffer. We strategically use AI tools like Cursor, Claude Code, Graphite, v0/Replit, and Granola to streamline our daily operations.

Role Overview:Join us as a Backend Software Engineer at nace.ai, where you will play a critical role in crafting, deploying, and maintaining the comprehensive infrastructure for our cutting-edge AI systems. Your primary focus will be on designing resilient backend services, developing intuitive and high-performance user interfaces, and ensuring the flawless integration of LLM-based AI Agents. Your contributions will effectively bridge frontend user experiences with backend scalability and core AI infrastructure, significantly enhancing system efficiency, reliability, and user-facing functionalities.Key Responsibilities:Design, develop, and maintain scalable full-stack components, encompassing both frontend applications (utilizing frameworks such as React, Vue, or Angular) and robust backend services (using Python, Go, or Node.js).Create and implement APIs and data pipelines that enable seamless deployment and interaction of advanced AI Agents along with large-scale data processing workflows.Contribute to the evolution of core AI agent frameworks, focusing on essential features like tool integration, memory systems, and planning/orchestration modules.Develop and implement methodologies for evaluating AI Agents to rigorously assess, benchmark, and monitor agent performance, reliability, and safety in live environments.Oversee and optimize cloud infrastructure (e.g., AWS, GCP, Azure) to ensure high availability, cost-effectiveness, and scalability for both application layers and the underlying AI compute resources.Engage actively in design discussions, code reviews, and cross-functional collaboration to deliver high-quality, production-ready solutions across the entire tech stack.

DataHub is a pioneering AI & Data Context Platform utilized by over 3,000 leading enterprises, including giants like Apple, CVS Health, Netflix, and Visa. Developed in collaboration with a vibrant open-source community comprising over 13,000 members, DataHub's metadata graph offers profound context about AI and data assets, ensuring unparalleled scalability and extensibility.Our enterprise SaaS product, DataHub Cloud, provides a fully managed solution equipped with AI-driven discovery, observability, and governance capabilities. Organizations depend on DataHub's offerings to expedite their data investments' return, guarantee AI system reliability, and enforce unified governance, allowing AI and data to harmonize and restore order to data chaos.The ChallengeAs AI and data products become integral to business operations, enterprises grapple with a metadata crisis:A lack of a unified approach to tracking the intricate data supply chain supporting AI systems.Engineering teams face hurdles in data discovery, lineage, and governance.Organizations require machine-scale metadata management beyond mere human-browsable catalogs.Why This MattersThis is where infrastructure meets impact. The metadata layer you create will directly fuel the next generation of AI systems at an unprecedented scale. Your contributions will determine how securely and efficiently thousands of organizations deploy AI, influencing millions of users globally.The RoleWe seek an outstanding Backend Engineer to spearhead the development of DataHub's Platform framework – the backbone that connects various data systems and drives our metadata collection functionalities.You’ll BuildScalable, fault-tolerant ingestion systems for enterprise-grade metadata.Clean, intuitive APIs for our connector ecosystem.Event-driven architectures for real-time metadata processing.Schema mapping between diverse systems and DataHub's unified model.Versioning systems for AI assets (training data, model weights, embeddings).

Role Overview Speechify is hiring a Software Engineer to focus on the iOS Core Product in Palo Alto, CA. This position centers on developing applications that improve the reading experience for millions of users. The work directly supports Speechify’s mission to make reading accessible through advanced text-to-speech technology. What You Will Do Work closely with a skilled team to design and build iOS applications Develop features that enhance user experience and accessibility Contribute to software that is both scalable and reliable About Speechify Speechify creates technology that helps people read and listen more easily. The company’s products serve millions of users worldwide.

Join Wealthfront as an iOS Engineer and become a vital part of our innovative team! This role offers the flexibility of US-based remote work or a hybrid setup in our Palo Alto office. You will collaborate within a cross-functional scrum team to design and implement cutting-edge features for our investment and cash account functionalities in our iOS application. Your responsibilities will also include writing automated tests and integrating seamlessly with our in-house design systems as well as our backend API. Help empower our clients to build wealth according to their own unique terms!

About VoltaiVoltai is at the forefront of technology, developing innovative world models and intelligent agents that learn, evaluate, plan, and interact with the physical world. Our journey begins with creating advanced hardware, focusing on electronic systems and semiconductors, where artificial intelligence transcends human cognitive limitations.About Our TeamOur team, supported by leading Silicon Valley investors and Stanford University, includes former Stanford professors, SAIL researchers, Olympiad medalists, and industry leaders from renowned companies such as Google, AMD, Broadcom, and Marvell. We are proud to have former high-ranking officials, including a US Secretary of Defense and Senior Advisors to multiple US presidents, among us.

