Salary: £40,000 - 45,000 per year Requirements: We are looking for a GIS Developer who has experience with modern Esri technology. You should be proficient in developing and maintaining GIS tools and workflows using Python, ArcPy, SQL, and Esri ArcGIS Pro/Online. Familiarity with C# (ArcGIS Pro SDK), Node.js, and React is also desirable. Experience with ETL tools and version control systems such as Git or Subversion will be beneficial. A strong understanding of data handling automation and collaboration in a team environment is essential. Responsibilities: In this role, you will take ownership of developing and improving GIS workflows that support critical infrastructure projects across the UK. You will play a key role in supporting digital transformation projects as we transition away from legacy ArcMap systems. Your duties will include designing, building, and testing scripts and microservices to automate data handling, collaborating closely with a mid-level GIS developer and technical leads, and mentoring colleagues to foster innovation within the team. Technologies: C# ETL GIS Git Support Mobile Python React SQL microservices NodeJS pandas More: At Avanti, we pride ourselves on being a long-established engineering and technology business that provides nationwide data, surveying, and maintenance solutions across large-scale UK projects. We are experiencing rapid growth, with a turnover currently exceeding £70 million and goals to reach £100 million within two years. This position offers a competitive salary between £40,000 and £45,000, along with private healthcare, a matched pension, life insurance, and 25 days of holiday plus bank holidays. We promote a hybrid working model, allowing you to work three days in the office and two days remotely. You will have the opportunity to shape our digital strategy within a fast-growing company, and we provide a laptop and mobile phone for your convenience. Our interview process will consist of a 30-minute Teams call followed by a face-to-face interview. last updated 6 week of 2026