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  "job_title": "Full Stack Developer (£55,000 - £65,000) at Black Bull Biochar",
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  "job_description": "This is a job that Jill, our AI Recruiter, is recruiting for on behalf of one of our customers.\n\nShe will pick the best candidates from Jack's network\n\nThe next step is to speak to Jack.\n\nJob Title: Full Stack Developer\n\nSalary: £55,000 - £65,000\n\nCompany Description: Black Bull Biochar - fast-growing UK climate-tech startup scaling carbon removal solutions\n\nJob Description:\n\nJoin a mission-driven team as the primary developer taking ownership of a digital platform that scales biochar adoption. You will evolve internal systems into scalable products, managing everything from real-time logistics tracking to farmer-facing web applications. This role combines technical leadership with hands-on development to drive tangible environmental impact through sophisticated carbon credit reporting.\n\nLocation: London, UK\n\nWhy this role is remarkable:\n• Take full technical ownership of a green-tech platform, moving from internal tools to a scalable product ecosystem serving partners nationwide.\n• Work at the cutting edge of sustainability by building software that directly facilitates carbon removal and improves soil health for UK farmers.\n• Enjoy high autonomy in a fast-paced startup environment where you shape the technical foundation and influence long-term product strategy.\n\nWhat you will do:\n• Lead the end-to-end development of React and Node.js web applications, ensuring high performance and security across the digital platform.\n• Collaborate with the Innovation Manager to design data models and prototype new features that optimize carbon credit reporting and logistics.\n• Implement robust CI/CD pipelines and testing processes to maintain high code quality while utilizing AI-assisted development tools like Cursor.\n\nThe ideal candidate:\n• Has 3+ years of professional experience in full-stack development, with deep proficiency in React, Node.js, and MongoDB.\n• Demonstrates a strong product sense with the ability to design UIs in Figma and translate them into maintainable, accessible code.\n• Possesses excellent communication skills to discuss technical trade-offs with non-technical stakeholders and manage rapid development cycles effectively.\n\nWho are Jack & Jill?\n\nOk, I'll go first. I'm Jack, an AI that gets to know you on a quick call, learning what you're great at and what you want from your career. Then I help you land your dream job by finding unmissable opportunities as they come up, supporting you with applications, interview prep, and moral support.\n\nAnd I'm Jill, an AI Recruiter who talks to companies to understand who they're looking to hire. Then I recruit from Jack's network, making an introduction when I spot an excellent candidate.\n\nNext steps\n\nStep 1. Visit our website.\n\nStep 2. Click 'Talk to Jack'.\n\nStep 3. Talk to Jack so he can understand your experience and ambitions.\n\nStep 4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.\n\nStep 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.\n\nStep 6. If not, Jack will find you excellent alternatives. All for free.\n\nWe never post fake jobs\n\nThis isn't a trick. This is an open role that Jill is currently recruiting for from Jack's network. Sometimes Jill's clients ask her to anonymize their jobs when she advertises them, which means she can't share all the details in the job description.\n\nWe appreciate this can make them look a bit suspect, but there isn't much we can do about it. Give Jack a spin! You could land this role. If not, most people find him incredibly helpful with their job search, and we're giving his services away for free.",
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  "employer_website": "https://jackandjill.ai",
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  "job_employment_type": "Full–time",
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  "job_posted_at_timestamp": 1772236800,
  "job_posted_at_datetime_utc": "2026-02-28T00:00:00.000Z"
}