Dev.Pro is hiring a

Senior Software Engineer (.NET) - OP01529-OS

Warsaw, Poland

🟒 Join Dev.Pro - a US-based outsourcing software development company that has been delivering exceptional software experience to clients since 2011.

We invite a talented, energetic, and committed Software Engineer with strong .NET expertise and experience in fiscalization to join our team. You’ll play a crucial role in developing a brand-new project within the Point of Sale domain. You’ll collaborate with the team to plan and implement the integration of large-scale products, with a focus on delivering maximum value to end users and creating new opportunities for clients.

🟩 What's in it for you:

  • Grow your POS systems expertise while working on a project with complex logic and a modern tech stack (.NET Core, .NET Framework 4.7.2, REST API, Angular v13+)
  • Gain hands-on experience with cloud platforms and services within the Azure ecosystem
  • Enjoy a collaborative partnership with a client that values and supports the team’s ideas

βœ… Is that you?

  • 5+ years of hands-on experience with .NET
  • Proficiency with Angular and TypeScript
  • Hands-on experience with REST APIs and ASP.NET MVC
  • Strong understanding of application architecture and design patterns
  • Experience working with distributed systems, availability, and deployment
  • Solid knowledge of relational databases (MS SQL and SQL/Transact-SQL)
  • Strong skills in OOP/OOD, OpenAPI Specification, and SOLID principles
  • Experience working within Azure environments
  • Experience with fiscalization processes and systems
  • Upper-Intermediate+ English level
  • Strong collaboration skills and a team-oriented mindset

Desirable:

  • Experience with Redis
  • Hands-on experience with various Azure resources (e.g., Service Bus, App Services)

🧩Key responsibilities and your contribution

In this role, you’ll help develop new features, maintain existing functionality, and work closely with the team to ensure smooth and efficient project delivery.

  • Develop new product features; support and maintain existing ones
  • Understand the business domain and contribute to requirement grooming and planning
  • Evaluate technical solutions, identify and communicate technical risks
  • Collaborate with the team on work decomposition and estimation
  • Follow the SDLC process and suggest improvements where applicable
  • Do pull requests, review code, and ensure high-quality standards are maintained
  • Support Sprint commitments and assist the team in meeting Sprint goals
  • Document technical solutions and contribute to CI/CD practices
  • Collaborate on design input with the Tech Lead and Principal Architect

🎾 What's working at Dev.Pro like?


Dev.Pro is a U.S.-based outsourcing company with an ambitious and creative mindset, delivering top-tier software products since 2011. Known for its strong human focus, Dev.Pro promotes a work environment that is fair, inclusive, open-minded, and friendly toward people of every race, religion, gender, cultural background, and marital or parental status. By joining Dev.Pro, you'll experience what it's like to grow with professionals who support your journey.

πŸŒ΄πŸ„πŸ» Maintain a healthy work-life balance with 30 paid rest days per year to use as holidays, vacations, or personal time on the dates you choose and request in advance
🌐🩺 Secure your health: All Dev.Pro contractors can apply for health insurance on a reimbursement basis after completing their probation period
πŸ’΅πŸ’° Ensure your compensation matches your efforts: We provide payments in U.S. dollars and cover any overtime hours
πŸŒ΄πŸ›Œ Take care of yourself with 5 additional paid sick leave days per calendar year β€” no medical certificate required
πŸ€πŸ“‹ Get the support you need: Access a dedicated HR team for organizational consultations.

Our next steps:

βœ… Submit a CV in English β€” βœ… Intro call with a Recruiter β€” βœ… Internal interview β€” βœ… Client interview β€” βœ… Offer

Interested? Find out more:

πŸ“‹How we work

πŸ’» LinkedIn Page

πŸ“ˆ Our website

πŸ’»IG Page

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