Backend Engineer - Calc Team (.NET/C#)

Who we are is what we do.

Deel is the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person, team, and business. Built for the way the world works today, Deel combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll infrastructure, Deel supports every worker type in 150+ countries—helping businesses scale smarter, faster, and more compliantly.

Among the largest globally distributed companies in the world, our team of 7,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture that drives continuous learning and innovation for our customers.

Why should you be part of our success story?

As the fastest-growing Software as a Service (SaaS) company in history, Deel is transforming how global talent connects with world-class companies – breaking down borders that have traditionally limited both hiring and career opportunities. We're not just building software; we're creating the infrastructure for the future of work, enabling a more diverse and inclusive global economy. In 2024 alone, we paid $11.2 billion to workers in nearly 100 currencies and provided healthcare and benefits to workers in 109 countries—ensuring people get paid and protected, no matter where they are.

Our momentum is reflected in our achievements and customer satisfaction: CNBC Disruptor 50,  Forbes Cloud 100, Deloitte Fast 500, and repeated recognition on Y Combinator’s top companies list – all while maintaining a 4.83 average rating from 15,000 reviews across G2, Trustpilot, Captera, Apple and Google.

Your experience at Deel will be a career accelerator. At the forefront of the global work revolution, you'll tackle complex challenges that impact millions of people's working lives. With our momentum—backed by a $17.3 billion valuation and $1 B in Annual Recurring Revenue (ARR) in just over five years—you'll drive meaningful impact while building expertise that makes you a sought-after leader in the transformation of global work.

Job purpose

As a developer in the Calculations team, the primary focus is the design, maintenance and development of the various backend calculation services pertaining to legislative compliance, payroll, and HR, with a strong focus on performance optimization, throughput, and accuracy.

This involves general coding, innovative design and unit testing of the various elements that make up the PaySpace calculation services. Additionally, as a senior developer, you will bring your exceptionally strong technical understanding of how systems are built to the table.

Get ready to

• Be a part of a truly cross-functional team; Frontend, Back-End and Full-Stack Engineers, Product Teams, Designers and QA’s.
• Participate in product planning (From discovery all the way to deployment); We want your input at all stages of the Software Development Lifecycle!
• Collaborate! Our teams work together to develop robust new features, API’s, continuously improve our industry-leading products and find and fix any bugs at speed.
• Ensure our customers receive a white-glove experience with our products!
• Keep Information Security, Customer Excellence, Self-Development and Cost Savings at top of mind!
• Learn and be adaptable to new ways of working

The bits and bytes that you’ll bring to your new team

• You have expert knowledge of the latest versions of C#/.NET, .NET Core
• You’re an expert when it comes to applying SOLID Principles
• You’re a database guru! You know the ins and outs of MS-SQL
• You have a firm understanding of Azure DevOps (If you’re a fast learner, knowledge of something similar would be suitable, too!)
• You create RESTful API’s with ease
• You have worked with Dapper or a similar ORM
• You have at least 5 years of experience as a Software Engineer

You're the Engineer we're looking for if you

• Excel in the art of designing, coding, testing, and maintaining enterprise-level applications using Microsoft technologies.
• Thrive in a collaborative, remote-first work culture where teamwork, camaraderie, and being Together Everywhere are key.
• Embrace independence and take ownership of your projects, yet also excel in a team setting and love to contribute.
• Communicate complex ideas with ease and enjoy collaborating with diverse teams of technical and non-technical stakeholders.
• Are passionate about solving customer problems with your coding superpowers, and approach challenges with Default Optimism whilst maintaining a balanced perspective in all aspects of your work.
• Take a business-focused approach to software development, with a keen eye on delivering high-value outcomes for our clients.
• Embody our core value of Genuine Care, deeply understanding and addressing the impact of your work on our customers.

Extra brownie points if you

• Have experience working with multi-threaded code
• Have worked with memory caching tools, like Redis
• Have built and worked with Windows Services
• Have concurrency and Service Bus experience
• Have knowledge of the dynamic world of FinTech

Total Rewards

Our workforce deserves fair and competitive pay that meets them where they are. With scalable benefits, rewards, and perks, our total rewards programs reflect our commitment to inclusivity and access for all. 

Some things you’ll enjoy

• Stock grant opportunities dependent on your role, employment status and location
• Additional perks and benefits based on your employment status and country
• The flexibility of remote work, including optional WeWork access

At Deel, we’re an equal-opportunity employer that values diversity and positively encourage applications from suitably qualified and eligible candidates regardless of  race, religion, sex, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, pregnancy or maternity or other applicable legally protected characteristics.

Unless otherwise agreed, we will communicate with job applicants using Deel-specific emails, which include @deel.com and other acquired company emails like @payspace.com and @paygroup.com. You can view the most up-to-date job listings at Deel by visiting our careers page.

Deel is an equal-opportunity employer and is committed to cultivating a diverse and inclusive workplace that reflects different abilities, backgrounds, beliefs, experiences, identities and perspectives.

Deel will provide accommodations on request throughout the recruitment, selection and assessment process for applicants with disabilities. If you require accommodations, please inform our Talent Acquisition Team via this link and a team member will be in touch to ensure your equal participation. If you have difficulty accessing the form, please email at recruiting@deel.com.

As part of our hiring process, we primarily rely on interviews and role-related assessments. In limited cases, we may also consider informal background information relevant to the role, in line with our privacy and fairness obligations.

This application process does utilise Automated Employment Decision Tools (AEDT) and AI systems to assist in evaluating candidates based on experience level, technical skills and qualifications. As a fully remote company, we also utilise AI-powered deepfake and fraud detection technologies to verify the authenticity of candidate identities and interactions during assessments and interviews. This processing is conducted in compliance with applicable Data Protection, AI Governance and Labour Laws. We ensure human oversight is maintained in all final hiring decisions. Your personal data is not used to train AI models. For more information on how we process your personal data, please see our Privacy Policy.

• For NYC Residents: In accordance with NYC Local Law 144, an independent bias audit has been conducted on AEDT; results are available at Ashby, Covey.