Source Job

United States Unlimited PTO

  • Own the services that render verdicts on AI agents' actions and maintain the record of agent trajectories for enterprise security teams.
  • Keep trajectory reads fast at scale, design event models for all agent surfaces, and ship schema changes without production downtime.
  • Ensure every verdict cites exact events behind it for customer audit records.

Postgres Rust Python TypeScript Event Sourcing

20 jobs similar to Principal Software Engineer (Data Infrastructure)

Jobs ranked by similarity.

$240,000–$280,000/yr
US Unlimited PTO

  • You own the architecture of Sondera's backend services, deciding how they are designed, scale, and fail closed.
  • You set the technical bar, run design review, and turn AI security research into enforceable systems-level guarantees.
  • In your first year, you write the architecture of record, prove verdicts replay exactly, and raise the bar on every principal hire.

Sondera AI agents act on what people write, enforcing policy through natural-language rules to ensure semantic integrity. Backed by Decibel, Runtime Ventures, and Aviso Ventures, their team has built products at Cylance, Databricks, and HiddenLayer.

$220,000–$260,000/yr
US Unlimited PTO

  • Build labeled evaluations from real agent activity and publish monitor precision and recall.
  • Run monitors across customer fleets and identify unread events.
  • Turn patterns into proposed policies and refinements for security engineers.

Sondera develops a policy engine for AI agents that enforces natural-language rules to ensure agents act as intended. The team includes veterans from top security and AI companies and is backed by leading venture firms, emphasizing a remote, writing-intensive culture.

$220,000–$260,000/yr
US Unlimited PTO

  • Own the API service behind the Sondera console that serves all clients.
  • Design and implement versioned APIs, authorization models, and staged rollouts.
  • Turn AI security research into enforceable systems-level controls.

Sondera builds AI agents that enforce policies based on written rules to prevent harmful sequences. The team has experience at companies like Cylance and Databricks, and is backed by Decibel, Runtime Ventures, and Aviso Ventures.

$220,000–$260,000/yr
United States Unlimited PTO

  • Deploy Sondera through customers' device management and integrate their agents, turning written rules into policy.
  • Own each customer's post-deployment success, including upgrades, policy tuning, and adversarial testing.
  • Collaborate with GTM to drive technical evaluations and expansions, bringing recurring needs back into the product.

Sondera builds AI agents that enforce written policies on agent actions, using natural-language rules. Their experienced team is backed by Decibel, Runtime Ventures, and Aviso Ventures, fostering a remote-first culture.

$220,000–$260,000/yr
US Unlimited PTO

  • Apply formal methods to measure and improve policy enforcement for AI agents.
  • Build automated checks for policy changes using simulations and solver-backed analysis.
  • Ship research results into the product quarterly, with metrics and rollback capabilities.

Sondera develops AI agents that enforce natural-language policies. The company is backed by Decibel, Runtime Ventures, and Aviso Ventures, and its team has built products at Cylance and Databricks.

$62,415–$77,088/yr
Canada

  • Architect, code, and deploy custom AI agents and automation solutions using Python and frameworks such as LangChain and AutoGen.
  • Build retrieval augmented generation (RAG) systems with LLMs, PostgreSQL/pgvector, and vector databases for secure data access.
  • Develop full-stack AI applications with secure APIs, CI/CD pipelines, and monitoring to deliver measurable ROI.

Geotab is a global leader in IoT and connected transportation, providing web-based analytics to help businesses manage fleets. It is a certified Great Place to Work with a fast-paced, inclusive culture.

$127,500–$165,000/yr
Canada USA 5w PTO

  • Build and maintain features across CLI, backend, and frontend with AI coding agents as a core part of your workflow.
  • Take ownership of projects from idea through deployment and beyond, making architecture and design decisions.
  • Collaborate closely with teammates, operationalize quality, and contribute to a culture of support and excitement.

Minimal builds a secure, reproducible foundation for software with private artifact registries and policy enforcement. They are a small, remote team that values predictable and effortless software development.

Global

  • Build and operate production backend services behind Supabase's AI products, including the MCP server.
  • Own authentication and authorization for AI and agent clients, including OAuth apps and scoped tokens.
  • Define, measure, and meet reliability targets, participate in on-call rotation, and handle capacity and abuse for agent traffic.

Supabase provides the Postgres development platform, offering a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. With ~400 team members across 60+ countries, they are a born-remote, open-source-first company building tools developers love.

US Europe

  • Own the access layer and integration architecture for the Applied AI team's Intelligence Core and external agentic-commerce products.
  • Define versioned schemas, signed records, authority lease services, and tamper-evident logging for verifiable agent actions.
  • Lead security-first engineering practices, including least-privilege access, zero raw PII, and evaluation of advanced agent frameworks.

Zerohash is a crypto and stablecoin infrastructure platform that powers digital money services for banks, brokerages, and fintechs. Founded in 2017 and backed by over $280 million in funding, the company is a regulated, compliance-first organization trusted by major financial brands.

$215,000–$325,000/yr
US

  • Design and build the agent runtime, including dispatch, execution lifecycle, tool calling, and error handling.
  • Build the extension system and trust boundary, ensuring safe default actions and auditable permissions.
  • Design the context system and inference layer, with provider abstraction and observability.

