Green Technology

Full Stack Software Engineer Role Senior full-stack developer building and operating commercial SaaS products on Azure. You'll deliver end-to-end features across backend, frontend, data, and cloud operations in a cross-functional team. Responsibilities Build and maintain production features across web UI, APIs, and data.Develop .NET (C#) backend services and REST APIs.Build frontend in Vue.js + TypeScript (reusable components, maintainable architecture).Design and optimize databases with strong SQL skills (queries, indexing, migrations).Build/deploy/operate in Azure (monitoring, troubleshooting, reliability improvements).Use and act on SAST/DAST findings (triage and remediation, improving secure practices).Contribute to code reviews, testing, CI/CD, and technical documentation. Qualifications 7+ years delivering commercial, production software.Bachelor's or Master's degreeStrong experience with .NET, Vue.js, TypeScript, and SQL.Proven Azure experience running cloud-hosted applications in production.Clear communicator with strong ownership and attention to quality. Nice to haveWITSML, Cognite/CDF, and/or OSDU experience. ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.

BESS Site Manager required to work for a UK EPC subcontractor on a large 45MW+ BESS project based in Ipswich. Applicants MUST have BESS (battery energy storage systems) experience with a good understanding of BESS installations. This is for a 3 month renewable contract, based fully onsite. Applicants must be eligible to live and work in the UK.ersg are an equal opportunities employer; we are committed to promoting equality of opportunity for all job applicants. We do not discriminate against applicants on the basis of age, sex, race, disability, pregnancy, marital status, sexual orientation, gender reassignment or religious background; all decisions are based on merit.