About VoltaiVoltai is at the forefront of developing advanced world models and agents that enable learning, evaluation, planning, experimentation, and interaction with the physical environment. Our initial focus is on understanding and building hardware, specifically electronic systems and semiconductors, where artificial intelligence can design and create beyond the limits of human cognition.About the TeamSupported by some of Silicon Valley’s most prestigious investors, Stanford University, and prominent figures including CEOs and Presidents from Google, AMD, Broadcom, and Marvell, our team comprises former Stanford professors, SAIL researchers, Olympiad medalists, CTOs of Synopsys & GlobalFoundries, and advisors who have served under four US presidents.Key ResponsibilitiesLead and manage a team of engineers through agile sprint cycles and critical delivery milestones.Drive sprint planning and execution, from backlog refinement to sprint reviews and retrospectives.Prioritize engineering tasks based on business impact, technical debt, and resource limitations.Transform complex requirements from product and hardware teams into clear, actionable engineering tasks and user stories.Eliminate obstacles and enhance team efficiency through daily stand-ups, one-on-ones, and cross-team collaboration.Collaborate closely with product and design teams to maintain a balance between feature delivery and technical excellence.Monitor team performance through velocity tracking, sprint health assessments, and delivery metrics while fostering continuous improvement.

About Spacial:At Spacial, we are pioneering a transformative approach to the design, engineering, and approval processes in the built environment. With extensive expertise in architecture, engineering, and construction, our team has experienced the industry's challenges—prolonged approvals, persistent revisions, and ambiguous requirements that can compromise even the finest designs.To address these issues, we developed Spacial: an AI-driven platform that automates structural and MEP engineering, converting 2D designs into permit-ready, code-compliant documentation in a matter of days rather than months.This represents more than just optimization; it establishes a new benchmark for the AEC industry, delivering speed, clarity, and control from day one. By uniting architects, engineers, builders, and homeowners on a singular platform, Spacial eradicates obstacles, expedites approvals, and accelerates the realization of innovative ideas.

About the RoleTensec is seeking a talented Software Engineer to spearhead the development and architecture of our innovative banking core platform. Navigating the complexities of cross-border transactions and compliance presents unique challenges, and we believe that intelligent infrastructure and thoughtful design can transform this landscape. Here are some of the compelling challenges you can help us address:Reimagine Compliance and Operations: Automate tedious manual processes to significantly enhance team productivity.Develop AI-Powered Financial Applications: Create sophisticated systems that improve transaction processing, risk assessment, and regulatory compliance across diverse jurisdictions.Empower SMB Financial Access: Equip smaller businesses with financial tools that were previously exclusive to larger institutions, leveraging stablecoins to facilitate global market access and liquidity.Simplify Global Workflows: Design user-centric experiences that provide clarity in payments across various countries and currencies.Establish Robust Technical Foundations: Support a variety of payment rails globally, reconcile currencies and institutions, while ensuring security on an international scale.Enhance Team Performance: Introduce innovative technologies and practices that elevate our collaborative development and operational processes.Location: Palo Alto, CA (Hybrid)Our positions in hub locations are hybrid, requiring in-office attendance on core working days of Tuesday and Wednesday. We offer flexible work arrangements based on proximity to our hubs. Tensec values face-to-face connections, thus we prioritize candidates who can work in-person.

About VoltaiVoltai is at the forefront of developing sophisticated models and agents that enable learning, evaluation, planning, experimentation, and interaction with the physical world. Our initial focus is on understanding and constructing hardware, including electronic systems and semiconductors where artificial intelligence can surpass human cognitive capabilities.About the TeamSupported by premier Silicon Valley investors, Stanford University, and industry leaders such as CEOs and Presidents from Google, AMD, Broadcom, and Marvell, our team comprises former Stanford professors, SAIL researchers, Olympiad medalists, and top executives from Synopsys, GlobalFoundries, and Cadence, alongside distinguished former government officials.About this RoleAs a Firmware Engineer, you will be responsible for designing and implementing firmware that connects AI-driven hardware with physical devices. Your work will encompass system bring-up, control, and diagnostics, facilitating adaptive and self-optimizing behavior in real-time systems. Collaborate with electrical, systems, and verification engineers to create embedded software that powers intelligent machines.

Join subsense as a DevOps Engineer and be part of a team that is driving innovation in cloud technologies. In this role, you will collaborate with cross-functional teams to design, implement, and maintain scalable and reliable infrastructure. Your expertise will help us streamline our development processes and enhance our deployment strategies.

Join clera as a Founding Engineer and be part of a pioneering team that is set to revolutionize the industry. As a core member of our startup, you will play a crucial role in shaping our technology stack and driving product development from the ground up. This is an exceptional opportunity for an innovative and motivated engineer who thrives in a dynamic environment.

At genbio, located in the heart of Silicon Valley, we are an innovative start-up driven by a team of visionary scientists, engineers, and entrepreneurs. Our mission is to revolutionize biology and medicine with the transformative capabilities of Generative AI. We unite some of the most brilliant minds in AI and Biological Science, challenging the limits of what can be achieved. Our commitment is to holistically decode biology and create a new era of life-changing solutions. As pioneers in the field of pan-modal Large Biological Models (LBM), we are at the forefront of biomedicine, leveraging LBM training to facilitate groundbreaking advancements in healthcare. With an exceptionally robust R&D team, we are positioned to lead in LLM and generative AI technologies, making a global impact from our headquarters in California and our branch office in Paris. Join us on this exciting journey to redefine the future of biology and medicine.

