Junior Developer

Junior Developer / AI Implementation Assistant Remote Work & Time ZoneThis role is fully remote and will be based in South Africa, working for a U.S.-based company. Candidates must be able to work U.S. Eastern Time (ET/EST) hours.This is a hands-on support role for a careful junior developer who wants exposure to real client systems and practical AI implementation. You will work closely with the founder, receive scoped direction, and help move small features from issue to implementation to testing notes.Atten-X is looking for a careful, fast-learning Junior Developer to maintain client-facing web systems, build AI-powered demos, support voice-agent products, and help ship reliable features from issue to implementation to testing.Atten-X helps small and mid-sized businesses ship practical AI systems: live demos, internal tools, client workflow systems, and AI-assisted products that turn into real implementation engagements.Stack:PHP/MySQL, Node.js, React/Vite, HTML/CSS/JSFocus:Client systems, voice agents, QA, docs, live demosKey ResponsibilitiesClient Systems & Web DevelopmentMaintain and extend PHP/MySQL applications across marketing, lead capture, affidavit/workflow, and client-review systemsShip HTML/CSS/vanilla JS updates, Bootstrap/jQuery UI fixes, form improvements, modal flows, filters, and admin screensSupport MySQL work: prepared queries, migrations, fixture data, cleanup scripts, and sanity checks across local MAMP and hosted environmentsAI Product & Demo DevelopmentHelp build and polish Atten-X "Envy Demos": live AI tools that prospects can use at atten-x.comAssist with Node.js / Express services for voice-agent flows, API routes, MySQL persistence, provider integrations, and internal ops toolingSupport React/Vite/TypeScript dashboard work for voice-agent monitoring, QA views, admin screens, and demo interfacesQuality Assurance & DocumentationRun and maintain QA workflows: Playwright E2E tests, Node test suites, smoke scripts, live-call QA checklists, and manual regression notesKeep docs current: setup notes, QA results, client handoff docs, build logs, and implementation summariesWhat We're Looking ForRequired1–3 years of web development experience, or strong project work that shows you can learn fast and ship carefullyComfortable with PHP and MySQL, including PDO, prepared statements, sessions, forms, and server-rendered app patternsSolid front-end fundamentals: HTML, CSS, vanilla JavaScript, forms, modals, and responsive layoutsNode.js experience, HTTP/API handling, environment variables, and package scriptsReact experience, ideally with Vite, routing, component state, and dashboard/admin UI patternsAble to read existing code, follow established patterns, and ask good questions before changing shared systemsCareful with security basics: input validation, sessions/cookies, CORS, secrets, webhook validation, and rate/cost limitsClear async communication and willingness to document what changed, how it was tested, and what still needs attentionWilling and able to work U.S. Eastern Time (EST/ET) hoursNice to HaveExperience with agent orchestration and Twilio Voice agentsFamiliarity with Playwright, OpenAI / Anthropic, Replicate, Deepgram, or ElevenLabsExposure to n8n, Slack webhooks, or AWS basicsEssential SkillsPractical, hands-on coding ability across a full-stack (PHP/MySQL + Node/React) environmentStrong attention to detail and a careful, methodical approach to shared codebasesComfort testing and documenting work clearly for handoffCuriosity about applied AI systems: voice agents, live demos, and client-facing toolsReliable async communication in a small, fast-moving team