Senior Software Engineer (React.js, .NET) - OP01781

🟢 Are you in Brazil, Argentina or Colombia? Join us as we actively recruit in these locations, offering a comfortable remote environment. Submit your CV in English, and we'll get back to you!

We invite a talented and driven Senior Full-Stack Software Engineer with strong .NET and React.js skills to join our experienced, cross-functional Agile team. In this role, you’ll contribute to the modernization of a critical internal platform, transforming a complex legacy system into an efficient, scalable solution that offers improved performance and a better user experience.

🟩 What's in it for you:

• Work with a reputable SP 500 fintech company
• Modernize a critical platform with multiple dependencies, integrations, and complex logic
• Join an experienced, international team using a modern tech stack (NET 6+, React.js, TypeScript, Next.js, Docker, GCP)

✅ Is that you?

• 6+ years of experience with .NET 6+ and .NET Core development
• 2+ years of experience with JavaScript (React.js, TypeScript)
• Proven experience developing APIs with .NET 6
• Strong knowledge of SQL Server and stored procedures
• Experience writing unit tests and producing testable code
• Solid understanding of OOP principles and related concepts
• Experience building n-tier enterprise applications
• Strong technical judgment in selecting and applying languages, patterns, and libraries
• Good knowledge of Scrum methodology
• Excellent communication and teamwork skills
• Ownership, accountability, and proactive problem-solving
• Upper-Intermediate English level
• Familiarity with pre-Core .NET (ASP.NET 4.8.1, WebForms, Razor Pages, ADO.NET)
• Experience with Next.js
• Experience with Docker, GCP, AWS, and deployment processes
• Familiarity with CQRS

Desirable:

• Fintech domain experience
• Experience working in international companies
• Experience working with Copilot

🧩Key responsibilities and your contribution

In this role, you’ll help rewrite our legacy application to improve its performance and quality and introduce new features using a modern tech stack.

• Develop and maintain high-quality code for new features and improvements
• Participate in the release process to ensure smooth deployments
• Collaborate with the team to refine the technical backlog
• Conduct code reviews and provide constructive feedback
• Work with the team to resolve technical challenges and implementation issues
• Contribute ideas and suggestions to improve the overall application architecture

🎾 What's working at Dev.Pro like?

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 — ✅ Interview — ✅ Offer

Interested? Find out more:

📋How we work

💻 LinkedIn Page

📈 Our website

💻IG Page