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Senior / Principal Software Engineer (React, .NET) – OP01999

  • .NET
  • Principal
  • React
  • Senior
  • Software Engineer

Senior / Principal Software Engineer (React, .NET) – OP01999

🟢 We’re expanding our team and opening new remote opportunities! Review the role expectations, share your resume in English, and our team will follow up shortly.

We invite a Senior Software Engineer with strong frontend expertise in React.js and some hands-on experience with C#/.NET to join our team. In this role, you’ll help build and evolve an on-demand client onboarding tool that allows merchants to sign up for and configure products through digital forms. You’ll focus primarily on frontend development within a full-stack environment, contributing to the modernization and internationalization of a legacy system.

🟩 What’s in it for you:

  • Work with a Fortune 500 company with a worldwide presence and millions of customers
  • Help transform a legacy onboarding flow into a modern, self-service experience
  • Collaborate closely with US-based senior developers and core engineers in a tight-knit, highly experienced team

Is that you?

  • 7+ years as a Software Engineer, including 3+ years with React.js (preferably v18+)
  • Proficiency in TypeScript/JavaScript
  • Material-UI (MUI v5) expertise
  • Frontend feature development on legacy codebases
  • REST API integration and troubleshooting experience
  • State management skills (Context API, React Query)
  • Experience with modern build tools (Vite, Babel)
  • Unit testing experience (Jest, React Testing Library for frontend; NUnit for backend)
  • Git version control
  • CI/CD knowledge with Azure DevOps
  • Experience with Terraform for infrastructure as code
  • Experience with Azure cloud services (App Service, Functions, Service Bus, SQL Database, Application Insights)
  • Familiarity with security best practices (XSS, CSRF prevention)
  • Form validation and user input handling experience
  • Willingness to learn and work with C#/.NET
  • Clear, proactive communication and effective collaboration across teams
  • Scrum framework experience, including participation in Agile ceremonies
  • Upper-Intermediate+ English level for daily interaction with US-based teams
  • Flexibility, high visibility, and proactive communication on progress, challenges, and blockers
  • Strong ownership, accountability, and independent execution

Desirable:

  • Backend development experience with C#/.NET Core (preferably .NET 6+)
  • Knowledge of Entity Framework Core and database design
  • REST API development and design experience
  • Docker containerization skills
  • Experience with Snowflake
  • Familiarity with alternative cloud providers (AWS, GCP)
  • Experience working with US-based companies and clients

🧩Key responsibilities and your contribution

In this role, you’ll design and build frontend features, integrate with backend APIs, and collaborate across teams to modernize and maintain a legacy platform.

  • Develop frontend features that consume APIs from a partner team
  • Balance delivery needs with refactoring and maintenance of legacy code
  • Modernize the system to support internationalization
  • Perform occasional infrastructure and DevOps tasks, including managing Azure DevOps pipelines
  • Collaborate daily with US-based team members
  • Participate in Scrum ceremonies and Agile processes

🎾What’s it like working at Dev.Pro?

Dev.Pro is a global company that’s been building great software since 2011. Our team values fairness, high standards, openness, and inclusivity for everyone — no matter your background

🌐 We are 99.9% remote — you can work from anywhere in the world
🌴 Get 30 paid days off per year to use however you like — vacations, holidays, or personal time
✔️ 5 paid sick days, up to 60 days of medical leave, and up to 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
💵 We pay in U.S. dollars and cover all approved overtime
📓 Join English lessons and Dev.Pro University programs, and take part in fun online activities and team-building events

Our next steps:

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

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page

Apply: