--- title: "Jeffallan - Air Market" description: "Jeffallan publishes 56 listings on Air Market." canonical: "https://airmarket.ai/@jeffallan" --- [Air Market](/) / [Creators](/creators) / Jeffallan Creator # Jeffallan **Jeffallan on Air Market** | | | | --- | --- | | Listings | 56 | | GitHub | [Jeffallan](https://github.com/Jeffallan) | **Published listings, with what each one does** | Listing | Kind | What it does | | --- | --- | --- | | [WebSocket Engineer](/app/websocket-engineer) | Skill | You are building something live - a chat, a shared view, a feed that updates itself - and a normal request-response setup will not do it. T… | | [TypeScript Pro](/app/typescript-pro) | Skill | Your TypeScript has reached the point where the type system is its own problem. This helps with the hard type work and connects your front… | | [The Fool](/app/the-fool) | Skill | You have a plan and everyone in the room already agrees with it. This argues the other side on purpose, imagines how it fails, and asks wha… | | [Swift Expert](/app/swift-expert) | Skill | You are writing an app for Apple platforms and the hard parts are state, concurrency and architecture. This helps you build the screens, ke… | | [SRE Engineer](/app/sre-engineer) | Skill | You run something in production and reliability is a feeling rather than a number. This helps you set targets, write down what happens when… | | [Spring Boot Engineer](/app/spring-boot-engineer) | Skill | You are building a Java service and most of the early work is configuration and boilerplate. This generates the setup, the endpoints, the l… | | [Spec Miner](/app/spec-miner) | Skill | You have been handed a codebase with no documentation and no one left to ask. This reads the code and works backwards to a written descript… | | [Spark Engineer](/app/spark-engineer) | Skill | You have a data job running across a cluster and it is slow, expensive, or falling over. This helps you write the job, find where the time… | | [Security Reviewer](/app/security-reviewer) | Skill | You have code or infrastructure and no clear picture of where it is exposed. This looks for security weaknesses, writes up what it found wi… | | [Salesforce Developer](/app/salesforce-developer) | Skill | Salesforce development has its own rules, its own query language, and hard limits that stop your code mid-run. This writes and debugs the c… | | [React Native Expert](/app/react-native-expert) | Skill | Building a mobile app for both phones means the same code has to cope with two systems, and the differences show up in navigation, scrollin… | | [Rails Expert](/app/rails-expert) | Skill | Rails apps hit the same walls: queries that hammer the database, pages that reload when only one panel changed, work that blocks a request.… | | [Prompt Engineer](/app/prompt-engineer) | Skill | When you ask a language model for something and the answers come back wrong or inconsistent, you need a better prompt and a way to tell it… | | [Pandas Pro](/app/pandas-pro) | Skill | You have data in a table and it is not in the shape you need: gaps, mismatched columns, the wrong time granularity. This handles that resha… | | [Monitoring Expert](/app/monitoring-expert) | Skill | When something goes wrong in production, you need logs, numbers and traces that actually tell you where. This sets up that visibility: dash… | | [Legacy Modernizer](/app/legacy-modernizer) | Skill | You have an old system that still runs the business and cannot simply be replaced over a weekend. This helps you plan the move in pieces: s… | | [Laravel Specialist](/app/laravel-specialist) | Skill | You are building a PHP application on Laravel and need the usual pieces: data models, logins, background jobs, an API, and pages that react… | | [Kotlin Specialist](/app/kotlin-specialist) | Skill | You are writing Kotlin and want it done in the language's own idioms rather than translated from another language. This helps with concurre… | | [JavaScript Pro](/app/javascript-pro) | Skill | You are working in plain JavaScript, in the browser or in Node, and you want it written well, debugged, or cleaned up. This helps with mode… | | [GraphQL Architect](/app/graphql-architect) | Skill | You are building an API where clients ask for exactly the data they want. This helps you design the schema that describes it, write the cod… | | [Golang Pro](/app/golang-pro) | Skill | You are writing Go and need it to do several things at once, or to run as a set of services, or simply to run faster. This helps with the c… | | [Game Developer](/app/game-developer) | Skill | You are building a game and need the machinery underneath it to work: things colliding properly, the frame rate staying smooth, other playe… | | [Feature Forge](/app/feature-forge) | Skill | Somebody has asked for a feature and nobody can quite say what "done" means. This walks you through a structured conversation about it and… | | [Embedded Systems Engineer](/app/embedded-systems) | Skill | You are writing code that runs on a small chip, where there is no operating system to catch you and the battery is finite. This helps with… | | [.NET Core Expert](/app/dotnet-core-expert) | Skill | You are starting a .NET service and want it laid out sensibly from the beginning rather than refactored later. This covers the API surface,… | | [Django Expert](/app/django-expert) | Skill | You are building a Django site or an API on top of it, and the parts that bite are the database queries and the API layer. This writes the… | | [Debugging Wizard](/app/debugging-wizard) | Skill | Something broke and you have an error, a stack trace, and a pile of logs that do not obviously connect. This works through them in order, f… | | [Database Optimizer](/app/database-optimizer) | Skill | A query that used to be fine is now slow and the database is not telling you why. This digs into it: reads the plan, rewrites the query, wo… | | [C# Developer](/app/csharp-developer) | Skill | You are building something in C# on modern .NET and want the usual pieces put together properly: the endpoints, the database layer, the asy… | | [C++ Pro](/app/cpp-pro) | Skill | You work in C++ and the hard parts are the ones the language gives you no help with: memory, threads, and getting the build to behave. This… | | [Code Documenter](/app/code-documenter) | Skill | The code works but nobody outside your head can use it, because there is nothing written down. This generates and checks the documentation:… | | [Cloud Architect](/app/cloud-architect) | Skill | You are putting something on the cloud, moving it there, or staring at a bill you cannot explain. This helps you plan the architecture, the… | | [API Designer](/app/api-designer) | Skill | You are about to build an API and the early decisions are the ones that are hard to take back: what the resources are, how you version, how… | | [WordPress Pro](/app/wordpress-pro) | Skill | You run a WordPress site and the plugin you need does not exist, or the site is slow or exposed. This builds custom themes, plugins and edi… | | [Vue Expert (JavaScript)](/app/vue-expert-js) | Skill | You want modern Vue but your team writes plain JavaScript and does not want a TypeScript build step. This builds components, composables an… | | [Test Master](/app/test-master) | Skill | You have tests but no real confidence in them, or you need tests and do not know where to start. This writes them, works out what is not co… | | [SQL Pro](/app/sql-pro) | Skill | A query is taking too long and the plan output means nothing to you. This works out where the time goes, rewrites the query, and suggests t… | | [Shopify Expert](/app/shopify-expert) | Skill | You run a Shopify store and need it to do something it does not do out of the box. This helps you build and fix themes, write custom apps,… | | [Secure Code Guardian](/app/secure-code-guardian) | Skill | Login, permissions and anything a user types are where applications get broken into, and the safe way is not the obvious way. This helps yo… | | [Rust Engineer](/app/rust-engineer) | Skill | Rust argues with you about who owns what and for how long, and the error message is not always the explanation. This writes, reviews and de… | | [React Expert](/app/react-expert) | Skill | React front ends go wrong in specific ways: something re-renders when it should not, state is in the wrong place, an old component needs mo… | | [Python Pro](/app/python-pro) | Skill | Python lets you skip saying what your data looks like, and that catches up with you later. This writes Python that declares its types, hand… | | [Playwright Expert](/app/playwright-expert) | Skill | Testing a web app through a real browser is fiddly, and tests that fail at random are worse than no tests. This writes those tests, organis… | | [PHP Pro](/app/php-pro) | Skill | PHP work in Laravel or Symfony means controllers, migrations, middleware and tests, over and over. This writes those pieces using current P… | | [NestJS Expert](/app/nestjs-expert) | Skill | NestJS backends have a lot of moving pieces: modules, controllers, services, guards, validation. This writes and wires those pieces for you… | | [ML Pipeline Expert](/app/ml-pipeline) | Skill | Machine learning work spreads out fast: runs to keep track of, data that keeps changing, models that need refreshing. This sets up the plum… | | [Kubernetes Specialist](/app/kubernetes-specialist) | Skill | You are running software on a Kubernetes cluster and either need to get something deployed or need to find out why it is failing. This cove… | | [Java Architect](/app/java-architect) | Skill | You are working on a Java application built on Spring, and something needs building, configuring, or fixing. This helps with the endpoints,… | | [Fullstack Guardian](/app/fullstack-guardian) | Skill | You are building a feature that needs both a screen people use and a server behind it, and security cannot be an afterthought bolted on lat… | | [Fine-Tuning Expert](/app/fine-tuning-expert) | Skill | You have a general-purpose language model and a specific job it does not do well enough. Rather than train something from scratch, this hel… | | [FastAPI Expert](/app/fastapi-expert) | Skill | You need a Python service that other software can call, and you would rather not hand-roll the request handling, the data checks, and the l… | | [Django Storages S3](/app/django-storages-s3) | Skill | Your Django app is keeping uploads and static files on its own disk, and that has to stop. This sets up storage on S3 instead: the settings… | | [DevOps Engineer](/app/devops-engineer) | Skill | Your code works locally and now it has to get built, shipped, and run somewhere real. This handles that path: containers, pipelines, cluste… | | [Chaos Engineer](/app/chaos-engineer) | Skill | You run a system spread across many machines and you do not actually know how it behaves when a piece dies. This helps you find out on purp… | | [Architecture Designer](/app/architecture-designer) | Skill | You are about to decide how a system fits together, or you inherited a design and are not sure it holds up. This helps you work through the… | | [Angular Architect](/app/angular-architect) | Skill | You are building an Angular app and keep hitting the parts that are fiddly to set up: routing, shared state, streams of data, and a bundle… | ## Links - [jeffallan.github.io](https://jeffallan.github.io/) - [X](https://x.com/j3ffallan) - [GitHub](https://github.com/Jeffallan) --- Canonical URL: