Senior .NET Developer

🔥 14 hours ago

🇨🇴 Colombia – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 10%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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CI&T

WebsiteLinkedInAll Job Openings

5001 - 10000 employees

Founded 1995

💼 Consulting

🏥 Healthcare

📣 Marketing

💰 $5.5M Venture Round on 2014-04

Consulting • Healthcare • Marketing

CI&T is a global tech transformation specialist focusing on helping organizations navigate their technology journey. With services spanning from application modernization and cloud solutions to AI-driven data analytics and customer experience, CI&T empowers businesses to accelerate their growth and maximize operational efficiency. The company emphasizes digital product design, strategy consulting, and immersive experiences, ensuring a robust support system for enterprises in various industries.

📋 Description

• Design, build and maintain back-end services using C#, ADO.NET and SQL Server • Implement and evolve SOAP and REST APIs with proper versioning, security and best-practice standards • Ensure service reliability through unit and integration tests, troubleshooting, monitoring and root-cause analysis • Collaborate on integration between multiple systems and services using appropriate software design patterns • Conduct code reviews, provide technical feedback and mentor junior engineers • Stay current with emerging technologies and industry trends and apply them to improve existing solutions • Contribute to CI/CD workflows and best practices to increase development efficiency and deployment quality • Deliver reliable, performant back-end services and integrations • Collaborate across time zones and cultures using English as the primary language

🎯 Requirements

• Strong experience with .NET Framework and .NET Core in production systems • Hands-on experience building back-end services with C#, ADO.NET, and SQL Server • Solid experience implementing and evolving SOAP and RESTful services, including versioning and best practices • Strong understanding of ADO.NET, SQL Server, database design and performance tuning • Proficiency in XML serialization/deserialization • Solid grasp of software design patterns and engineering best practices • Experience with unit and integration testing, troubleshooting and root-cause analysis for service reliability • Effective communication skills in multicultural, fast-paced environments • Advanced English proficiency; all communication in English • Experience with cloud platforms, preferably Microsoft Azure • Familiarity with specification-driven development and agentic approaches to software development • Exposure to Agile methodologies such as Scrum and Kanban • Proactive ownership and continuous improvement • Ability to explain complex technical topics to technical and non-technical audiences • Collaboration in cross-functional teams • Adaptability in dynamic environments

🏖️ Benefits

• Premium Healthcare • Meal voucher • Maternity and Parental leaves • Mobile services subsidy • Sick pay-Life insurance • CI&T University • Colombian Holidays • Paid Vacations