| 🎨 Frontend Developer | React/Vue/Angular, UI implementation, performance | Modern web apps, pixel-perfect UIs, Core Web Vitals optimization |
| 🏗️ Backend Architect | API design, database architecture, scalability | Server-side systems, microservices, cloud infrastructure |
| 📱 Mobile App Builder | iOS/Android, React Native, Flutter | Native and cross-platform mobile applications |
| 🤖 AI Engineer | ML models, deployment, AI integration | Machine learning features, data pipelines, AI-powered apps |
| 🚀 DevOps Automator | CI/CD, infrastructure automation, cloud ops | Pipeline development, deployment automation, monitoring |
| 🌐 Network Engineer | Cisco IOS/IOS-XE, Juniper Junos, Palo Alto PAN-OS | Router/switch/firewall configuration, BGP/OSPF, ACLs, show-output troubleshooting |
| ⚡ Rapid Prototyper | Fast POC development, MVPs | Quick proof-of-concepts, hackathon projects, fast iteration |
| 💎 Senior Developer | Laravel/Livewire, advanced patterns | Complex implementations, architecture decisions |
| 🔧 Filament Optimization Specialist | Filament PHP admin UX, structural form redesign, resource optimization | Restructuring Filament resources/forms/tables for faster, cleaner admin workflows |
| ⚡ Autonomous Optimization Architect | LLM routing, cost optimization, shadow testing | Autonomous systems needing intelligent API selection and cost guardrails |
| 🔩 Embedded Firmware Engineer | Bare-metal, RTOS, ESP32/STM32/Nordic firmware | Production-grade embedded systems and IoT devices |
| 🚨 Incident Response Commander | Incident management, post-mortems, on-call | Managing production incidents and building incident readiness |
| ⛓️ Solidity Smart Contract Engineer | EVM contracts, gas optimization, DeFi | Secure, gas-optimized smart contracts and DeFi protocols |
| 🧭 Codebase Onboarding Engineer | Fast developer onboarding, read-only codebase exploration, factual explanation | Helping new developers understand unfamiliar repos quickly by reading the code, tracing code paths, and stating facts about structure and behavior |
| 📚 Technical Writer | Developer docs, API reference, tutorials | Clear, accurate technical documentation |
| 💬 WeChat Mini Program Developer | WeChat ecosystem, Mini Programs, payment integration | Building performant apps for the WeChat ecosystem |
| 👁️ Code Reviewer | Constructive code review, security, maintainability | PR reviews, code quality gates, mentoring through review |
| 🗄️ Database Optimizer | Schema design, query optimization, indexing strategies | PostgreSQL/MySQL tuning, slow query debugging, migration planning |
| 🌿 Git Workflow Master | Branching strategies, conventional commits, advanced Git | Git workflow design, history cleanup, CI-friendly branch management |
| 🏛️ Software Architect | System design, DDD, architectural patterns, trade-off analysis | Architecture decisions, domain modeling, system evolution strategy |
| 🛡️ SRE | SLOs, error budgets, observability, chaos engineering | Production reliability, toil reduction, capacity planning |
| 🧬 AI Data Remediation Engineer | Self-healing pipelines, air-gapped SLMs, semantic clustering | Fixing broken data at scale with zero data loss |
| 🔧 Data Engineer | Data pipelines, lakehouse architecture, ETL/ELT | Building reliable data infrastructure and warehousing |
| 🔗 Feishu Integration Developer | Feishu/Lark Open Platform, bots, workflows | Building integrations for the Feishu ecosystem |
| 🧱 CMS Developer | WordPress & Drupal themes, plugins/modules, content architecture | Code-first CMS implementation and customization |
| 📧 Email Intelligence Engineer | Email parsing, MIME extraction, structured data for AI agents | Turning raw email threads into reasoning-ready context |
| 🎙️ Voice AI Integration Engineer | Speech-to-text pipelines, Whisper, ASR, speaker diarization | End-to-end transcription pipelines, audio preprocessing, structured transcript delivery |
| 🖧 IT Service Manager | ITIL 4 service management | Incident/problem/change management, SLAs, CMDB |
| 🪡 Minimal Change Engineer | Minimum-viable diffs | Fixing only what's asked, no scope creep |
| 📜 OrgScript Engineer | OrgScript grammar & AST validation | Designing/parsing OrgScript business-logic definitions |
| 🧬 Prompt Engineer | LLM prompt design & optimization | Turning vague instructions into reliable AI behaviors |
| 🕸️ Multi-Agent Systems Architect | Multi-agent pipeline design & governance | Topology, context, trust, failure recovery for agent systems |
| 🛒 Drupal Shopping Cart Engineer | Drupal Commerce storefronts | Catalog, payments, checkout, orders on Drupal 10/11 |
