Lead .Net Developer
full-time•São Paulo
About this role
We are seeking a Lead Developer with deep expertise in .NET, OutSystems, and Redis to lead development efforts for enterprise-grade applications. This role requires strong architecture knowledge, leadership ability, and hands-on technical skills to guide the team and deliver scalable solutions.
Responsibilities- Participate on platform trainings
- Analyze system requirements and prioritize tasks
- Write clean, testable code using .NET programming languages
- Develop technical specifications and architecture
- Test and debug various .NET applications
- Review and refactor code
- Deploy fully functional applications
- Upgrade existing programs
- Support junior developers’ work
- 6–10+ years of software development experience, including leadership or mentoring.
- Strong expertise in C#, ASP.NET Core, Web APIs, microservices.
- Willing to learn or to be training in OutSystems API development (architecture, reusable modules, performance tuning).
- Strong knowledge of Redis (replication, clustering, caching patterns, key eviction strategies).
- Strong understanding of SQL Server, stored procedures, and performance tuning.
- Experience designing distributed systems and integration patterns.
- Solid understanding of Azure services (App Services, Service Bus, API Management, Redis Cache, DevOps).
- Experience with DevOps practices, CI/CD pipelines, and Git.
- Excellent communication and leadership skills.
Nice to Have
- Experience with event-driven architecture.
- Knowledge of security standards (OAuth, JWT, Identity Provider integration).
- Exposure to containerization and Kubernetes.
- Experience working in financial/banking environments (plus).
- Your pick when it comes to employment models: CLT/PJ/Cooperativa;
- We provide resources for you to grow and learn on the job, including online courses, mentoring, and the latest gen notebooks;
- A fully remote work environment with flexible working hours;
- Bonus for any referrals that we end up hiring.
Other facts
Tech stack
C#,ASP.NET Core,Web APIs,Microservices,OutSystems,Redis,SQL Server,Azure Services,DevOps,CI/CD,Git,Event-Driven Architecture,Security Standards,Containerization,Kubernetes
About 99x Brazil (formerly Nextly)
🏆 Ranked #1 Top Software Development Company in Brazil by Clutch, 99x Americas (formerly Nextly) is a team of +60 engineers, designers, and makers who work closely with founders, CTOs, VPs of Eng, and product & eng teams at Fortune 500s, Inc 5000s, and fast-growing startups across the United States to help create, launch, and improve digital products.
About us:
- We're 5 stars rated on Clutch and Glassdoor;
- 99% of our employees or ex-employees have said they recommend Nextly;
- The team has delivered literally 100% of the projects we took in the last 10 years;
- Our engineers are all located in GMT-3, meaning we can achieve a significant overlap with PST and EST working hours;
- In our latest opening, we only made offers to 2 candidates out of +1000 sourced devs. When clients interview our candidates, they can immediately tell the jump in quality.
- We specialize in React, Typescript, React Native, Vue, Node.js, Python, AI/ML, Data Science, Django, Golang, PHP/Laravel, Java, .NET, AWS, GCP, Azure, and more. Our team is quite big so we have a wide array of talent.
If you need to scale up your engineering team, give us a shot at showcasing our skills. Reach out to learn more about us, discuss your main challenges and goals, and book a technical interview, live coding exercise, or take-home assessment with the right talent for your project.
Team size: 51-200 employees
Website: https://99x.io/americas/en
LinkedIn: Visit
Industry: Software Development
What you'll do
- The Lead .Net Developer will guide the team in developing enterprise-grade applications, ensuring clean and testable code is written. Responsibilities include analyzing system requirements, testing and debugging applications, and supporting junior developers.
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Frequently Asked Questions
What does a Lead .Net Developer do at 99x Brazil (formerly Nextly)?
As a Lead .Net Developer at 99x Brazil (formerly Nextly), you will: the Lead .Net Developer will guide the team in developing enterprise-grade applications, ensuring clean and testable code is written. Responsibilities include analyzing system requirements, testing and debugging applications, and supporting junior developers..
Why join 99x Brazil (formerly Nextly) as a Lead .Net Developer?
99x Brazil (formerly Nextly) is a leading Software Development company.
Is the Lead .Net Developer position at 99x Brazil (formerly Nextly) remote?
The Lead .Net Developer position at 99x Brazil (formerly Nextly) is based in São Paulo, São Paulo, Brazil. Contact the company through Clera for specific work arrangement details.
How do I apply for the Lead .Net Developer position at 99x Brazil (formerly Nextly)?
You can apply for the Lead .Net Developer position at 99x Brazil (formerly Nextly) directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about 99x Brazil (formerly Nextly) on their website.