Senior Back End Developer (C# .NET)

Location: Fully remote, based in Brazil or Colombia

Company

CI&T is a technology transformation company helping large enterprises apply AI through AI Deployment, AI-native execution, application modernization, Data & AI, Martech, and business strategy.

What you will do

• Build the back end of a proof-of-concept loan origination web application in C# using an agentic SDLC harness.
• Translate SME requirements and UX/UI designs into working software.
• Use agentic tools and delivery pipelines in day-to-day development.
• Work under the technical leadership of the Software Architect.

Requirements

• 8+ years of software engineering experience at High Senior to Staff level.
• Strong experience with C#.
• Hands-on use of agentic delivery pipelines during the last 1–2 years.
• Experience using agentic SDLC tools day to day.
• Good English.
• Based in Brazil or Colombia and available for fully remote work.

Nice to have

• Front-end experience or a full-stack profile.
• Experience in the mortgage industry.

Culture & Benefits

• Remote home-office position with collaboration through Microsoft Teams or Google Meet.
• Health and dental insurance, meal and food allowance, childcare assistance, extended paternity leave, and life insurance.
• Profit Sharing and Results Participation (PLR).
• Continuous learning through CI&T University, online learning partnerships, and a language learning platform.
• Wellness partnerships and platforms, a discount club, and pregnancy and responsible parenting support.
• Inclusion specialists, a Health and Well-being team, affinity groups, and support for obtaining an assessment and accommodations during the selection process.