decircle

Infrastructure Engineer

• Help build and scale Hyperbolic's GPU Cloud Marketplace, by building a multi-tenancy provisioning and virtualization solution
• Responsible for transforming raw GPUs from diverse global suppliers into a programmable, orchestrated pool that serves thousands of AI developers and researchers
• Work at the cutting edge of cloud infrastructure, building the core orchestration layer that enables our platform to deliver up to 75% cost savings compared to traditional cloud providers

Senior GPU Infrastructure Engineer

Platform Engineer

• Architect & build backend systems
• Optimize performance & scalability
• Enhance security & reliability
• Cross-company collaboration
• Contribute to code reviews
• Participate in research & innovation
• Interface with Customers

Senior Platform Engineer

Full-stack Engineer

• Responsible for extending Circle's in-house blockchain systems infrastructure to support the tokenization of the world;
• Analyzing requirements, procedures, and problems to improve existing systems and modifying systems;
• Building and owning scalable microservices that are responsible for reliable and secure APIs that transfer value and assets across all blockchain protocols as well as traditional banking protocols;
• Collaborating with Product and Engineering teams to design, test, and shape Circle features, including developing and documenting system design procedures, testing procedures, and quality standards;
• Troubleshooting program and system malfunctions to restore normal functioning;
• Building publicly accessible APIs that make it simple for developers to integrate with complex payment systems;
• Integrating Platform Services with leading banks and financial technologies;
• Consulting with management to ensure agreement on system principles;
• Writing the infrastructure to deliver great payment experiences, including data sources (SQL or NoSQL), messaging systems and APIs;
• Other duties as assigned.

Staff Software Engineer

AI Engineer

• Design and build single and multi-agent systems with planning, memory, and tool use
• Build and operate MCP servers with secure schemas and permissions
• Develop agentic workflows using LangGraph or equivalent frameworks
• Integrate LLMs via SDKs; manage prompts, structured outputs, and tool calling
• Define and run LLM evaluations for quality, correctness, latency, cost, and regressions
• Build observability and reliability infrastructure: logging, tracing, retries, state management
• Optimize performance and cost from prototype to production
• Mentor engineers and establish agentic best practices

Financial Planning and Analysis

• Design, build, and maintain DeFi market infrastructure
• Develop and scale production-grade Python systems
• Build tooling, automation, monitoring, and reporting
• Improve system safety, reliability, and performance
• Review and harden existing infrastructure
• Collaborate with protocol, research, and operations teams

Senior Engineer

DeFi

• Manage a portfolio of yield-generating opportunities across protocols and blockchains.
• Collaborate with engineers on strategy execution and integration.
• Design and manage algorithm development and backtesting for actionable insights on DeFi portfolio management.
• Create frameworks for risk analysis and portfolio optimization.
• Monitor data, forecast risk, and design triggers to enter opportunistic strategies or exit major market events early

DeFi Researcher

Smart Contract Engineer

• Design, implement, and test Solidity smart contracts for data tokenization, licensing, and pricing workflows.
• Develop robust on-chain data structures to represent enterprise datasets, metadata, and access conditions.
• Architect marketplace and exchange primitives including order books, escrow, dispute resolution, and royalties.
• Integrate pricing logic grounded in financial derivatives (e.g., options pricing, bonding curves, auction models).
• Optimize gas efficiency and ensure upgradability where needed using proxies or modular contracts.
• Collaborate with auditors and internal security teams to harden contracts against vulnerabilities.
• Work cross-functionally with product and protocol teams to define new features and mechanisms.

Solidity Engineer

• You’ll work directly with founder and CEO
• Taking ownership of meaningful chunks of backend, full-stack, and security work
• Design and build backend services connecting custody, fiat rails, policies, and operational workflows
• Implement and maintain APIs and services for ACH, wires, cards, permissions, AML/compliance workflows, and reporting
• Implement and review Solidity smart contracts, focusing on correctness, safety, and upgradeability
• Contribute to threat modeling, security reviews, and audit/vendor management
• Collaborate on the design and implementation of customer-facing applications (currently Dart/Flutter)
• Translate user and operational needs into product and UX decisions
• Own parts of audit/security review processes for your areas of the stack
• Coordinate with external security firms

