Senior Software Engineer (.NET, JavaScript / TypeScript) – OP01978
Senior Software Engineer (.NET, JavaScript / TypeScript) – OP01978
🟢 Are you in Brazil or Argentina? 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 an experienced Senior Software Engineer to join our team. You’ll work across backend and frontend systems, modernizing legacy platforms and developing new full-stack features using .NET, C#, and JavaScript/TypeScript. Collaborating closely with cross-functional teams and stakeholders, you’ll help deliver high-quality software for a leading U.S. payment processing solution provider serving over 275,000 businesses.
🟩 What’s in it for you:
- Gain hands-on FinTech experience, collaborating with a leading U.S. payments company
- Modernize internal systems and build full-stack features using .NET, C#, and JavaScript/TypeScript frameworks
- Enhance your cloud expertise with GCP, AWS, or Azure, supporting future migration initiatives
✅ Is that you?
- 5+ years of commercial experience with C# and .NET (.NET / .NET Core)
- JavaScript and TypeScript experience with at least one modern framework (Angular, React.js, or Vue.js)
- Strong knowledge of SOLID principles and clean code practices
- Experience building REST APIs and distributed/microservice-based systems
- Hands-on experience with authentication and authorization
- Solid experience with SQL Server and relational databases
- Proficiency with unit testing (NUnit, xUnit)
- Hands-on cloud experience with GCP, AWS, or Azure
- Experience working in Agile environments (Scrum, Kanban)
- High level of autonomy, ownership, and accountability
- Strong communication and collaboration skills
- Upper-Intermediate English level
Desirable:
- Experience with legacy systems (classic ASP, older .NET)
- Knowledge of NoSQL databases
- Experience with Docker and CI/CD pipelines
- Integration and automation testing experience
- FinTech/payments domain experience
🧩Key responsibilities and your contribution
In this role, you’ll contribute to the evolution of our client’s internal servicing applications, developing new features and supporting both backend and frontend systems.
- Design, develop, and maintain full-stack features using .NET, C#, and JavaScript/TypeScript
- Modernize and integrate legacy systems with new platforms
- Ensure software quality through unit, integration, and automated testing
- Collaborate with cross-functional teams and stakeholders to understand requirements and design effective solutions
- Take ownership of tasks, proactively resolve technical issues, and maintain platform stability and performance
- Work with cloud environments and support future cloud migration initiatives
- Participate in Agile ceremonies, including sprint planning, refinements, and daily stand-ups
- Contribute to technical documentation and share knowledge with team members
🎾 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 — ✅ Internal interview — ✅ Client interview — ✅ Offer
Interested? Find out more: