Software Engineer, Systems

Keycard Labs, Inc.

Job Overview

Location

US - Remote

Job Type

Full-time

Full Job Description

📋 Description

• Build and maintain the core infrastructure and systems that power Keycard’s agent-native identity and access control platform, including identity services, policy enforcement paths, audit logging, and runtime governance.
• Design and implement Kubernetes operators, CI/CD automation, and developer platforms that enable engineers to ship reliable software with confidence, treating the path to production as a product surface.
• Develop secure, resilient, and fault-tolerant distributed systems with strong expertise in consensus, coordination, and state management, ensuring deterministic guarantees around delivery, consistency, and availability.
• Work across the stack—from low-level system components to high-level developer tooling—contributing to both core product services and platform infrastructure that support global-scale agent-native applications.
• Create developer-facing platforms such as internal tooling, abstractions for CI/CD, and automation pipelines that reduce cognitive load and make reliable software delivery the default behavior for all engineers.
• Collaborate directly with founders, product, design, and SDK teams to align infrastructure decisions with product vision and developer experience goals.
• Help shape Keycard’s internal culture as an agent-native engineering organization by actively experimenting with and integrating AI coding agents (e.g., Claude Code, Cursor, MCP) into daily workflows.
• Implement and extend runtimes using technologies like eBPF, service meshes, custom Kubernetes operators, or plugin-driven architectures (WASM, dynamic policy engines) to enhance security and observability.
• Contribute to the design and adoption of emerging agent protocols such as MCP and A2A, alongside established identity standards like OIDC, OAuth, and mTLS.
• Build globally distributed systems with a focus on edge computing and intelligent routing to ensure agent-native applications remain fast, resilient, and context-aware across geographies.
• Prioritize best-in-class observability in all systems, ensuring comprehensive monitoring, logging, and alerting to maintain trust and control in dynamic, autonomous workflows.
• Lead by example in technical excellence, mentoring peers through clear written communication, async updates, and timely collaboration when needed.
• Make strategic trade-offs between shipping quickly and laying long-term architectural foundations, using iteration to accelerate learning and reduce risk in uncharted technical territory.
• Contribute to defining Keycard’s engineering culture, values, and practices as an early team member during a once-in-a-generation shift toward agent-native software.

🎯 Requirements

• Proficient in Go and/or Rust for building platform and product systems
• Proven experience building developer-facing platforms such as Kubernetes operators, CI/CD abstractions, or internal tooling
• Strong expertise in distributed systems, including consensus, coordination, and state management
• Demonstrated ability to thrive in 0→1 environments with high autonomy and ambiguity
• Experience treating the path to production as a product surface by creating automation that enables reliable, confident shipping
• Strong communication skills with emphasis on async written updates and clear technical documentation

🏖️ Benefits

• Market-competitive salary and generous equity package (4-year vest, 1-year cliff)
• Health, dental, vision, and paramedical coverage for employee and family
• 4 weeks vacation, 11 statutory holidays, and 1 annual volunteer day
• New MacBook Pro and $500 stipend for peripherals
• Access to best-in-class AI tools for agent-native workflow development
• Remote-first flexibility with team focused in North and South America

Skills & Technologies

Rust

Heroku

Kubernetes

OAuth

Remote

Degree Required

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Keycard Labs, Inc.

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About Keycard Labs, Inc.

Keycard Labs designs and manufactures NFC-enabled hardware security devices and open-source software for cryptocurrency wallets and digital identity. Their flagship product, the Keycard smartcard, integrates with mobile and desktop wallets to provide secure key storage and tap-to-sign transactions. The company focuses on developer tools, SDKs, and reference implementations to embed hardware-based authentication into decentralized applications.

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