| 🛍️ WordPress Shopping Cart Engineer | WooCommerce storefronts | Catalog, payments, checkout, conversion on WordPress |
| 💳 Payments & Billing Engineer | PSP integration, idempotent payment flows, subscription billing | Stripe/Adyen/Braintree integrations, webhook processing, dunning, reconciliation |
| 🌍 Internationalization Engineer | ICU MessageFormat, RTL/bidi layouts, CLDR formatting, pseudo-localization | Making apps translation-ready, locale-aware formatting, RTL support, i18n audits |
| ⚡ Drupal Performance Engineer | Drupal performance & Core Web Vitals | Caching, DB/query tuning, render pipeline, profiling high-traffic Drupal |
| ⚡ WordPress Performance Engineer | WordPress performance & Core Web Vitals | Caching, query/asset optimization, plugin tuning, profiling high-traffic WP |
| ♿ Section 508 Accessibility Specialist | US federal 508 / WCAG accessibility | ARIA, screen-reader testing, VPAT/ACR authoring, remediation |
| 🏛️ USWDS Developer | US Web Design System (federal) | Accessible gov UI components & design-system patterns |
| 🔎 Search Relevance Engineer | Search ranking & relevance | Query understanding, embeddings, ranking/eval, relevance tuning |
| 🔐 Identity & Access Engineer | AuthN/AuthZ & IAM | OAuth/OIDC/SAML, SSO, RBAC/ABAC, token & session security |
| 🤝 Realtime Collaboration Engineer | Realtime sync & presence | CRDTs/OT, conflict resolution, live cursors, offline sync |
| 💻 Desktop App Engineer | Cross-platform desktop apps | Electron/Tauri, native integration, packaging, auto-update |
| 🚀 Mobile Release Engineer | Mobile release & CI/CD | App Store/Play submission, signing, staged rollout, crash triage |
| 🎬 Video Streaming Engineer | Video streaming & transcoding | HLS/DASH, ABR, codecs, CDN delivery, low-latency streaming |
| 💰 FinOps Engineer | Cloud cost engineering | Cost allocation, rightsizing, unit economics, budget & anomaly control |
| 🧩 WebAssembly Engineer | WebAssembly & WASI | Rust/C++→WASM, sandboxing, host bindings, performance |
| 🔌 API Platform Engineer | API gateways & platforms | Gateway design, versioning, rate limiting, developer portals |
| 🛟 Database Reliability Engineer | Database reliability (DBRE) | HA/replication, automated failover, PITR backups, zero-downtime ops |
| 🛠️ Developer Tooling Engineer | CLI & developer tooling | Command-line tools, internal DX, build/dev workflows |
| 📡 IoT Fleet Engineer | IoT & edge fleet | Device provisioning/identity, MQTT telemetry, OTA updates |
| 🔍 RAG Pipeline Engineer | Production RAG pipelines | Chunking, retrieval quality, hybrid search, re-ranking, eval-driven iteration |
| 🗄️ GaussDB Expert Engineer | Huawei GaussDB OLTP | Enterprise OLTP performance, HA, and migration on Huawei's GaussDB |
| 🕵️ Privacy Engineer | PII discovery, data minimization, consent enforcement, DSAR/deletion pipelines | Implementing privacy in code, right-to-be-forgotten across services, retention automation |
| 🦀 Rust Refactoring Specialist | Behavior-aware Rust refactoring | Reforming crates/traits/modules with evidence-based, behavior-preserving changes |
| 🧪 LLM Post-Training Engineer | Post-training stack (SFT/DPO/GRPO/RLVR) | Evidence-based experiment gating, checkpoint integrity, failure classification |
| 📈 Data Visualization Engineer | Perceptually honest data viz | Chart-type selection, colorblind-safe palettes, performant D3/Vega rendering |
| 🧠 Knowledge Graph Engineer | Knowledge graphs, entity-relationship extraction, graph-enhanced RAG | Structuring documents into queryable Neo4j graphs with LangGraph; provenance, contradiction tracking, subgraph retrieval |
| 🌏 China Network Engineer | Huawei VRP, H3C Comware, Ruijie RGOS, Hillstone StoneOS | Routing/switching/firewall design, NAT, MLPS 2.0 compliant borders, change windows with rollback plans |
| 🛤️ Platform Engineer | Internal developer platforms, golden paths, IDPs, self-serve infrastructure | Paved-road scaffolding, developer experience measurement, platform-as-a-product roadmaps |
| 📑 PDF Engine Architect | Deterministic HTML-to-PDF compilation, tagged PDF/UA and PDF/A | Playwright render pools, dynamic page sizing, archival-grade document output |
| 🎯 ATS Validator Architect | Resume parseability, ATS ingestion pipelines | BM25/TF-IDF relevance scoring, layout linearization audits, EU AI Act and NYC LL144 compliance |
| 📑 Universal Document Compiler | Schema-agnostic document ASTs, data-shape layout inference, paged publishing | Compiling arbitrary YAML trees into proposals, technical specs, executive dossiers |
| 🛠️ ServiceNow Developer & Mentor | Business Rules, Script Includes, GlideAjax, ACLs, Flow Designer | ServiceNow development and step-by-step instance troubleshooting |