Junior Developer

Location EMCA House, Office No. 204, Ballard Estate, Fort, Mumbai 400001Employment Full-time, on-siteExperience 0–2 yearsABOUT DIAGNEXDiagnex (Carehorizon Health Private Limited) is building an integrated home healthcare ecosystemacross Mumbai, Navi Mumbai, Kolkata and Howrah. We bring serious medical care into the home— dialysis, diagnostics, nursing and caregiving, home ICU setup, doctor consultations, clinicalprocedures and elderly care — so families can look after the people they love without juggling adozen different providers. We are a young, fast-moving team with deep roots in healthcare, and weare building the systems, the brand and the people that will define how premium home care works inIndia.THE ROLEWe build and run several websites and web applications, and we build fast. We are looking for adeveloper who uses AI as a genuine force multiplier — comfortable with vibe coding in Claude andChatGPT — but who understands code well enough to know exactly when the AI is wrong. If youenjoy shipping, testing and hunting down bugs until they are properly dead, this role is for you.WHAT YOU’LL DO

• Build, update and maintain features across our websites and web applications.
• Use AI-assisted development (Claude, ChatGPT, Cursor, Copilot or similar) to ship quickly —and review, test and understand every line before it goes live.
• Run structured testing across our sites and apps: functionality, cross-browser behaviour, mobileresponsiveness, forms and inquiry flows, page speed and broken links.
• Debug issues end to end — reproduce, isolate, fix, verify — and document what went wrong soit does not happen again.
• Keep forms, integrations and data flows working reliably so that no patient inquiry is ever lost.
• Maintain clean code, version control and basic technical documentation.
• Follow secure coding practices and handle any patient or user data with care.WHAT YOU BRING
• 0–2 years of development experience. Internships, freelance work and personal projects allcount — show us what you have built.
• Solid fundamentals in HTML, CSS, JavaScript and PHP, with working knowledge of a databasesuch as MySQL.
• Real experience with vibe coding and AI-assisted workflows in Claude and ChatGPT, alongwith the judgement to catch hallucinated code, security gaps and silent bugs.
• Proven debugging ability, and comfort with browser developer tools, logs and Git.
• A good grasp of testing: writing test cases, running regression checks and, ideally, someautomated testing with Playwright, Cypress, Selenium or similar.
• Clear communication — you raise problems early instead of hiding them.GOOD TO HAVE
• Experience with WordPress or Laravel.
• Basics of hosting, deployment and DNS.
• Understanding of SEO-friendly, accessible front-end development, APIs and webhooks.WHY THIS ROLEYou will work on live production systems from your first week, learn how healthcare technology isactually built and run, and take on more ownership as fast as you can earn it.