[Job - 30605] Senior Developer (.NET), Brazil

Visa Hunt; Brasil; Presencial; BRL 180 000 - 280 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Health and dental insurance

Meal and food allowance

Childcare assistance

Extended paternity leave

Life insurance

CI&T University - continuous learning

Resumo da oferta

CI&T is seeking a Senior .NET Engineer to join our Brazil-based team and collaborate across Brazil, Colombia, the UK, and the USA. You will design, build, and maintain robust back-end services using C#, ADO.NET, and SQL Server while shaping SOAP and REST APIs and contributing to CI/CD practices.

Strong English communication and design-pattern expertise are essential. You will mentor juniors, perform code reviews, and stay current with technology trends to deliver reliable, scalable solutions

Qualificações

• Extensive experience with .NET Framework and .NET Core in production systems.
• Solid understanding of ADO.NET and SQL Server, including DB design and performance tuning.
• Proficient in developing SOAP and RESTful services, including XML serialization/deserialization.
• Strong grasp of software design patterns and best practices.
• Effective communicator in fast-paced, multicultural teams.
• Advanced English proficiency is a must.

Responsabilidades

• Design & Build: Develop and maintain back-end services using C#, ADO.NET, and SQL Server.
• API Development: Create and enhance SOAP and REST APIs, ensuring adherence to best practices and versioning standards.
• Service Reliability: Guarantee reliability through unit and integration testing, troubleshooting, and root-cause analysis.
• Collaborative Integration: Integrate various systems and services using solid software design patterns.
• Mentorship & Code Reviews: Conduct code reviews and mentor junior team members.
• Stay Current: Keep up with emerging technologies and industry trends to improve solutions.
• CI/CD Contribution: Participate in CI/CD workflows to enhance development efficiency.

Conhecimentos

NET Framework

NET Core

ADO.NET

SQL Server

SOAP/REST APIs

Design Patterns

English communication

Ferramentas

Azure

Descrição da oferta de emprego

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.

Join Us as a Senior .NET Engineer!

Are you ready to step into an exciting role where your back-end development skills will shine? We’re seeking a Senior .NET Engineer to become a vital part of our dynamic team, working collaboratively across Brazil, Colombia, the UK, and the USA—all while communicating in English!

What You’ll Do:

• Design & Build: Develop and maintain back-end services using C#, ADO.NET, and SQL Server.
• API Development: Create and enhance SOAP and REST APIs, ensuring adherence to best practices and versioning standards.
• Service Reliability: Guarantee the reliability of our services through comprehensive unit and integration testing, troubleshooting, and root-cause analysis.
• Collaborative Integration: Work on integrating various systems and services while utilizing effective software design patterns.
• Mentorship & Code Reviews: Conduct code reviews and mentor junior team members, sharing your expertise and insights.
• Stay Current: Keep up with emerging technologies and industry trends to continuously improve our solutions.
• CI/CD Contribution: Play an integral role in our CI/CD workflows, enhancing our development efficiency.

What We’re Looking For:

• Experience: Strong experience with .NET Framework and .NET Core in production systems.
• Database Skills: Solid understanding of ADO.NET and SQL Server, with hands‑on experience in database design and performance tuning.
• API Knowledge: Proficient in developing SOAP and RESTful services, including XML serialization/deserialization.
• Design Patterns: Strong grasp of software design patterns and best practices.
• Communication Skills: Effective communicator who thrives in fast‑paced, multicultural teams.
• Language Proficiency: Advanced English proficiency is a must.

Soft Skills That Matter:

• Proactive Mindset: Take ownership of tasks with a focus on continuous improvement.
• Collaboration: Strong communication skills across both technical and non-technical audiences.
• Team Spirit: A collaborative team player who values shared success.
• Adaptability: Ability to navigate ambiguity and shifting requirements with ease.

Nice-to-Have Skills:

• Experience with cloud platforms, preferably Azure.
• Familiarity with specification-driven development and agentic approaches.
• Exposure to Agile development methodologies.

Our benefits:

• -Health and dental insurance
• -Meal and food allowance
• -Childcare assistance
• -Extended paternity leave
• -Partnership with gyms and health and wellness professionals via Wellhub (Gympass) TotalPass;
• -Profit Sharing and Results Participation (PLR);
• -Life insurance
• -Continuous learning platform (CI&T University);
• -Discount club
• -Free online platform dedicated to physical, mental, and overall well-being
• -Pregnancy and responsible parenting course
• -Partnerships with online learning platforms
• -Language learning platform
• And many more!
• More details about our benefits here:

At CI&T, inclusion starts at the first contact. If you are a person with a disability, it is important to present your assessment during the selection process. See which data needs to be included in the report by clicking here. This way, we can ensure the support and accommodations that you deserve. If you do not yet have the assessment, don't worry: we can support you in obtaining it.

We have a dedicated Health and Well-being team, inclusion specialists, and affinity groups who will be with you at every stage. Count on us to make this journey side by side.