Associate Director, Senior Software Engineer

Connect to your Industry

Deloitte’s Digital Tax Solutions Team (“DTS”) has a market-leading reputation in London and across Europe. We are the largest of the Big 4 tax process and technology departments, and demand for our services is growing rapidly. DTS brings together expertise in the areas of risk, compliance, and technology in order to address the challenges of multi-jurisdictional tax operations. In response to significant success and an increased emphasis on technology and innovation in a rapidly evolving market, DTS is recruiting an Associate Director, Senior Software Engineer to undertake new project work and drive technical excellence within our business.

Connect to your career at Deloitte

Deloitte drives progress. Using our vast range of expertise, we help our clients' become leaders wherever they choose to compete. To do this, we invest in outstanding people. We build teams of future thinkers, with diverse talents and backgrounds, and empower them all to reach for and achieve more.

What brings us all together at Deloitte? It’s how we approach the thousands of decisions we make every day. How we behave, our beliefs and our attitudes. In other words: our values. Whatever we do, wherever we are in the world, we lead the way, serve with integrity, take care of each other, foster inclusion, and collaborate for measurable impact.These five shared values lead every decision we make and action we take, guiding us to deliver impact how and where it matters most.

Connect to your opportunity

We are seeking an Associate Director, Senior Software Engineer to join our Digital Tax Solutions team ('DTS') to lead the design, development, and delivery of innovative, high quality software solutions built on the Microsoft .NET technology stack within an Agile, AI-powered engineering environment. This is a pivotal role for an experienced leader passionate about driving technical excellence, mentoring talent, and shaping the future of our digital products.

As part of this role, your key responsibilities will include:

• Owning the design of the codebase, including the software delivery lifecycle for your area. You will heavily influence the architecture, technical design, technical roadmap, and team topology for your product, ensuring alignment with broader business objectives and Deloitte standards.
• Applying hands-on expertise in C# and the modern .NET platform to design and deliver high-quality, production-grade solutions. You will be accountable for delivering large, complex features from analysis and refinement through to production delivery and ongoing support, guiding your team to surface and mitigate technical or delivery risks.
• Leading on leveraging AI for business use cases within your product. You will drive the effective adoption of AI-assisted development tools to improve the quality and efficiency of software delivery, taking full responsibility for human-in-the-loop review and ensuring the quality and integrity of AI-generated code.
• Taking responsibility for delivering software into production using modern practices such as Infrastructure as Code, continuous integration and continuous delivery. You will develop robust cloud-based solutions using major cloud providers, ensuring products are effectively supported and resilient in production environments.
• Implementing relevant Deloitte technology, operational, design, risk, and security standards, ensuring solutions are independently verified and production-ready. You will proactively monitor production environments, investigate incidents, and take appropriate action to restore service or resolve underlying issues.
• Amplifying your impact by leading and mentoring engineers, Quality Assurance specialists, delivery, and product managers within your team. You will actively contribute to recruitment, foster a culture of continuous learning, and provide guidance on breaking down complex work into deliverable user stories.
• Leading collaboration with cross-functional teams (Product Managers, Designers, Engineers, Data Scientists, Delivery Managers, Business Analysts) to clarify needs, resolve issues, manage dependencies, and communicate risks transparently. You will anticipate issues before they arise, escalate appropriately, and advocate for your team with external stakeholders.
• Actively contributing to Agile ceremonies, backlog refinement, and sprint planning. You will encourage feedback, retrospectives, and practical process improvements that strengthen team performance and product outcomes, championing quality by maintaining high standards of code quality for your team.
• Proactively engaging in broader learning and up-skilling on the latest technologies, evaluating how they can be pragmatically applied to the development lifecycle to enhance our offerings and capabilities.

