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  "job_title": "Junior Backend Engineer (App Delivery)",
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  "job_country": "GB",
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  "employer_name": "Cogna",
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  "job_posted_at": "22 days ago",
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  "job_description": "We live in a world that runs on physical industries like energy, logistics, manufacturing. These sectors are essential to our economy and daily lives, yet they are held back by inefficiencies, fragile legacy systems, and decades-old ways of working. This is not just a business problem; it is a societal one. When grids fail, supply chains stall, or factories falter, entire economies are disrupted.\n\nThese companies face unique, complex challenges that typical software was never designed to solve. Cogna was founded to change this. Our mission is to give critical industries their own AI-powered Software Factory: a way to build and deploy bespoke digital tools that solve pressing operational challenges.\n\nSince our launch in May 2023, we’ve seen incredible customer traction and revenue growth. We’re backed by leading VCs, including Notion Capital and Hoxton Ventures, and we’re building a world-class team to take on one of the most important challenges of our time.\n\nTackling challenges at this scale takes people who are curious, adaptable, and motivated by impact. If our mission resonates with you, we encourage you to apply, even if your experience doesn’t match every requirement. We are committed to building a diverse team that reflects the industries and societies we serve.\n\nOverview\n\nJoin a team that is redefining how software is built for critical industries. You will help build and maintain the backend services and integrations that power our SaaS applications, working with modern tech stacks and cutting-edge AI tools. This role is an opportunity to accelerate your growth: you will learn to build robust production systems and master AI-assisted development workflows, focusing on validating logic and delivering high-quality features that solve real-world problems.\n\nWhat you’ll do\n• Build and maintain backend features and API integrations (Python, FastAPI, SQL).\n• Adapt and extend pipelines and front-end outputs, validating automated components.\n• Build connectors for APIs, files, and external systems.\n• Support the integration of LLM-based capabilities with robust evaluation and monitoring.\n• Use AI-assisted development tools to scaffold, refactor, and test code.\n• Collaborate with Solution Strategists, Data Platform, Platform and Support teams.\n\nWhat we’re looking for\n\nWe don't expect you to have deep expertise in all these areas. We look for a solid foundation in backend engineering and a strong curiosity to learn the rest.\n• Python/TypeScript experience (1+ years or strong personal projects); understanding of SQL and data modelling.\n• Familiarity with (or keen interest in) agentic AI coding tools (e.g., Cursor/Codex/Claude Code) to plan, scaffold, refactor, and test.\n• Experience with APIs (REST) required. Exposure to other systems like SFTP, SharePoint, or webhooks is a plus.\n• Interest in or exposure to workflow orchestration (Temporal, Dagster).\n• Basic familiarity with git, CI/CD concepts, Docker, or cloud platforms (Azure/AWS/GCP).\n• Interest in AI and raising team AI skills.\n\nWhat we offer\n• Competitive salary and share option plan\n• 25 days annual leave, plus public holidays\n• Excellent pension scheme, fixed at 7.5%\n• Private healthcare, including family cover and pre-existing conditions\n• Flexible hybrid working with 2 days per fortnight in our Farringdon office\n• Regular social events and offsites\n• Access to a gym and fitness classes in our office building",
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  "employer_website": "https://www.cogna.co",
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  "job_employment_type": "Full–time",
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  "job_posted_at_timestamp": 1772150400,
  "job_posted_at_datetime_utc": "2026-02-27T00:00:00.000Z"
}