Lead Technologist(Dotnet with Azure)

We are seeking a Lead Technologist with deep expertise in .NET and Microsoft Azure to drive architecture, hands-on engineering, and platform modernization for enterprise-grade systems. As a senior individual contributor, you will serve as the technical authority for critical services—owning solution architecture, guiding engineering quality, and accelerating delivery through automation, best practices, and effective cross-team collaboration. This role is ideal for a builder-architect who can balance strategic design with hands-on coding and technical leadership.

Experience

• 13+ years of software engineering with 7+ years building enterprise systems on .NET; 5+ years on Azure at scale.
• Proven experience designing microservices and event-driven architectures.

Key Responsibilities

Technical Leadership & Architecture

• Lead end-to-end architecture for cloud-native and cloud-migration solutions on Azure: microservices, event-driven systems, API platforms, and data integration patterns.
• Define solution blueprints, integration contracts, and Non-Functional Requirements (NFRs)—performance, reliability, scalability, cost, and security.
• Own domain-driven design (DDD), bounded contexts, and service decomposition; mentor teams on clean architecture and SOLID principles.
• Make pragmatic build vs. buy decisions; lead spikes, POCs, and architecture reviews.

Hands-On Engineering

• Design and build services using .NET 6 (C#), ASP.NET Core, EF Core, gRPC/REST, and Azure SDKs.
• Implement robust CI/CD pipelines (e.g., GitHub Actions/Azure DevOps), infrastructure as code (Bicep/Terraform), and resilient deployment strategies (blue/green, canary).

Cloud & Platform (Azure)

• Architect and optimize solutions with Azure App Service / AKS, Functions, APIM, Service Bus/Event Hubs, Cosmos DB/SQL, Storage, Key Vault, Front Door, Traffic Manager, Event Grid.
• Champion security-by-design: Managed Identity, AAD, RBAC, Private Endpoints, VNET integration, Compliance (e.g., ISO/PCI/SOX as applicable).
• Optimize performance and cost: scaling strategies, caching (e.g., Azure Cache for Redis), throughput tuning, and right-sized infrastructure.

Quality, Governance & Risk Engineering

• Establish engineering standards: coding conventions, branching model, test strategy, code review guidelines, and definition of done.
• Drive secure SDLC: static/dynamic code analysis, dependency risk management, threat modeling (STRIDE), and remediation plans.
• Advocate test automation pyramid: unit, contract, integration, performance, and chaos testing.

Cross-Functional Collaboration

• Partner with Product, Security, Data, and SRE to align architecture with business outcomes, resilience goals, and regulatory constraints.
• Translate complex technical concepts into clear decision options, with trade-offs and TCO/ROI impacts.
• Mentor senior engineers; influence without authority across squads and vendor teams.

Benefits

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.

Proud to share LSEG in the India is Great Place to Work certified (Jun ’25 – Jun ’26).

Learn more about life and purpose of our company directly from India colleagues’ video: Bengaluru, India | Where We Work | LSEG

Career Stage:

Manager

London Stock Exchange Group (LSEG) Information:

Join us and be part of a team that values innovation, quality, and continuous improvement. If you're ready to take your career to the next level and make a significant impact, we'd love to hear from you.

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.

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.

You will be part of a collaborative and creative culture where we encourage new ideas. We are committed to sustainability across our global business and we are proud to partner with our customers to help them meet their sustainability objectives. Our charity, the LSEG Foundation provides charitable grants to community groups that help people access economic opportunities and build a secure future with financial independence. Colleagues can get involved through fundraising and volunteering.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

Please take a moment to read this privacy notice carefully, as it describes what personal information London Stock Exchange Group (LSEG) (we) may hold about you, what it’s used for, and how it’s obtained, your rights and how to contact us as a data subject.

If you are submitting as a Recruitment Agency Partner, it is essential and your responsibility to ensure that candidates applying to LSEG are aware of this privacy notice.