Senior .Net Engineer

Job not on LinkedIn

🕒 August 4

🌐 Portugal, Brazil – Remote

🇵🇹 Portugal – Remote 🇧🇷 Brazil – Remote

⏰ Full Time

🟠 Senior

🔙 Backend Engineer

👻 Ghost score 29%

What it means: the chance that no one is really hiring for this job.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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Vigil

WebsiteLinkedInAll Job Openings

51 - 200 employees

💼 Consulting

🏥 Healthcare

📣 Marketing

Consulting • Healthcare • Marketing

Vigil is a tech consultancy company specializing in software engineering and cloud transformation. They focus on creating exceptional digital products that drive business value and are committed to innovation. Vigil values recognition, appreciation, work/life balance, and opportunities for growth, ensuring happiness and motivation for their teams. They invite clients to collaborate with them to bring projects to life.

📋 Description

• Design, develop, maintain, and enhance .NET microservices and backend APIs supporting critical payment workflows • Analyse and optimise applications for performance, scalability, and reliability • Investigate and troubleshoot production issues, identify root causes, and deliver high-quality fixes • Refactor legacy components into modern, cloud-ready services • Improve engineering standards, code quality, and best practices through code reviews • Collaborate with engineers, product managers, and QA to deliver features for millions of users • Mentor junior engineers on architecture, coding patterns, and engineering principles

🎯 Requirements

• 5+ years of experience building highly scalable, customer-facing systems using modern .NET, including C# and .NET 6/7/8 • Strong experience developing RESTful APIs and microservices using ASP.NET Core • Solid experience building and maintaining distributed services, focused on performance, resilience, and observability • Advanced proficiency in SQL Server, including complex query optimisation, stored procedures, and database schema design • Hands-on experience with Redis • Proficiency integrating internal and external REST APIs • Experience with event-driven or message-based architectures such as Kafka, SNS/SQS, or RabbitMQ • Understanding of cloud-native development, ideally with AWS services including Lambda, API Gateway, DynamoDB, SNS/SQS, and ECS/EKS • Strong experience with Git-based workflows • Understanding of secure coding, authentication/authorisation patterns, and modern internet security practices • Experience working in an Agile, cross-functional team • Strong verbal and written communication skills in English • Payment systems, PCI considerations, or high-volume transactional flows experience is nice to have • Experience with observability tools such as Grafana, Kibana, Datadog, AppDynamics, or OpenTelemetry is nice to have • Experience with CI/CD pipelines such as GitHub Actions, Jenkins, ArgoCD, Azure DevOps, or GitLab CI is nice to have • Experience optimising performance in high-traffic environments is nice to have • Ability to collaborate effectively with engineers, product managers, QA, and stakeholders • Comfortable working independently and as part of a distributed engineering team

🏖️ Benefits

• Collegial environment with shared responsibility and authority • Culture focused on learning from mistakes rather than criticising failure • Agile environment where ideas are welcome • Possibility to grow and experience different projects • Ongoing training and mentoring • Possibility of travelling

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