Senior Back End Developer (C# .NET)
Key details
- Location
- Brazil
- Work style
- Remote
- Level
- Senior
- Job type
- Full-time
- Experience
- 8–11 yrs
- Function
- Software engineering
- Focus area
- Backend
- Posted
- 14h ago
Skills
About the role
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Back End Developer (C# .NET) based in Brazil.
We are looking for an experienced Senior Back End Developer to help build a proof of concept for a next-generation loan origination platform for a major US mortgage lender. In this role, you will design and develop robust backend solutions using C# and .NET within an innovative, AI-native software delivery environment. You will translate business requirements and UX/UI designs into functional, scalable software while working alongside experienced technical leaders. A key aspect of the position is leveraging agentic AI tools and development pipelines to accelerate engineering workflows and improve delivery quality. You will contribute to demonstrating how AI-driven software development can transform the way complex applications are built. This is an exciting opportunity for a highly experienced engineer who enjoys technical challenges, autonomy, and working at the forefront of software engineering innovation.
Accountabilities
- Design, develop, and maintain the backend of a proof-of-concept web application using C# and .NET.
- Translate requirements gathered from subject matter experts (SMEs) and UX/UI designs into functional, reliable, and maintainable software.
- Work under the technical direction of the Software Architect, contributing to architectural decisions and implementation strategies.
- Use agentic Software Development Life Cycle (SDLC) tools and AI-assisted development pipelines as part of daily engineering activities.
- Apply modern development practices to accelerate implementation while maintaining code quality, reliability, and performance.
- Collaborate with technical and business stakeholders to ensure requirements are clearly understood and translated into effective backend solutions.
- Contribute to demonstrating the capabilities and practical value of AI-native software delivery within a complex financial services environment.
- At least 8 years of professional software engineering experience, operating at a High Senior to Staff Engineer level.
- Strong hands-on experience with C# and .NET backend development.
- Recent practical experience using agentic software delivery pipelines, ideally within the last 1–2 years.
- Demonstrated experience incorporating agentic SDLC tools into everyday software development workflows.
- Ability to translate business requirements and design specifications into high-quality technical implementations.
- Strong problem-solving skills, technical autonomy, and the ability to work effectively under architectural guidance.
- Good English communication skills, both written and spoken, to collaborate with international teams.
- Must be based in Brazil or Colombia and comfortable working remotely.
- Availability to participate in virtual meetings through Microsoft Teams or Google Meet.
- Frontend development experience or a broader full-stack engineering background.
- Previous experience in the mortgage industry or financial services.
- Familiarity with loan origination systems and related financial workflows.
- Fully remote work model.
- Health and dental insurance.
- Meal and food allowances.
- Childcare assistance.
- Extended paternity leave.
- Life insurance.
- Profit-sharing and annual results participation (PLR).
- Gym and wellness partnerships through Wellhub (Gympass) and TotalPass.
- Access to a continuous learning platform through CI&T University.
- Discounts through a dedicated benefits club.
- Free online resources focused on physical, mental, and overall well-being.
- Pregnancy and responsible parenting courses.
- Partnerships with online learning platforms.
- Access to language learning programs.
- Additional health, wellness, and professional development initiatives.
- Inclusive recruitment process, with dedicated support and reasonable accommodations for professionals with disabilities.
Requirements
Nice to have:
Benefits
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