Software Development Engineer (Permanent)

About usAt National Grid, we light up the world by harnessing the unique strengths of our people. Join us as a Software Engineer to be part of a team that's driving forward the energy transition, creating a brighter, more sustainable future for all. Unleash your superpower and bring energy to life.National Grid is hiring a Software Engineer on a permanent basis. This role is designated as hybrid working. Requirements may vary based on business needs and company policy. About The RoleThis is a fantastic opportunity for a skilled and forward-thinking Software Engineer to play a key role in designing, building, and managing cutting-edge cloud-based software platforms. You’ll do this by collaborating closely with other software engineers, product owners, product designers, technical leads and senior engineering manager to create suitable solutions that transform the organisation, which also align to our engineering and architecture standards.This role is ideal for someone who thrives in a collaborative environment, enjoys solving complex technical challenges, and is passionate about delivering high-quality, reliable software solutions.What You'll DoBuild scalable, high‑performance software using C# and .NET Core, writing clean, maintainable, and well‑tested code aligned to business goalsImprove the performance, reliability, and uptime of distributed systems through automation and efficient deployment practicesImplement robust security controls, ensuring compliance with relevant industry standardsWork within Agile and Lean methodologies to deliver value iteratively and continuously improveCollaborate closely with business and technical stakeholders throughout the product lifecycleFollow engineering and architecture standards, participate in code reviews and quality assurance, and maintain clear documentation to support knowledge sharingAbout YouGood experience with C# and .NET Core, with solid backend engineering fundamentalsHands‑on experience building services within microservice and event‑driven architectures, including RESTful APIsExperience working in Azure, including Entra and modern authentication and authorisation practicesSkilled in containerisation and automation (e.g. Docker)Experience working with CI/CD pipelines and modern DevOps practices, including Infrastructure As Code and observability (monitoring, metrics, tracing, alerting)Test‑first mindset, with experience in unit and integration testing, and exposure to E2E and contract testing (e.g. XUnit, Playwright, PACT)Comfortable working in Lean/Agile environments (e.g. Agile, SAFe), with awareness of security and compliance standards (ISO 27001, GDPR). 28 days’ holiday plus 8 statutory bank holidays, with the option to buy additional leave and swap up to 3 bank holidays to better fit your personal needs.A generous pension scheme with double matching up to 6% of your salary each month. For every 1 you contribute, we’ll contribute 2 — meaning a 6% personal contribution becomes an 18% total pension contribution.Life insurance cover of 10x your basic salary, plus employer contributions towards the cost of your Private Medical Insurance.Flexible benefits such as a cycle scheme, share incentive plan, technology schemesAccess to apps such as digital GP service for round the clock access to GP video consultations and NHS repeat prescriptions, wellbeing app to support your health and fitnessAccess to Work + Family Space, providing support and resources for work and family life, including paid emergency childcare and eldercareMore InformationThe closing date for this vacancy is 18th September. We reserve the right to remove this advert or close it to further applications at any point during the recruitment process.In NGET we are passionate about both operating our network safely and providing highly reliable quality of supply for our customers. At the heart of achieving these outcomes is the effective control and operation of our network.DE & I statement At National Grid, we work towards the highest standards in everything we do, including how we support, value and develop our people. We celebrate the difference people can bring into our organisation, and welcome and encourage applicants with diverse experiences and backgrounds, and offer flexible and tailored support, at home and in the office.We are committed to building a workforce so we can represent the communities we serve and have a working environment in which each individual feels valued, respected, fairly treated, and able to reach their full potential.Please note that in most cases, National Grid is unable to offer sponsorship for employment under the UK points-based immigration system. As such, applicants must have the legal right to work in the UK without requiring sponsorship now or in the future under the UK points-based immigration system. However, in exceptional circumstances where there is a clear and demonstrable need for specialist skills that cannot be sourced from the local labour market, National Grid may consider offering sponsorship. LI-KR1#LI-HYBRID