Key ResponsibilitiesIn charge of designing and developing mechanical components and assemblies for data collection hardware and robotic devices.Rapidly prototype, test, and refine designs using 3D printing, CNC machining, and manual fabrication techniques.Engage in Design for Manufacturing (DFM) and Design for Assembly (DFA) to transition designs from low-volume prototypes to high-volume production.Source components and collaborate closely with machine shops and contract manufacturers to ensure timely and precise production of parts.Conduct basic analyses including tolerance, structural, and thermal assessments to support design validation.Create specifications and accelerated test plans to ensure product longevity and reliability.Support documentation efforts for design reviews and testing phases.Work collaboratively with cross-functional teams (electrical, software, industrial design) to consolidate design requirements and integrate mechanical systems effectively.

Join Harmony, an innovative open blockchain platform that leverages data sharding and rapid finality. Our on-chain tokens empower social games and community AI, facilitating micro-payments, smart contracts for market pricing, and ensuring data privacy through zero-knowledge proofs.At Harmony, our mission is to foster trust and establish a radically equitable economy. Our decentralized platform is built to be scalable and secure, enabling transactions without the need for trusted intermediaries. Embark on a Journey to InnovationAs a Day-1 startup, we recognize that blockchains are becoming foundational to the global economy, yet their current adoption stands at a mere 1%. This presents a unique opportunity for pioneering developers like you to influence the future with a tenfold impact. Harmony thrives on community engagement, with a network boasting hundreds of applications and a team passionate about ambitious goals. The invincible summer of innovation is upon us!As an engineer, your profound understanding of bytes and systems is invaluable. You are not just a coder but a creator of tools and a solver of complex problems. Your day might involve prototyping cutting-edge research, debugging in hexadecimal, or collaborating asynchronously with a dynamic team of engineers across the globe. Building a blockchain is akin to assembling an aircraft mid-flight, but if you flourish in chaos, why not take the leap?For those with a creative flair, we appreciate your dedication to enhancing user experiences. You embody the roles of product designer, brand strategist, and industry analyst. Your typical day could involve analyzing user satisfaction metrics, crafting compelling narratives, or leading scrum sessions for product launches that will engage millions. Cultivating a community is an art that requires passion and a commitment to sustaining culture for decades. If this is your lifelong dream, the time to start is now! Discover our vision for the future at Social A(G)I and Shard 1.

At Harmony, we are pioneering an open blockchain platform that utilizes data sharding and achieves rapid transaction finality. Our innovative on-chain tokens facilitate micro-payments for social games and community AI, while smart contracts enable market pricing, and zero-knowledge proofs ensure data privacy.Our mission at Harmony is to scale trust and construct a radically fair economy. We are dedicated to providing a decentralized, scalable, and secure platform that allows for transaction settlements without the need for trusted intermediaries. Join Us in Building the FutureAs a Day-1 startup, we recognize that while blockchains are set to become the bedrock of the global economy, their current adoption rate is merely 1%. This presents you, as a pioneering developer, the opportunity to make a significant impact. Harmony thrives on community involvement, boasting a network that supports hundreds of applications and a team driven by ambitious goals. Together, we are poised for an invincible journey ahead!For engineers, we appreciate your profound understanding of data operations. You are a tool maker, system hacker, and math enthusiast rolled into one. Your day may consist of prototyping cutting-edge research papers, debugging and profiling in hexadecimal, or synchronizing tasks with a diverse team of engineers in an open environment. Building a blockchain is akin to leaping off a cliff while constructing a plane mid-air – if you thrive in chaos, why not take the plunge?For creatives, your passion for user experience is invaluable. You embody the roles of a product designer, brand manager, and industry analyst all in one. Your typical day includes analyzing metrics to discover what captivates and frustrates users, crafting detailed narratives to explain the 'why' and 'how', and collaborating on product launches to engage millions of users. Building a community is like sharing your heartfelt vision while nurturing a vibrant culture for years to come – if this is your lifelong dream, start today! Discover our project vision on Social A(G)I and Shard 1.

Join mindrobotics as a Data Engineer, where you will play a pivotal role in developing the data systems that drive large-scale AI training for robots. This position is centered around transforming extensive data into well-organized, high-quality datasets. You will take ownership of data pipelines, labeling workflows, storage, and cloud infrastructure from start to finish. If you thrive in scaling environments, enjoy creating bespoke tools when existing solutions are inadequate, and aim to enhance data reliability for rapid iteration, you'll find a welcoming home here. Collaborate closely with researchers and engineers to ensure that our data propels swift and impactful advancements in robot training and evaluation.