[Job- 29533] Senior .NET Developer
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- Brazil, Brasil
- Brasil
Resumo da vaga pela JobGrid
Senior .NET Developer at ciandt in Brazil, Brazil, on-site, in IT, at senior level. JobGrid normalizes the role into comparable facts, keeps the employer description separate, and sends candidates to the original public application page with non-personal referral parameters. This listing is part of JobGrid's Empregos de software engineer em páginas de empresas.
- Title and context: Senior .NET Developer at ciandt; location is Brazil, Brazil; workplace is on-site; category is IT; seniority is Senior.
- Comparable classification: JobGrid maps the role to Back End Engineer for consistent cross-posting comparison.
- Freshness: the source was posted on 2026-06-09 and last checked on 2026-06-10.
- Source boundaries: the employer text is preserved separately, and JobGrid keeps the original public application path intact.
At CI&T, we help large enterprises transform the potential of AI into real business impact with AI Deployment, AI-native execution, and tech-integrated business solutions.
With 30 years of experience in technological transformation, we accelerate innovation with expertise in Agentic SDLC, Application modernization, Data & AI, Martech and Business strategy.
We are 8,000 CI&Ters across more than 25 countries, collaborating to build solutions with real impact. AI is already part of how we work, evolve, and innovate every day.
We are looking for a Senior .NET Engineer to join our team and contribute to the development and integration of complex software solutions focused on back-end development. This role will require working closely with a multicultural team spread across Brazil, Colombia, the UK, and the USA, with all communication conducted in English.
Responsibilities:
Design, build, and maintain back-end services using C#, ADO.NET, and SQL Server.
Implement and evolve SOAP and REST APIs, ensuring best practices and versioning standards.
Ensure service reliability through unit and integration testing, troubleshooting, and root-cause analysis.
Collaborate on integration between various systems and services, applying software design patterns.
Conduct code reviews and provide mentorship to junior team members.
Stay up to date with emerging technologies and industry trends, applying them to improve existing solutions.
Contribute to CI/CD workflows and best practices to enhance development efficiency.
Required:
Strong experience with .NET Framework and .NET Core in production systems.
Solid understanding of ADO.NET and SQL Server, with experience in database design and performance tuning.
Hands-on experience with SOAP and RESTful services.
Proficiency in XML serialization/deserialization.
Strong understanding of software design patterns and best practices.
Effective communication skills and resilience in fast-paced, multicultural teams.
Advanced English proficiency.
Proactive ownership of tasks with a mindset for continuous improvement.
Strong communication skills across technical and non-technical audiences.
Collaborative team player who values shared success.
Ability to adapt to ambiguity and shifting requirements.
Nice-to-Have Skills:
Experience with cloud platforms, preferably Azure.
Familiarity with specification-driven development and agentic approaches to software development.
Exposure to Agile development methodologies.