Senior Software Engineer (.NET)

Company: London Stock Exchange Group
Apply for the Senior Software Engineer (.NET)
Location: Greater London
Job Description:

* Partner with Product Managers to clarify requirements, roadmap impacts, and technical feasibility.* Collaborate with QA to enhance automated testing, shift‐left quality practices, and overall reliability.* Work with DevOps to optimize **CI/CD pipelines**, deployment workflows, infrastructure-as-code, and cloud readiness.* Support Delivery Management by identifying risks, dependencies, and technical constraints early.* Mentor junior and intermediate developers through pairing, coaching, and knowledge-sharing.* Influence and contribute to internal frameworks, shared libraries, and engineering standards.* Advocate for continuous improvement in development flow, automation, tooling, and DevOps maturity.* Help foster a learning culture through documentation, workshops, and code craftsmanship.* Hands-on experience building and consuming REST APIs and working in microservices, modular, or distributed architectures.* Strong SQL Server knowledge, including data modeling, query optimization, and performance tuning.* Proficiency with Git, CI/CD pipelines (Azure DevOps/GitHub Actions), and automated deployment workflows.* Experience working in Agile (Scrum/Kanban) environments.5+ years of professional experience developing applications with the **modern .NET ecosystem**.Strong expertise in **C#** and hands‐on experience with **modern .NET (6+)**, ASP.NET Core, Web API, LINQ, and object-oriented design.Experience maintaining or migrating legacy **VB.NET** or .NET Framework applications.* Knowledge of DDD, event-driven architecture, messaging patterns (e.g., Service Bus, Kafka).* Exposure to front-end frameworks (React, Angular, Blazor) is an asset.* Bachelor’s degree in Computer Science, Engineering, or related field—or equivalent practical experience.Experience with cloud platforms, ideally **Microsoft Azure** (App Services, Azure Functions, Key Vault, Storage, Service Bus, etc.).Experience with **Docker**, containers, and Kubernetes/AKS.We are looking for intellectually curious people, passionate about the bigger picture of how technology industry is evolving, ready to ask difficult questions and deal with complicated scenarios! If you are creative and a problem solver, this is the place to be as will be supporting you to fast-forward your career! We enhance each employee’s potential through personal development through a wide range of learning tools both formal and informal. LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions. Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re-engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity. LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives. We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone’s race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants’ and employees’ religious practices and beliefs, as well as mental health or physical disability needs.Our purpose is the foundation on which our culture is built. Our values of **Integrity, Partnership**, **Excellence** and **Change** underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.LSEG (London Stock Exchange Group) is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth. Our culture of connecting, creating opportunity and delivering excellence shapes how we think, how we do things and how we help our people fulfil their potential.#J-18808-Ljbffr…

Posted: April 17th, 2026