Poland only🟢 At Dev.Pro, we 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. 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
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