Senior Software Engineer (.NET) - OP02132

🟢 AtDev.Pro, a US-based company, we're looking for contractors to work on projects that impact millions of people around the world. But we know it’s the people behind the tech who make it all happen, and we're looking for individuals who share our values and passion for making a difference.
We truly value what makes each person unique and are building a workplace that’s inclusive, friendly, and supportive.

We invite a Senior Software Engineer with strong .NET experience to join our team and help build cutting-edge financial technology solutions for our client’s institutional partners and global users. You'll play a key role in developing scalable backend systems and decentralized financial protocols while collaborating closely with a leading U.S.-based fintech and regtech company.

🟩 What's in it for you:

• Work with a leading U.S. fintech/regtech company supporting global financial institutions
• Contribute to a modern financial platform built on an enterprise-grade .NET 8 and Azure stack
• Gain hands-on experience in a secure, high-compliance environment (PCI DSS Level 2)

✅ Is that you?

• 5+ years of experience in backend software development
• Strong experience building backend applications and web services using .NET 8 and ASP.NET Core
• Advanced proficiency in C# (up to version 12)
• Solid experience designing and developing REST APIs
• Strong understanding of microservices architectures
• Hands-on experience with SQL and relational databases
• Experience with unit and integration testing
• Experience with NServiceBus or similar messaging systems
• Good understanding of Docker and containerization concepts
• Experience participating in code reviews and maintaining high engineering standards
• Familiarity with cloud platforms, preferably Azure
• Strong troubleshooting, analytical, and problem-solving skills
• Proactive mindset with the ability to learn quickly and adapt in a fast-paced environment
• Strong communication and collaboration skills with experience working in Agile/Scrum teams
• Upper-Intermediate English level

Desirable:

• Experience with NoSQL databases
• Knowledge of Redis or other in-memory data storage solutions
• Familiarity with Azure DevOps
• Experience with logging/monitoring tools (DataDog)
• Understanding of authentication & authorization models (IdentityServer)
• Experience in the fintech domain

🧩Key responsibilities and your contribution

In this role, you'll help build and maintain scalable backend applications and web services while collaborating with cross-functional teams in a dynamic Agile environment.

• Participate in requirements analysis and Agile/Scrum team ceremonies
• Collaborate with cross-functional teams to design and deliver software solutions
• Build scalable and maintainable backend applications and services using .NET technologies
• Refactor, troubleshoot, debug, and optimize existing applications
• Contribute to system stability, performance, and ongoing improvements
• Develop and maintain technical documentation throughout the software development lifecycle
• Participate in code reviews and support engineering best practices

🎾 What's working at Dev.Pro like?

✔️ 30 paid days off per year — take them whenever you want for vacation, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and 6 paid days off per year for major family events like weddings, funerals, or the birth of a child
✔️ Partially covered health insurance after the probation, plus a wellness bonus for gym memberships, sports nutrition, and similar needs after 6 months
✔️ Grow your skills with English lessons, online training, conferences, and the option to explore new career paths

Our next steps:

✅ Submit a CV in English — ✅ Intro call with a Recruiter — ✅ Internal interview — ✅ Offer

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page