Platform Architect
Embedding Vc · San Francisco Bay Area
About this role
## Platform Architect ### About the Role The company operates **2000+ microservices** across dozens of **compliance-regulated sites** globally. They’re transforming this into a **modular financial cloud platform** by organizing services into **50–100 independently versioned business modules**. Each compliance site is represented as a **version set**—a pinned, validated combination of module versions—so every deployment is a **known-good, reproducible state**. As **Platform Architect**, you’ll own the **version engineering and module governance architecture** that ensures: - Every deployment is **reproducible** - Every change’s **blast radius is computable** - Every site composition is a **validated, known-good state** This is fundamentally a **build systems + dependency management + change propagation** problem at **financial-grade reliability**. --- ### Key Responsibilities - **Design the version set model** - Define each site as a **locked, tested combination** of module versions (similar to a Bazel workspace snapshot or Cargo.lock) - Build **version compatibility matrices** and **automatic constraint solving** - **Architect reproducible build pipelines** - Ensure any module/version produces **byte-identical artifacts** regardless of build time/location - Use **hermetic build environments**, **content-addressable artifact storage**, and **SLSA Level 3+ provenance** - **Build and maintain the live dependency graph** across 2000+ services - Combine **static analysis** (code/API/schema) and **runtime analysis** (traffic-weighted call patterns) - Perform **transitive dependency resolution** with **automatic conflict detection** - **Design monorepo + package ownership governance** - Establish clear module boundaries using **DDD** - Enforce ownership with **CODEOWNERS** - Implement cross-module change protocols - Add boundary enforcement tooling (lint rules, CI checks, architectural fitness functions) - **Architect change impact analysis** - For any PR, compute which **modules/sites/tests** are affected - Enable **selective test execution** (run only dependency-graph-proven relevant tests) - Produce **change confidence scoring** (blast radius + coverage + stability → risk grade) - **Design GitOps-driven multi-site deployment** - Use site config repos declaring **module versions** + **compliance parameters** - Support automated deployment strategies (e.g., patch auto-deploy, minor with review, major with migration plan, security force-push) - **Architect a four-layer testing framework** - Module self-test → Platform compliance tests (parameterized by country) → Cross-module integration tests → Site-specific tests - Enforce coverage automatically and **block deployments** when gaps are detected --- ### Major Requirements - **10+ years** in large-scale distributed systems / platform infrastructure - Deep expertise in **build systems and dependency management at scale** (e.g., **Bazel, Buck, Pants, Nx**, or equivalent; **1000+ packages**) - Production experience with **reproducible build engineering** - content-addressable storage, hermetic builds, deterministic CI, artifact provenance (**SLSA**) - Experience building **dependency graph tooling** - static/runtime dependency analysis, impact computation, selective testing - Strong background in **semantic versioning governance** across large service fleets - version resolution, compatibility constraints, lockfile-style pinning - Experience wit
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