Senior Back-End Developer (Projects)

Description

Job Summary: Fin-X is seeking an experienced developer to work in a high-impact environment, solve complex technical challenges, and improve operational efficiency in the healthcare sector. Key Highlights: 1. Real impact in the healthcare sector 2. High-impact and growth-oriented environment 3. Solving complex technical challenges **Fin\-X** is revolutionizing how hospitals, clinics, and health insurers manage their processes. Our solutions directly impact **operational efficiency, cost reduction, and improved experience for healthcare professionals and patients**. If you are an **experienced developer**, enjoy **solving complex technical challenges**, and want to work in a **high-impact and growth-oriented environment**, we want to meet you! **100% Remote Position** \| Real impact in the healthcare sector **Responsibilities and Duties** **Your day-to-day responsibilities:** * Investigate and fix **root causes** in critical modules, reducing incident recurrence. * **Plan and meet technical deadlines** for each project (milestones, change windows, releases, rollbacks). * Prepare **customer environments** (configs, access, parameters) and implement **integrations** (REST, messaging, webhooks). * Develop/adapt services and **refactor legacy systems** (.NET/C\#) with focus on performance, security, and scalability. * Write and maintain **automated tests** (unit, integration, regression) and strengthen **observability** (logs, metrics, tracing) to reduce MTTR. * Conduct rigorous **code reviews** and **reverse pair programming** to accelerate N2\. * **Prioritize** by impact/severity and **align** technical scope with business teams (Implementation/Customer Success/Sales). * Perform **clear handover to Product** when roadmap changes are required. * Participate in agile ceremonies, resolve blockers, and ensure **SLAs and delivery quality**. * Support **vendor governance** (scope, acceptance criteria, technical validation) **Requirements and Qualifications** **What we’re looking for:** * **Education:** Bachelor’s degree in IT/Computer Science or related fields (postgraduate degree is a plus). * **Experience:** 5\+ years in Back\-End **.NET (C\#)**, mission-critical systems, and legacy code; history of technical mentoring. * **Tech Stack/Practices:** * ASP.NET Core, background services/workers, legacy refactoring. * **SQL Server** (tuning, indexes, query plans). * **Integrations:** REST, messaging (e.g., Azure Service Bus/RabbitMQ), **OAuth2/OpenID**. * **Architecture:** DDD, Clean Architecture, modularization, design patterns. * **Testing:** xUnit/nUnit; integration and regression testing. * **DevOps/Cloud:** Azure DevOps, CI/CD, Azure Portal; Git (GitFlow). * Jira/Confluence; Scrum/Kanban. **Additional Information** #### **Why join Fin\-X?** **Competitive compensation** aligned with market standards. **100% remote work**, ensuring flexibility. **Structured growth plan** – biannual evaluations and promotions based on your progress. **Access to Fiibo** – exclusive benefits for your daily life. **Welhub** – a well-being platform supporting your physical and mental health. **If you seek real challenges and want to grow in a dynamic and innovative environment, apply now!** At Fin\-X, our purpose is to connect all stakeholders in the healthcare sector using creative solutions to reduce costs, increase transparency and credibility, make healthcare accessible to everyone, and positively impact people’s lives in a human-centered way. We are curious, determined, and courageous. We aren’t afraid to take risks and love proposing out-of-the-box solutions. Every day at Fin\-X is unique — we work with a wide variety of hospitals, insurers, and thousands of doctors across Brazil. We specialize in bringing innovation to the world of healthcare.