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Blacksmith

Fast GitHub Actions runners on high-performance hardware

developer toolsSan Francisco, CA1-50Series AOnsiteFounded 2024Salary transparent
About

Blacksmith provides drop-in replacement runners for GitHub Actions using bare-metal gaming CPUs and optimized software stack. It serves engineering teams at companies like Ashby and Supabase, delivering 2x faster CI/CD execution at half the cost with better caching and observability. This reduces build times and expenses, enabling faster software shipping.

Tech stack
FirecrackerHexClaude AISales MethodologiesOnboarding LogisticsC++ephemeral computenamespacesGitHub ActionsReactJavaScriptTypeScriptProduct MarketingAWSGCPAzureDockerKubernetesTerraformLinux
Perks & benefits
Health insuranceDental insuranceVision insuranceUnlimited PTO401k matchPaid family leaveEquityTeam offsites
Open roles 12

Product Marketing Manager

Own product positioning, launches, and sales enablement for a fast-growing CI infrastructure startup. Translate complex technical concepts into compelling customer messaging and drive GTM execution.

180k – 250kSan Francisco, CAProduct MarketingOn-site5+ YOECase StudiesBlog Writing

Head of Capacity

The Head of Capacity will own capacity planning across compute, storage, networking, and datacenter infrastructure. This role involves building forecasting models, managing vendor relationships, and leading hardware procurement to ensure Blacksmith can scale ahead of customer demand.

San Francisco, CABusiness OperationsOn-siteNetworkingForecasting

Head of Finance

The Head of Finance will own financial planning, forecasting, budgeting, and board reporting, working closely with founders on capital allocation, infrastructure investment, and financing strategy. This role requires an exceptional financial modeler with strong business judgment.

San Francisco, CAFinance & AccountingOn-site7+ YOEFP&ABudgeting

Staff Product Engineer

Staff Product Engineer leads architecture and development of novel AI-native developer tooling products from 0-1, ensuring production reliability and mentoring senior engineers. Requires expertise in building exceptional products, power usage of coding agents, and influential technical leadership.

280k – 380kNew York, NYEngineering ManagementOn-siteCephCoding Agents

Principal Systems Engineer

Principal Systems Engineer sets technical direction for core infrastructure, owns architecture for reliability and performance at scale, and mentors senior engineers. Requires deep expertise in virtualization, distributed storage like Ceph, and Linux kernel primitives.

280k – 380kNew York, NYDevOps / SREOn-siteQemuCeph

Technical Support Engineer

Technical Support Engineer diagnoses and resolves complex issues for customers using Blacksmith's high-scale CI infrastructure, reproduces bugs with engineering, and builds automations. Requires experience with distributed systems, AI/agent workflows, and customer-focused technical support.

160k – 180kNew York, NYSupport EngineeringOn-siteCephLinux

Manager, Revenue Operations

Leads Revenue Operations for a fast-scaling GTM team, owning Salesforce, sales engagement tools, BI analytics, forecasting, and cross-functional processes with Sales, Marketing, and Finance. Requires 5-8 years in RevOps/Sales Ops in high-growth SaaS, with hands-on expertise in GTM systems and strong analytical skills.

121k – 162kSan Francisco, CARevenue OperationsOn-site5+ YOEHexSQL

Solutions Engineer

Partners with sales to deliver technical demos, POCs, and deep dives for CI/CD solutions, acting as a trusted advisor to engineering leaders. Requires strong CI/CD expertise, cloud infrastructure knowledge, and customer-facing technical communication skills.

San Francisco, CASales EngineeringOn-siteAWSGCP

Account Executive, Digital Native

Drives new business acquisition for high-growth digital native companies by owning the full sales cycle, from outbound prospecting to closing deals with engineering and executive buyers. Requires 3+ years quota-carrying experience selling technical SaaS or infrastructure, with a hunter mindset and credibility in CI/CD and DevOps discussions.

180k – 240kSan Francisco, CAAccount ExecutiveOn-site3+ YOECI/CDDevOps

Business Operations Lead

Leads business operations by owning core processes like billing, onboarding, and vendor management, while acting as a force multiplier for founders in a fast-paced startup. Thrives in ambiguity, automates tasks using AI, and works onsite in San Francisco.

170k – 210kSan Francisco, CABusiness OperationsOn-siteSlackAI Tools

Systems Engineer

Builds and scales distributed systems infrastructure for high-performance CI workloads, focusing on performance/reliability in filesystem, network, and storage. Requires 2+ years experience with C/C++/Go/Rust/Zig and onsite work in NYC.

200k – 300kNew York, NYDevOps / SREOn-site2+ YOECGo

Product Engineer

Builds AI-powered coding agents, debugging tools, and high-performance UIs for CI platform using React and full-stack skills. Requires 3+ years experience, strong CS fundamentals, and onsite work in NYC.

200k – 300kNew York, NYFullstack EngineeringOn-site3+ YOECSSHTML