Fullstack Engineer

Crypto

• Define and lead the strategy for integrating institutional financial assets into the Plume ecosystem, creating bridges between traditional capital markets and crypto.
• Cultivate and manage relationships with key institutional players including hedge funds, asset managers, banks, and family offices to increase adoption.
• Identify and execute new market opportunities by leveraging real-world assets to generate novel speculation, yield, and liquidity products.
• Represent Plume at industry conferences and discussions, positioning the company as a leading force in the convergence of traditional finance and decentralized systems.
• Oversee the development of capital markets infrastructure on Plume, focusing on asset tokenization, compliance, regulatory frameworks, and liquidity optimization.
• Collaborate with the product team to create RWA products and services such as derivatives, lending platforms, structured finance products, and yield-generation strategies designed for institutional investors.

Head of Digital Assets

• Contribute to the technical direction of our application architecture across backend and frontend
• Design and build UIs, SDK, and API infrastructure
• Build visualization tools for monitoring policy enforcement and network activity
• Collaborate with protocol engineers to design developer-friendly abstractions

Senior FullStack Engineer

• Design and build full-stack systems for our AI financial agent.
• Develop scalable APIs and backend services to support agent workflows.
• Build high-performance, user-facing interfaces to visualize agent reasoning and surface insights, as well as enable real-time interaction.
• Collaborate with AI researchers to integrate and productionize agent logic.
• Connect and manage data pipelines from financial sources.
• Implement testing, monitoring, and performance best practices.
• Stay up to date with LLM frameworks, full-stack tools, and financial trends.

Full Stack Engineer, AI

Frontend Engineer

• Build and maintain modern front-end web applications that power Cybrid’s customer, partner, and internal-facing experiences.
• Implement new features and enhancements using React and TypeScript, integrating seamlessly with our Ruby on Rails backend APIs.
• Work closely with external partners and internal teams to design and deliver tailored, visually appealing, modern, performant, and delightful user experiences.
• Write automated front-end tests and monitor application performance to ensure a high-quality, responsive UI in production.
• Leverage AI-assisted development tools to accelerate coding, testing, and documentation while maintaining high code quality.

Senior Front End Engineer

Growth Marketing

• Develop and execute go-to-market (GTM) strategies to drive adoption of Pond’s AI models.
• Design and build a Developer and Area Ambassador Program to attract developers and general users while increasing project visibility and engagement.
• Optimize funnel metrics for developer and general user onboarding, ecosystem engagement, and retention.
• Identify and implement growth loops using on-chain data insights and AI-powered automation.
• Scale Pond’s developer ecosystem, fostering contributions and integrations.
• Manage community growth, overseeing content, engagement, and incentive programs.
• Lead educational initiatives, including workshops, hackathons, and grants to attract builders.
• Drive strategic partnerships with L1/L2 chains, DeFi protocols, DAOs, and AI-focused projects.
• Collaborate with marketing and research teams to position Pond as an AI leader in web3.
• Define and track KPIs related to user growth, adoption, and ecosystem health.
• Run A/B tests on user journeys, onboarding flows, and activation strategies.
• Leverage on-chain analytics, growth hacking techniques, and AI automation to optimize engagement.

Growth Lead

• Lead the architecture and development of Reya’s real-time trading and network interface
• Build highly performant, responsive UI components for data-heavy DeFi applications
• Collaborate closely with backend, protocol, and design teams to deliver a seamless product experience
• Ensure high standards of code quality, testing, and maintainability across the frontend codebase
• Optimize application performance through efficient code, advanced rendering techniques, and smart resource management

Senior Frontend Engineer

Software Engineer

• Own technical direction and architecture for PVP’s mobile trading experience.
• Build high-performance React Native UI for real-time trading, analytics, and social features at scale.
• Craft smooth, interruptible animations, gesture-driven motion systems, and tactile feedback that feel premium and effortless.
• Translate Figma design systems into reusable RN component libraries that scale.
• Work closely with designers to iterate on UI/UX in Figma and code, ensuring pixel-level fidelity.
• Design a robust, resilient real-time data pipeline for mobile using modern TypeScript state management and WebSockets.
• Bridge native modules (Swift/Kotlin) where performance, animations, or haptics demand it.
• Partner with backend engineers to optimize API and data-layer efficiency for bandwidth and latency.
• Profile and eliminate performance bottlenecks—achieve consistent 60 FPS across devices and platforms.
• Ship production-ready code with monitoring, debugging, and iterative tuning post-launch.