Senior Software Development Engineer – .NET Core

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The Senior Software Development Engineer is responsible for leading the technical delivery of .NET Core solutions within an agile team, contributing deep hands-on expertise while guiding solution design and implementation. This role plays a key part in shaping application architecture, ensuring code quality, and supporting junior engineers, while collaborating closely with team leads and client stakeholders to deliver scalable, secure, and maintainable systems.

Key Responsibilities

• Design and develop robust .NET Core applications aligned to client business and operational requirements.
• Translate business and functional requirements into well-structured, scalable technical solutions.
• Take ownership of complex components, integrations, and critical code paths within the solution.
• Contribute to architectural decisions and ensure adherence to established patterns and best practices.
• Lead by example through high-quality code, testing discipline, and documentation.
• Actively participate in sprint planning, estimation, and delivery tracking using Azure DevOps.
• Perform code reviews and provide constructive guidance to intermediate and junior developers.
• Collaborate with testers, analysts, and DevOps engineers to ensure smooth end-to-end delivery.
• Support deployment, monitoring, and troubleshooting across non-production and production environments.
• Ensure solutions comply with security, governance, and regulatory standards applicable to client environments.

Technical Skills & Tools

• Languages & Frameworks: C#, ASP.NET Core, EF Core, SQL, TypeScript, HTML/CSS
• DevOps & CI/CD: Azure DevOps, Git, Docker (experience advantageous)
• Front-End: Vue (or similar modern JavaScript framework)
• Cloud & Infrastructure: Microsoft Azure (App Services, Functions, Storage, Virtual Machines)
• Testing & QA: xUnit, Playwright (or equivalent), Postman
• Security: OAuth2, JWT, OWASP Top 10 secure coding practices

Knowledge & Attributes

• Strong technical problem-solving and analytical skills.
• Ability to work independently while contributing effectively within a team.
• Comfortable engaging with technical and non-technical stakeholders.
• Demonstrated ownership mindset and accountability for delivered solutions.
• Ability to mentor and uplift less experienced developers.
• Solid understanding of Agile delivery methodologies and SDLC best practices.
• Experience balancing technical excellence with delivery timelines.

Qualifications

• Bachelor’s degree in Computer Science, Engineering, or related field (advantageous) or equivalent practical experience.
• Microsoft or Azure-related certifications are advantageous.
• Additional certifications in software architecture or cloud technologies are beneficial.

Experience

• 5–8 years of professional software development experience.
• Proven experience delivering production-grade .NET Core applications.
• Experience working in Agile teams with responsibility for significant solution components.
• Exposure to regulated or enterprise environments (e.g., healthcare, finance) is advantageous.
• Demonstrated experience supporting applications across the full SDLC, including post-deployment support.

Workplace type:

About NTT DATA
NTT DATA is a $30+ billion business and technology services leader, serving 75% of the Fortune Global 100. We are committed to accelerating client success and positively impacting society through responsible innovation. We are one of the world’s leading AI and digital infrastructure providers, with unmatched capabilities in enterprise-scale AI, cloud, security, connectivity, data centers and application services.  Our consulting and industry solutions help organizations and society move confidently and sustainably into the digital future. As a Global Top Employer, we have experts in more than 50 countries. We also offer clients access to a robust ecosystem of innovation centers as well as established and start-up partners. NTT DATA is part of NTT Group, which invests over $3 billion each year in R&D.

Equal Opportunity Employer
NTT DATA is proud to be an Equal Opportunity Employer with a global culture that embraces diversity. We are committed to providing an environment free of unfair discrimination and harassment. We do not discriminate based on age, race, colour, gender, sexual orientation, religion, nationality, disability, pregnancy, marital status, veteran status, or any other protected category. Join our growing global team and accelerate your career with us. Apply today.

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