Connect to your skills and professional experience

Essential

• Education: Bachelor's Degree (or equivalent) in Computer Science, Information Systems, Software Engineering, or a related discipline.
• Extensive .NET Software Engineering Experience: Significant, recent, hands
• on experience designing, developing, and delivering complex, multi-layered,
• production-grade software products using C# and the modern .NET platform.
• This should include leading full-stack .NET development and taking
• accountability for large features from analysis and technical design through to
• production delivery, operation, and support.
• Advanced Technical Proficiency: Demonstrable expertise and practical
• experience with the following:
  • C# and .NET: Practical expertise in C# and .NET, with a strong track record of building, testing, maintaining, and modernising enterprise-grade applications and services. Experience should include applying established .NET architecture, design, security, performance, and engineering practices in production environments.
  • Databases: Strong experience with SQL or NoSQL databases (e.g., SQL Server, MongoDB).
  • Front-end Technologies: Expert-level knowledge of HTML5, CSS, and a JavaScript framework, with a strong preference for Angular.
  • Cloud Services: Extensive experience with at least one major cloud platform, with a strong preference for Azure, including designing and deploying cloud-native solutions.
• : Proven ability to own and influence software architecture, technical design, and the overall software delivery lifecycle for a product area.
• Strong experience with source control (e.g., Git) and advanced DevOps tooling (e.g., Azure DevOps). Expertise in delivering and operating production software using Infrastructure as Code, containerisation, orchestration technologies, monitoring, and incident management practices.
• Experience using AI-assisted development tools responsibly, including reviewing, validating, and understanding AI-generated code, and promoting their effective adoption within a team.
• Experience leading or facilitating Agile ceremonies, refining backlogs, breaking down complex work, and producing clear, actionable user stories.
• : Demonstrable technical leadership skills, with a proven ability to mentor and develop junior and mid-level engineers, including active involvement in recruitment and performance management.
• Excellent communication and stakeholdermanagement skills, with the ability to align product, business, and engineering teams around priorities and outcomes, and effectively interact with external stakeholders.
• Strong analytical and problem-solving skills, sound judgement, and the ability to identify, communicate, and proactively manage technical or delivery risks.
• A continuous improvement mindset and experience using feedback and retrospectives to enhance engineering practices and team performance.

Desirable

• Industry-recognised IT certifications (e.g., Microsoft Certified Azure Architect, Azure Developer Associate).
• SCRUM Master or other Agile leadership certifications.
• Experience with accounting or tax technology software, or a tax/accounting qualification (e.g., ATT, AAT).
• Professional experience in other industry sectors outside of software engineering.

Connect to your business - Tax

Innovation and tax consultancy may not seem to go together, but that’s exactly what you’ll find at Deloitte. We’re constantly seeking the new and working together to push the limits of what’s possible. Discover a new kind of tax career that you can make your own.

Tax

Our comprehensive range of services encompasses everything from the completion of tax returns (corporation tax self-assessment) to complex consultancy assignments and strategic tax planning. We advise on corporate and general tax, international M&A, stamp tax, cross-border transfer pricing, reorganisations and reconstructions, and competent authority negotiations.

Personal independence

Regulation and controls are standard practice in our industry and Deloitte is no exception. These controls provide important legal protection for both you and the firm. We are subject to a number of audit regulations, one of which requires that certain colleagues abide by specific personal independence constraints (e.g., in relation to any financial interests and employment relationships). This can mean that you and your "Immediate Family Members" are not permitted to hold certain financial interests (shares, funds, bonds etc.) with audit clients of the firm, and also prohibitions on certain employment relationships (e.g., you are not permitted to hold a secondary employment role with SEC audit clients of the firm whilst being employed by the firm). The recruitment team will provide further detail as you progress through the recruitment process or you can contact the Independence team upon request.

Connect with your colleagues

“One of the most supportive teams to be a part of where you are valued and appreciated for your hard work, with plenty of opportunity to take on new challenges and progress within your career.” - Chandni, Tax & Legal

Our hybrid working policy

You’ll be based in Birmingham or London with hybrid working.

At Deloitte we understand the importance of balancing your career alongside your home life. That’s why we’ll support you to work flexibly through our hybrid working policy. Depending on the requirements of your role, you’ll have the opportunity to work in your local office, virtual collaboration spaces, client sites and remotely. You’ll get the chance to meet face to face when needed, while you collaborate and learn from colleagues, share your experiences, and build the relationships that will fuel your career and prioritise your wellbeing. Please check with your recruiter for the specific working requirements that may apply for your role.

Our commitment to you

Making an impact is more than just what we do: it’s why we’re here. So we work hard to create an environment where you can experience a purpose you believe in, the freedom to be you, and the capacity to go further than ever before.

We want you. The true you. Your own strengths, perspective and personality. So we’re nurturing a culture where everyone belongs, feels supported and heard, and is empowered to make a valuable, personal contribution. You can be sure we’ll take your wellbeing seriously, too. Because it’s only when you’re comfortable and at your best that you can make the kind of impact you, and we, live for.

Your expertise is our capability, so we’ll make sure it never stops growing. Whether it’s from the complex work you do, or the people you collaborate with, you’ll learn every day. Through world-class development, you’ll gain invaluable technical and personal skills. Whatever your level, you’ll learn how to lead.

Connect to your next step

A career at Deloitte is an opportunity to develop in any direction you choose. Join us and you’ll experience a purpose you can believe in and an impact you can see. You’ll be free to bring your true self to work every day. And you’ll never stop growing, whatever your level.

Discover more reasons to connect with us, our people and purpose-driven culture at deloitte.co.uk/careers

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