Senior Full Stack Developer

Summary

Join Marllm.io, a marketing-tech platform company, as a Senior Full-Stack Developer. You will design and implement scalable software architectures, build client- and server-side applications, develop AI/ML solutions, manage AWS environments, and drive product decisions. This full-time, mostly UK-hours role offers a four-day work week option and is fully remote. The ideal candidate possesses 6+ years of experience with the MERN stack, Next.js, TypeScript, AWS, and AI/LLM applications. You will be a key player in shaping a fast-scaling product and will have opportunities for rapid skill growth. The role offers a competitive salary and benefits package.

Requirements

• 6+ years of experience with MERN stack, Next.js, TypeScript, AWS, Cloudflare, NGINX, Vercel, Docker
• Proven track record building complex architectures from MVP to production
• Solid hands-on experience with AI/LLM applications and model deployment
• Comfortable across front-end (HTML, CSS, Tailwind) and back-end (Pinecone, microservices, serverless)

Responsibilities

• Design and implement scalable, maintainable software architectures
• Build client- and server-side applications with top-notch performance
• Develop proprietary AI models, LLM prompts, and other ML solutions
• Manage and optimise AWS environments, Cloudflare, NGINX, Docker
• Drive product decisions and champion human-centric development
• Document processes and code for clarity and future onboarding
• Interact with clients, onboard new engineers, share knowledge
• Solve unforeseen technical challenges with a calm, logical approach

Preferred Qualifications

• SEO know-how
• Deeper AI/ML chops (Colab, Streamlit, FastAPI, PyTorch, etc.)
• Entrepreneurial streak and previous startup exposure
• Ability to pivot quickly and learn on the fly
• Python experience

Benefits

• $6,000 - $6,500 per month
• Full-time, fully remote (option to work a four-day week)
• 20 days paid time off
• Rapid skill growth in a low-ego, pragmatic dev culture
• Chance to shape a fast-scaling product from the ground up