Back-End .NET Developer – PL/SR

Job not on LinkedIn

🕒 February 4

🇧🇷 Brazil – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 46%

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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Keyrus

WebsiteLinkedInAll Job Openings

1001 - 5000 employees

Founded 1996

🤝 B2B

💼 Consulting

B2B • Data Analytics • Consulting

Keyrus is an international company passionate about leveraging data to make impactful changes in life, society, and the future. With a presence in 18 countries, Keyrus is dedicated to creating meaningful careers for its employees by fostering excellence, trust, creativity, kindness, and fun. Specializing in data analytics, data advisory, and management, Keyrus provides vendor-agnostic solutions and continuous training opportunities through its KLX platform. The company also emphasizes a healthy work-life balance with a range of benefits, including sports events, healthcare plans, and an inclusive work culture. Keyrus is committed to openness and transparency to maintain positive workplace relationships and is driven to innovate and influence the digital future.

📋 Description

• Develop, evolve and maintain backend applications in .NET (C#) with a focus on performance, scalability and quality • Work on microservices architecture, participating in technical decisions and solution design (preferably Hexagonal) • Implement and consume RESTful APIs, ensuring best practices, versioning and security • Work with messaging systems (Kafka and RabbitMQ) for integration between systems • Write and maintain unit tests and support automated testing strategies • Operate in AWS Cloud environments, using managed services as required by the project • Contribute to CI/CD pipelines, deployment automation and DevOps best practices • Work in agile teams (Scrum/Kanban), collaborating closely with developers, QA, product and architecture • Support monitoring, observability and application optimization initiatives • Contribute to the migration and evolution of critical systems, such as card platforms and financial products, when applicable

🎯 Requirements

• Strong experience with C# and .NET (preferably .NET 8) • Solid knowledge of microservices architecture • Experience with distributed messaging (Kafka and RabbitMQ) • Strong expertise in developing REST APIs and JSON • Experience with SQL and NoSQL databases (DynamoDB) • Knowledge of containerization (Docker, Kubernetes or similar) • Experience with version control Git (GitHub and/or Azure DevOps) • Experience with CI/CD and DevOps practices • Knowledge of AWS (core services) • Practice with unit testing (xUnit) • Strong knowledge of SOLID, Clean Code and Design Patterns • Experience in agile environments • Proactive, collaborative and communicative profile • Experience with financial products (cards, PIX, TED, TEF, acquiring/issuing) (Plus)

🏖️ Benefits

• Culture of equality • Opportunities for professional development • Remote work