Senior, Backend Software Engineering - Tax Transformation

Deloitte France; United States; Hybrid; USD 96,000 - 195,000; Full time

Job summary

Deloitte Tax LLP’s Tax Transformation Office in the United States seeks a Senior Software Back End Engineer to design, develop, test, deploy, and support custom applications that meet business needs.

You will collaborate with US colleagues and vendors, write scalable C# code, work in agile teams, and participate in deployments with the infra group. Hybrid work, travel up to 25%, and a focus on transforming tax technology.

Qualifications

• Bachelor's degree in computer science or related discipline.
• 3+ years hands-on experience with C#, SQL Server, OOP concepts, and microservices architecture.
• Experience with .NET Core, ASP.NET Core Web API, SQL, NoSQL, EF6+, and Azure.
• Willingness to travel up to 25% and operate in a hybrid work model.

Responsibilities

• Participate in requirements analysis.
• Collaborate with US colleagues and Vendors’ teams to produce software design and architecture.
• Write clean, scalable code using C# and .NET languages.
• Test and deploy applications and systems.
• Refactor and debug code to improve quality.
• Develop, support, and maintain applications and technology solutions.
• Ensure development meets scope, functionality, and standards.

Skills

C#

SQL Server

OOPS concepts

Microservices

Education

Bachelor’s degree in computer science

Tools

.NET Core

ASP.NET Core Web API

SQL

NoSQL

Entity Framework

Azure

Design Patterns

Agile

Job description

If you are a technology visionary with a passion for transforming global tax business with digital technology, consider working with the US Tax Transformation technology team. This is an exciting opportunity to support global execution of Deloitte’s tax strategy as we shift from “doing digital” to “being digital” by reimagining how we engage with our clients, deliver our services, operate our business, and create value.

Recruiting for this role ends on May 31, 2027.

If you are a technology visionary with a passion for transforming global tax business with digital technology, consider working with the US Tax Transformation technology team. This is an exciting opportunity to support global execution of Deloitte’s tax strategy as we shift from “doing digital” to “being digital” by reimagining how we engage with our clients, deliver our services, operate our business, and create value.

What You’ll Do

As a Deloitte Senior Software Back End Engineer, you will be responsible for design, development, debugging, testing, deploying, and supporting custom applications and modules that meet business requirements.

Responsibilities

• Participate in requirements analysis.
• Collaborate with US colleagues and Vendors’ teams to produce software design and architecture.
• Write clean, scalable code using .NET programming languages.
• Test and deploy applications and systems.
• Revise, update, refactor and debug code.
• Develop, support, and maintain applications and technology solutions.
• Ensure that all development efforts meet or exceed client expectations. Applications should meet requirements of scope, functionality, and time and adhere to all defined and agreed upon standards.
• Become familiar with all development tools, testing tools, methodologies, and processes.
• Become familiar with the project management methodology and processes.
• Encourage collaborative efforts and camaraderie with on-shore and off-shore team members.
• Demonstrate a strong working understanding of the industry best standards in software development and version controlling.
• Ensure the quality and low bug rates of code released into production.
• Work on agile projects, participate in daily SCRUM calls and provide task updates.
• Working with infra team for deployment activities and any other infra support.
• Analyze and respond to any Prod issues reported.

The Team

Deloitte Tax LLP's Tax Transformation Office (TTO) is responsible for the design, development, and deployment of innovative, enterprise technology, tools, and standard processes to support the delivery of tax services. The TTO team focuses on enhancing Deloitte Tax LLP’s ability to deliver comprehensive, value-added, and efficient tax services to our clients. It is a dynamic team with professionals of varying backgrounds from tax technical, technology development, change management, Six Sigma, and project management. The team consults and executes on a wide range of initiatives involving process and tool development and implementation including training development, engagement management, tool design, and implementation.

Qualifications

Required

• Ability to perform job responsibilities within a hybrid work model that requires US Tax professionals to co-locate in person 2 – 3 days per week
• Bachelor’s degree in computer science or a relevant discipline
• 3+ years of strong hands‑on experience on C#, SQL Server, OOPS Concepts, Micro Services Architecture.
• At least one-year hands‑on experience on .NET Core, ASP.NET Core Web API, SQL, NoSQL, Entity Framework 6 or above, Azure, Database performance tuning, Applying Design Patterns, Agile.
• Ability to travel up to 25%, on average, based on the work you do and the clients and industries/sectors you serve.
• One of the following active accreditations obtained, in process, or willing and able to obtain:
  • Licensed CPA in state of practice/primary office if eligible to sit for the CPA
  • If not CPA eligible:
    • Licensed Attorney
    • Enrolled Agent
    • Technology Certifications:
      • AWS Certified Solutions Architect
      • Certified Scrum Developer (CSD)
      • Certified Secure Software Lifecycle Professional (CSSLP)
      • ISTQB (International Software Testing Qualifications Board)
      • Microsoft Azure

Preferred

• Knowledge on Angular, Mongo DB, NPM and Azure Devops Build/Release configuration.
• Self-starter with solid analytical and problem-solving skills.
• Skill for writing reusable libraries.
• Excellent troubleshooting and communication skills.

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $95,550 to $195,250.

You may also be eligible to participate in a discretionary annual incentive program, subject to the rules governing the program, whereby an award, if any, depends on various factors, including, without limitation, individual and organizational performance.