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Role: .NET Technical Lead
Job Type: Permanent
Location: Belfast, UK / Dublin, Ireland
Mode of Working: Hybrid
Working Hours: 40 hours per week (Full-time)
Are you looking to lead the design and delivery of enterprise-grade .NET applications and APIs?
We have an exciting opportunity for you – .NET Technical Lead!
Careers at TCS: It Means More
TCS is a purpose-led transformation company, built on belief. We go beyond helping businesses transform through technology—we enable them to make a meaningful difference to the people and communities they serve. Our clients include leading organisations across the UK and globally.
At TCS, it means more—more opportunity to make an impact that matters through challenging projects that demand innovation, collaboration, and thought leadership.
- Build strong relationships with a diverse range of stakeholders.
- Gain access to continuous learning and professional development opportunities.
- Work closely with cross-functional teams to deliver innovative business solutions.
The Role
As a .NET Technical Lead, you will play a pivotal role in designing, developing, and delivering enterprise solutions that align with strategic business objectives. You will provide technical leadership across the full software development lifecycle, guiding teams in the delivery of scalable, secure, and high-performing applications. This role offers the opportunity to shape technical direction, mentor engineering teams, and contribute to the successful delivery of mission-critical platforms within a fast-paced environment.
Key Responsibilities
- Lead the design and development of .NET applications, REST APIs, and microservices that support enterprise business platforms.
- Conduct feasibility studies, effort estimation, technical planning, and solution design activities.
- Oversee all phases of the software development lifecycle, including analysis, design, development, testing, deployment, and support.
- Analyse complex business and technical challenges and provide effective, scalable solutions.
- Define and implement application architecture, security controls, and development standards.
- Collaborate with stakeholders, technology teams, and business users to translate requirements into technical solutions.
- Provide technical leadership, guidance, and mentoring to developers and analysts.
- Act as a subject matter expert for application development technologies and best practices.
- Ensure development processes, governance standards, and operational procedures are followed.
- Support continuous improvement initiatives to enhance code quality, performance, reliability, and delivery efficiency.
- Operate with a high degree of independence while managing competing priorities and delivery commitments.
- Experience in application development, software engineering, or systems analysis roles.
- Strong proficiency in .NET Core and C# development.
- Strong experience with T‑SQL and Microsoft SQL Server (2019/2022).
- Experience developing REST APIs, WebSockets, and event‑driven solutions.
- Hands‑on experience with React.js for front‑end development.
- Experience with Kafka (Kafka as a Service).
- Experience working with OpenShift, Docker, and containerised environments.
- Strong understanding of microservices architecture and distributed systems.
- Experience using source control and development tools including GitHub, Bitbucket, and GitHub Copilot.
- Extensive experience in system analysis, application design, development, and support.
- Proven experience leading successful projects and acting as a technical SME.
- Demonstrated leadership, mentoring, and stakeholder management capabilities.
- Ability to prioritise effectively and adapt to changing business needs.
- Strong written and verbal communication skills.
- Experience designing and building robust .NET applications and APIs that support mission‑critical enterprise platforms.
- Commitment to improving code quality, performance, reliability, and engineering best practices.
- Experience leading development teams as a Team Lead or Technical Lead.
- Experience designing and implementing microservices architectures at scale.
- Exposure to cloud‑native deployment and container orchestration environments.
- Experience working with CI/CD pipelines and automated software delivery practices.
- Experience within Banking, Financial Services, or other regulated industries.
TCS is consistently voted a Top Employer in the UK and globally. Our competitive salary packages feature pension, health care, life assurance, laptop, phone, access to extensive training resources and discounts within the larger Tata network.
Diversity, Inclusion and Wellbeing
Tata Consultancy Services UK&I is committed to meeting the accessibility needs of all individuals in accordance with the UK Equality Act 2010 and the UK Human Rights Act 1998.
We believe in building and sustaining a culture of equity and belonging where everyone can thrive. Our diversity and inclusion motto is ‘Inclusion without Exception’. Our continued commitment to Culture and Diversity is reflected across our workforce implemented through equitable workplace policies and processes.
You’ll find a welcoming culture and many internal volunteering and social networks to join (these are optional). Our diversity, inclusion and social activities include 12 employee networks such as gender diversity, LGBTQIA+ & Allies, mental health, disability & neurodiversity inclusion and many more, as well as health & wellness initiatives and sports events and we sponsor the London Marathon.
We welcome and embrace diversity in race, nationality, ethnicity, disability, neurodiversity, gender identity, age, physical ability, gender reassignment, sexual orientation. We are a disability inclusive employer and encourage disabled people to apply for this role.
If you are an applicant who needs any adjustments to the application process or interview, please contact us UKI.recruitment@tcs.com with the subject line: “Adjustment Request” or call TCS London Office 02031552100 to request an adjustment. We welcome requests prior to you completing the application and at any stage of the recruitment process.
Next Steps
Due to a high volume of applications, we will be unable to contact each applicant individually on the status of their application. If you have not received a direct response within 30 days, then it should be deemed unsuccessful on this occasion.
Join us and do more of what matters. Apply online now.
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