Yaklabs is building a desktop AI application that turns knowledge workers into AI power users. The small, high-intensity team is funded and led by industry veterans.

Global

  • Architect the evolution of Venice's data infrastructure, designing scalable data models and schemas that make complex information intuitive and queryable.
  • Build systems that ensure data accuracy, completeness, consistency, and explainability through validation, reconciliation, testing, and monitoring.
  • Make data dramatically easier to query and trust by improving performance, creating intuitive schemas, and enabling AI-based access.

Venice is the world's leading consumer AI company focused on privacy, free speech, and user sovereignty. It is a fast-growing team of unorthodox builders who believe in moving quickly and delivering a beautiful mass-market product without surveillance or censorship.

$157,500–$185,000/yr
US

  • Build at the customer site: write production-quality agents, integrations, and data pipelines on Redpanda ADP inside the customer’s environment and codebase.
  • Work in unfamiliar territory fast: ramp quickly in new codebases, data environments, and constraints.
  • Own the technical deliverable from design to handoff, ensuring it is documented, maintainable, and running in production.

Redpanda is the first runtime and control plane for agent-data interaction, combining streaming, SQL analytics, and intelligent connectivity with governance for enterprise AI agents. It is a fast-moving, diverse, people-first organization with team members around the globe, trusted by Fortune 500 companies and startups.

$133,500–$150,000/yr
Americas Unlimited PTO

  • Ship backend features end to end, from a rough customer ask to running in production, often in days rather than weeks.
  • Build testing systems and harnesses that let agents ship changes safely, and work directly with customers when issues arise.
  • Utilize agents heavily in daily work, but have deep understanding of system architecture and participate in oncall.

Lumos is the industry's first Autonomous Identity Platform, providing software that surfaces and acts on access risk, with an AI agent named Albus for identity management. The company has grown from 20 to ~130 employees, raised over $65M from top investors, and is recognized as a top startup employer.

Global

  • Driving the progress of the Turso Open Source database, in particular the Postgres compatibility layer.
  • Making sure code works, and never breaks, and putting the systems and guarantees in place for that to happen.
  • Maintaining the Turso Cloud operations, including the Cloud API and data plane operations.

Supabase is the Postgres development platform, built by developers for developers, providing a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. The company is born-remote and open-source-first, with ~400 team members across 60+ countries, moving fast and building in public.

France Belgium Spain

  • Own end-to-end delivery of agentic platform features, from design to production.
  • Architect and scale the runtime that powers AI agents across the company.
  • Mentor engineers and drive reliability, cost, and security in production.

Alan is a health insurance and prevention platform that integrates insurance, prevention, and care into a single user experience. With over 1,000 employees, 1M+ members, and 40K+ partner companies, the company fosters a culture of ownership, speed, and collaboration.

$115,200–$162,000/yr
North America Unlimited PTO

  • Build and iterate on Rust backend features for the Knowledge Graph service, including query and indexing flows.
  • Maintain integrations across GitLab, including Rails, NATS, ClickHouse, and the Duo Agent Platform.
  • Contribute to design discussions and improve operational maturity with metrics, runbooks, and async collaboration.

GitLab is an intelligent orchestration platform for DevSecOps that helps organizations improve developer productivity and security. More than 50 million users and over half the Fortune 100 trust GitLab's all-remote, high-performance culture.

Global

  • Build and improve AI tooling including MCP server, agent skills, and the dashboard assistant.
  • Drive an eval-first approach with strong tests, benchmarks, and feedback loops.
  • Work across teams to deliver a coherent developer experience and stay close to the fast-moving AI ecosystem.

Supabase is the Postgres development platform providing a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. With about 400 team members across 60+ countries, they are a fully remote, open-source-first company that builds developer tools.

North America 6w PTO

  • Take an active role in influencing the roadmap and own critical systems for Grafana's next-generation storage layer.
  • Collaborate with your team to design, build, operate, and maintain large distributed systems at scale.
  • Mentor teammates and participate in on-call rotations while embracing open-source culture.

Grafana Labs is the company behind Grafana Cloud, a fully managed observability platform trusted by over 10,000 organizations. We are a 100% remote company with team members across 40+ countries, built on an open-source legacy and a collaborative, innovation-driven culture.

$229,500–$260,000/yr
US Unlimited PTO

  • Set technical direction for database architecture, schema design, and query performance across the platform.
  • Own reliability, migrations, and observability for data stores including PostgreSQL and graph databases.
  • Mentor engineers and serve as the database expert for cross-team design and code reviews.

Horizon3 is a cybersecurity company that provides autonomous pentesting and security assessment through its NodeZero platform. It is a remote-first team of former special operations and startup engineers, committed to a culture of respect, collaboration, ownership, and results.

Europe

  • Build and ship end-to-end product features across frontend, backend, and AI pipelines independently.
  • Advance AI capabilities through prompt engineering, evaluation, and multi-provider setups in production.
  • Operate live systems and shape technical architecture, engineering standards, and roadmap as an early hire.

The company builds digital infrastructure for grant funding, aggregating 18,000+ funding programmes with AI-supported analysis and expert review. As one of the first engineering hires, you'll shape the culture of ownership, iteration, and customer-first values.