> Markdown version of [/jobs/ext/2031097-junior-developer](https://www.wearedevelopers.com/jobs/ext/2031097-junior-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Junior Developer - **Company:** Cobalt Recruitment - **Location:** Southend-on-Sea, UK - **Experience:** Starter - **Salary:** £30,000.0 - £40,000.0 - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Microsoft Online Services, Corona (Software Development Kit), Data Cleansing, JSON, Python (Programming Language), Node.Js, Operational Data Store, Standard Sql, Systems Integration, Large Language Models, Zapier, Backend, Git, Nintex, Api Design, Restful APIs - **Published:** August 12, 2026 - **Apply:** https://www.reed.co.uk/jobs/junior-developer/57223702 ## About the Role We are looking for a Junior Developer with an interest in using technology to solve practical problems and a willingness to develop their knowledge. You will need: * Working knowledge of Python and JavaScript / Node.js. * An interest in AI agents, LLMs and automation. * Working knowledge of SQL, REST APIs and JSON. * Familiarity with Git and modern development practices. * An ability to solve problems, learn and take ownership of your work. Applicants must have the right to work in the UK. This Junior Developer opportunity offers the chance to build practical experience in AI, automation and modern software development while receiving direct mentoring and exposure to production systems., * software developer * data cleansing * api * Python * building agents ## Description The organisation is looking for a Junior Developer who wants practical exposure to AI and modern software development. You will have the opportunity to work with production systems from day one, alongside dedicated support and budget for learning and development. The Junior Developer will work on a hybrid basis and receive direct mentoring from the Technology Lead, providing an opportunity to develop technical skills while solving real business problems. The role and responsibilities As Junior Developer, you will build AI agents, automation workflows, internal tools and integrations that support the organisation's day-to-day operations. You will work closely with the Technology Lead and gain hands-on experience across development, automation and operational data. Your responsibilities will include: * Building and orchestrating AI agents to automate business processes. * Developing APIs, backend services and internal tools using Python and Node.js. * Creating automation workflows using Make, Zapier, n8n and LLM-powered tools. * Integrating third-party platforms, APIs and Microsoft 365 services. * Working with SQL and operational data to support automation and reporting. The skills needed ## Related Videos - [Tips and Tricks for Working with JSON](https://www.wearedevelopers.com/videos/1229-tips-and-tricks-for-working-with-json) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Navigating the Future of Junior Developers in Tech](https://www.wearedevelopers.com/videos/1280-navigating-the-future-of-junior-developers-in-tech) - [Introducing JSON Structure](https://www.wearedevelopers.com/videos/100219-introducing-json-structure) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) - [Hiring AI Native Talents](https://www.wearedevelopers.com/videos/100268-hiring-ai-native-talents) ## Related Articles - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Is AI turning Junior Developers into an endangered species?](https://www.wearedevelopers.com/magazine/501-is-ai-turning-junior-developers-into-an-endangered-species)